X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FAsmPrinter.cpp;h=4ac8026a1b28ab52bc9beacd116019a288e7d56d;hb=ebcba612b537f45a033ccd9a60bee0c45e2e2ded;hp=0ad0ec7b1f136cfc544943a9cfea75da1e04a2fa;hpb=a7ac2bd4076096bb3a9986dd5a44f20c7f715518;p=oota-llvm.git diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp index 0ad0ec7b1f1..4ac8026a1b2 100644 --- a/lib/CodeGen/AsmPrinter.cpp +++ b/lib/CodeGen/AsmPrinter.cpp @@ -2,8 +2,8 @@ // // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // @@ -16,8 +16,11 @@ #include "llvm/DerivedTypes.h" #include "llvm/Constants.h" #include "llvm/Module.h" +#include "llvm/CodeGen/Collector.h" +#include "llvm/CodeGen/CollectorMetadata.h" #include "llvm/CodeGen/MachineConstantPool.h" #include "llvm/CodeGen/MachineJumpTableInfo.h" +#include "llvm/CodeGen/MachineModuleInfo.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/Mangler.h" #include "llvm/Support/MathExtras.h" @@ -26,6 +29,8 @@ #include "llvm/Target/TargetData.h" #include "llvm/Target/TargetLowering.h" #include "llvm/Target/TargetMachine.h" +#include "llvm/Target/TargetRegisterInfo.h" +#include "llvm/ADT/SmallPtrSet.h" #include using namespace llvm; @@ -35,7 +40,9 @@ AsmVerbose("asm-verbose", cl::Hidden, cl::desc("Add comments to directives.")); char AsmPrinter::ID = 0; AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm, const TargetAsmInfo *T) - : MachineFunctionPass((intptr_t)&ID), FunctionNumber(0), O(o), TM(tm), TAI(T) + : MachineFunctionPass((intptr_t)&ID), FunctionNumber(0), O(o), + TM(tm), TAI(T), TRI(tm.getRegisterInfo()), + IsInTextSection(false) {} std::string AsmPrinter::getSectionForFunction(const Function &F) const { @@ -65,6 +72,8 @@ void AsmPrinter::SwitchToTextSection(const char *NewSection, if (!CurrentSection.empty()) O << CurrentSection << TAI->getTextSectionStartSuffix() << '\n'; + + IsInTextSection = true; } /// SwitchToDataSection - Switch to the specified data section of the executable @@ -89,12 +98,25 @@ void AsmPrinter::SwitchToDataSection(const char *NewSection, if (!CurrentSection.empty()) O << CurrentSection << TAI->getDataSectionStartSuffix() << '\n'; + + IsInTextSection = false; } +void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const { + MachineFunctionPass::getAnalysisUsage(AU); + AU.addRequired(); +} + bool AsmPrinter::doInitialization(Module &M) { Mang = new Mangler(M, TAI->getGlobalPrefix()); + CollectorModuleMetadata *CMM = getAnalysisToUpdate(); + assert(CMM && "AsmPrinter didn't require CollectorModuleMetadata?"); + for (CollectorModuleMetadata::iterator I = CMM->begin(), + E = CMM->end(); I != E; ++I) + (*I)->beginAssembly(O, *this, *TAI); + if (!M.getModuleInlineAsm().empty()) O << TAI->getCommentString() << " Start of file scope inline assembly\n" << M.getModuleInlineAsm() @@ -103,9 +125,8 @@ bool AsmPrinter::doInitialization(Module &M) { SwitchToDataSection(""); // Reset back to no section. - if (MachineModuleInfo *MMI = getAnalysisToUpdate()) { - MMI->AnalyzeModule(M); - } + MMI = getAnalysisToUpdate(); + if (MMI) MMI->AnalyzeModule(M); return false; } @@ -142,28 +163,52 @@ bool AsmPrinter::doFinalization(Module &M) { O << TAI->getWeakRefDirective() << Name << "\n"; else if (!I->hasInternalLinkage()) assert(0 && "Invalid alias linkage"); - - O << TAI->getSetDirective() << Name << ", " << Target << "\n"; + + if (I->hasHiddenVisibility()) { + if (const char *Directive = TAI->getHiddenDirective()) + O << Directive << Name << "\n"; + } else if (I->hasProtectedVisibility()) { + if (const char *Directive = TAI->getProtectedDirective()) + O << Directive << Name << "\n"; + } + + O << TAI->getSetDirective() << ' ' << Name << ", " << Target << "\n"; // If the aliasee has external weak linkage it can be referenced only by // alias itself. In this case it can be not in ExtWeakSymbols list. Emit // weak reference in such case. - if (GV->hasExternalWeakLinkage()) + if (GV->hasExternalWeakLinkage()) { if (TAI->getWeakRefDirective()) O << TAI->getWeakRefDirective() << Target << "\n"; else O << "\t.globl\t" << Target << "\n"; + } } } + CollectorModuleMetadata *CMM = getAnalysisToUpdate(); + assert(CMM && "AsmPrinter didn't require CollectorModuleMetadata?"); + for (CollectorModuleMetadata::iterator I = CMM->end(), + E = CMM->begin(); I != E; ) + (*--I)->finishAssembly(O, *this, *TAI); + + // If we don't have any trampolines, then we don't require stack memory + // to be executable. Some targets have a directive to declare this. + Function* InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline"); + if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty()) + if (TAI->getNonexecutableStackDirective()) + O << TAI->getNonexecutableStackDirective() << "\n"; + delete Mang; Mang = 0; return false; } std::string AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF) { assert(MF && "No machine function?"); - return Mang->makeNameProper(MF->getFunction()->getName() + ".eh", - TAI->getGlobalPrefix()); + std::string Name = MF->getFunction()->getName(); + if (Name.empty()) + Name = Mang->getValueName(MF->getFunction()); + return Mang->makeNameProper(Name + ".eh", TAI->getGlobalPrefix()); } void AsmPrinter::SetupMachineFunction(MachineFunction &MF) { @@ -192,13 +237,13 @@ void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) { MachineConstantPoolEntry CPE = CP[i]; const Type *Ty = CPE.getType(); if (TAI->getFourByteConstantSection() && - TM.getTargetData()->getTypeSize(Ty) == 4) + TM.getTargetData()->getABITypeSize(Ty) == 4) FourByteCPs.push_back(std::make_pair(CPE, i)); else if (TAI->getEightByteConstantSection() && - TM.getTargetData()->getTypeSize(Ty) == 8) + TM.getTargetData()->getABITypeSize(Ty) == 8) EightByteCPs.push_back(std::make_pair(CPE, i)); else if (TAI->getSixteenByteConstantSection() && - TM.getTargetData()->getTypeSize(Ty) == 16) + TM.getTargetData()->getABITypeSize(Ty) == 16) SixteenByteCPs.push_back(std::make_pair(CPE, i)); else OtherCPs.push_back(std::make_pair(CPE, i)); @@ -229,7 +274,7 @@ void AsmPrinter::EmitConstantPool(unsigned Alignment, const char *Section, if (i != e-1) { const Type *Ty = CP[i].first.getType(); unsigned EntSize = - TM.getTargetData()->getTypeSize(Ty); + TM.getTargetData()->getABITypeSize(Ty); unsigned ValEnd = CP[i].first.getOffset() + EntSize; // Emit inter-object padding for alignment. EmitZeros(CP[i+1].first.getOffset()-ValEnd); @@ -244,17 +289,9 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI, MachineFunction &MF) { const std::vector &JT = MJTI->getJumpTables(); if (JT.empty()) return; + bool IsPic = TM.getRelocationModel() == Reloc::PIC_; - // Use JumpTableDirective otherwise honor the entry size from the jump table - // info. - const char *JTEntryDirective = TAI->getJumpTableDirective(); - bool HadJTEntryDirective = JTEntryDirective != NULL; - if (!HadJTEntryDirective) { - JTEntryDirective = MJTI->getEntrySize() == 4 ? - TAI->getData32bitsDirective() : TAI->getData64bitsDirective(); - } - // Pick the directive to use to print the jump table entries, and switch to // the appropriate section. TargetLowering *LoweringInfo = TM.getTargetLowering(); @@ -282,11 +319,11 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI, // For PIC codegen, if possible we want to use the SetDirective to reduce // the number of relocations the assembler will generate for the jump table. // Set directives are all printed before the jump table itself. - std::set EmittedSets; + SmallPtrSet EmittedSets; if (TAI->getSetDirective() && IsPic) for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) - if (EmittedSets.insert(JTBBs[ii]).second) - printSetLabel(i, JTBBs[ii]); + if (EmittedSets.insert(JTBBs[ii])) + printPICJumpTableSetLabel(i, JTBBs[ii]); // On some targets (e.g. darwin) we want to emit two consequtive labels // before each jump table. The first label is never referenced, but tells @@ -299,30 +336,51 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI, << '_' << i << ":\n"; for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) { - O << JTEntryDirective << ' '; - // If we have emitted set directives for the jump table entries, print - // them rather than the entries themselves. If we're emitting PIC, then - // emit the table entries as differences between two text section labels. - // If we're emitting non-PIC code, then emit the entries as direct - // references to the target basic blocks. - if (!EmittedSets.empty()) { - O << TAI->getPrivateGlobalPrefix() << getFunctionNumber() - << '_' << i << "_set_" << JTBBs[ii]->getNumber(); - } else if (IsPic) { - printBasicBlockLabel(JTBBs[ii], false, false); - // If the arch uses custom Jump Table directives, don't calc relative to - // JT - if (!HadJTEntryDirective) - O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" - << getFunctionNumber() << '_' << i; - } else { - printBasicBlockLabel(JTBBs[ii], false, false); - } + printPICJumpTableEntry(MJTI, JTBBs[ii], i); O << '\n'; } } } +void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI, + const MachineBasicBlock *MBB, + unsigned uid) const { + bool IsPic = TM.getRelocationModel() == Reloc::PIC_; + + // Use JumpTableDirective otherwise honor the entry size from the jump table + // info. + const char *JTEntryDirective = TAI->getJumpTableDirective(); + bool HadJTEntryDirective = JTEntryDirective != NULL; + if (!HadJTEntryDirective) { + JTEntryDirective = MJTI->getEntrySize() == 4 ? + TAI->getData32bitsDirective() : TAI->getData64bitsDirective(); + } + + O << JTEntryDirective << ' '; + + // If we have emitted set directives for the jump table entries, print + // them rather than the entries themselves. If we're emitting PIC, then + // emit the table entries as differences between two text section labels. + // If we're emitting non-PIC code, then emit the entries as direct + // references to the target basic blocks. + if (IsPic) { + if (TAI->getSetDirective()) { + O << TAI->getPrivateGlobalPrefix() << getFunctionNumber() + << '_' << uid << "_set_" << MBB->getNumber(); + } else { + printBasicBlockLabel(MBB, false, false, false); + // If the arch uses custom Jump Table directives, don't calc relative to + // JT + if (!HadJTEntryDirective) + O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" + << getFunctionNumber() << '_' << uid; + } + } else { + printBasicBlockLabel(MBB, false, false, false); + } +} + + /// EmitSpecialLLVMGlobal - Check to see if the specified global is a /// special global used by LLVM. If so, emit it and return true, otherwise /// do nothing and return false. @@ -645,8 +703,8 @@ void AsmPrinter::EmitFile(unsigned Number, const std::string &Name) const { // Align = std::max(Align, ForcedAlignBits); // void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV, - unsigned ForcedAlignBits, bool UseFillExpr, - unsigned FillValue) const { + unsigned ForcedAlignBits, + bool UseFillExpr) const { if (GV && GV->getAlignment()) NumBits = Log2_32(GV->getAlignment()); NumBits = std::max(NumBits, ForcedAlignBits); @@ -654,6 +712,9 @@ void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV, if (NumBits == 0) return; // No need to emit alignment. if (TAI->getAlignmentIsInBytes()) NumBits = 1 << NumBits; O << TAI->getAlignDirective() << NumBits; + + unsigned FillValue = TAI->getTextAlignFillValue(); + UseFillExpr &= IsInTextSection && FillValue; if (UseFillExpr) O << ",0x" << std::hex << FillValue << std::dec; O << "\n"; } @@ -750,7 +811,7 @@ void AsmPrinter::EmitConstantValueOnly(const Constant *CV) { // We can emit the pointer value into this slot if the slot is an // integer slot greater or equal to the size