--- /dev/null
+##===- lib/Target/X86/Makefile -----------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+LEVEL = ../../../..
+LIBRARYNAME = LLVMX86AsmPrinter
+
+# Hack: we need to include 'main' x86 target directory to grab private headers
+CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
+
+include $(LEVEL)/Makefile.common
--- /dev/null
+//===-- X86ATTAsmPrinter.cpp - Convert X86 LLVM code to AT&T assembly -----===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains a printer that converts from our internal representation
+// of machine-dependent LLVM code to AT&T format assembly
+// language. This printer is the output mechanism used by `llc'.
+//
+//===----------------------------------------------------------------------===//
+
+#define DEBUG_TYPE "asm-printer"
+#include "X86ATTAsmPrinter.h"
+#include "X86.h"
+#include "X86COFF.h"
+#include "X86MachineFunctionInfo.h"
+#include "X86TargetMachine.h"
+#include "X86TargetAsmInfo.h"
+#include "llvm/CallingConv.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Module.h"
+#include "llvm/Type.h"
+#include "llvm/ADT/Statistic.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/Support/Mangler.h"
+#include "llvm/Target/TargetAsmInfo.h"
+#include "llvm/Target/TargetOptions.h"
+using namespace llvm;
+
+STATISTIC(EmittedInsts, "Number of machine instrs printed");
+
+static std::string getPICLabelString(unsigned FnNum,
+ const TargetAsmInfo *TAI,
+ const X86Subtarget* Subtarget) {
+ std::string label;
+ if (Subtarget->isTargetDarwin())
+ label = "\"L" + utostr_32(FnNum) + "$pb\"";
+ else if (Subtarget->isTargetELF())
+ label = ".Lllvm$" + utostr_32(FnNum) + "." "$piclabel";
+ else
+ assert(0 && "Don't know how to print PIC label!\n");
+
+ return label;
+}
+
+static X86MachineFunctionInfo calculateFunctionInfo(const Function *F,
+ const TargetData *TD) {
+ X86MachineFunctionInfo Info;
+ uint64_t Size = 0;
+
+ switch (F->getCallingConv()) {
+ case CallingConv::X86_StdCall:
+ Info.setDecorationStyle(StdCall);
+ break;
+ case CallingConv::X86_FastCall:
+ Info.setDecorationStyle(FastCall);
+ break;
+ default:
+ return Info;
+ }
+
+ unsigned argNum = 1;
+ for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
+ AI != AE; ++AI, ++argNum) {
+ const Type* Ty = AI->getType();
+
+ // 'Dereference' type in case of byval parameter attribute
+ if (F->paramHasAttr(argNum, ParamAttr::ByVal))
+ Ty = cast<PointerType>(Ty)->getElementType();
+
+ // Size should be aligned to DWORD boundary
+ Size += ((TD->getABITypeSize(Ty) + 3)/4)*4;
+ }
+
+ // We're not supporting tooooo huge arguments :)
+ Info.setBytesToPopOnReturn((unsigned int)Size);
+ return Info;
+}
+
+/// PrintUnmangledNameSafely - Print out the printable characters in the name.
+/// Don't print things like \n or \0.
+static void PrintUnmangledNameSafely(const Value *V, std::ostream &OS) {
+ for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
+ Name != E; ++Name)
+ if (isprint(*Name))
+ OS << *Name;
+}
+
+/// decorateName - Query FunctionInfoMap and use this information for various
+/// name decoration.
+void X86ATTAsmPrinter::decorateName(std::string &Name,
+ const GlobalValue *GV) {
+ const Function *F = dyn_cast<Function>(GV);
+ if (!F) return;
+
+ // We don't want to decorate non-stdcall or non-fastcall functions right now
+ unsigned CC = F->getCallingConv();
+ if (CC != CallingConv::X86_StdCall && CC != CallingConv::X86_FastCall)
+ return;
+
+ // Decorate names only when we're targeting Cygwin/Mingw32 targets
+ if (!Subtarget->isTargetCygMing())
+ return;
+
+ FMFInfoMap::const_iterator info_item = FunctionInfoMap.find(F);
+
+ const X86MachineFunctionInfo *Info;
+ if (info_item == FunctionInfoMap.end()) {
+ // Calculate apropriate function info and populate map
+ FunctionInfoMap[F] = calculateFunctionInfo(F, TM.getTargetData());
+ Info = &FunctionInfoMap[F];
+ } else {
+ Info = &info_item->second;
+ }
+
+ const FunctionType *FT = F->getFunctionType();
+ switch (Info->getDecorationStyle()) {
+ case None:
+ break;
+ case StdCall:
+ // "Pure" variadic functions do not receive @0 suffix.
+ if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
+ (FT->getNumParams() == 1 && F->hasStructRetAttr()))
+ Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
+ break;
+ case FastCall:
+ // "Pure" variadic functions do not receive @0 suffix.
+ if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
+ (FT->getNumParams() == 1 && F->hasStructRetAttr()))
+ Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
+
+ if (Name[0] == '_') {
+ Name[0] = '@';
+ } else {
+ Name = '@' + Name;
+ }
+ break;
+ default:
+ assert(0 && "Unsupported DecorationStyle");
+ }
+}
+
+// Substitute old hook with new one temporary
+std::string X86ATTAsmPrinter::getSectionForFunction(const Function &F) const {
+ return TAI->SectionForGlobal(&F);
+}
+
+void X86ATTAsmPrinter::emitFunctionHeader(const MachineFunction &MF) {
+ const Function *F = MF.getFunction();
+ std::string SectionName = TAI->SectionForGlobal(F);
+
+ decorateName(CurrentFnName, F);
+
+ SwitchToTextSection(SectionName.c_str());
+
+ unsigned FnAlign = OptimizeForSize ? 1 : 4;
+ switch (F->getLinkage()) {
+ default: assert(0 && "Unknown linkage type!");
+ case Function::InternalLinkage: // Symbols default to internal.
+ EmitAlignment(FnAlign, F);
+ break;
+ case Function::DLLExportLinkage:
+ case Function::ExternalLinkage:
+ EmitAlignment(FnAlign, F);
+ O << "\t.globl\t" << CurrentFnName << '\n';
+ break;
+ case Function::LinkOnceLinkage:
+ case Function::WeakLinkage:
+ EmitAlignment(FnAlign, F);
+ if (Subtarget->isTargetDarwin()) {
+ O << "\t.globl\t" << CurrentFnName << '\n';
+ O << TAI->getWeakDefDirective() << CurrentFnName << '\n';
+ } else if (Subtarget->isTargetCygMing()) {
+ O << "\t.globl\t" << CurrentFnName << "\n"
+ "\t.linkonce discard\n";
+ } else {
+ O << "\t.weak\t" << CurrentFnName << '\n';
+ }
+ break;
+ }
+
+ printVisibility(CurrentFnName, F->getVisibility());
+
+ if (Subtarget->isTargetELF())
+ O << "\t.type\t" << CurrentFnName << ",@function\n";
+ else if (Subtarget->isTargetCygMing()) {
+ O << "\t.def\t " << CurrentFnName
+ << ";\t.scl\t" <<
+ (F->getLinkage() == Function::InternalLinkage ? COFF::C_STAT : COFF::C_EXT)
+ << ";\t.type\t" << (COFF::DT_FCN << COFF::N_BTSHFT)
+ << ";\t.endef\n";
+ }
+
+ O << CurrentFnName << ":\n";
+ // Add some workaround for linkonce linkage on Cygwin\MinGW
+ if (Subtarget->isTargetCygMing() &&
+ (F->getLinkage() == Function::LinkOnceLinkage ||
+ F->getLinkage() == Function::WeakLinkage))
+ O << "Lllvm$workaround$fake$stub$" << CurrentFnName << ":\n";
+}
+
+/// runOnMachineFunction - This uses the printMachineInstruction()
+/// method to print assembly for each instruction.
+///
+bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
+ const Function *F = MF.getFunction();
+ unsigned CC = F->getCallingConv();
+
+ SetupMachineFunction(MF);
+ O << "\n\n";
+
+ // Populate function information map. Actually, We don't want to populate
+ // non-stdcall or non-fastcall functions' information right now.
+ if (CC == CallingConv::X86_StdCall || CC == CallingConv::X86_FastCall)
+ FunctionInfoMap[F] = *MF.getInfo<X86MachineFunctionInfo>();
+
+ // Print out constants referenced by the function
+ EmitConstantPool(MF.getConstantPool());
+
+ if (F->hasDLLExportLinkage())
+ DLLExportedFns.insert(Mang->makeNameProper(F->getName(), ""));
+
+ // Print the 'header' of function
+ emitFunctionHeader(MF);
+
+ // Emit pre-function debug and/or EH information.
+ if (TAI->doesSupportDebugInformation() || TAI->doesSupportExceptionHandling())
+ DW.BeginFunction(&MF);
+
+ // Print out code for the function.
+ bool hasAnyRealCode = false;
+ for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
+ I != E; ++I) {
+ // Print a label for the basic block.
+ if (!I->pred_empty()) {
+ printBasicBlockLabel(I, true, true);
+ O << '\n';
+ }
+ for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
+ II != IE; ++II) {
+ // Print the assembly for the instruction.
+ if (!II->isLabel())
+ hasAnyRealCode = true;
+ printMachineInstruction(II);
+ }
+ }
+
+ if (Subtarget->isTargetDarwin() && !hasAnyRealCode) {
+ // If the function is empty, then we need to emit *something*. Otherwise,
+ // the function's label might be associated with something that it wasn't
+ // meant to be associated with. We emit a noop in this situation.
+ // We are assuming inline asms are code.
+ O << "\tnop\n";
+ }
+
+ if (TAI->hasDotTypeDotSizeDirective())
+ O << "\t.size\t" << CurrentFnName << ", .-" << CurrentFnName << '\n';
+
+ // Emit post-function debug information.
+ if (TAI->doesSupportDebugInformation())
+ DW.EndFunction();
+
+ // Print out jump tables referenced by the function.
+ EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
+
+ // We didn't modify anything.
+ return false;
+}
+
+static inline bool shouldPrintGOT(TargetMachine &TM, const X86Subtarget* ST) {
+ return ST->isPICStyleGOT() && TM.getRelocationModel() == Reloc::PIC_;
+}
+
+static inline bool shouldPrintPLT(TargetMachine &TM, const X86Subtarget* ST) {
+ return ST->isTargetELF() && TM.getRelocationModel() == Reloc::PIC_ &&
+ (ST->isPICStyleRIPRel() || ST->isPICStyleGOT());
+}
+
+static inline bool shouldPrintStub(TargetMachine &TM, const X86Subtarget* ST) {
+ return ST->isPICStyleStub() && TM.getRelocationModel() != Reloc::Static;
+}
+
+void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
+ const char *Modifier, bool NotRIPRel) {
+ const MachineOperand &MO = MI->getOperand(OpNo);
+ switch (MO.getType()) {
+ case MachineOperand::MO_Register: {
+ assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
+ "Virtual registers should not make it this far!");
+ O << '%';
+ unsigned Reg = MO.getReg();
+ if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
+ MVT VT = (strcmp(Modifier+6,"64") == 0) ?
+ MVT::i64 : ((strcmp(Modifier+6, "32") == 0) ? MVT::i32 :
+ ((strcmp(Modifier+6,"16") == 0) ? MVT::i16 : MVT::i8));
+ Reg = getX86SubSuperRegister(Reg, VT);
+ }
+ O << TRI->getAsmName(Reg);
+ return;
+ }
+
+ case MachineOperand::MO_Immediate:
+ if (!Modifier ||
+ (strcmp(Modifier, "debug") && strcmp(Modifier, "mem")))
+ O << '$';
+ O << MO.getImm();
+ return;
+ case MachineOperand::MO_MachineBasicBlock:
+ printBasicBlockLabel(MO.getMBB());
+ return;
+ case MachineOperand::MO_JumpTableIndex: {
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ if (!isMemOp) O << '$';
+ O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() << '_'
+ << MO.getIndex();
+
+ if (TM.getRelocationModel() == Reloc::PIC_) {
+ if (Subtarget->isPICStyleStub())
+ O << "-\"" << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
+ << "$pb\"";
+ else if (Subtarget->isPICStyleGOT())
+ O << "@GOTOFF";
+ }
+
+ if (isMemOp && Subtarget->isPICStyleRIPRel() && !NotRIPRel)
+ O << "(%rip)";
+ return;
+ }
+ case MachineOperand::MO_ConstantPoolIndex: {
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ if (!isMemOp) O << '$';
+ O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
+ << MO.getIndex();
+
+ if (TM.getRelocationModel() == Reloc::PIC_) {
+ if (Subtarget->isPICStyleStub())
+ O << "-\"" << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
+ << "$pb\"";
+ else if (Subtarget->isPICStyleGOT())
+ O << "@GOTOFF";
+ }
+
+ int Offset = MO.getOffset();
+ if (Offset > 0)
+ O << '+' << Offset;
+ else if (Offset < 0)
+ O << Offset;
+
+ if (isMemOp && Subtarget->isPICStyleRIPRel() && !NotRIPRel)
+ O << "(%rip)";
+ return;
+ }
+ case MachineOperand::MO_GlobalAddress: {
+ bool isCallOp = Modifier && !strcmp(Modifier, "call");
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ bool needCloseParen = false;
+
+ const GlobalValue *GV = MO.getGlobal();
+ const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV);
+ if (!GVar) {
+ // If GV is an alias then use the aliasee for determining
+ // thread-localness.
+ if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV))
+ GVar = dyn_cast_or_null<GlobalVariable>(GA->resolveAliasedGlobal());
+ }
+
+ bool isThreadLocal = GVar && GVar->isThreadLocal();
+
+ std::string Name = Mang->getValueName(GV);
+ decorateName(Name, GV);
+
+ if (!isMemOp && !isCallOp)
+ O << '$';
+ else if (Name[0] == '$') {
+ // The name begins with a dollar-sign. In order to avoid having it look
+ // like an integer immediate to the assembler, enclose it in parens.
+ O << '(';
+ needCloseParen = true;
+ }
+
+ if (shouldPrintStub(TM, Subtarget)) {
+ // Link-once, declaration, or Weakly-linked global variables need
+ // non-lazily-resolved stubs
+ if (GV->isDeclaration() || GV->isWeakForLinker()) {
+ // Dynamically-resolved functions need a stub for the function.
+ if (isCallOp && isa<Function>(GV)) {
+ FnStubs.insert(Name);
+ printSuffixedName(Name, "$stub");
+ } else {
+ GVStubs.insert(Name);
+ printSuffixedName(Name, "$non_lazy_ptr");
+ }
+ } else {
+ if (GV->hasDLLImportLinkage())
+ O << "__imp_";
+ O << Name;
+ }
+
+ if (!isCallOp && TM.getRelocationModel() == Reloc::PIC_)
+ O << '-' << getPICLabelString(getFunctionNumber(), TAI, Subtarget);
+ } else {
+ if (GV->hasDLLImportLinkage()) {
+ O << "__imp_";
+ }
+ O << Name;
+
+ if (isCallOp) {
+ if (shouldPrintPLT(TM, Subtarget)) {
+ // Assemble call via PLT for externally visible symbols
+ if (!GV->hasHiddenVisibility() && !GV->hasProtectedVisibility() &&
+ !GV->hasInternalLinkage())
+ O << "@PLT";
+ }
+ if (Subtarget->isTargetCygMing() && GV->isDeclaration())
+ // Save function name for later type emission
+ FnStubs.insert(Name);
+ }
+ }
+
+ if (GV->hasExternalWeakLinkage())
+ ExtWeakSymbols.insert(GV);
+
+ int Offset = MO.getOffset();
+ if (Offset > 0)
+ O << '+' << Offset;
+ else if (Offset < 0)
+ O << Offset;
+
+ if (isThreadLocal) {
+ if (TM.getRelocationModel() == Reloc::PIC_ || Subtarget->is64Bit())
+ O << "@TLSGD"; // general dynamic TLS model
+ else
+ if (GV->isDeclaration())
+ O << "@INDNTPOFF"; // initial exec TLS model
+ else
+ O << "@NTPOFF"; // local exec TLS model
+ } else if (isMemOp) {
+ if (shouldPrintGOT(TM, Subtarget)) {
+ if (Subtarget->GVRequiresExtraLoad(GV, TM, false))
+ O << "@GOT";
+ else
+ O << "@GOTOFF";
+ } else if (Subtarget->isPICStyleRIPRel() && !NotRIPRel &&
+ TM.getRelocationModel() != Reloc::Static) {
+ if (Subtarget->GVRequiresExtraLoad(GV, TM, false))
+ O << "@GOTPCREL";
+
+ if (needCloseParen) {
+ needCloseParen = false;
+ O << ')';
+ }
+
+ // Use rip when possible to reduce code size, except when
+ // index or base register are also part of the address. e.g.
