#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/DwarfWriter.h"
#include "llvm/Analysis/DebugInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCSection.h"
+#include "llvm/MC/MCStreamer.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/Mangler.h"
-#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/ADT/SmallPtrSet.h"
cl::init(cl::BOU_UNSET));
char AsmPrinter::ID = 0;
-AsmPrinter::AsmPrinter(raw_ostream &o, TargetMachine &tm,
- const TargetAsmInfo *T, CodeGenOpt::Level OL, bool VDef)
- : MachineFunctionPass(&ID), FunctionNumber(0), OptLevel(OL), O(o),
+AsmPrinter::AsmPrinter(formatted_raw_ostream &o, TargetMachine &tm,
+ const TargetAsmInfo *T, bool VDef)
+ : MachineFunctionPass(&ID), FunctionNumber(0), O(o),
TM(tm), TAI(T), TRI(tm.getRegisterInfo()),
- IsInTextSection(false)
-{
+
+ OutContext(*new MCContext()),
+ OutStreamer(*createAsmStreamer(OutContext, O)),
+
+ LastMI(0), LastFn(0), Counter(~0U),
+ PrevDLT(0, ~0U, ~0U) {
+ CurrentSection = 0;
+ DW = 0; MMI = 0;
switch (AsmVerbose) {
case cl::BOU_UNSET: VerboseAsm = VDef; break;
case cl::BOU_TRUE: VerboseAsm = true; break;
for (gcp_iterator I = GCMetadataPrinters.begin(),
E = GCMetadataPrinters.end(); I != E; ++I)
delete I->second;
-}
-
-/// SwitchToTextSection - Switch to the specified text section of the executable
-/// if we are not already in it!
-///
-void AsmPrinter::SwitchToTextSection(const char *NewSection,
- const GlobalValue *GV) {
- std::string NS;
- if (GV && GV->hasSection())
- NS = TAI->getSwitchToSectionDirective() + GV->getSection();
- else
- NS = NewSection;
- // If we're already in this section, we're done.
- if (CurrentSection == NS) return;
-
- // Close the current section, if applicable.
- if (TAI->getSectionEndDirectiveSuffix() && !CurrentSection.empty())
- O << CurrentSection << TAI->getSectionEndDirectiveSuffix() << '\n';
-
- CurrentSection = NS;
-
- if (!CurrentSection.empty())
- O << CurrentSection << TAI->getTextSectionStartSuffix() << '\n';
+ delete &OutStreamer;
+ delete &OutContext;
+}
- IsInTextSection = true;
+TargetLoweringObjectFile &AsmPrinter::getObjFileLowering() const {
+ return TM.getTargetLowering()->getObjFileLowering();
}
-/// SwitchToDataSection - Switch to the specified data section of the executable
-/// if we are not already in it!
+/// SwitchToSection - Switch to the specified section of the executable if we
+/// are not already in it! If "NS" is null, then this causes us to exit the
+/// current section and not reenter another one. This is generally used for
+/// asmprinter hacks.
///
-void AsmPrinter::SwitchToDataSection(const char *NewSection,
- const GlobalValue *GV) {
- std::string NS;
- if (GV && GV->hasSection())
- NS = TAI->getSwitchToSectionDirective() + GV->getSection();
- else
- NS = NewSection;
-
+/// FIXME: Remove support for null sections.
+///
+void AsmPrinter::SwitchToSection(const MCSection *NS) {
// If we're already in this section, we're done.
if (CurrentSection == NS) return;
- // Close the current section, if applicable.
- if (TAI->getSectionEndDirectiveSuffix() && !CurrentSection.empty())
- O << CurrentSection << TAI->getSectionEndDirectiveSuffix() << '\n';
-
CurrentSection = NS;
-
- if (!CurrentSection.empty())
- O << CurrentSection << TAI->getDataSectionStartSuffix() << '\n';
-
- IsInTextSection = false;
-}
-
-/// SwitchToSection - Switch to the specified section of the executable if we
-/// are not already in it!
-void AsmPrinter::SwitchToSection(const Section* NS) {
- const std::string& NewSection = NS->getName();
- // If we're already in this section, we're done.