of the pointer. if (Ty->isInteger() && - TD->getTypeSize(Ty) >= TD->getTypeSize(Op->getType())) + TD->getABITypeSize(Ty) >= TD->getABITypeSize(Op->getType())) return EmitConstantValueOnly(Op); assert(0 && "FIXME: Don't yet support this kind of constant cast expr"); @@ -759,9 +820,32 @@ void AsmPrinter::EmitConstantValueOnly(const Constant *CV) { } case Instruction::Add: case Instruction::Sub: + case Instruction::And: + case Instruction::Or: + case Instruction::Xor: O << "("; EmitConstantValueOnly(CE->getOperand(0)); - O << (Opcode==Instruction::Add ? ") + (" : ") - ("); + O << ")"; + switch (Opcode) { + case Instruction::Add: + O << " + "; + break; + case Instruction::Sub: + O << " - "; + break; + case Instruction::And: + O << " & "; + break; + case Instruction::Or: + O << " | "; + break; + case Instruction::Xor: + O << " ^ "; + break; + default: + break; + } + O << "("; EmitConstantValueOnly(CE->getOperand(1)); O << ")"; break; @@ -805,23 +889,19 @@ void AsmPrinter::EmitString(const ConstantArray *CVA) const { } /// EmitGlobalConstant - Print a general LLVM constant to the .s file. -/// void AsmPrinter::EmitGlobalConstant(const Constant *CV) { const TargetData *TD = TM.getTargetData(); + unsigned Size = TD->getABITypeSize(CV->getType()); if (CV->isNullValue() || isa(CV)) { - EmitZeros(TD->getTypeSize(CV->getType())); + EmitZeros(Size); return; } else if (const ConstantArray *CVA = dyn_cast(CV)) { if (CVA->isString()) { EmitString(CVA); } else { // Not a string. Print the values in successive locations - for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i) { + for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i) EmitGlobalConstant(CVA->getOperand(i)); - const Type* EltTy = CVA->getType()->getElementType(); - uint64_t padSize = TD->getABITypeSize(EltTy) - TD->getTypeSize(EltTy); - EmitZeros(padSize); - } } return; } else if (const ConstantStruct *CVS = dyn_cast(CV)) { @@ -832,16 +912,17 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV) { const Constant* field = CVS->getOperand(i); // Check if padding is needed and insert one or more 0s. - uint64_t fieldSize = TD->getTypeSize(field->getType()); - uint64_t padSize = ((i == e-1? cvsLayout->getSizeInBytes() - : cvsLayout->getElementOffset(i+1)) + uint64_t fieldSize = TD->getABITypeSize(field->getType()); + uint64_t padSize = ((i == e-1 ? Size : cvsLayout->getElementOffset(i+1)) - cvsLayout->getElementOffset(i)) - fieldSize; sizeSoFar += fieldSize + padSize; - // Now print the actual field value + // Now print the actual field value. EmitGlobalConstant(field); - // Insert the field padding unless it's zero bytes... + // Insert padding - this may include padding to increase the size of the + // current field up to the ABI size (if the struct is not packed) as well + // as padding to ensure that the next field starts at the right offset. EmitZeros(padSize); } assert(sizeSoFar == cvsLayout->getSizeInBytes() && @@ -883,10 +964,13 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV) { // api needed to prevent premature destruction APInt api = CFP->getValueAPF().convertToAPInt(); const uint64_t *p = api.getRawData(); + APFloat DoubleVal = CFP->getValueAPF(); + DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven); if (TD->isBigEndian()) { O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 48) << "\t" << TAI->getCommentString() - << " long double most significant halfword\n"; + << " long double most significant halfword of ~" + << DoubleVal.convertToDouble() << "\n"; O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 32) << "\t" << TAI->getCommentString() << " long double next halfword\n"; @@ -902,7 +986,8 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV) { } else { O << TAI->getData16bitsDirective() << uint16_t(p[1]) << "\t" << TAI->getCommentString() - << " long double least significant