+ // foo(%rip)(%rcx,%rax,4) is not legal
+ O << "(%rip)";
+ }
+ }
+
+ if (needCloseParen)
+ O << ')';
+
+ return;
+ }
+ case MachineOperand::MO_ExternalSymbol: {
+ bool isCallOp = Modifier && !strcmp(Modifier, "call");
+ bool needCloseParen = false;
+ std::string Name(TAI->getGlobalPrefix());
+ Name += MO.getSymbolName();
+ if (isCallOp && shouldPrintStub(TM, Subtarget)) {
+ FnStubs.insert(Name);
+ printSuffixedName(Name, "$stub");
+ return;
+ }
+ if (!isCallOp)
+ O << '$';
+ else if (Name[0] == '$') {
+ // The name begins with a dollar-sign. In order to avoid having it look
+ // like an integer immediate to the assembler, enclose it in parens.
+ O << '(';
+ needCloseParen = true;
+ }
+
+ O << Name;
+
+ if (shouldPrintPLT(TM, Subtarget)) {
+ std::string GOTName(TAI->getGlobalPrefix());
+ GOTName+="_GLOBAL_OFFSET_TABLE_";
+ if (Name == GOTName)
+ // HACK! Emit extra offset to PC during printing GOT offset to
+ // compensate for the size of popl instruction. The resulting code
+ // should look like:
+ // call .piclabel
+ // piclabel:
+ // popl %some_register
+ // addl $_GLOBAL_ADDRESS_TABLE_ + [.-piclabel], %some_register
+ O << " + [.-"
+ << getPICLabelString(getFunctionNumber(), TAI, Subtarget) << ']';
+
+ if (isCallOp)
+ O << "@PLT";
+ }
+
+ if (needCloseParen)
+ O << ')';
+
+ if (!isCallOp && Subtarget->isPICStyleRIPRel())
+ O << "(%rip)";
+
+ return;
+ }
+ default:
+ O << "<unknown operand type>"; return;
+ }
+}
+
+void X86ATTAsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op) {
+ unsigned char value = MI->getOperand(Op).getImm();
+ assert(value <= 7 && "Invalid ssecc argument!");
+ switch (value) {
+ case 0: O << "eq"; break;
+ case 1: O << "lt"; break;
+ case 2: O << "le"; break;
+ case 3: O << "unord"; break;
+ case 4: O << "neq"; break;
+ case 5: O << "nlt"; break;
+ case 6: O << "nle"; break;
+ case 7: O << "ord"; break;
+ }
+}
+
+void X86ATTAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
+ const char *Modifier){
+ assert(isMem(MI, Op) && "Invalid memory reference!");
+ MachineOperand BaseReg = MI->getOperand(Op);
+ MachineOperand IndexReg = MI->getOperand(Op+2);
+ const MachineOperand &DispSpec = MI->getOperand(Op+3);
+
+ bool NotRIPRel = IndexReg.getReg() || BaseReg.getReg();
+ if (DispSpec.isGlobalAddress() ||
+ DispSpec.isConstantPoolIndex() ||
+ DispSpec.isJumpTableIndex()) {
+ printOperand(MI, Op+3, "mem", NotRIPRel);
+ } else {
+ int DispVal = DispSpec.getImm();
+ if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg()))
+ O << DispVal;
+ }
+
+ if (IndexReg.getReg() || BaseReg.getReg()) {
+ unsigned ScaleVal = MI->getOperand(Op+1).getImm();
+ unsigned BaseRegOperand = 0, IndexRegOperand = 2;
+
+ // There are cases where we can end up with ESP/RSP in the indexreg slot.
+ // If this happens, swap the base/index register to support assemblers that
+ // don't work when the index is *SP.
+ if (IndexReg.getReg() == X86::ESP || IndexReg.getReg() == X86::RSP) {
+ assert(ScaleVal == 1 && "Scale not supported for stack pointer!");
+ std::swap(BaseReg, IndexReg);
+ std::swap(BaseRegOperand, IndexRegOperand);
+ }
+
+ O << '(';
+ if (BaseReg.getReg())
+ printOperand(MI, Op+BaseRegOperand, Modifier);
+
+ if (IndexReg.getReg()) {
+ O << ',';
+ printOperand(MI, Op+IndexRegOperand, Modifier);
+ if (ScaleVal != 1)
+ O << ',' << ScaleVal;
+ }
+ O << ')';
+ }
+}
+
+void X86ATTAsmPrinter::printPICJumpTableSetLabel(unsigned uid,
+ const MachineBasicBlock *MBB) const {
+ if (!TAI->getSetDirective())
+ return;
+
+ // We don't need .set machinery if we have GOT-style relocations
+ if (Subtarget->isPICStyleGOT())
+ return;
+
+ O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
+ << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
+ printBasicBlockLabel(MBB, false, false, false);
+ if (Subtarget->isPICStyleRIPRel())
+ O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ << '_' << uid << '\n';
+ else
+ O << '-' << getPICLabelString(getFunctionNumber(), TAI, Subtarget) << '\n';
+}
+
+void X86ATTAsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op) {
+ std::string label = getPICLabelString(getFunctionNumber(), TAI, Subtarget);
+ O << label << '\n' << label << ':';
+}
+
+
+void X86ATTAsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
+ const MachineBasicBlock *MBB,
+ unsigned uid) const
+{
+ const char *JTEntryDirective = MJTI->getEntrySize() == 4 ?
+ TAI->getData32bitsDirective() : TAI->getData64bitsDirective();
+
+ O << JTEntryDirective << ' ';
+
+ if (TM.getRelocationModel() == Reloc::PIC_) {
+ if (Subtarget->isPICStyleRIPRel() || Subtarget->isPICStyleStub()) {
+ O << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
+ << '_' << uid << "_set_" << MBB->getNumber();
+ } else if (Subtarget->isPICStyleGOT()) {
+ printBasicBlockLabel(MBB, false, false, false);
+ O << "@GOTOFF";
+ } else
+ assert(0 && "Don't know how to print MBB label for this PIC mode");
+ } else
+ printBasicBlockLabel(MBB, false, false, false);
+}
+
+bool X86ATTAsmPrinter::printAsmMRegister(const MachineOperand &MO,
+ const char Mode) {
+ unsigned Reg = MO.getReg();
+ switch (Mode) {
+ default: return true; // Unknown mode.
+ case 'b': // Print QImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i8);
+ break;
+ case 'h': // Print QImode high register
+ Reg = getX86SubSuperRegister(Reg, MVT::i8, true);
+ break;
+ case 'w': // Print HImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i16);
+ break;
+ case 'k': // Print SImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i32);
+ break;
+ case 'q': // Print DImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i64);
+ break;
+ }
+
+ O << '%'<< TRI->getAsmName(Reg);
+ return false;
+}
+
+/// PrintAsmOperand - Print out an operand for an inline asm expression.
+///
+bool X86ATTAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode) {
+ // Does this asm operand have a single letter operand modifier?
+ if (ExtraCode && ExtraCode[0]) {
+ if (ExtraCode[1] != 0) return true; // Unknown modifier.
+
+ switch (ExtraCode[0]) {
+ default: return true; // Unknown modifier.
+ case 'c': // Don't print "$" before a global var name or constant.
+ printOperand(MI, OpNo, "mem");
+ return false;
+ case 'b': // Print QImode register
+ case 'h': // Print QImode high register
+ case 'w': // Print HImode register
+ case 'k': // Print SImode register
+ case 'q': // Print DImode register
+ if (MI->getOperand(OpNo).isRegister())
+ return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]);
+ printOperand(MI, OpNo);
+ return false;
+
+ case 'P': // Don't print @PLT, but do print as memory.
+ printOperand(MI, OpNo, "mem");
+ return false;
+ }
+ }
+
+ printOperand(MI, OpNo);
+ return false;
+}
+
+bool X86ATTAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
+ unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode) {
+ if (ExtraCode && ExtraCode[0]) {
+ if (ExtraCode[1] != 0) return true; // Unknown modifier.
+
+ switch (ExtraCode[0]) {
+ default: return true; // Unknown modifier.
+ case 'b': // Print QImode register
+ case 'h': // Print QImode high register
+ case 'w': // Print HImode register
+ case 'k': // Print SImode register
+ case 'q': // Print SImode register
+ // These only apply to registers, ignore on mem.
+ break;
+ }
+ }
+ printMemReference(MI, OpNo);
+ return false;
+}
+
+/// printMachineInstruction -- Print out a single X86 LLVM instruction
+/// MI in AT&T syntax to the current output stream.
+///
+void X86ATTAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
+ ++EmittedInsts;
+
+ // Call the autogenerated instruction printer routines.
+ printInstruction(MI);
+}
+
+/// doInitialization
+bool X86ATTAsmPrinter::doInitialization(Module &M) {
+ if (TAI->doesSupportDebugInformation()) {
+ // Emit initial debug information.
+ DW.BeginModule(&M);
+ }
+
+ bool Result = AsmPrinter::doInitialization(M);
+
+ if (TAI->doesSupportDebugInformation()) {
+ // Let PassManager know we need debug information and relay
+ // the MachineModuleInfo address on to DwarfWriter.
+ // AsmPrinter::doInitialization did this analysis.
+ MMI = getAnalysisToUpdate<MachineModuleInfo>();
+ DW.SetModuleInfo(MMI);
+ }
+
+ // Darwin wants symbols to be quoted if they have complex names.
+ if (Subtarget->isTargetDarwin())
+ Mang->setUseQuotes(true);
+
+ return Result;
+}
+
+
+void X86ATTAsmPrinter::printModuleLevelGV(const GlobalVariable* GVar) {
+ const TargetData *TD = TM.getTargetData();
+
+ if (!GVar->hasInitializer())
+ return; // External global require no code
+
+ // Check to see if this is a special global used by LLVM, if so, emit it.
+ if (EmitSpecialLLVMGlobal(GVar)) {
+ if (Subtarget->isTargetDarwin() &&
+ TM.getRelocationModel() == Reloc::Static) {
+ if (GVar->getName() == "llvm.global_ctors")
+ O << ".reference .constructors_used\n";
+ else if (GVar->getName() == "llvm.global_dtors")
+ O << ".reference .destructors_used\n";
+ }
+ return;
+ }
+
+ std::string SectionName = TAI->SectionForGlobal(GVar);
+ std::string name = Mang->getValueName(GVar);
+ Constant *C = GVar->getInitializer();
+ const Type *Type = C->getType();
+ unsigned Size = TD->getABITypeSize(Type);
+ unsigned Align = TD->getPreferredAlignmentLog(GVar);
+
+ printVisibility(name, GVar->getVisibility());
+
+ if (Subtarget->isTargetELF())
+ O << "\t.type\t" << name << ",@object\n";
+
+ SwitchToDataSection(SectionName.c_str());
+
+ if (C->isNullValue() && !GVar->hasSection()) {
+ // FIXME: This seems to be pretty darwin-specific
+ if (GVar->hasExternalLinkage()) {
+ if (const char *Directive = TAI->getZeroFillDirective()) {
+ O << "\t.globl " << name << '\n';
+ O << Directive << "__DATA, __common, " << name << ", "
+ << Size << ", " << Align << '\n';
+ return;
+ }
+ }
+
+ if (!GVar->isThreadLocal() &&
+ (GVar->hasInternalLinkage() || GVar->isWeakForLinker())) {
+ if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
+
+ if (TAI->getLCOMMDirective() != NULL) {
+ if (GVar->hasInternalLinkage()) {
+ O << TAI->getLCOMMDirective() << name << ',' << Size;
+ if (Subtarget->isTargetDarwin())
+ O << ',' << Align;
+ } else if (Subtarget->isTargetDarwin() && !GVar->hasCommonLinkage()) {
+ O << "\t.globl " << name << '\n'
+ << TAI->getWeakDefDirective() << name << '\n';
+ EmitAlignment(Align, GVar);
+ O << name << ":\t\t\t\t" << TAI->getCommentString() << ' ';
+ PrintUnmangledNameSafely(GVar, O);
+ O << '\n';
+ EmitGlobalConstant(C);
+ return;
+ } else {
+ O << TAI->getCOMMDirective() << name << ',' << Size;
+ if (TAI->getCOMMDirectiveTakesAlignment())
+ O << ',' << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
+ }
+ } else {
+ if (!Subtarget->isTargetCygMing()) {
+ if (GVar->hasInternalLinkage())
+ O << "\t.local\t" << name << '\n';
+ }
+ O << TAI->getCOMMDirective() << name << ',' << Size;
+ if (TAI->getCOMMDirectiveTakesAlignment())
+ O << ',' << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
+ }
+ O << "\t\t" << TAI->getCommentString() << ' ';
+ PrintUnmangledNameSafely(GVar, O);
+ O << '\n';
+ return;
+ }
+ }
+
+ switch (GVar->getLinkage()) {
+ case GlobalValue::CommonLinkage:
+ case GlobalValue::LinkOnceLinkage:
+ case GlobalValue::WeakLinkage:
+ if (Subtarget->isTargetDarwin()) {
+ O << "\t.globl " << name << '\n'
+ << TAI->getWeakDefDirective() << name << '\n';
+ } else if (Subtarget->isTargetCygMing()) {
+ O << "\t.globl\t" << name << "\n"
+ "\t.linkonce same_size\n";
+ } else {
+ O << "\t.weak\t" << name << '\n';
+ }
+ break;
+ case GlobalValue::DLLExportLinkage:
+ case GlobalValue::AppendingLinkage:
+ // FIXME: appending linkage variables should go into a section of
+ // their name or something. For now, just emit them as external.
+ case GlobalValue::ExternalLinkage:
+ // If external or appending, declare as a global symbol
+ O << "\t.globl " << name << '\n';
+ // FALL THROUGH
+ case GlobalValue::InternalLinkage:
+ break;
+ default:
+ assert(0 && "Unknown linkage type!");
+ }
+
+ EmitAlignment(Align, GVar);
+ O << name << ":\t\t\t\t" << TAI->getCommentString() << ' ';
+ PrintUnmangledNameSafely(GVar, O);
+ O << '\n';
+ if (TAI->hasDotTypeDotSizeDirective())
+ O << "\t.size\t" << name << ", " << Size << '\n';
+
+ // If the initializer is a extern weak symbol, remember to emit the weak
+ // reference!
+ if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
+ if (GV->hasExternalWeakLinkage())
+ ExtWeakSymbols.insert(GV);
+
+ EmitGlobalConstant(C);
+}
+
+/// printGVStub - Print stub for a global value.
+///
+void X86ATTAsmPrinter::printGVStub(const char *GV, const char *Prefix) {
+ printSuffixedName(GV, "$non_lazy_ptr", Prefix);
+ O << ":\n\t.indirect_symbol ";
+ if (Prefix) O << Prefix;
+ O << GV << "\n\t.long\t0\n";
+}
+
+
+bool X86ATTAsmPrinter::doFinalization(Module &M) {
+ // Print out module-level global variables here.