- if (CurrentSection == NewSection) return;
-
- // Close the current section, if applicable.
- if (TAI->getSectionEndDirectiveSuffix() && !CurrentSection.empty())
- O << CurrentSection << TAI->getSectionEndDirectiveSuffix() << '\n';
-
- // FIXME: Make CurrentSection a Section* in the future
- CurrentSection = NewSection;
- CurrentSection_ = NS;
-
- if (!CurrentSection.empty()) {
- // If section is named we need to switch into it via special '.section'
- // directive and also append funky flags. Otherwise - section name is just
- // some magic assembler directive.
- if (NS->isNamed())
- O << TAI->getSwitchToSectionDirective()
- << CurrentSection
- << TAI->getSectionFlags(NS->getFlags());
- else
- O << CurrentSection;
- O << TAI->getDataSectionStartSuffix() << '\n';
+ if (NS == 0) return;
+
+ // If section is named we need to switch into it via special '.section'
+ // directive and also append funky flags. Otherwise - section name is just
+ // some magic assembler directive.
+ if (!NS->isDirective()) {
+ SmallString<32> FlagsStr;
+ getObjFileLowering().getSectionFlagsAsString(NS->getKind(), FlagsStr);
+
+ O << TAI->getSwitchToSectionDirective()
+ << CurrentSection->getName() << FlagsStr.c_str() << '\n';
+ } else {
+ O << CurrentSection->getName() << '\n';
}
-
- IsInTextSection = (NS->getFlags() & SectionFlags::Code);
}
void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
MachineFunctionPass::getAnalysisUsage(AU);
AU.addRequired<GCModuleInfo>();
}
bool AsmPrinter::doInitialization(Module &M) {
- Mang = new Mangler(M, TAI->getGlobalPrefix(), TAI->getPrivateGlobalPrefix());
+ // Initialize TargetLoweringObjectFile.
+ const_cast<TargetLoweringObjectFile&>(getObjFileLowering())
+ .Initialize(OutContext, TM);
+
+ Mang = new Mangler(M, TAI->getGlobalPrefix(), TAI->getPrivateGlobalPrefix(),
+ TAI->getLinkerPrivateGlobalPrefix());
+
+ if (TAI->doesAllowQuotesInName())
+ Mang->setUseQuotes(true);
GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>();
assert(MI && "AsmPrinter didn't require GCModuleInfo?");
<< '\n' << TAI->getCommentString()
<< " End of file scope inline assembly\n";
- SwitchToDataSection(""); // Reset back to no section.
+ SwitchToSection(0); // Reset back to no section to close off sections.
- MachineModuleInfo *MMI = getAnalysisIfAvailable<MachineModuleInfo>();
- if (MMI) MMI->AnalyzeModule(M);
- DW = getAnalysisIfAvailable<DwarfWriter>();
+ if (TAI->doesSupportDebugInformation() ||
+ TAI->doesSupportExceptionHandling()) {
+ MMI = getAnalysisIfAvailable<MachineModuleInfo>();
+ if (MMI)
+ MMI->AnalyzeModule(M);
+ DW = getAnalysisIfAvailable<DwarfWriter>();
+ if (DW)
+ DW->BeginModule(&M, MMI, O, this, TAI);
+ }
+
return false;
}
bool AsmPrinter::doFinalization(Module &M) {
+ // Emit global variables.
+ for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
+ I != E; ++I)
+ PrintGlobalVariable(I);
+
+ // Emit final debug information.
+ if (TAI->doesSupportDebugInformation() || TAI->doesSupportExceptionHandling())
+ DW->EndModule();
+
+ // If the target wants to know about weak references, print them all.
if (TAI->getWeakRefDirective()) {
- if (!ExtWeakSymbols.empty())
- SwitchToDataSection("");
-
- for (std::set<const GlobalValue*>::iterator i = ExtWeakSymbols.begin(),
- e = ExtWeakSymbols.end(); i != e; ++i)
- O << TAI->getWeakRefDirective() << Mang->getValueName(*i) << '\n';
+ // FIXME: This is not lazy, it would be nice to only print weak references
+ // to stuff that is actually used. Note that doing so would require targets
+ // to notice uses in operands (due to constant exprs etc). This should
+ // happen with the MC stuff eventually.