halfword\n"; + << " long double least significant halfword of ~" + << DoubleVal.convertToDouble() << "\n"; O << TAI->getData16bitsDirective() << uint16_t(p[0]) << "\t" << TAI->getCommentString() << " long double next halfword\n"; @@ -916,6 +1001,40 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV) { << "\t" << TAI->getCommentString() << " long double most significant halfword\n"; } + EmitZeros(Size - TD->getTypeStoreSize(Type::X86_FP80Ty)); + return; + } else if (CFP->getType() == Type::PPC_FP128Ty) { + // all long double variants are printed as hex + // api needed to prevent premature destruction + APInt api = CFP->getValueAPF().convertToAPInt(); + const uint64_t *p = api.getRawData(); + if (TD->isBigEndian()) { + O << TAI->getData32bitsDirective() << uint32_t(p[0] >> 32) + << "\t" << TAI->getCommentString() + << " long double most significant word\n"; + O << TAI->getData32bitsDirective() << uint32_t(p[0]) + << "\t" << TAI->getCommentString() + << " long double next word\n"; + O << TAI->getData32bitsDirective() << uint32_t(p[1] >> 32) + << "\t" << TAI->getCommentString() + << " long double next word\n"; + O << TAI->getData32bitsDirective() << uint32_t(p[1]) + << "\t" << TAI->getCommentString() + << " long double least significant word\n"; + } else { + O << TAI->getData32bitsDirective() << uint32_t(p[1]) + << "\t" << TAI->getCommentString() + << " long double least significant word\n"; + O << TAI->getData32bitsDirective() << uint32_t(p[1] >> 32) + << "\t" << TAI->getCommentString() + << " long double next word\n"; + O << TAI->getData32bitsDirective() << uint32_t(p[0]) + << "\t" << TAI->getCommentString() + << " long double next word\n"; + O << TAI->getData32bitsDirective() << uint32_t(p[0] >> 32) + << "\t" << TAI->getCommentString() + << " long double most significant word\n"; + } return; } else assert(0 && "Floating point constant type not handled"); } else if (CV->getType() == Type::Int64Ty) { @@ -953,6 +1072,11 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV) { const Type *type = CV->getType(); printDataDirective(type); EmitConstantValueOnly(CV); + if (const ConstantInt *CI = dyn_cast(CV)) { + O << "\t\t\t" + << TAI->getCommentString() + << " 0x" << CI->getValue().toStringUnsigned(16); + } O << "\n"; } @@ -1014,9 +1138,10 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const { // Disassemble the AsmStr, printing out the literal pieces, the operands, etc. const char *AsmStr = MI->getOperand(NumDefs).getSymbolName(); - // If this asmstr is empty, don't bother printing the #APP/#NOAPP markers. + // If this asmstr is empty, just print the #APP/#NOAPP markers. + // These are useful to see where empty asm's wound up. if (AsmStr[0] == 0) { - O << "\n"; // Tab already printed, avoid double indenting next instr. + O << TAI->getInlineAsmStart() << "\n\t" << TAI->getInlineAsmEnd() << "\n"; return; } @@ -1145,23 +1270,28 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const { // Scan to find the machine operand number for the operand. for (; Val; --Val) { if (OpNo >= MI->getNumOperands()) break; - unsigned OpFlags = MI->getOperand(OpNo).getImmedValue(); + unsigned OpFlags = MI->getOperand(OpNo).getImm(); OpNo += (OpFlags >> 3) + 1; } if (OpNo >= MI->getNumOperands()) { Error = true; } else { - unsigned OpFlags = MI->getOperand(OpNo).getImmedValue(); + unsigned OpFlags = MI->getOperand(OpNo).getImm(); ++OpNo; // Skip over the ID number. - AsmPrinter *AP = const_cast(this); - if ((OpFlags & 7) == 4 /*ADDR MODE*/) { - Error = AP->PrintAsmMemoryOperand(MI, OpNo, AsmPrinterVariant, - Modifier[0] ? Modifier : 0); - } else { - Error = AP->PrintAsmOperand(MI, OpNo, AsmPrinterVariant, - Modifier[0] ? Modifier : 0); + if (Modifier[0]=='l') // labels are target independent + printBasicBlockLabel(MI->getOperand(OpNo).getMBB(), + false, false, false); + else { + AsmPrinter *AP = const_cast(this); + if ((OpFlags & 7) == 4 /*ADDR MODE*/) { + Error = AP->PrintAsmMemoryOperand(MI, OpNo, AsmPrinterVariant, + Modifier[0] ? Modifier : 0); + } else { + Error = AP->PrintAsmOperand(MI, OpNo, AsmPrinterVariant, + Modifier[0] ? Modifier : 0); + } } } if (Error) { @@ -1178,14 +1308,32 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const { O << "\n\t" << TAI->getInlineAsmEnd() << "\n"; } +/// printImplicitDef - This method prints the specified machine instruction +/// that is an implicit def. +void AsmPrinter::printImplicitDef(const MachineInstr *MI) const { + O << "\t" << TAI->getCommentString() << " implicit-def: " + << TRI->getAsmName(MI->getOperand(0).getReg()) << "\n"; +} + /// printLabel - This method prints a local label used by debug and /// exception handling tables. void AsmPrinter::printLabel(const MachineInstr *MI) const { - O << "\n" - << TAI->getPrivateGlobalPrefix() - << "label" - << MI->getOperand(0).getImmedValue() - << ":\n"; + O << TAI->getPrivateGlobalPrefix() + << "label" << MI->getOperand(0).getImm() << ":\n"; +} + +void AsmPrinter::printLabel(unsigned Id) const { + O << TAI->getPrivateGlobalPrefix() << "label" << Id << ":\n"; +} + +/// printDeclare - This method prints a local variable declaration used by +/// debug tables. +/// FIXME: It doesn't really print anything rather it inserts a DebugVariable +/// entry into dwarf table. +void AsmPrinter::printDeclare(const MachineInstr *MI) const { + int FI = MI->getOperand(0).getIndex(); + GlobalValue *GV = MI->getOperand(1).getGlobal(); + MMI->RecordVariable(GV, FI); } /// PrintAsmOperand - Print the specified operand of MI, an INLINEASM @@ -1207,9 +1355,16 @@ bool AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, /// printBasicBlockLabel - This method prints the label for the specified /// MachineBasicBlock void AsmPrinter::printBasicBlockLabel(const MachineBasicBlock *MBB, + bool printAlign, bool printColon, bool printComment) const { - O << TAI->getPrivateGlobalPrefix() << "BB" << FunctionNumber << "_" + if (printAlign) { + unsigned Align = MBB->getAlignment(); + if (Align) + EmitAlignment(Log2_32(Align)); + } + + O << TAI->getPrivateGlobalPrefix() << "BB" << getFunctionNumber() << "_" << MBB->getNumber(); if (printColon) O << ':'; @@ -1218,29 +1373,29 @@ void AsmPrinter::printBasicBlockLabel(const MachineBasicBlock *MBB, << MBB->getBasicBlock()->getName(); } -/// printSetLabel - This method prints a set label for the specified -/// MachineBasicBlock -void AsmPrinter::printSetLabel(unsigned uid, - const MachineBasicBlock *MBB) const { +/// printPICJumpTableSetLabel - This method prints a set label for the +/// specified MachineBasicBlock for a jumptable entry. +void AsmPrinter::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); + printBasicBlockLabel(MBB, false, false, false); O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() << '_' << uid << '\n'; } -void AsmPrinter::printSetLabel(unsigned uid, unsigned uid2, - const MachineBasicBlock *MBB) const { +void AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2, + const MachineBasicBlock *MBB) const { if (!TAI->getSetDirective()) return; O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix() << getFunctionNumber() << '_' << uid << '_' << uid2 << "_set_" << MBB->getNumber() << ','; - printBasicBlockLabel(MBB, false, false); + printBasicBlockLabel(MBB, false, false, false); O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() << '_' << uid << '_' << uid2 << '\n'; } @@ -1283,3 +1438,10 @@ void AsmPrinter::printDataDirective(const Type *type) { } } +void AsmPrinter::printSuffixedName(std::string &Name, const char* Suffix) { + if (Name[0]=='\"') + O << "\"" << TAI->getPrivateGlobalPrefix() << + Name.substr(1, Name.length()-2) << Suffix << "\""; + else + O << TAI->getPrivateGlobalPrefix() << Name << Suffix; +}