+ for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
+ I != E; ++I) {
+ printModuleLevelGV(I);
+
+ if (I->hasDLLExportLinkage())
+ DLLExportedGVs.insert(Mang->makeNameProper(I->getName(),""));
+ }
+
+ // Output linker support code for dllexported globals
+ if (!DLLExportedGVs.empty())
+ SwitchToDataSection(".section .drectve");
+
+ for (StringSet<>::iterator i = DLLExportedGVs.begin(),
+ e = DLLExportedGVs.end();
+ i != e; ++i)
+ O << "\t.ascii \" -export:" << i->getKeyData() << ",data\"\n";
+
+ if (!DLLExportedFns.empty()) {
+ SwitchToDataSection(".section .drectve");
+ }
+
+ for (StringSet<>::iterator i = DLLExportedFns.begin(),
+ e = DLLExportedFns.end();
+ i != e; ++i)
+ O << "\t.ascii \" -export:" << i->getKeyData() << "\"\n";
+
+ if (Subtarget->isTargetDarwin()) {
+ SwitchToDataSection("");
+
+ // Output stubs for dynamically-linked functions
+ unsigned j = 1;
+ for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
+ i != e; ++i, ++j) {
+ SwitchToDataSection("\t.section __IMPORT,__jump_table,symbol_stubs,"
+ "self_modifying_code+pure_instructions,5", 0);
+ const char *p = i->getKeyData();
+ printSuffixedName(p, "$stub");
+ O << ":\n"
+ "\t.indirect_symbol " << p << "\n"
+ "\thlt ; hlt ; hlt ; hlt ; hlt\n";
+ }
+
+ O << '\n';
+
+ // Print global value stubs.
+ bool InStubSection = false;
+ if (TAI->doesSupportExceptionHandling() && MMI && !Subtarget->is64Bit()) {
+ // Add the (possibly multiple) personalities to the set of global values.
+ // Only referenced functions get into the Personalities list.
+ const std::vector<Function *>& Personalities = MMI->getPersonalities();
+ for (std::vector<Function *>::const_iterator I = Personalities.begin(),
+ E = Personalities.end(); I != E; ++I) {
+ if (!*I)
+ continue;
+ if (!InStubSection) {
+ SwitchToDataSection(
+ "\t.section __IMPORT,__pointers,non_lazy_symbol_pointers");
+ InStubSection = true;
+ }
+ printGVStub((*I)->getNameStart(), "_");
+ }
+ }
+
+ // Output stubs for external and common global variables.
+ if (!InStubSection && !GVStubs.empty())
+ SwitchToDataSection(
+ "\t.section __IMPORT,__pointers,non_lazy_symbol_pointers");
+ for (StringSet<>::iterator i = GVStubs.begin(), e = GVStubs.end();
+ i != e; ++i)
+ printGVStub(i->getKeyData());
+
+ // Emit final debug information.
+ DW.EndModule();
+
+ // Funny Darwin hack: This flag tells the linker that no global symbols
+ // contain code that falls through to other global symbols (e.g. the obvious
+ // implementation of multiple entry points). If this doesn't occur, the
+ // linker can safely perform dead code stripping. Since LLVM never
+ // generates code that does this, it is always safe to set.
+ O << "\t.subsections_via_symbols\n";
+ } else if (Subtarget->isTargetCygMing()) {
+ // Emit type information for external functions
+ for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
+ i != e; ++i) {
+ O << "\t.def\t " << i->getKeyData()
+ << ";\t.scl\t" << COFF::C_EXT
+ << ";\t.type\t" << (COFF::DT_FCN << COFF::N_BTSHFT)
+ << ";\t.endef\n";
+ }
+
+ // Emit final debug information.
+ DW.EndModule();
+ } else if (Subtarget->isTargetELF()) {
+ // Emit final debug information.
+ DW.EndModule();
+ }
+
+ return AsmPrinter::doFinalization(M);
+}
+
+// Include the auto-generated portion of the assembly writer.
+#include "X86GenAsmWriter.inc"
--- /dev/null
+//===-- X86ATTAsmPrinter.h - Convert X86 LLVM code to AT&T assembly -------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// AT&T assembly code printer class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef X86ATTASMPRINTER_H
+#define X86ATTASMPRINTER_H
+
+#include "X86.h"
+#include "X86MachineFunctionInfo.h"
+#include "X86TargetMachine.h"
+#include "llvm/ADT/StringSet.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/DwarfWriter.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/Support/Compiler.h"
+
+namespace llvm {
+
+struct MachineJumpTableInfo;
+
+struct VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
+ DwarfWriter DW;
+ MachineModuleInfo *MMI;
+
+ const X86Subtarget *Subtarget;
+
+ X86ATTAsmPrinter(std::ostream &O, X86TargetMachine &TM,
+ const TargetAsmInfo *T)
+ : AsmPrinter(O, TM, T), DW(O, this, T), MMI(0) {
+ Subtarget = &TM.getSubtarget<X86Subtarget>();
+ }
+
+ virtual const char *getPassName() const {
+ return "X86 AT&T-Style Assembly Printer";
+ }
+
+ void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+ if (Subtarget->isTargetDarwin() ||
+ Subtarget->isTargetELF() ||
+ Subtarget->isTargetCygMing()) {
+ AU.addRequired<MachineModuleInfo>();
+ }
+ AsmPrinter::getAnalysisUsage(AU);
+ }
+
+ bool doInitialization(Module &M);
+ bool doFinalization(Module &M);
+
+ /// printInstruction - This method is automatically generated by tablegen
+ /// from the instruction set description. This method returns true if the
+ /// machine instruction was sufficiently described to print it, otherwise it
+ /// returns false.
+ bool printInstruction(const MachineInstr *MI);
+
+ // These methods are used by the tablegen'erated instruction printer.
+ void printOperand(const MachineInstr *MI, unsigned OpNo,
+ const char *Modifier = 0, bool NotRIPRel = false);
+ void printi8mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo);
+ }
+ void printi16mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo);
+ }
+ void printi32mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo);
+ }
+ void printi64mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo);
+ }
+ void printi128mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo);
+ }
+ void printf32mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo);
+ }
+ void printf64mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo);
+ }
+ void printf80mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo);
+ }
+ void printf128mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo);
+ }
+ void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
+ printMemReference(MI, OpNo, "subreg64");
+ }
+
+ bool printAsmMRegister(const MachineOperand &MO, const char Mode);
+ bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode);
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode);
+
+ void printMachineInstruction(const MachineInstr *MI);
+ void printSSECC(const MachineInstr *MI, unsigned Op);
+ void printMemReference(const MachineInstr *MI, unsigned Op,
+ const char *Modifier=NULL);
+ void printPICJumpTableSetLabel(unsigned uid,
+ const MachineBasicBlock *MBB) const;
+ void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
+ const MachineBasicBlock *MBB) const {
+ AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
+ }
+ void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
+ const MachineBasicBlock *MBB,
+ unsigned uid) const;
+
+ void printPICLabel(const MachineInstr *MI, unsigned Op);
+ void printModuleLevelGV(const GlobalVariable* GVar);
+
+ void printGVStub(const char *GV, const char *Prefix = NULL);
+
+ bool runOnMachineFunction(MachineFunction &F);
+
+ /// getSectionForFunction - Return the section that we should emit the
+ /// specified function body into.
+ virtual std::string getSectionForFunction(const Function &F) const;
+
+ void emitFunctionHeader(const MachineFunction &MF);
+
+ // Necessary for Darwin to print out the apprioriate types of linker stubs
+ StringSet<> FnStubs, GVStubs, LinkOnceStubs;
+
+ // Necessary for dllexport support
+ StringSet<> DLLExportedFns, DLLExportedGVs;
+
+ // We have to propagate some information about MachineFunction to
+ // AsmPrinter. It's ok, when we're printing the function, since we have
+ // access to MachineFunction and can get the appropriate MachineFunctionInfo.
+ // Unfortunately, this is not possible when we're printing reference to
+ // Function (e.g. calling it and so on). Even more, there is no way to get the
+ // corresponding MachineFunctions: it can even be not created at all. That's
+ // why we should use additional structure, when we're collecting all necessary
+ // information.
+ //
+ // This structure is using e.g. for name decoration for stdcall & fastcall'ed
+ // function, since we have to use arguments' size for decoration.
+ typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
+ FMFInfoMap FunctionInfoMap;
+
+ void decorateName(std::string& Name, const GlobalValue* GV);
+};
+
+} // end namespace llvm
+
+#endif
--- /dev/null
+//===-- X86AsmPrinter.cpp - Convert X86 LLVM IR to X86 assembly -----------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file the shared super class printer that converts from our internal
+// representation of machine-dependent LLVM code to Intel and AT&T format
+// assembly language.
+// This printer is the output mechanism used by `llc'.
+//
+//===----------------------------------------------------------------------===//
+
+#include "X86ATTAsmPrinter.h"
+#include "X86IntelAsmPrinter.h"
+#include "X86Subtarget.h"
+using namespace llvm;
+
+/// createX86CodePrinterPass - Returns a pass that prints the X86 assembly code
+/// for a MachineFunction to the given output stream, using the given target
+/// machine description.
+///
+FunctionPass *llvm::createX86CodePrinterPass(std::ostream &o,
+ X86TargetMachine &tm) {
+ const X86Subtarget *Subtarget = &tm.getSubtarget<X86Subtarget>();
+
+ if (Subtarget->isFlavorIntel()) {
+ return new X86IntelAsmPrinter(o, tm, tm.getTargetAsmInfo());
+ } else {
+ return new X86ATTAsmPrinter(o, tm, tm.getTargetAsmInfo());
+ }
+}
+
+namespace {
+ static struct Register {
+ Register() {
+ X86TargetMachine::registerAsmPrinter(createX86CodePrinterPass);
+ }
+ } Registrator;
+}
--- /dev/null
+//===-- X86IntelAsmPrinter.cpp - Convert X86 LLVM code to Intel assembly --===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains a printer that converts from our internal representation
+// of machine-dependent LLVM code to Intel format assembly language.
+// This printer is the output mechanism used by `llc'.
+//
+//===----------------------------------------------------------------------===//
+
+#define DEBUG_TYPE "asm-printer"
+#include "X86IntelAsmPrinter.h"
+#include "X86InstrInfo.h"
+#include "X86TargetAsmInfo.h"
+#include "X86.h"
+#include "llvm/CallingConv.h"
+#include "llvm/Constants.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Module.h"
+#include "llvm/ADT/Statistic.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Assembly/Writer.h"
+#include "llvm/Support/Mangler.h"
+#include "llvm/Target/TargetAsmInfo.h"
+#include "llvm/Target/TargetOptions.h"
+using namespace llvm;
+
+STATISTIC(EmittedInsts, "Number of machine instrs printed");
+
+static X86MachineFunctionInfo calculateFunctionInfo(const Function *F,
+ const TargetData *TD) {
+ X86MachineFunctionInfo Info;
+ uint64_t Size = 0;
+
+ switch (F->getCallingConv()) {
+ case CallingConv::X86_StdCall:
+ Info.setDecorationStyle(StdCall);
+ break;
+ case CallingConv::X86_FastCall:
+ Info.setDecorationStyle(FastCall);
+ break;
+ default:
+ return Info;
+ }
+
+ unsigned argNum = 1;
+ for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
+ AI != AE; ++AI, ++argNum) {
+ const Type* Ty = AI->getType();
+
+ // 'Dereference' type in case of byval parameter attribute
+ if (F->paramHasAttr(argNum, ParamAttr::ByVal))
+ Ty = cast<PointerType>(Ty)->getElementType();
+
+ // Size should be aligned to DWORD boundary
+ Size += ((TD->getABITypeSize(Ty) + 3)/4)*4;
+ }
+
+ // We're not supporting tooooo huge arguments :)
+ Info.setBytesToPopOnReturn((unsigned int)Size);
+ return Info;
+}
+
+
+/// decorateName - Query FunctionInfoMap and use this information for various
+/// name decoration.
+void X86IntelAsmPrinter::decorateName(std::string &Name,
+ const GlobalValue *GV) {
+ const Function *F = dyn_cast<Function>(GV);
+ if (!F) return;
+
+ // We don't want to decorate non-stdcall or non-fastcall functions right now
+ unsigned CC = F->getCallingConv();
+ if (CC != CallingConv::X86_StdCall && CC != CallingConv::X86_FastCall)
+ return;
+
+ FMFInfoMap::const_iterator info_item = FunctionInfoMap.find(F);
+
+ const X86MachineFunctionInfo *Info;
+ if (info_item == FunctionInfoMap.end()) {
+ // Calculate apropriate function info and populate map
+ FunctionInfoMap[F] = calculateFunctionInfo(F, TM.getTargetData());
+ Info = &FunctionInfoMap[F];
+ } else {
+ Info = &info_item->second;
+ }
+
+ const FunctionType *FT = F->getFunctionType();
+ switch (Info->getDecorationStyle()) {
+ case None:
+ break;
+ case StdCall:
+ // "Pure" variadic functions do not receive @0 suffix.
+ if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
+ (FT->getNumParams() == 1 && F->hasStructRetAttr()))
+ Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
+ break;
+ case FastCall:
+ // "Pure" variadic functions do not receive @0 suffix.
+ if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
+ (FT->getNumParams() == 1 && F->hasStructRetAttr()))
+ Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
+
+ if (Name[0] == '_')
+ Name[0] = '@';
+ else
+ Name = '@' + Name;
+
+ break;
+ default:
+ assert(0 && "Unsupported DecorationStyle");
+ }
+}
+
+
+std::string X86IntelAsmPrinter::getSectionForFunction(const Function &F) const {
+ // Intel asm always emits functions to _text.
+ return "_text";
+}
+
+/// runOnMachineFunction - This uses the printMachineInstruction()
+/// method to print assembly for each instruction.
+///
+bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
+ SetupMachineFunction(MF);
+ O << "\n\n";
+
+ // Print out constants referenced by the function
+ EmitConstantPool(MF.getConstantPool());
+
+ // Print out labels for the function.
+ const Function *F = MF.getFunction();
+ unsigned CC = F->getCallingConv();
+
+ // Populate function information map. Actually, We don't want to populate
+ // non-stdcall or non-fastcall functions' information right now.
+ if (CC == CallingConv::X86_StdCall || CC == CallingConv::X86_FastCall)
+ FunctionInfoMap[F] = *MF.getInfo<X86MachineFunctionInfo>();
+
+ decorateName(CurrentFnName, F);
+
+ SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
+
+ unsigned FnAlign = OptimizeForSize ? 1 : 4;
+ switch (F->getLinkage()) {
+ default: assert(0 && "Unsupported linkage type!");
+ case Function::InternalLinkage:
+ EmitAlignment(FnAlign);
+ break;
+ case Function::DLLExportLinkage:
+ DLLExportedFns.insert(CurrentFnName);
+ //FALLS THROUGH
+ case Function::ExternalLinkage:
+ O << "\tpublic " << CurrentFnName << "\n";
+ EmitAlignment(FnAlign);
+ break;
+ }
+
+ O << CurrentFnName << "\tproc near\n";
+
+ // Print out code for the function.
+ for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
+ I != E; ++I) {
+ // Print a label for the basic block if there are any predecessors.
+ if (!I->pred_empty()) {
+ printBasicBlockLabel(I, true, true);
+ O << '\n';
+ }
+ for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
+ II != E; ++II) {
+ // Print the assembly for the instruction.
+ printMachineInstruction(II);
+ }
+ }
+
+ // Print out jump tables referenced by the function.
+ EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
+
+ O << CurrentFnName << "\tendp\n";
+
+ // We didn't modify anything.
+ return false;
+}
+
+void X86IntelAsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op) {
+ unsigned char value = MI->getOperand(Op).getImm();
+ assert(value <= 7 && "Invalid ssecc argument!");
+ switch (value) {
+ case 0: O << "eq"; break;
+ case 1: O << "lt"; break;
+ case 2: O << "le"; break;
+ case 3: O << "unord"; break;
+ case 4: O << "neq"; break;
+ case 5: O << "nlt"; break;
+ case 6: O << "nle"; break;
+ case 7: O << "ord"; break;
+ }
+}
+
+void X86IntelAsmPrinter::printOp(const MachineOperand &MO,
+ const char *Modifier) {
+ switch (MO.getType()) {
+ case MachineOperand::MO_Register: {
+ if (TargetRegisterInfo::isPhysicalRegister(MO.getReg())) {
+ unsigned Reg = MO.getReg();
+ if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
+ MVT VT = (strcmp(Modifier,"subreg64") == 0) ?