+ SwitchToSection(0);
+
+ // 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->hasExternalWeakLinkage())
+ O << TAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n';
+ }
+
+ for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) {
+ if (I->hasExternalWeakLinkage())
+ O << TAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n';
+ }
}
if (TAI->getSetDirective()) {
- if (!M.alias_empty())
- SwitchToSection(TAI->getTextSection());
-
O << '\n';
for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
- I!=E; ++I) {
- std::string Name = Mang->getValueName(I);
- std::string Target;
+ I != E; ++I) {
+ std::string Name = Mang->getMangledName(I);
const GlobalValue *GV = cast<GlobalValue>(I->getAliasedGlobal());
- Target = Mang->getValueName(GV);
+ std::string Target = Mang->getMangledName(GV);
if (I->hasExternalLinkage() || !TAI->getWeakRefDirective())
O << "\t.globl\t" << Name << '\n';
else if (I->hasWeakLinkage())
O << TAI->getWeakRefDirective() << Name << '\n';
else if (!I->hasLocalLinkage())
- assert(0 && "Invalid alias linkage");
+ llvm_unreachable("Invalid alias linkage");
printVisibility(Name, I->getVisibility());
// 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");
+ Function *InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline");
if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty())
if (TAI->getNonexecutableStackDirective())
O << TAI->getNonexecutableStackDirective() << '\n';
delete Mang; Mang = 0;
+ DW = 0; MMI = 0;
+
+ OutStreamer.Finish();
return false;
}
-const std::string &
-AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF,
- std::string &Name) const {
+std::string
+AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF) const {
assert(MF && "No machine function?");
- Name = MF->getFunction()->getName();
- if (Name.empty())
- Name = Mang->getValueName(MF->getFunction());
- Name = Mang->makeNameProper(TAI->getEHGlobalPrefix() +
- Name + ".eh", TAI->getGlobalPrefix());
- return Name;
+ return Mang->getMangledName(MF->getFunction(), ".eh",
+ TAI->is_EHSymbolPrivate());
}
void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
// What's my mangled name?
- CurrentFnName = Mang->getValueName(MF.getFunction());
+ CurrentFnName = Mang->getMangledName(MF.getFunction());
IncrementFunctionNumber();
}
namespace {
// SectionCPs - Keep track the alignment, constpool entries per Section.
struct SectionCPs {
- const Section *S;
+ const MCSection *S;
unsigned Alignment;
SmallVector<unsigned, 4> CPEs;
- SectionCPs(const Section *s, unsigned a) : S(s), Alignment(a) {};
+ SectionCPs(const MCSection *s, unsigned a) : S(s), Alignment(a) {};
};
}
// the same section together to reduce amount of section switch statements.
SmallVector<SectionCPs, 4> CPSections;
for (unsigned i = 0, e = CP.size(); i != e; ++i) {
- MachineConstantPoolEntry CPE = CP[i];
+ const MachineConstantPoolEntry &CPE = CP[i];
unsigned Align = CPE.getAlignment();
- const Section* S = TAI->SelectSectionForMachineConst(CPE.getType());
+
+ SectionKind Kind;
+ switch (CPE.getRelocationInfo()) {
+ default: llvm_unreachable("Unknown section kind");
+ case 2: Kind = SectionKind::getReadOnlyWithRel(); break;
+ case 1:
+ Kind = SectionKind::getReadOnlyWithRelLocal();
+ break;
+ case 0:
+ switch (TM.getTargetData()->getTypeAllocSize(CPE.getType())) {
+ case 4: Kind = SectionKind::getMergeableConst4(); break;
+ case 8: Kind = SectionKind::getMergeableConst8(); break;
+ case 16: Kind = SectionKind::getMergeableConst16();break;
+ default: Kind = SectionKind::getMergeableConst(); break;
+ }
+ }
+
+ const MCSection *S = getObjFileLowering().getSectionForConstant(Kind);
+
// The number of sections are small, just do a linear search from the
// last section to the first.
bool Found = false;
// the appropriate section.