+ MVT::i64 : ((strcmp(Modifier, "subreg32") == 0) ? MVT::i32 :
+ ((strcmp(Modifier,"subreg16") == 0) ? MVT::i16 :MVT::i8));
+ Reg = getX86SubSuperRegister(Reg, VT);
+ }
+ O << TRI->getName(Reg);
+ } else
+ O << "reg" << MO.getReg();
+ return;
+ }
+ case MachineOperand::MO_Immediate:
+ O << MO.getImm();
+ return;
+ case MachineOperand::MO_MachineBasicBlock:
+ printBasicBlockLabel(MO.getMBB());
+ return;
+ case MachineOperand::MO_JumpTableIndex: {
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ if (!isMemOp) O << "OFFSET ";
+ O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ << "_" << MO.getIndex();
+ return;
+ }
+ case MachineOperand::MO_ConstantPoolIndex: {
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ if (!isMemOp) O << "OFFSET ";
+ O << "[" << TAI->getPrivateGlobalPrefix() << "CPI"
+ << getFunctionNumber() << "_" << MO.getIndex();
+ int Offset = MO.getOffset();
+ if (Offset > 0)
+ O << " + " << Offset;
+ else if (Offset < 0)
+ O << Offset;
+ O << "]";
+ return;
+ }
+ case MachineOperand::MO_GlobalAddress: {
+ bool isCallOp = Modifier && !strcmp(Modifier, "call");
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ GlobalValue *GV = MO.getGlobal();
+ std::string Name = Mang->getValueName(GV);
+
+ decorateName(Name, GV);
+
+ if (!isMemOp && !isCallOp) O << "OFFSET ";
+ if (GV->hasDLLImportLinkage()) {
+ // FIXME: This should be fixed with full support of stdcall & fastcall
+ // CC's
+ O << "__imp_";
+ }
+ O << Name;
+ int Offset = MO.getOffset();
+ if (Offset > 0)
+ O << " + " << Offset;
+ else if (Offset < 0)
+ O << Offset;
+ return;
+ }
+ case MachineOperand::MO_ExternalSymbol: {
+ bool isCallOp = Modifier && !strcmp(Modifier, "call");
+ if (!isCallOp) O << "OFFSET ";
+ O << TAI->getGlobalPrefix() << MO.getSymbolName();
+ return;
+ }
+ default:
+ O << "<unknown operand type>"; return;
+ }
+}
+
+void X86IntelAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
+ const char *Modifier) {
+ assert(isMem(MI, Op) && "Invalid memory reference!");
+
+ const MachineOperand &BaseReg = MI->getOperand(Op);
+ int ScaleVal = MI->getOperand(Op+1).getImm();
+ const MachineOperand &IndexReg = MI->getOperand(Op+2);
+ const MachineOperand &DispSpec = MI->getOperand(Op+3);
+
+ O << "[";
+ bool NeedPlus = false;
+ if (BaseReg.getReg()) {
+ printOp(BaseReg, Modifier);
+ NeedPlus = true;
+ }
+
+ if (IndexReg.getReg()) {
+ if (NeedPlus) O << " + ";
+ if (ScaleVal != 1)
+ O << ScaleVal << "*";
+ printOp(IndexReg, Modifier);
+ NeedPlus = true;
+ }
+
+ if (DispSpec.isGlobalAddress() || DispSpec.isConstantPoolIndex() ||
+ DispSpec.isJumpTableIndex()) {
+ if (NeedPlus)
+ O << " + ";
+ printOp(DispSpec, "mem");
+ } else {
+ int DispVal = DispSpec.getImm();
+ if (DispVal || (!BaseReg.getReg() && !IndexReg.getReg())) {
+ if (NeedPlus) {
+ if (DispVal > 0)
+ O << " + ";
+ else {
+ O << " - ";
+ DispVal = -DispVal;
+ }
+ }
+ O << DispVal;
+ }
+ }
+ O << "]";
+}
+
+void X86IntelAsmPrinter::printPICJumpTableSetLabel(unsigned uid,
+ const MachineBasicBlock *MBB) const {
+ if (!TAI->getSetDirective())
+ return;
+
+ O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
+ << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
+ printBasicBlockLabel(MBB, false, false, false);
+ O << '-' << "\"L" << getFunctionNumber() << "$pb\"'\n";
+}
+
+void X86IntelAsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op) {
+ O << "\"L" << getFunctionNumber() << "$pb\"\n";
+ O << "\"L" << getFunctionNumber() << "$pb\":";
+}
+
+bool X86IntelAsmPrinter::printAsmMRegister(const MachineOperand &MO,
+ const char Mode) {
+ unsigned Reg = MO.getReg();
+ switch (Mode) {
+ default: return true; // Unknown mode.
+ case 'b': // Print QImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i8);
+ break;
+ case 'h': // Print QImode high register
+ Reg = getX86SubSuperRegister(Reg, MVT::i8, true);
+ break;
+ case 'w': // Print HImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i16);
+ break;
+ case 'k': // Print SImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i32);
+ break;
+ }
+
+ O << '%' << TRI->getName(Reg);
+ return false;
+}
+
+/// PrintAsmOperand - Print out an operand for an inline asm expression.
+///
+bool X86IntelAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode) {
+ // Does this asm operand have a single letter operand modifier?
+ if (ExtraCode && ExtraCode[0]) {
+ if (ExtraCode[1] != 0) return true; // Unknown modifier.
+
+ switch (ExtraCode[0]) {
+ default: return true; // Unknown modifier.
+ case 'b': // Print QImode register
+ case 'h': // Print QImode high register
+ case 'w': // Print HImode register
+ case 'k': // Print SImode register
+ return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]);
+ }
+ }
+
+ printOperand(MI, OpNo);
+ return false;
+}
+
+bool X86IntelAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
+ unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode) {
+ if (ExtraCode && ExtraCode[0])
+ return true; // Unknown modifier.
+ printMemReference(MI, OpNo);
+ return false;
+}
+
+/// printMachineInstruction -- Print out a single X86 LLVM instruction
+/// MI in Intel syntax to the current output stream.
+///
+void X86IntelAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
+ ++EmittedInsts;
+
+ // Call the autogenerated instruction printer routines.
+ printInstruction(MI);
+}
+
+bool X86IntelAsmPrinter::doInitialization(Module &M) {
+ bool Result = AsmPrinter::doInitialization(M);
+
+ Mang->markCharUnacceptable('.');
+
+ O << "\t.686\n\t.model flat\n\n";
+
+ // Emit declarations for external functions.
+ for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
+ if (I->isDeclaration()) {
+ std::string Name = Mang->getValueName(I);
+ decorateName(Name, I);
+
+ O << "\textern " ;
+ if (I->hasDLLImportLinkage()) {
+ O << "__imp_";
+ }
+ O << Name << ":near\n";
+ }
+
+ // Emit declarations for external globals. Note that VC++ always declares
+ // external globals to have type byte, and if that's good enough for VC++...
+ for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
+ I != E; ++I) {
+ if (I->isDeclaration()) {
+ std::string Name = Mang->getValueName(I);
+
+ O << "\textern " ;
+ if (I->hasDLLImportLinkage()) {
+ O << "__imp_";
+ }
+ O << Name << ":byte\n";
+ }
+ }
+
+ return Result;
+}
+
+bool X86IntelAsmPrinter::doFinalization(Module &M) {
+ const TargetData *TD = TM.getTargetData();
+
+ // Print out module-level global variables here.
+ for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
+ I != E; ++I) {
+ if (I->isDeclaration()) continue; // External global require no code
+
+ // Check to see if this is a special global used by LLVM, if so, emit it.
+ if (EmitSpecialLLVMGlobal(I))
+ continue;
+
+ std::string name = Mang->getValueName(I);
+ Constant *C = I->getInitializer();
+ unsigned Align = TD->getPreferredAlignmentLog(I);
+ bool bCustomSegment = false;
+
+ switch (I->getLinkage()) {
+ case GlobalValue::CommonLinkage:
+ case GlobalValue::LinkOnceLinkage:
+ case GlobalValue::WeakLinkage:
+ SwitchToDataSection("");
+ O << name << "?\tsegment common 'COMMON'\n";
+ bCustomSegment = true;
+ // FIXME: the default alignment is 16 bytes, but 1, 2, 4, and 256
+ // are also available.
+ break;
+ case GlobalValue::AppendingLinkage:
+ SwitchToDataSection("");
+ O << name << "?\tsegment public 'DATA'\n";
+ bCustomSegment = true;
+ // FIXME: the default alignment is 16 bytes, but 1, 2, 4, and 256
+ // are also available.
+ break;
+ case GlobalValue::DLLExportLinkage:
+ DLLExportedGVs.insert(name);
+ // FALL THROUGH
+ case GlobalValue::ExternalLinkage:
+ O << "\tpublic " << name << "\n";
+ // FALL THROUGH
+ case GlobalValue::InternalLinkage:
+ SwitchToDataSection(TAI->getDataSection(), I);
+ break;
+ default:
+ assert(0 && "Unknown linkage type!");
+ }
+
+ if (!bCustomSegment)
+ EmitAlignment(Align, I);
+
+ O << name << ":\t\t\t\t" << TAI->getCommentString()
+ << " " << I->getName() << '\n';
+
+ EmitGlobalConstant(C);
+
+ if (bCustomSegment)
+ O << name << "?\tends\n";
+ }
+
+ // Output linker support code for dllexported globals
+ if (!DLLExportedGVs.empty() || !DLLExportedFns.empty()) {
+ SwitchToDataSection("");
+ O << "; WARNING: The following code is valid only with MASM v8.x and (possible) higher\n"
+ << "; This version of MASM is usually shipped with Microsoft Visual Studio 2005\n"
+ << "; or (possible) further versions. Unfortunately, there is no way to support\n"
+ << "; dllexported symbols in the earlier versions of MASM in fully automatic way\n\n";
+ O << "_drectve\t segment info alias('.drectve')\n";
+ }
+
+ for (StringSet<>::iterator i = DLLExportedGVs.begin(),
+ e = DLLExportedGVs.end();
+ i != e; ++i)
+ O << "\t db ' /EXPORT:" << i->getKeyData() << ",data'\n";
+
+ for (StringSet<>::iterator i = DLLExportedFns.begin(),
+ e = DLLExportedFns.end();
+ i != e; ++i)
+ O << "\t db ' /EXPORT:" << i->getKeyData() << "'\n";
+
+ if (!DLLExportedGVs.empty() || !DLLExportedFns.empty())
+ O << "_drectve\t ends\n";
+
+ // Bypass X86SharedAsmPrinter::doFinalization().
+ bool Result = AsmPrinter::doFinalization(M);
+ SwitchToDataSection("");
+ O << "\tend\n";
+ return Result;
+}
+
+void X86IntelAsmPrinter::EmitString(const ConstantArray *CVA) const {
+ unsigned NumElts = CVA->getNumOperands();
+ if (NumElts) {
+ // ML does not have escape sequences except '' for '. It also has a maximum
+ // string length of 255.
+ unsigned len = 0;
+ bool inString = false;
+ for (unsigned i = 0; i < NumElts; i++) {
+ int n = cast<ConstantInt>(CVA->getOperand(i))->getZExtValue() & 255;
+ if (len == 0)
+ O << "\tdb ";
+
+ if (n >= 32 && n <= 127) {
+ if (!inString) {
+ if (len > 0) {
+ O << ",'";
+ len += 2;
+ } else {
+ O << "'";
+ len++;
+ }
+ inString = true;
+ }
+ if (n == '\'') {
+ O << "'";
+ len++;
+ }
+ O << char(n);
+ } else {
+ if (inString) {
+ O << "'";
+ len++;
+ inString = false;
+ }
+ if (len > 0) {
+ O << ",";
+ len++;
+ }
+ O << n;
+ len += 1 + (n > 9) + (n > 99);
+ }
+
+ if (len > 60) {
+ if (inString) {
+ O << "'";
+ inString = false;
+ }
+ O << "\n";
+ len = 0;
+ }
+ }
+
+ if (len > 0) {
+ if (inString)
+ O << "'";
+ O << "\n";
+ }
+ }
+}
+
+// Include the auto-generated portion of the assembly writer.
+#include "X86GenAsmWriter1.inc"
--- /dev/null
+//===-- X86IntelAsmPrinter.h - Convert X86 LLVM code to Intel assembly ----===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Intel assembly code printer class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef X86INTELASMPRINTER_H
+#define X86INTELASMPRINTER_H
+
+#include "X86.h"
+#include "X86MachineFunctionInfo.h"
+#include "X86TargetMachine.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/ADT/StringSet.h"
+#include "llvm/Support/Compiler.h"
+
+namespace llvm {
+
+struct VISIBILITY_HIDDEN X86IntelAsmPrinter : public AsmPrinter {
+ X86IntelAsmPrinter(std::ostream &O, X86TargetMachine &TM,
+ const TargetAsmInfo *T)
+ : AsmPrinter(O, TM, T) {
+ }
+
+ virtual const char *getPassName() const {
+ return "X86 Intel-Style Assembly Printer";
+ }
+
+ /// printInstruction - This method is automatically generated by tablegen
+ /// from the instruction set description. This method returns true if the
+ /// machine instruction was sufficiently described to print it, otherwise it
+ /// returns false.
+ bool printInstruction(const MachineInstr *MI);
+
+ // This method is used by the tablegen'erated instruction printer.
+ void printOperand(const MachineInstr *MI, unsigned OpNo,
+ const char *Modifier = 0) {
+ const MachineOperand &MO = MI->getOperand(OpNo);
+ if (MO.isRegister()) {
+ assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
+ "Not physreg??");
+ O << TM.getRegisterInfo()->get(MO.getReg()).Name; // Capitalized names
+ } else {
+ printOp(MO, Modifier);
+ }
+ }
+
+ void printi8mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "BYTE PTR ";
+ printMemReference(MI, OpNo);
+ }
+ void printi16mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "WORD PTR ";
+ printMemReference(MI, OpNo);
+ }
+ void printi32mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "DWORD PTR ";
+ printMemReference(MI, OpNo);
+ }
+ void printi64mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "QWORD PTR ";
+ printMemReference(MI, OpNo);
+ }
+ void printi128mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "XMMWORD PTR ";
+ printMemReference(MI, OpNo);
+ }
+ void printf32mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "DWORD PTR ";
+ printMemReference(MI, OpNo);
+ }
+ void printf64mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "QWORD PTR ";
+ printMemReference(MI, OpNo);
+ }
+ void printf80mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "XWORD PTR ";
+ printMemReference(MI, OpNo);
+ }
+ void printf128mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "XMMWORD PTR ";
+ printMemReference(MI, OpNo);
+ }
+ void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
+ O << "QWORD PTR ";
+ printMemReference(MI, OpNo, "subreg64");
+ }
+
+ bool printAsmMRegister(const MachineOperand &MO, const char Mode);
+ bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode);
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode);
+ void printMachineInstruction(const MachineInstr *MI);
+ void printOp(const MachineOperand &MO, const char *Modifier = 0);
+ void printSSECC(const MachineInstr *MI, unsigned Op);
+ void printMemReference(const MachineInstr *MI, unsigned Op,
+ const char *Modifier=NULL);
+ void printPICJumpTableSetLabel(unsigned uid,
+ const MachineBasicBlock *MBB) const;
+ void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
+ const MachineBasicBlock *MBB) const {
+ AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
+ }
+ void printPICLabel(const MachineInstr *MI, unsigned Op);
+ bool runOnMachineFunction(MachineFunction &F);
+ bool doInitialization(Module &M);
+ bool doFinalization(Module &M);
+
+ // We have to propagate some information about MachineFunction to
+ // AsmPrinter. It's ok, when we're printing the function, since we have
+ // access to MachineFunction and can get the appropriate MachineFunctionInfo.
+ // Unfortunately, this is not possible when we're printing reference to
+ // Function (e.g. calling it and so on). Even more, there is no way to get the
+ // corresponding MachineFunctions: it can even be not created at all. That's
+ // why we should use additional structure, when we're collecting all necessary
+ // information.
+ //
+ // This structure is using e.g. for name decoration for stdcall & fastcall'ed
+ // function, since we have to use arguments' size for decoration.
+ typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
+ FMFInfoMap FunctionInfoMap;
+
+ void decorateName(std::string& Name, const GlobalValue* GV);
+
+ /// getSectionForFunction - Return the section that we should emit the
+ /// specified function body into.
+ virtual std::string getSectionForFunction(const Function &F) const;
+
+ virtual void EmitString(const ConstantArray *CVA) const;
+
+ // Necessary for dllexport support
+ StringSet<> DLLExportedFns, DLLExportedGVs;
+};
+
+} // end namespace llvm
+
+#endif
#
##===----------------------------------------------------------------------===##
LEVEL = ../../..
-LIBRARYNAME = LLVMX86
+LIBRARYNAME = LLVMX86CodeGen
TARGET = X86
# Make sure that tblgen is run, first thing.
X86GenFastISel.inc \
X86GenCallingConv.inc X86GenSubtarget.inc
+DIRS = AsmPrinter
+
include $(LEVEL)/Makefile.common
+++ /dev/null
-//===-- X86ATTAsmPrinter.cpp - Convert X86 LLVM code to AT&T assembly -----===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains a printer that converts from our internal representation
-// of machine-dependent LLVM code to AT&T format assembly
-// language. This printer is the output mechanism used by `llc'.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "asm-printer"
-#include "X86ATTAsmPrinter.h"
-#include "X86.h"
-#include "X86COFF.h"
-#include "X86MachineFunctionInfo.h"
-#include "X86TargetMachine.h"
-#include "X86TargetAsmInfo.h"
-#include "llvm/CallingConv.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/CodeGen/MachineJumpTableInfo.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetOptions.h"
-using namespace llvm;
-
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
-static std::string getPICLabelString(unsigned FnNum,
- const TargetAsmInfo *TAI,
- const X86Subtarget* Subtarget) {
- std::string label;
- if (Subtarget->isTargetDarwin())
- label = "\"L" + utostr_32(FnNum) + "$pb\"";
- else if (Subtarget->isTargetELF())
- label = ".Lllvm$" + utostr_32(FnNum) + "." "$piclabel";
- else
- assert(0 && "Don't know how to print PIC label!\n");
-
- return label;
-}
-
-static X86MachineFunctionInfo calculateFunctionInfo(const Function *F,
- const TargetData *TD) {
- X86MachineFunctionInfo Info;
- uint64_t Size = 0;
-
- switch (F->getCallingConv()) {
- case CallingConv::X86_StdCall:
- Info.setDecorationStyle(StdCall);
- break;
- case CallingConv::X86_FastCall:
- Info.setDecorationStyle(FastCall);
- break;
- default:
- return Info;
- }
-
- unsigned argNum = 1;
- for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
- AI != AE; ++AI, ++argNum) {
- const Type* Ty = AI->getType();
-
- // 'Dereference' type in case of byval parameter attribute
- if (F->paramHasAttr(argNum, ParamAttr::ByVal))
- Ty = cast<PointerType>(Ty)->getElementType();
-
- // Size should be aligned to DWORD boundary
- Size += ((TD->getABITypeSize(Ty) + 3)/4)*4;
- }
-
- // We're not supporting tooooo huge arguments :)
- Info.setBytesToPopOnReturn((unsigned int)Size);
- return Info;
-}
-
-/// PrintUnmangledNameSafely - Print out the printable characters in the name.
-/// Don't print things like \n or \0.
-static void PrintUnmangledNameSafely(const Value *V, std::ostream &OS) {
- for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
- Name != E; ++Name)
- if (isprint(*Name))
- OS << *Name;
-}
-
-/// decorateName - Query FunctionInfoMap and use this information for various
-/// name decoration.
-void X86ATTAsmPrinter::decorateName(std::string &Name,
- const GlobalValue *GV) {
- const Function *F = dyn_cast<Function>(GV);
- if (!F) return;
-
- // We don't want to decorate non-stdcall or non-fastcall functions right now
- unsigned CC = F->getCallingConv();
- if (CC != CallingConv::X86_StdCall && CC != CallingConv::X86_FastCall)
- return;
-
- // Decorate names only when we're targeting Cygwin/Mingw32 targets
- if (!Subtarget->isTargetCygMing())
- return;
-
- FMFInfoMap::const_iterator info_item = FunctionInfoMap.find(F);
-
- const X86MachineFunctionInfo *Info;
- if (info_item == FunctionInfoMap.end()) {
- // Calculate apropriate function info and populate map
- FunctionInfoMap[F] = calculateFunctionInfo(F, TM.getTargetData());
- Info = &FunctionInfoMap[F];
- } else {
- Info = &info_item->second;
- }
-
- const FunctionType *FT = F->getFunctionType();
- switch (Info->getDecorationStyle()) {
- case None:
- break;
- case StdCall:
- // "Pure" variadic functions do not receive @0 suffix.
- if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
- (FT->getNumParams() == 1 && F->hasStructRetAttr()))
- Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
- break;
- case FastCall:
- // "Pure" variadic functions do not receive @0 suffix.
- if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
- (FT->getNumParams() == 1 && F->hasStructRetAttr()))
- Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
-
- if (Name[0] == '_') {
- Name[0] = '@';
- } else {
- Name = '@' + Name;
- }
- break;
- default:
- assert(0 && "Unsupported DecorationStyle");
- }
-}
-
-// Substitute old hook with new one temporary
-std::string X86ATTAsmPrinter::getSectionForFunction(const Function &F) const {
- return TAI->SectionForGlobal(&F);
-}
-
-void X86ATTAsmPrinter::emitFunctionHeader(const MachineFunction &MF) {
- const Function *F = MF.getFunction();
- std::string SectionName = TAI->SectionForGlobal(F);
-
- decorateName(CurrentFnName, F);
-
- SwitchToTextSection(SectionName.c_str());
-
- unsigned FnAlign = OptimizeForSize ? 1 : 4;
- switch (F->getLinkage()) {
- default: assert(0 && "Unknown linkage type!");
- case Function::InternalLinkage: // Symbols default to internal.
- EmitAlignment(FnAlign, F);
- break;
- case Function::DLLExportLinkage:
- case Function::ExternalLinkage:
- EmitAlignment(FnAlign, F);
- O << "\t.globl\t" << CurrentFnName << '\n';
- break;
- case Function::LinkOnceLinkage:
- case Function::WeakLinkage:
- EmitAlignment(FnAlign, F);
- if (Subtarget->isTargetDarwin()) {
- O << "\t.globl\t" << CurrentFnName << '\n';
- O << TAI->getWeakDefDirective() << CurrentFnName << '\n';
- } else if (Subtarget->isTargetCygMing()) {
- O << "\t.globl\t" << CurrentFnName << "\n"
- "\t.linkonce discard\n";
- } else {
- O << "\t.weak\t" << CurrentFnName << '\n';
- }
- break;
- }
-
- printVisibility(CurrentFnName, F->getVisibility());
-
- if (Subtarget->isTargetELF())
- O << "\t.type\t" << CurrentFnName << ",@function\n";
- else if (Subtarget->isTargetCygMing()) {
- O << "\t.def\t " << CurrentFnName
- << ";\t.scl\t" <<
- (F->getLinkage() == Function::InternalLinkage ? COFF::C_STAT : COFF::C_EXT)
- << ";\t.type\t" << (COFF::DT_FCN << COFF::N_BTSHFT)
- << ";\t.endef\n";
- }
-
- O << CurrentFnName << ":\n";
- // Add some workaround for linkonce linkage on Cygwin\MinGW
- if (Subtarget->isTargetCygMing() &&
- (F->getLinkage() == Function::LinkOnceLinkage ||
- F->getLinkage() == Function::WeakLinkage))
- O << "Lllvm$workaround$fake$stub$" << CurrentFnName << ":\n";
-}
-
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- const Function *F = MF.getFunction();
- unsigned CC = F->getCallingConv();
-
- SetupMachineFunction(MF);
- O << "\n\n";
-
- // Populate function information map. Actually, We don't want to populate
- // non-stdcall or non-fastcall functions' information right now.
- if (CC == CallingConv::X86_StdCall || CC == CallingConv::X86_FastCall)
- FunctionInfoMap[F] = *MF.getInfo<X86MachineFunctionInfo>();
-
- // Print out constants referenced by the function
- EmitConstantPool(MF.getConstantPool());
-
- if (F->hasDLLExportLinkage())
- DLLExportedFns.insert(Mang->makeNameProper(F->getName(), ""));
-
- // Print the 'header' of function
- emitFunctionHeader(MF);
-
- // Emit pre-function debug and/or EH information.
- if (TAI->doesSupportDebugInformation() || TAI->doesSupportExceptionHandling())
- DW.BeginFunction(&MF);
-
- // Print out code for the function.
- bool hasAnyRealCode = false;
- for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
- I != E; ++I) {
- // Print a label for the basic block.
- if (!I->pred_empty()) {
- printBasicBlockLabel(I, true, true);
- O << '\n';
- }
- for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
- II != IE; ++II) {
- // Print the assembly for the instruction.
- if (!II->isLabel())
- hasAnyRealCode = true;
- printMachineInstruction(II);
- }
- }
-
- if (Subtarget->isTargetDarwin() && !hasAnyRealCode) {
- // If the function is empty, then we need to emit *something*. Otherwise,
- // the function's label might be associated with something that it wasn't
- // meant to be associated with. We emit a noop in this situation.
- // We are assuming inline asms are code.
- O << "\tnop\n";
- }
-
- if (TAI->hasDotTypeDotSizeDirective())
- O << "\t.size\t" << CurrentFnName << ", .-" << CurrentFnName << '\n';
-
- // Emit post-function debug information.
- if (TAI->doesSupportDebugInformation())
- DW.EndFunction();
-
- // Print out jump tables referenced by the function.
- EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
-
- // We didn't modify anything.
- return false;
-}
-
-static inline bool shouldPrintGOT(TargetMachine &TM, const X86Subtarget* ST) {
- return ST->isPICStyleGOT() && TM.getRelocationModel() == Reloc::PIC_;
-}
-
-static inline bool shouldPrintPLT(TargetMachine &TM, const X86Subtarget* ST) {
- return ST->isTargetELF() && TM.getRelocationModel() == Reloc::PIC_ &&
- (ST->isPICStyleRIPRel() || ST->isPICStyleGOT());
-}
-
-static inline bool shouldPrintStub(TargetMachine &TM, const X86Subtarget* ST) {
- return ST->isPICStyleStub() && TM.getRelocationModel() != Reloc::Static;
-}
-
-void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
- const char *Modifier, bool NotRIPRel) {
- const MachineOperand &MO = MI->getOperand(OpNo);
- switch (MO.getType()) {
- case MachineOperand::MO_Register: {
- assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
- "Virtual registers should not make it this far!");
- O << '%';
- unsigned Reg = MO.getReg();
- if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
- MVT VT = (strcmp(Modifier+6,"64") == 0) ?
- MVT::i64 : ((strcmp(Modifier+6, "32") == 0) ? MVT::i32 :
- ((strcmp(Modifier+6,"16") == 0) ? MVT::i16 : MVT::i8));
- Reg = getX86SubSuperRegister(Reg, VT);
- }
- O << TRI->getAsmName(Reg);
- return;
- }
-
- case MachineOperand::MO_Immediate:
- if (!Modifier ||
- (strcmp(Modifier, "debug") && strcmp(Modifier, "mem")))
- O << '$';
- O << MO.getImm();
- return;
- case MachineOperand::MO_MachineBasicBlock:
- printBasicBlockLabel(MO.getMBB());
- return;
- case MachineOperand::MO_JumpTableIndex: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- if (!isMemOp) O << '$';
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() << '_'
- << MO.getIndex();
-
- if (TM.getRelocationModel() == Reloc::PIC_) {
- if (Subtarget->isPICStyleStub())
- O << "-\"" << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
- << "$pb\"";
- else if (Subtarget->isPICStyleGOT())
- O << "@GOTOFF";
- }
-
- if (isMemOp && Subtarget->isPICStyleRIPRel() && !NotRIPRel)
- O << "(%rip)";
- return;
- }
- case MachineOperand::MO_ConstantPoolIndex: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- if (!isMemOp) O << '$';
- O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
- << MO.getIndex();
-
- if (TM.getRelocationModel() == Reloc::PIC_) {
- if (Subtarget->isPICStyleStub())
- O << "-\"" << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
- << "$pb\"";
- else if (Subtarget->isPICStyleGOT())
- O << "@GOTOFF";
- }
-
- int Offset = MO.getOffset();
- if (Offset > 0)
- O << '+' << Offset;
- else if (Offset < 0)
- O << Offset;
-
- if (isMemOp && Subtarget->isPICStyleRIPRel() && !NotRIPRel)
- O << "(%rip)";
- return;
- }
- case MachineOperand::MO_GlobalAddress: {
- bool isCallOp = Modifier && !strcmp(Modifier, "call");
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- bool needCloseParen = false;
-
- const GlobalValue *GV = MO.getGlobal();
- const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV);
- if (!GVar) {
- // If GV is an alias then use the aliasee for determining
- // thread-localness.
- if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV))
- GVar = dyn_cast_or_null<GlobalVariable>(GA->resolveAliasedGlobal());
- }
-
- bool isThreadLocal = GVar && GVar->isThreadLocal();
-
- std::string Name = Mang->getValueName(GV);
- decorateName(Name, GV);
-
- if (!isMemOp && !isCallOp)
- O << '$';
- else if (Name[0] == '$') {
- // The name begins with a dollar-sign. In order to avoid having it look
- // like an integer immediate to the assembler, enclose it in parens.
- O << '(';
- needCloseParen = true;
- }
-
- if (shouldPrintStub(TM, Subtarget)) {
- // Link-once, declaration, or Weakly-linked global variables need
- // non-lazily-resolved stubs
- if (GV->isDeclaration() || GV->isWeakForLinker()) {
- // Dynamically-resolved functions need a stub for the function.
- if (isCallOp && isa<Function>(GV)) {
- FnStubs.insert(Name);
- printSuffixedName(Name, "$stub");
- } else {
- GVStubs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
- }
- } else {
- if (GV->hasDLLImportLinkage())
- O << "__imp_";
- O << Name;
- }
-
- if (!isCallOp && TM.getRelocationModel() == Reloc::PIC_)
- O << '-' << getPICLabelString(getFunctionNumber(), TAI, Subtarget);
- } else {
- if (GV->hasDLLImportLinkage()) {
- O << "__imp_";
- }
- O << Name;
-
- if (isCallOp) {
- if (shouldPrintPLT(TM, Subtarget)) {
- // Assemble call via PLT for externally visible symbols
- if (!GV->hasHiddenVisibility() && !GV->hasProtectedVisibility() &&
- !GV->hasInternalLinkage())
- O << "@PLT";
- }
- if (Subtarget->isTargetCygMing() && GV->isDeclaration())
- // Save function name for later type emission
- FnStubs.insert(Name);
- }
- }
-
- if (GV->hasExternalWeakLinkage())
- ExtWeakSymbols.insert(GV);
-
- int Offset = MO.getOffset();
- if (Offset > 0)
- O << '+' << Offset;
- else if (Offset < 0)
- O << Offset;
-
- if (isThreadLocal) {
- if (TM.getRelocationModel() == Reloc::PIC_ || Subtarget->is64Bit())
- O << "@TLSGD"; // general dynamic TLS model
- else
- if (GV->isDeclaration())
- O << "@INDNTPOFF"; // initial exec TLS model
- else
- O << "@NTPOFF"; // local exec TLS model
- } else if (isMemOp) {
- if (shouldPrintGOT(TM, Subtarget)) {
- if (Subtarget->GVRequiresExtraLoad(GV, TM, false))
- O << "@GOT";
- else
- O << "@GOTOFF";
- } else if (Subtarget->isPICStyleRIPRel() && !NotRIPRel &&
- TM.getRelocationModel() != Reloc::Static) {
- if (Subtarget->GVRequiresExtraLoad(GV, TM, false))
- O << "@GOTPCREL";
-
- if (needCloseParen) {
- needCloseParen = false;
- O << ')';
- }
-
- // Use rip when possible to reduce code size, except when
- // index or base register are also part of the address. e.g.