TargetLowering *LoweringInfo = TM.getTargetLowering();
- const char* JumpTableDataSection = TAI->getJumpTableDataSection();
const Function *F = MF.getFunction();
- unsigned SectionFlags = TAI->SectionFlagsForGlobal(F);
- if ((IsPic && !(LoweringInfo && LoweringInfo->usesGlobalOffsetTable())) ||
- !JumpTableDataSection ||
- SectionFlags & SectionFlags::Linkonce) {
+ bool JTInDiffSection = false;
+ if (F->isWeakForLinker() ||
+ (IsPic && !LoweringInfo->usesGlobalOffsetTable())) {
// In PIC mode, we need to emit the jump table to the same section as the
// function body itself, otherwise the label differences won't make sense.
// We should also do if the section name is NULL or function is declared in
// discardable section.
- SwitchToSection(TAI->SectionForGlobal(F));
+ SwitchToSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
} else {
- SwitchToDataSection(JumpTableDataSection);
+ // Otherwise, drop it in the readonly section.
+ const MCSection *ReadOnlySection =
+ getObjFileLowering().getSectionForConstant(SectionKind::getReadOnly());
+ SwitchToSection(ReadOnlySection);
+ JTInDiffSection = true;
}
EmitAlignment(Log2_32(MJTI->getAlignment()));
// before each jump table. The first label is never referenced, but tells
// the assembler and linker the extents of the jump table object. The
// second label is actually referenced by the code.
- if (const char *JTLabelPrefix = TAI->getJumpTableSpecialLabelPrefix())
- O << JTLabelPrefix << "JTI" << getFunctionNumber() << '_' << i << ":\n";
+ if (JTInDiffSection) {
+ if (const char *JTLabelPrefix = TAI->getJumpTableSpecialLabelPrefix())
+ O << JTLabelPrefix << "JTI" << getFunctionNumber() << '_' << i << ":\n";
+ }
O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << i << ":\n";
return true;
}
- // Ignore debug and non-emitted data.
+ // Ignore debug and non-emitted data. This handles llvm.compiler.used.
if (GV->getSection() == "llvm.metadata" ||
GV->hasAvailableExternallyLinkage())
return true;
const TargetData *TD = TM.getTargetData();
unsigned Align = Log2_32(TD->getPointerPrefAlignment());
if (GV->getName() == "llvm.global_ctors") {
- SwitchToDataSection(TAI->getStaticCtorsSection());
+ SwitchToSection(getObjFileLowering().getStaticCtorSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
return true;
}
if (GV->getName() == "llvm.global_dtors") {
- SwitchToDataSection(TAI->getStaticDtorsSection());
+ SwitchToSection(getObjFileLowering().getStaticDtorSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
return true;
return false;
}
-/// findGlobalValue - if CV is an expression equivalent to a single
-/// global value, return that value.
-const GlobalValue * AsmPrinter::findGlobalValue(const Constant *CV) {
- if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV))
- return GV;
- else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
- const TargetData *TD = TM.getTargetData();
- unsigned Opcode = CE->getOpcode();
- switch (Opcode) {
- case Instruction::GetElementPtr: {
- const Constant *ptrVal = CE->getOperand(0);
- SmallVector<Value*, 8> idxVec(CE->op_begin()+1, CE->op_end());
- if (TD->getIndexedOffset(ptrVal->getType(), &idxVec[0], idxVec.size()))
- return 0;
- return findGlobalValue(ptrVal);
- }
- case Instruction::BitCast:
- return findGlobalValue(CE->getOperand(0));
- default:
- return 0;
- }
- }
- return 0;
-}
-
/// EmitLLVMUsedList - For targets that define a TAI::UsedDirective, mark each
/// global in the specified llvm.used list for which emitUsedDirectiveFor
/// is true, as being used with this directive.
-
void AsmPrinter::EmitLLVMUsedList(Constant *List) {
const char *Directive = TAI->getUsedDirective();
- // Should be an array of 'sbyte*'.