- // foo(%rip)(%rcx,%rax,4) is not legal
- O << "(%rip)";
- }
- }
-
- if (needCloseParen)
- O << ')';
-
- return;
- }
- case MachineOperand::MO_ExternalSymbol: {
- bool isCallOp = Modifier && !strcmp(Modifier, "call");
- bool needCloseParen = false;
- std::string Name(TAI->getGlobalPrefix());
- Name += MO.getSymbolName();
- if (isCallOp && shouldPrintStub(TM, Subtarget)) {
- FnStubs.insert(Name);
- printSuffixedName(Name, "$stub");
- return;
- }
- if (!isCallOp)
- O << '$';
- else if (Name[0] == '$') {
- // The name begins with a dollar-sign. In order to avoid having it look
- // like an integer immediate to the assembler, enclose it in parens.
- O << '(';
- needCloseParen = true;
- }
-
- O << Name;
-
- if (shouldPrintPLT(TM, Subtarget)) {
- std::string GOTName(TAI->getGlobalPrefix());
- GOTName+="_GLOBAL_OFFSET_TABLE_";
- if (Name == GOTName)
- // HACK! Emit extra offset to PC during printing GOT offset to
- // compensate for the size of popl instruction. The resulting code
- // should look like:
- // call .piclabel
- // piclabel:
- // popl %some_register
- // addl $_GLOBAL_ADDRESS_TABLE_ + [.-piclabel], %some_register
- O << " + [.-"
- << getPICLabelString(getFunctionNumber(), TAI, Subtarget) << ']';
-
- if (isCallOp)
- O << "@PLT";
- }
-
- if (needCloseParen)
- O << ')';
-
- if (!isCallOp && Subtarget->isPICStyleRIPRel())
- O << "(%rip)";
-
- return;
- }
- default:
- O << "<unknown operand type>"; return;
- }
-}
-
-void X86ATTAsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op) {
- unsigned char value = MI->getOperand(Op).getImm();
- assert(value <= 7 && "Invalid ssecc argument!");
- switch (value) {
- case 0: O << "eq"; break;
- case 1: O << "lt"; break;
- case 2: O << "le"; break;
- case 3: O << "unord"; break;
- case 4: O << "neq"; break;
- case 5: O << "nlt"; break;
- case 6: O << "nle"; break;
- case 7: O << "ord"; break;
- }
-}
-
-void X86ATTAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
- const char *Modifier){
- assert(isMem(MI, Op) && "Invalid memory reference!");
- MachineOperand BaseReg = MI->getOperand(Op);
- MachineOperand IndexReg = MI->getOperand(Op+2);
- const MachineOperand &DispSpec = MI->getOperand(Op+3);
-
- bool NotRIPRel = IndexReg.getReg() || BaseReg.getReg();
- if (DispSpec.isGlobalAddress() ||
- DispSpec.isConstantPoolIndex() ||
- DispSpec.isJumpTableIndex()) {
- printOperand(MI, Op+3, "mem", NotRIPRel);
- } else {
- int DispVal = DispSpec.getImm();
- if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg()))
- O << DispVal;
- }
-
- if (IndexReg.getReg() || BaseReg.getReg()) {
- unsigned ScaleVal = MI->getOperand(Op+1).getImm();
- unsigned BaseRegOperand = 0, IndexRegOperand = 2;
-
- // There are cases where we can end up with ESP/RSP in the indexreg slot.
- // If this happens, swap the base/index register to support assemblers that
- // don't work when the index is *SP.
- if (IndexReg.getReg() == X86::ESP || IndexReg.getReg() == X86::RSP) {
- assert(ScaleVal == 1 && "Scale not supported for stack pointer!");
- std::swap(BaseReg, IndexReg);
- std::swap(BaseRegOperand, IndexRegOperand);
- }
-
- O << '(';
- if (BaseReg.getReg())
- printOperand(MI, Op+BaseRegOperand, Modifier);
-
- if (IndexReg.getReg()) {
- O << ',';
- printOperand(MI, Op+IndexRegOperand, Modifier);
- if (ScaleVal != 1)
- O << ',' << ScaleVal;
- }
- O << ')';
- }
-}
-
-void X86ATTAsmPrinter::printPICJumpTableSetLabel(unsigned uid,
- const MachineBasicBlock *MBB) const {
- if (!TAI->getSetDirective())
- return;
-
- // We don't need .set machinery if we have GOT-style relocations
- if (Subtarget->isPICStyleGOT())
- return;
-
- O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
- << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false, false);
- if (Subtarget->isPICStyleRIPRel())
- O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
- << '_' << uid << '\n';
- else
- O << '-' << getPICLabelString(getFunctionNumber(), TAI, Subtarget) << '\n';
-}
-
-void X86ATTAsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op) {
- std::string label = getPICLabelString(getFunctionNumber(), TAI, Subtarget);
- O << label << '\n' << label << ':';
-}
-
-
-void X86ATTAsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
- const MachineBasicBlock *MBB,
- unsigned uid) const
-{
- const char *JTEntryDirective = MJTI->getEntrySize() == 4 ?
- TAI->getData32bitsDirective() : TAI->getData64bitsDirective();
-
- O << JTEntryDirective << ' ';
-
- if (TM.getRelocationModel() == Reloc::PIC_) {
- if (Subtarget->isPICStyleRIPRel() || Subtarget->isPICStyleStub()) {
- O << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
- << '_' << uid << "_set_" << MBB->getNumber();
- } else if (Subtarget->isPICStyleGOT()) {
- printBasicBlockLabel(MBB, false, false, false);
- O << "@GOTOFF";
- } else
- assert(0 && "Don't know how to print MBB label for this PIC mode");
- } else
- printBasicBlockLabel(MBB, false, false, false);
-}
-
-bool X86ATTAsmPrinter::printAsmMRegister(const MachineOperand &MO,
- const char Mode) {
- unsigned Reg = MO.getReg();
- switch (Mode) {
- default: return true; // Unknown mode.
- case 'b': // Print QImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i8);
- break;
- case 'h': // Print QImode high register
- Reg = getX86SubSuperRegister(Reg, MVT::i8, true);
- break;
- case 'w': // Print HImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i16);
- break;
- case 'k': // Print SImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i32);
- break;
- case 'q': // Print DImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i64);
- break;
- }
-
- O << '%'<< TRI->getAsmName(Reg);
- return false;
-}
-
-/// PrintAsmOperand - Print out an operand for an inline asm expression.
-///
-bool X86ATTAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode) {
- // Does this asm operand have a single letter operand modifier?
- if (ExtraCode && ExtraCode[0]) {
- if (ExtraCode[1] != 0) return true; // Unknown modifier.
-
- switch (ExtraCode[0]) {
- default: return true; // Unknown modifier.
- case 'c': // Don't print "$" before a global var name or constant.
- printOperand(MI, OpNo, "mem");
- return false;
- case 'b': // Print QImode register
- case 'h': // Print QImode high register
- case 'w': // Print HImode register
- case 'k': // Print SImode register
- case 'q': // Print DImode register
- if (MI->getOperand(OpNo).isRegister())
- return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]);
- printOperand(MI, OpNo);
- return false;
-
- case 'P': // Don't print @PLT, but do print as memory.
- printOperand(MI, OpNo, "mem");
- return false;
- }
- }
-
- printOperand(MI, OpNo);
- return false;
-}
-
-bool X86ATTAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
- unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode) {
- if (ExtraCode && ExtraCode[0]) {
- if (ExtraCode[1] != 0) return true; // Unknown modifier.
-
- switch (ExtraCode[0]) {
- default: return true; // Unknown modifier.
- case 'b': // Print QImode register
- case 'h': // Print QImode high register
- case 'w': // Print HImode register
- case 'k': // Print SImode register
- case 'q': // Print SImode register
- // These only apply to registers, ignore on mem.
- break;
- }
- }
- printMemReference(MI, OpNo);
- return false;
-}
-
-/// printMachineInstruction -- Print out a single X86 LLVM instruction
-/// MI in AT&T syntax to the current output stream.
-///
-void X86ATTAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
- ++EmittedInsts;
-
- // Call the autogenerated instruction printer routines.
- printInstruction(MI);
-}
-
-/// doInitialization
-bool X86ATTAsmPrinter::doInitialization(Module &M) {
- if (TAI->doesSupportDebugInformation()) {
- // Emit initial debug information.
- DW.BeginModule(&M);
- }
-
- bool Result = AsmPrinter::doInitialization(M);
-
- if (TAI->doesSupportDebugInformation()) {
- // Let PassManager know we need debug information and relay
- // the MachineModuleInfo address on to DwarfWriter.
- // AsmPrinter::doInitialization did this analysis.
- MMI = getAnalysisToUpdate<MachineModuleInfo>();
- DW.SetModuleInfo(MMI);
- }
-
- // Darwin wants symbols to be quoted if they have complex names.
- if (Subtarget->isTargetDarwin())
- Mang->setUseQuotes(true);
-
- return Result;
-}
-
-
-void X86ATTAsmPrinter::printModuleLevelGV(const GlobalVariable* GVar) {
- const TargetData *TD = TM.getTargetData();
-
- if (!GVar->hasInitializer())
- return; // External global require no code
-
- // Check to see if this is a special global used by LLVM, if so, emit it.
- if (EmitSpecialLLVMGlobal(GVar)) {
- if (Subtarget->isTargetDarwin() &&
- TM.getRelocationModel() == Reloc::Static) {
- if (GVar->getName() == "llvm.global_ctors")
- O << ".reference .constructors_used\n";
- else if (GVar->getName() == "llvm.global_dtors")
- O << ".reference .destructors_used\n";
- }
- return;
- }
-
- std::string SectionName = TAI->SectionForGlobal(GVar);
- std::string name = Mang->getValueName(GVar);
- Constant *C = GVar->getInitializer();
- const Type *Type = C->getType();
- unsigned Size = TD->getABITypeSize(Type);
- unsigned Align = TD->getPreferredAlignmentLog(GVar);
-
- printVisibility(name, GVar->getVisibility());
-
- if (Subtarget->isTargetELF())
- O << "\t.type\t" << name << ",@object\n";
-
- SwitchToDataSection(SectionName.c_str());
-
- if (C->isNullValue() && !GVar->hasSection()) {
- // FIXME: This seems to be pretty darwin-specific
- if (GVar->hasExternalLinkage()) {
- if (const char *Directive = TAI->getZeroFillDirective()) {
- O << "\t.globl " << name << '\n';
- O << Directive << "__DATA, __common, " << name << ", "
- << Size << ", " << Align << '\n';
- return;
- }
- }
-
- if (!GVar->isThreadLocal() &&
- (GVar->hasInternalLinkage() || GVar->isWeakForLinker())) {
- if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
-
- if (TAI->getLCOMMDirective() != NULL) {
- if (GVar->hasInternalLinkage()) {
- O << TAI->getLCOMMDirective() << name << ',' << Size;
- if (Subtarget->isTargetDarwin())
- O << ',' << Align;
- } else if (Subtarget->isTargetDarwin() && !GVar->hasCommonLinkage()) {
- O << "\t.globl " << name << '\n'
- << TAI->getWeakDefDirective() << name << '\n';
- EmitAlignment(Align, GVar);
- O << name << ":\t\t\t\t" << TAI->getCommentString() << ' ';
- PrintUnmangledNameSafely(GVar, O);
- O << '\n';
- EmitGlobalConstant(C);
- return;
- } else {
- O << TAI->getCOMMDirective() << name << ',' << Size;
- if (TAI->getCOMMDirectiveTakesAlignment())
- O << ',' << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
- }
- } else {
- if (!Subtarget->isTargetCygMing()) {
- if (GVar->hasInternalLinkage())
- O << "\t.local\t" << name << '\n';
- }
- O << TAI->getCOMMDirective() << name << ',' << Size;
- if (TAI->getCOMMDirectiveTakesAlignment())
- O << ',' << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
- }
- O << "\t\t" << TAI->getCommentString() << ' ';
- PrintUnmangledNameSafely(GVar, O);
- O << '\n';
- return;
- }
- }
-
- switch (GVar->getLinkage()) {
- case GlobalValue::CommonLinkage:
- case GlobalValue::LinkOnceLinkage:
- case GlobalValue::WeakLinkage:
- if (Subtarget->isTargetDarwin()) {
- O << "\t.globl " << name << '\n'
- << TAI->getWeakDefDirective() << name << '\n';
- } else if (Subtarget->isTargetCygMing()) {
- O << "\t.globl\t" << name << "\n"
- "\t.linkonce same_size\n";
- } else {
- O << "\t.weak\t" << name << '\n';
- }
- break;
- case GlobalValue::DLLExportLinkage:
- case GlobalValue::AppendingLinkage:
- // FIXME: appending linkage variables should go into a section of
- // their name or something. For now, just emit them as external.
- case GlobalValue::ExternalLinkage:
- // If external or appending, declare as a global symbol
- O << "\t.globl " << name << '\n';
- // FALL THROUGH
- case GlobalValue::InternalLinkage:
- break;
- default:
- assert(0 && "Unknown linkage type!");
- }
-
- EmitAlignment(Align, GVar);
- O << name << ":\t\t\t\t" << TAI->getCommentString() << ' ';
- PrintUnmangledNameSafely(GVar, O);
- O << '\n';
- if (TAI->hasDotTypeDotSizeDirective())
- O << "\t.size\t" << name << ", " << Size << '\n';
-
- // If the initializer is a extern weak symbol, remember to emit the weak
- // reference!
- if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
- if (GV->hasExternalWeakLinkage())
- ExtWeakSymbols.insert(GV);
-
- EmitGlobalConstant(C);
-}
-
-/// printGVStub - Print stub for a global value.
-///
-void X86ATTAsmPrinter::printGVStub(const char *GV, const char *Prefix) {
- printSuffixedName(GV, "$non_lazy_ptr", Prefix);
- O << ":\n\t.indirect_symbol ";
- if (Prefix) O << Prefix;
- O << GV << "\n\t.long\t0\n";
-}
-
-
-bool X86ATTAsmPrinter::doFinalization(Module &M) {
- // Print out module-level global variables here.
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
- printModuleLevelGV(I);
-
- if (I->hasDLLExportLinkage())
- DLLExportedGVs.insert(Mang->makeNameProper(I->getName(),""));
- }
-
- // Output linker support code for dllexported globals
- if (!DLLExportedGVs.empty())
- SwitchToDataSection(".section .drectve");
-
- for (StringSet<>::iterator i = DLLExportedGVs.begin(),
- e = DLLExportedGVs.end();
- i != e; ++i)
- O << "\t.ascii \" -export:" << i->getKeyData() << ",data\"\n";
-
- if (!DLLExportedFns.empty()) {
- SwitchToDataSection(".section .drectve");
- }
-
- for (StringSet<>::iterator i = DLLExportedFns.begin(),
- e = DLLExportedFns.end();
- i != e; ++i)
- O << "\t.ascii \" -export:" << i->getKeyData() << "\"\n";
-
- if (Subtarget->isTargetDarwin()) {
- SwitchToDataSection("");
-
- // Output stubs for dynamically-linked functions
- unsigned j = 1;
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i, ++j) {
- SwitchToDataSection("\t.section __IMPORT,__jump_table,symbol_stubs,"
- "self_modifying_code+pure_instructions,5", 0);
- const char *p = i->getKeyData();
- printSuffixedName(p, "$stub");
- O << ":\n"
- "\t.indirect_symbol " << p << "\n"
- "\thlt ; hlt ; hlt ; hlt ; hlt\n";
- }
-
- O << '\n';
-
- // Print global value stubs.
- bool InStubSection = false;
- if (TAI->doesSupportExceptionHandling() && MMI && !Subtarget->is64Bit()) {
- // Add the (possibly multiple) personalities to the set of global values.
- // Only referenced functions get into the Personalities list.
- const std::vector<Function *>& Personalities = MMI->getPersonalities();
- for (std::vector<Function *>::const_iterator I = Personalities.begin(),
- E = Personalities.end(); I != E; ++I) {
- if (!*I)
- continue;
- if (!InStubSection) {
- SwitchToDataSection(
- "\t.section __IMPORT,__pointers,non_lazy_symbol_pointers");
- InStubSection = true;
- }
- printGVStub((*I)->getNameStart(), "_");
- }
- }
-
- // Output stubs for external and common global variables.
- if (!InStubSection && !GVStubs.empty())
- SwitchToDataSection(
- "\t.section __IMPORT,__pointers,non_lazy_symbol_pointers");
- for (StringSet<>::iterator i = GVStubs.begin(), e = GVStubs.end();
- i != e; ++i)
- printGVStub(i->getKeyData());
-
- // Emit final debug information.
- DW.EndModule();
-
- // Funny Darwin hack: This flag tells the linker that no global symbols
- // contain code that falls through to other global symbols (e.g. the obvious
- // implementation of multiple entry points). If this doesn't occur, the
- // linker can safely perform dead code stripping. Since LLVM never
- // generates code that does this, it is always safe to set.
- O << "\t.subsections_via_symbols\n";
- } else if (Subtarget->isTargetCygMing()) {
- // Emit type information for external functions
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i) {
- O << "\t.def\t " << i->getKeyData()
- << ";\t.scl\t" << COFF::C_EXT
- << ";\t.type\t" << (COFF::DT_FCN << COFF::N_BTSHFT)
- << ";\t.endef\n";
- }
-
- // Emit final debug information.
- DW.EndModule();
- } else if (Subtarget->isTargetELF()) {
- // Emit final debug information.
- DW.EndModule();
- }
-
- return AsmPrinter::doFinalization(M);
-}
-
-// Include the auto-generated portion of the assembly writer.
-#include "X86GenAsmWriter.inc"
+++ /dev/null
-//===-- X86ATTAsmPrinter.h - Convert X86 LLVM code to AT&T assembly -------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// AT&T assembly code printer class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef X86ATTASMPRINTER_H
-#define X86ATTASMPRINTER_H
-
-#include "X86.h"
-#include "X86MachineFunctionInfo.h"
-#include "X86TargetMachine.h"
-#include "llvm/ADT/StringSet.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/Support/Compiler.h"
-
-namespace llvm {
-
-struct MachineJumpTableInfo;
-
-struct VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
- DwarfWriter DW;
- MachineModuleInfo *MMI;
-
- const X86Subtarget *Subtarget;
-
- X86ATTAsmPrinter(std::ostream &O, X86TargetMachine &TM,
- const TargetAsmInfo *T)
- : AsmPrinter(O, TM, T), DW(O, this, T), MMI(0) {
- Subtarget = &TM.getSubtarget<X86Subtarget>();
- }
-
- virtual const char *getPassName() const {
- return "X86 AT&T-Style Assembly Printer";
- }
-
- void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.setPreservesAll();
- if (Subtarget->isTargetDarwin() ||
- Subtarget->isTargetELF() ||
- Subtarget->isTargetCygMing()) {
- AU.addRequired<MachineModuleInfo>();
- }
- AsmPrinter::getAnalysisUsage(AU);
- }
-
- bool doInitialization(Module &M);
- bool doFinalization(Module &M);
-
- /// printInstruction - This method is automatically generated by tablegen
- /// from the instruction set description. This method returns true if the
- /// machine instruction was sufficiently described to print it, otherwise it
- /// returns false.
- bool printInstruction(const MachineInstr *MI);
-
- // These methods are used by the tablegen'erated instruction printer.
- void printOperand(const MachineInstr *MI, unsigned OpNo,
- const char *Modifier = 0, bool NotRIPRel = false);
- void printi8mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printi16mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printi32mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printi64mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printi128mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printf32mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printf64mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printf80mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printf128mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo, "subreg64");
- }
-
- bool printAsmMRegister(const MachineOperand &MO, const char Mode);
- bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode);
- bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode);
-
- void printMachineInstruction(const MachineInstr *MI);
- void printSSECC(const MachineInstr *MI, unsigned Op);
- void printMemReference(const MachineInstr *MI, unsigned Op,
- const char *Modifier=NULL);
- void printPICJumpTableSetLabel(unsigned uid,
- const MachineBasicBlock *MBB) const;
- void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
- const MachineBasicBlock *MBB) const {
- AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
- }
- void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
- const MachineBasicBlock *MBB,
- unsigned uid) const;
-
- void printPICLabel(const MachineInstr *MI, unsigned Op);
- void printModuleLevelGV(const GlobalVariable* GVar);
-
- void printGVStub(const char *GV, const char *Prefix = NULL);
-
- bool runOnMachineFunction(MachineFunction &F);
-
- /// getSectionForFunction - Return the section that we should emit the
- /// specified function body into.
- virtual std::string getSectionForFunction(const Function &F) const;
-
- void emitFunctionHeader(const MachineFunction &MF);
-
- // Necessary for Darwin to print out the apprioriate types of linker stubs
- StringSet<> FnStubs, GVStubs, LinkOnceStubs;
-
- // Necessary for dllexport support
- StringSet<> DLLExportedFns, DLLExportedGVs;
-
- // We have to propagate some information about MachineFunction to
- // AsmPrinter. It's ok, when we're printing the function, since we have
- // access to MachineFunction and can get the appropriate MachineFunctionInfo.
- // Unfortunately, this is not possible when we're printing reference to
- // Function (e.g. calling it and so on). Even more, there is no way to get the
- // corresponding MachineFunctions: it can even be not created at all. That's
- // why we should use additional structure, when we're collecting all necessary
- // information.
- //
- // This structure is using e.g. for name decoration for stdcall & fastcall'ed
- // function, since we have to use arguments' size for decoration.
- typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
- FMFInfoMap FunctionInfoMap;
-
- void decorateName(std::string& Name, const GlobalValue* GV);
-};
-
-} // end namespace llvm
-
-#endif
+++ /dev/null
-//===-- X86AsmPrinter.cpp - Convert X86 LLVM IR to X86 assembly -----------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file the shared super class printer that converts from our internal
-// representation of machine-dependent LLVM code to Intel and AT&T format
-// assembly language.
-// This printer is the output mechanism used by `llc'.
-//
-//===----------------------------------------------------------------------===//
-
-#include "X86ATTAsmPrinter.h"
-#include "X86IntelAsmPrinter.h"
-#include "X86Subtarget.h"
-using namespace llvm;
-
-/// createX86CodePrinterPass - Returns a pass that prints the X86 assembly code
-/// for a MachineFunction to the given output stream, using the given target
-/// machine description.
-///
-FunctionPass *llvm::createX86CodePrinterPass(std::ostream &o,
- X86TargetMachine &tm) {
- const X86Subtarget *Subtarget = &tm.getSubtarget<X86Subtarget>();
-
- if (Subtarget->isFlavorIntel()) {
- return new X86IntelAsmPrinter(o, tm, tm.getTargetAsmInfo());
- } else {
- return new X86ATTAsmPrinter(o, tm, tm.getTargetAsmInfo());
- }
-}
+++ /dev/null
-//===-- X86IntelAsmPrinter.cpp - Convert X86 LLVM code to Intel assembly --===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains a printer that converts from our internal representation
-// of machine-dependent LLVM code to Intel format assembly language.
-// This printer is the output mechanism used by `llc'.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "asm-printer"
-#include "X86IntelAsmPrinter.h"
-#include "X86InstrInfo.h"
-#include "X86TargetAsmInfo.h"
-#include "X86.h"
-#include "llvm/CallingConv.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Assembly/Writer.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetOptions.h"
-using namespace llvm;
-
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
-static X86MachineFunctionInfo calculateFunctionInfo(const Function *F,
- const TargetData *TD) {
- X86MachineFunctionInfo Info;
- uint64_t Size = 0;
-
- switch (F->getCallingConv()) {
- case CallingConv::X86_StdCall:
- Info.setDecorationStyle(StdCall);
- break;
- case CallingConv::X86_FastCall:
- Info.setDecorationStyle(FastCall);
- break;
- default:
- return Info;
- }
-
- unsigned argNum = 1;
- for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
- AI != AE; ++AI, ++argNum) {
- const Type* Ty = AI->getType();
-
- // 'Dereference' type in case of byval parameter attribute
- if (F->paramHasAttr(argNum, ParamAttr::ByVal))
- Ty = cast<PointerType>(Ty)->getElementType();
-
- // Size should be aligned to DWORD boundary
- Size += ((TD->getABITypeSize(Ty) + 3)/4)*4;
- }
-
- // We're not supporting tooooo huge arguments :)
- Info.setBytesToPopOnReturn((unsigned int)Size);
- return Info;
-}
-
-
-/// decorateName - Query FunctionInfoMap and use this information for various
-/// name decoration.
-void X86IntelAsmPrinter::decorateName(std::string &Name,
- const GlobalValue *GV) {
- const Function *F = dyn_cast<Function>(GV);
- if (!F) return;
-
- // We don't want to decorate non-stdcall or non-fastcall functions right now
- unsigned CC = F->getCallingConv();
- if (CC != CallingConv::X86_StdCall && CC != CallingConv::X86_FastCall)
- return;
-
- FMFInfoMap::const_iterator info_item = FunctionInfoMap.find(F);
-
- const X86MachineFunctionInfo *Info;
- if (info_item == FunctionInfoMap.end()) {
- // Calculate apropriate function info and populate map
- FunctionInfoMap[F] = calculateFunctionInfo(F, TM.getTargetData());
- Info = &FunctionInfoMap[F];
- } else {
- Info = &info_item->second;
- }
-
- const FunctionType *FT = F->getFunctionType();
- switch (Info->getDecorationStyle()) {
- case None:
- break;
- case StdCall:
- // "Pure" variadic functions do not receive @0 suffix.
- if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
- (FT->getNumParams() == 1 && F->hasStructRetAttr()))
- Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
- break;
- case FastCall:
- // "Pure" variadic functions do not receive @0 suffix.
- if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
- (FT->getNumParams() == 1 && F->hasStructRetAttr()))
- Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
-
- if (Name[0] == '_')
- Name[0] = '@';
- else
- Name = '@' + Name;
-
- break;
- default:
- assert(0 && "Unsupported DecorationStyle");
- }
-}
-
-
-std::string X86IntelAsmPrinter::getSectionForFunction(const Function &F) const {
- // Intel asm always emits functions to _text.
- return "_text";
-}
-
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- SetupMachineFunction(MF);
- O << "\n\n";
-
- // Print out constants referenced by the function
- EmitConstantPool(MF.getConstantPool());
-
- // Print out labels for the function.
- const Function *F = MF.getFunction();
- unsigned CC = F->getCallingConv();
-
- // Populate function information map. Actually, We don't want to populate
- // non-stdcall or non-fastcall functions' information right now.
- if (CC == CallingConv::X86_StdCall || CC == CallingConv::X86_FastCall)
- FunctionInfoMap[F] = *MF.getInfo<X86MachineFunctionInfo>();
-
- decorateName(CurrentFnName, F);
-
- SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
-
- unsigned FnAlign = OptimizeForSize ? 1 : 4;
- switch (F->getLinkage()) {
- default: assert(0 && "Unsupported linkage type!");
- case Function::InternalLinkage:
- EmitAlignment(FnAlign);
- break;
- case Function::DLLExportLinkage:
- DLLExportedFns.insert(CurrentFnName);
- //FALLS THROUGH
- case Function::ExternalLinkage:
- O << "\tpublic " << CurrentFnName << "\n";
- EmitAlignment(FnAlign);
- break;
- }
-
- O << CurrentFnName << "\tproc near\n";
-
- // Print out code for the function.
- for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
- I != E; ++I) {
- // Print a label for the basic block if there are any predecessors.
- if (!I->pred_empty()) {
- printBasicBlockLabel(I, true, true);
- O << '\n';
- }
- for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
- II != E; ++II) {
- // Print the assembly for the instruction.
- printMachineInstruction(II);
- }
- }
-
- // Print out jump tables referenced by the function.
- EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
-
- O << CurrentFnName << "\tendp\n";
-
- // We didn't modify anything.
- return false;
-}
-
-void X86IntelAsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op) {
- unsigned char value = MI->getOperand(Op).getImm();
- assert(value <= 7 && "Invalid ssecc argument!");
- switch (value) {
- case 0: O << "eq"; break;
- case 1: O << "lt"; break;
- case 2: O << "le"; break;
- case 3: O << "unord"; break;
- case 4: O << "neq"; break;
- case 5: O << "nlt"; break;
- case 6: O << "nle"; break;
- case 7: O << "ord"; break;
- }
-}
-
-void X86IntelAsmPrinter::printOp(const MachineOperand &MO,
- const char *Modifier) {
- switch (MO.getType()) {
- case MachineOperand::MO_Register: {
- if (TargetRegisterInfo::isPhysicalRegister(MO.getReg())) {
- unsigned Reg = MO.getReg();
- if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
- MVT VT = (strcmp(Modifier,"subreg64") == 0) ?
- MVT::i64 : ((strcmp(Modifier, "subreg32") == 0) ? MVT::i32 :
- ((strcmp(Modifier,"subreg16") == 0) ? MVT::i16 :MVT::i8));
- Reg = getX86SubSuperRegister(Reg, VT);
- }
- O << TRI->getName(Reg);
- } else
- O << "reg" << MO.getReg();
- return;
- }
- case MachineOperand::MO_Immediate:
- O << MO.getImm();
- return;
- case MachineOperand::MO_MachineBasicBlock:
- printBasicBlockLabel(MO.getMBB());
- return;
- case MachineOperand::MO_JumpTableIndex: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- if (!isMemOp) O << "OFFSET ";
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
- << "_" << MO.getIndex();
- return;
- }
- case MachineOperand::MO_ConstantPoolIndex: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- if (!isMemOp) O << "OFFSET ";
- O << "[" << TAI->getPrivateGlobalPrefix() << "CPI"
- << getFunctionNumber() << "_" << MO.getIndex();
- int Offset = MO.getOffset();
- if (Offset > 0)
- O << " + " << Offset;
- else if (Offset < 0)
- O << Offset;
- O << "]";
- return;
- }
- case MachineOperand::MO_GlobalAddress: {
- bool isCallOp = Modifier && !strcmp(Modifier, "call");
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- GlobalValue *GV = MO.getGlobal();
- std::string Name = Mang->getValueName(GV);
-
- decorateName(Name, GV);
-
- if (!isMemOp && !isCallOp) O << "OFFSET ";
- if (GV->hasDLLImportLinkage()) {
- // FIXME: This should be fixed with full support of stdcall & fastcall
- // CC's
- O << "__imp_";
- }
- O << Name;
- int Offset = MO.getOffset();
- if (Offset > 0)
- O << " + " << Offset;
- else if (Offset < 0)
- O << Offset;
- return;
- }
- case MachineOperand::MO_ExternalSymbol: {
- bool isCallOp = Modifier && !strcmp(Modifier, "call");
- if (!isCallOp) O << "OFFSET ";
- O << TAI->getGlobalPrefix() << MO.getSymbolName();
- return;
- }
- default:
- O << "<unknown operand type>"; return;
- }
-}
-
-void X86IntelAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
- const char *Modifier) {
- assert(isMem(MI, Op) && "Invalid memory reference!");
-
- const MachineOperand &BaseReg = MI->getOperand(Op);
- int ScaleVal = MI->getOperand(Op+1).getImm();
- const MachineOperand &IndexReg = MI->getOperand(Op+2);
- const MachineOperand &DispSpec = MI->getOperand(Op+3);
-
- O << "[";
- bool NeedPlus = false;
- if (BaseReg.getReg()) {
- printOp(BaseReg, Modifier);
- NeedPlus = true;
- }
-
- if (IndexReg.getReg()) {
- if (NeedPlus) O << " + ";
- if (ScaleVal != 1)
- O << ScaleVal << "*";
- printOp(IndexReg, Modifier);
- NeedPlus = true;
- }
-
- if (DispSpec.isGlobalAddress() || DispSpec.isConstantPoolIndex() ||
- DispSpec.isJumpTableIndex()) {
- if (NeedPlus)
- O << " + ";
- printOp(DispSpec, "mem");
- } else {
- int DispVal = DispSpec.getImm();
- if (DispVal || (!BaseReg.getReg() && !IndexReg.getReg())) {
- if (NeedPlus) {
- if (DispVal > 0)
- O << " + ";
- else {
- O << " - ";
- DispVal = -DispVal;
- }
- }
- O << DispVal;
- }
- }
- O << "]";
-}
-
-void X86IntelAsmPrinter::printPICJumpTableSetLabel(unsigned uid,
- const MachineBasicBlock *MBB) const {
- if (!TAI->getSetDirective())
- return;
-
- O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
- << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false, false);
- O << '-' << "\"L" << getFunctionNumber() << "$pb\"'\n";
-}
-
-void X86IntelAsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op) {
- O << "\"L" << getFunctionNumber() << "$pb\"\n";
- O << "\"L" << getFunctionNumber() << "$pb\":";
-}
-
-bool X86IntelAsmPrinter::printAsmMRegister(const MachineOperand &MO,
- const char Mode) {
- unsigned Reg = MO.getReg();
- switch (Mode) {
- default: return true; // Unknown mode.