+ // Should be an array of 'i8*'.
ConstantArray *InitList = dyn_cast<ConstantArray>(List);
if (InitList == 0) return;
for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
- const GlobalValue *GV = findGlobalValue(InitList->getOperand(i));
- if (TAI->emitUsedDirectiveFor(GV, Mang)) {
+ const GlobalValue *GV =
+ dyn_cast<GlobalValue>(InitList->getOperand(i)->stripPointerCasts());
+ if (GV && getObjFileLowering().shouldEmitUsedDirectiveFor(GV, Mang)) {
O << Directive;
EmitConstantValueOnly(InitList->getOperand(i));
O << '\n';
std::string &LinkName) const {
if (isa<Function>(GV)) {
LinkName += TAI->getFunctionAddrPrefix();
- LinkName += Mang->getValueName(GV);
+ LinkName += Mang->getMangledName(GV);
LinkName += TAI->getFunctionAddrSuffix();
} else {
LinkName += TAI->getGlobalVarAddrPrefix();
- LinkName += Mang->getValueName(GV);
+ LinkName += Mang->getMangledName(GV);
LinkName += TAI->getGlobalVarAddrSuffix();
}
/// printStringChar - Print a char, escaped if necessary.
///
-static void printStringChar(raw_ostream &O, unsigned char C) {
+static void printStringChar(formatted_raw_ostream &O, unsigned char C) {
if (C == '"') {
O << "\\\"";
} else if (C == '\\') {
if (TAI->getAlignmentIsInBytes()) NumBits = 1 << NumBits;
O << TAI->getAlignDirective() << NumBits;
- unsigned FillValue = TAI->getTextAlignFillValue();
- UseFillExpr &= IsInTextSection && FillValue;
- if (UseFillExpr) {
- O << ',';
- PrintHex(FillValue);
- }
+ if (CurrentSection && CurrentSection->getKind().isText())
+ if (unsigned FillValue = TAI->getTextAlignFillValue()) {
+ O << ',';
+ PrintHex(FillValue);
+ }
O << '\n';
}
+/// getOperandColumn - Return the output column number (zero-based)
+/// for operand % "operand." If TargetAsmInfo has FirstOperandColumn
+/// == 0 or MaxOperandLength == 0, return 0, meaning column alignment
+/// is disabled.
+unsigned AsmPrinter::getOperandColumn(int operand) const {
+ if (TAI->getFirstOperandColumn() > 0 && TAI->getMaxOperandLength() > 0)
+ return TAI->getFirstOperandColumn() +
+ (TAI->getMaxOperandLength()+1)*(operand-1);
+ return 0;
+}
+/// PadToColumn - This gets called every time a tab is emitted. If
+/// column padding is turned on, we replace the tab with the
+/// appropriate amount of padding. If not, we replace the tab with a
+/// space, except for the first operand so that initial operands are
+/// always lined up by tabs.
+void AsmPrinter::PadToColumn(unsigned Operand) const {
+ if (getOperandColumn(Operand) > 0) {
+ O.PadToColumn(getOperandColumn(Operand), 1);
+ }
+ else {
+ if (Operand == 1) {
+ // Emit the tab after the mnemonic.
+ O << '\t';
+ }
+ else {
+ // Replace the tab with a space.
+ O << ' ';
+ }
+ }
+}
+
/// EmitZeros - Emit a block of zeros.