- case 'b': // Print QImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i8);
- break;
- case 'h': // Print QImode high register
- Reg = getX86SubSuperRegister(Reg, MVT::i8, true);
- break;
- case 'w': // Print HImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i16);
- break;
- case 'k': // Print SImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i32);
- break;
- }
-
- O << '%' << TRI->getName(Reg);
- return false;
-}
-
-/// PrintAsmOperand - Print out an operand for an inline asm expression.
-///
-bool X86IntelAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode) {
- // Does this asm operand have a single letter operand modifier?
- if (ExtraCode && ExtraCode[0]) {
- if (ExtraCode[1] != 0) return true; // Unknown modifier.
-
- switch (ExtraCode[0]) {
- default: return true; // Unknown modifier.
- case 'b': // Print QImode register
- case 'h': // Print QImode high register
- case 'w': // Print HImode register
- case 'k': // Print SImode register
- return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]);
- }
- }
-
- printOperand(MI, OpNo);
- return false;
-}
-
-bool X86IntelAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
- unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode) {
- if (ExtraCode && ExtraCode[0])
- return true; // Unknown modifier.
- printMemReference(MI, OpNo);
- return false;
-}
-
-/// printMachineInstruction -- Print out a single X86 LLVM instruction
-/// MI in Intel syntax to the current output stream.
-///
-void X86IntelAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
- ++EmittedInsts;
-
- // Call the autogenerated instruction printer routines.
- printInstruction(MI);
-}
-
-bool X86IntelAsmPrinter::doInitialization(Module &M) {
- bool Result = AsmPrinter::doInitialization(M);
-
- Mang->markCharUnacceptable('.');
-
- O << "\t.686\n\t.model flat\n\n";
-
- // Emit declarations for external functions.
- for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
- if (I->isDeclaration()) {
- std::string Name = Mang->getValueName(I);
- decorateName(Name, I);
-
- O << "\textern " ;
- if (I->hasDLLImportLinkage()) {
- O << "__imp_";
- }
- O << Name << ":near\n";
- }
-
- // Emit declarations for external globals. Note that VC++ always declares
- // external globals to have type byte, and if that's good enough for VC++...
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
- if (I->isDeclaration()) {
- std::string Name = Mang->getValueName(I);
-
- O << "\textern " ;
- if (I->hasDLLImportLinkage()) {
- O << "__imp_";
- }
- O << Name << ":byte\n";
- }
- }
-
- return Result;
-}
-
-bool X86IntelAsmPrinter::doFinalization(Module &M) {
- const TargetData *TD = TM.getTargetData();
-
- // Print out module-level global variables here.
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
- if (I->isDeclaration()) continue; // External global require no code
-
- // Check to see if this is a special global used by LLVM, if so, emit it.
- if (EmitSpecialLLVMGlobal(I))
- continue;
-
- std::string name = Mang->getValueName(I);
- Constant *C = I->getInitializer();
- unsigned Align = TD->getPreferredAlignmentLog(I);
- bool bCustomSegment = false;
-
- switch (I->getLinkage()) {
- case GlobalValue::CommonLinkage:
- case GlobalValue::LinkOnceLinkage:
- case GlobalValue::WeakLinkage:
- SwitchToDataSection("");
- O << name << "?\tsegment common 'COMMON'\n";
- bCustomSegment = true;
- // FIXME: the default alignment is 16 bytes, but 1, 2, 4, and 256
- // are also available.
- break;
- case GlobalValue::AppendingLinkage:
- SwitchToDataSection("");
- O << name << "?\tsegment public 'DATA'\n";
- bCustomSegment = true;
- // FIXME: the default alignment is 16 bytes, but 1, 2, 4, and 256
- // are also available.
- break;
- case GlobalValue::DLLExportLinkage:
- DLLExportedGVs.insert(name);
- // FALL THROUGH
- case GlobalValue::ExternalLinkage:
- O << "\tpublic " << name << "\n";
- // FALL THROUGH
- case GlobalValue::InternalLinkage:
- SwitchToDataSection(TAI->getDataSection(), I);
- break;
- default:
- assert(0 && "Unknown linkage type!");
- }
-
- if (!bCustomSegment)
- EmitAlignment(Align, I);
-
- O << name << ":\t\t\t\t" << TAI->getCommentString()
- << " " << I->getName() << '\n';
-
- EmitGlobalConstant(C);
-
- if (bCustomSegment)
- O << name << "?\tends\n";
- }
-
- // Output linker support code for dllexported globals
- if (!DLLExportedGVs.empty() || !DLLExportedFns.empty()) {
- SwitchToDataSection("");
- O << "; WARNING: The following code is valid only with MASM v8.x and (possible) higher\n"
- << "; This version of MASM is usually shipped with Microsoft Visual Studio 2005\n"
- << "; or (possible) further versions. Unfortunately, there is no way to support\n"
- << "; dllexported symbols in the earlier versions of MASM in fully automatic way\n\n";
- O << "_drectve\t segment info alias('.drectve')\n";
- }
-
- for (StringSet<>::iterator i = DLLExportedGVs.begin(),
- e = DLLExportedGVs.end();
- i != e; ++i)
- O << "\t db ' /EXPORT:" << i->getKeyData() << ",data'\n";
-
- for (StringSet<>::iterator i = DLLExportedFns.begin(),
- e = DLLExportedFns.end();
- i != e; ++i)
- O << "\t db ' /EXPORT:" << i->getKeyData() << "'\n";
-
- if (!DLLExportedGVs.empty() || !DLLExportedFns.empty())
- O << "_drectve\t ends\n";
-
- // Bypass X86SharedAsmPrinter::doFinalization().
- bool Result = AsmPrinter::doFinalization(M);
- SwitchToDataSection("");
- O << "\tend\n";
- return Result;
-}
-
-void X86IntelAsmPrinter::EmitString(const ConstantArray *CVA) const {
- unsigned NumElts = CVA->getNumOperands();
- if (NumElts) {
- // ML does not have escape sequences except '' for '. It also has a maximum
- // string length of 255.
- unsigned len = 0;
- bool inString = false;
- for (unsigned i = 0; i < NumElts; i++) {
- int n = cast<ConstantInt>(CVA->getOperand(i))->getZExtValue() & 255;
- if (len == 0)
- O << "\tdb ";
-
- if (n >= 32 && n <= 127) {
- if (!inString) {
- if (len > 0) {
- O << ",'";
- len += 2;
- } else {
- O << "'";
- len++;
- }
- inString = true;
- }
- if (n == '\'') {
- O << "'";
- len++;
- }
- O << char(n);
- } else {
- if (inString) {
- O << "'";
- len++;
- inString = false;
- }
- if (len > 0) {
- O << ",";
- len++;
- }
- O << n;
- len += 1 + (n > 9) + (n > 99);
- }
-
- if (len > 60) {
- if (inString) {
- O << "'";
- inString = false;
- }
- O << "\n";
- len = 0;
- }
- }
-
- if (len > 0) {
- if (inString)
- O << "'";
- O << "\n";
- }
- }
-}
-
-// Include the auto-generated portion of the assembly writer.
-#include "X86GenAsmWriter1.inc"
+++ /dev/null
-//===-- X86IntelAsmPrinter.h - Convert X86 LLVM code to Intel assembly ----===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Intel assembly code printer class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef X86INTELASMPRINTER_H
-#define X86INTELASMPRINTER_H
-
-#include "X86.h"
-#include "X86MachineFunctionInfo.h"
-#include "X86TargetMachine.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/ADT/StringSet.h"
-#include "llvm/Support/Compiler.h"
-
-namespace llvm {
-
-struct VISIBILITY_HIDDEN X86IntelAsmPrinter : public AsmPrinter {
- X86IntelAsmPrinter(std::ostream &O, X86TargetMachine &TM,
- const TargetAsmInfo *T)
- : AsmPrinter(O, TM, T) {
- }
-
- virtual const char *getPassName() const {
- return "X86 Intel-Style Assembly Printer";
- }
-
- /// printInstruction - This method is automatically generated by tablegen
- /// from the instruction set description. This method returns true if the
- /// machine instruction was sufficiently described to print it, otherwise it
- /// returns false.
- bool printInstruction(const MachineInstr *MI);
-
- // This method is used by the tablegen'erated instruction printer.
- void printOperand(const MachineInstr *MI, unsigned OpNo,
- const char *Modifier = 0) {
- const MachineOperand &MO = MI->getOperand(OpNo);
- if (MO.isRegister()) {
- assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
- "Not physreg??");
- O << TM.getRegisterInfo()->get(MO.getReg()).Name; // Capitalized names
- } else {
- printOp(MO, Modifier);
- }
- }
-
- void printi8mem(const MachineInstr *MI, unsigned OpNo) {
- O << "BYTE PTR ";
- printMemReference(MI, OpNo);
- }
- void printi16mem(const MachineInstr *MI, unsigned OpNo) {
- O << "WORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printi32mem(const MachineInstr *MI, unsigned OpNo) {
- O << "DWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printi64mem(const MachineInstr *MI, unsigned OpNo) {
- O << "QWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printi128mem(const MachineInstr *MI, unsigned OpNo) {
- O << "XMMWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printf32mem(const MachineInstr *MI, unsigned OpNo) {
- O << "DWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printf64mem(const MachineInstr *MI, unsigned OpNo) {
- O << "QWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printf80mem(const MachineInstr *MI, unsigned OpNo) {
- O << "XWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printf128mem(const MachineInstr *MI, unsigned OpNo) {
- O << "XMMWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
- O << "QWORD PTR ";
- printMemReference(MI, OpNo, "subreg64");
- }
-
- bool printAsmMRegister(const MachineOperand &MO, const char Mode);
- bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode);
- bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode);
- void printMachineInstruction(const MachineInstr *MI);
- void printOp(const MachineOperand &MO, const char *Modifier = 0);
- void printSSECC(const MachineInstr *MI, unsigned Op);
- void printMemReference(const MachineInstr *MI, unsigned Op,
- const char *Modifier=NULL);
- void printPICJumpTableSetLabel(unsigned uid,
- const MachineBasicBlock *MBB) const;
- void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
- const MachineBasicBlock *MBB) const {
- AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
- }
- void printPICLabel(const MachineInstr *MI, unsigned Op);
- bool runOnMachineFunction(MachineFunction &F);
- bool doInitialization(Module &M);
- bool doFinalization(Module &M);
-
- // We have to propagate some information about MachineFunction to
- // AsmPrinter. It's ok, when we're printing the function, since we have
- // access to MachineFunction and can get the appropriate MachineFunctionInfo.
- // Unfortunately, this is not possible when we're printing reference to
- // Function (e.g. calling it and so on). Even more, there is no way to get the
- // corresponding MachineFunctions: it can even be not created at all. That's
- // why we should use additional structure, when we're collecting all necessary
- // information.
- //
- // This structure is using e.g. for name decoration for stdcall & fastcall'ed
- // function, since we have to use arguments' size for decoration.
- typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
- FMFInfoMap FunctionInfoMap;
-
- void decorateName(std::string& Name, const GlobalValue* GV);
-
- /// getSectionForFunction - Return the section that we should emit the
- /// specified function body into.
- virtual std::string getSectionForFunction(const Function &F) const;
-
- virtual void EmitString(const ConstantArray *CVA) const;
-
- // Necessary for dllexport support
- StringSet<> DLLExportedFns, DLLExportedGVs;
-};
-
-} // end namespace llvm
-
-#endif
static RegisterTarget<X86_64TargetMachine>
Y("x86-64", " 64-bit X86: EM64T and AMD64");
+// No assembler printer by default
+X86TargetMachine::AsmPrinterCtorFn X86TargetMachine::AsmPrinterCtor = 0;
+
const TargetAsmInfo *X86TargetMachine::createTargetAsmInfo() const {
if (Subtarget.isFlavorIntel())
return new X86WinTargetAsmInfo(*this);
bool X86TargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast,
std::ostream &Out) {
- PM.add(createX86CodePrinterPass(Out, *this));
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(Out, *this));
return false;
}
}
PM.add(createX86CodeEmitterPass(*this, MCE));
- if (DumpAsm)
- PM.add(createX86CodePrinterPass(*cerr.stream(), *this));
+ if (DumpAsm) {
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(*cerr.stream(), *this));
+ }
return false;
}
bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
bool DumpAsm, MachineCodeEmitter &MCE) {
PM.add(createX86CodeEmitterPass(*this, MCE));
- if (DumpAsm)
- PM.add(createX86CodePrinterPass(*cerr.stream(), *this));
+ if (DumpAsm) {
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(*cerr.stream(), *this));
+ }
+
return false;
}
protected:
virtual const TargetAsmInfo *createTargetAsmInfo() const;
-
+
+ // To avoid having target depend on the asmprinter stuff libraries, asmprinter
+ // set this functions to ctor pointer at startup time if they are linked in.
+ typedef FunctionPass *(*AsmPrinterCtorFn)(std::ostream &o,
+ X86TargetMachine &tm);
+ static AsmPrinterCtorFn AsmPrinterCtor;
+
public:
X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit);
static unsigned getModuleMatchQuality(const Module &M);
static unsigned getJITMatchQuality();
-
+
+ static void registerAsmPrinter(AsmPrinterCtorFn F) {
+ AsmPrinterCtor = F;
+ }
+
// Set up the pass pipeline.
virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
virtual bool addPreRegAlloc(PassManagerBase &PM, bool Fast);
LEVEL := ../..
TOOLNAME := lli
-LINK_COMPONENTS := jit interpreter native bitreader selectiondag
+LINK_COMPONENTS := jit interpreter nativecodegen bitreader selectiondag
# Enable JIT support
include $(LEVEL)/Makefile.common
}
}
+ # Add target-specific entries
+ foreach my $target (@TARGETS_BUILT) {
+ # FIXME: Temporary, until we don't switch all targets
+ if (defined $NAME_MAP{$target.'asmprinter'}) {
+ $NAME_MAP{$target} = [$target.'asmprinter', $target.'codegen']
+ }
+ }
+
# Add virtual entries.
$NAME_MAP{'native'} = have_native_backend() ? [$ARCH] : [];
+ $NAME_MAP{'nativecodegen'} = have_native_backend() ? [$ARCH.'codegen'] : [];
$NAME_MAP{'backend'} = have_native_backend() ? ['native'] : ['cbackend'];
$NAME_MAP{'engine'} = find_best_engine;
$NAME_MAP{'all'} = [name_map_entries]; # Must be last.
projects / oota-llvm.git / commitdiff