///
void AsmPrinter::EmitZeros(uint64_t NumZeros, unsigned AddrSpace) const {
// FunctionAddrPrefix/Suffix (these all default to "" )
if (isa<Function>(GV)) {
O << TAI->getFunctionAddrPrefix()
- << Mang->getValueName(GV)
+ << Mang->getMangledName(GV)
<< TAI->getFunctionAddrSuffix();
} else {
O << TAI->getGlobalVarAddrPrefix()
- << Mang->getValueName(GV)
+ << Mang->getMangledName(GV)
<< TAI->getGlobalVarAddrSuffix();
}
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
const TargetData *TD = TM.getTargetData();
unsigned Opcode = CE->getOpcode();
switch (Opcode) {
+ case Instruction::Trunc:
+ case Instruction::ZExt:
+ case Instruction::SExt:
+ case Instruction::FPTrunc:
+ case Instruction::FPExt:
+ case Instruction::UIToFP:
+ case Instruction::SIToFP:
+ case Instruction::FPToUI:
+ case Instruction::FPToSI:
+ llvm_unreachable("FIXME: Don't support this constant cast expr");
case Instruction::GetElementPtr: {
// generate a symbolic expression for the byte address
const Constant *ptrVal = CE->getOperand(0);
}
break;
}
- case Instruction::Trunc:
- case Instruction::ZExt:
- case Instruction::SExt:
- case Instruction::FPTrunc:
- case Instruction::FPExt:
- case Instruction::UIToFP:
- case Instruction::SIToFP:
- case Instruction::FPToUI:
- case Instruction::FPToSI:
- assert(0 && "FIXME: Don't yet support this kind of constant cast expr");
- break;
case Instruction::BitCast:
return EmitConstantValueOnly(CE->getOperand(0));
// 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 (TD->getTypeAllocSize(Ty) >= TD->getTypeAllocSize(Op->getType()))
+ if (TD->getTypeAllocSize(Ty) == TD->getTypeAllocSize(Op->getType()))
return EmitConstantValueOnly(Op);
O << "((";
EmitConstantValueOnly(Op);
- APInt ptrMask = APInt::getAllOnesValue(TD->getTypeAllocSizeInBits(Ty));
+ APInt ptrMask =
+ APInt::getAllOnesValue(TD->getTypeAllocSizeInBits(Op->getType()));
SmallString<40> S;
ptrMask.toStringUnsigned(S);
O << ')';
break;
default:
- assert(0 && "Unsupported operator!");
+ llvm_unreachable("Unsupported operator!");
}
} else {
- assert(0 && "Unknown constant value!");
+ llvm_unreachable("Unknown constant value!");
}
}
/// printAsCString - Print the specified array as a C compatible string, only if
/// the predicate isString is true.
///
-static void printAsCString(raw_ostream &O, const ConstantArray *CVA,
+static void printAsCString(formatted_raw_ostream &O, const ConstantArray *CVA,
unsigned LastElt) {
assert(CVA->isString() && "Array is not string compatible!");
O << '\n';
}
return;
- } else assert(0 && "Floating point constant type not handled");
+ } else llvm_unreachable("Floating point constant type not handled");
}
void AsmPrinter::EmitGlobalConstantLargeInt(const ConstantInt *CI,
void AsmPrinter::EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) {
// Target doesn't support this yet!
- abort();
+ llvm_unreachable("Target does not support EmitMachineConstantPoolValue");
}
/// PrintSpecial - Print information related to the specified machine instr
if (VerboseAsm)
O << TAI->getCommentString();
} else if (!strcmp(Code, "uid")) {
- // Assign a unique ID to this machine instruction.
- static const MachineInstr *LastMI = 0;
- static const Function *F = 0;
- static unsigned Counter = 0U-1;
-
// Comparing the address of MI isn't sufficient, because machineinstrs may
// be allocated to the same address across functions.
const Function *ThisF = MI->getParent()->getParent()->getFunction();
- // If this is a new machine instruction, bump the counter.
- if (LastMI != MI || F != ThisF) {
+ // If this is a new LastFn instruction, bump the counter.
+ if (LastMI != MI || LastFn != ThisF) {
++Counter;
LastMI = MI;
- F = ThisF;
+ LastFn = ThisF;
}
O << Counter;
} else {
- cerr << "Unknown special formatter '" << Code
+ std::string msg;
+ raw_string_ostream Msg(msg);
+ Msg << "Unknown special formatter '" << Code
<< "' for machine instr: " << *MI;
- exit(1);
+ llvm_report_error(Msg.str());
}
}
/// processDebugLoc - Processes the debug information of each machine
/// instruction's DebugLoc.
void AsmPrinter::processDebugLoc(DebugLoc DL) {
+ if (!TAI || !DW)
+ return;
+
if (TAI->doesSupportDebugInformation() && DW->ShouldEmitDwarfDebug()) {
if (!DL.isUnknown()) {
- static DebugLocTuple PrevDLT(0, ~0U, ~0U);
DebugLocTuple CurDLT = MF->getDebugLocTuple(DL);
if (CurDLT.CompileUnit != 0 && PrevDLT != CurDLT)
case '(': // $( -> same as GCC's { character.
++LastEmitted; // Consume '(' character.
if (CurVariant != -1) {
- cerr << "Nested variants found in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Nested variants found in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
CurVariant = 0; // We're in the first variant now.
break;
const char *StrStart = LastEmitted;
const char *StrEnd = strchr(StrStart, '}');
if (StrEnd == 0) {
- cerr << "Unterminated ${:foo} operand in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Unterminated ${:foo} operand in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
std::string Val(StrStart, StrEnd);
errno = 0;
long Val = strtol(IDStart, &IDEnd, 10); // We only accept numbers for IDs.
if (!isdigit(*IDStart) || (Val == 0 && errno == EINVAL)) {
- cerr << "Bad $ operand number in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Bad $ operand number in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
LastEmitted = IDEnd;
if (*LastEmitted == ':') {
++LastEmitted; // Consume ':' character.
if (*LastEmitted == 0) {
- cerr << "Bad ${:} expression in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Bad ${:} expression in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
Modifier[0] = *LastEmitted;
}
if (*LastEmitted != '}') {
- cerr << "Bad ${} expression in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Bad ${} expression in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
++LastEmitted; // Consume '}' character.
}
if ((unsigned)Val >= NumOperands-1) {
- cerr << "Invalid $ operand number in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Invalid $ operand number in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
// Okay, we finally have a value number. Ask the target to print this
}
}
if (Error) {
- cerr << "Invalid operand found in inline asm: '"
+ std::string msg;
+ raw_string_ostream Msg(msg);
+ Msg << "Invalid operand found in inline asm: '"
<< AsmStr << "'\n";
- MI->dump();
- exit(1);
+ MI->print(Msg);
+ llvm_report_error(Msg.str());
}
}
break;
O << ':';
if (printComment && MBB->getBasicBlock())
O << '\t' << TAI->getCommentString() << ' '
- << MBB->getBasicBlock()->getNameStart();
+ << MBB->getBasicBlock()->getNameStr();
}
/// printPICJumpTableSetLabel - This method prints a set label for the
void AsmPrinter::printDataDirective(const Type *type, unsigned AddrSpace) {
const TargetData *TD = TM.getTargetData();
switch (type->getTypeID()) {
+ case Type::FloatTyID: case Type::DoubleTyID:
+ case Type::X86_FP80TyID: case Type::FP128TyID: case Type::PPC_FP128TyID:
+ assert(0 && "Should have already output floating point constant.");
+ default:
+ assert(0 && "Can't handle printing this type of thing");
case Type::IntegerTyID: {
unsigned BitWidth = cast<IntegerType>(type)->getBitWidth();
if (BitWidth <= 8)
"Target cannot handle 64-bit constant exprs!");
O << TAI->getData64bitsDirective(AddrSpace);
} else {
- assert(0 && "Target cannot handle given data directive width!");
+ llvm_unreachable("Target cannot handle given data directive width!");
}
break;
}
O << TAI->getData32bitsDirective(AddrSpace);
}
break;
- case Type::FloatTyID: case Type::DoubleTyID:
- case Type::X86_FP80TyID: case Type::FP128TyID: case Type::PPC_FP128TyID:
- assert (0 && "Should have already output floating point constant.");
- default:
- assert (0 && "Can't handle printing this type of thing");
- break;
}
}
-void AsmPrinter::printSuffixedName(const char *Name, const char *Suffix,
- const char *Prefix) {
- if (Name[0]=='\"')
- O << '\"';
- O << TAI->getPrivateGlobalPrefix();
- if (Prefix) O << Prefix;
- if (Name[0]=='\"')
- O << '\"';
- if (Name[0]=='\"')
- O << Name[1];
- else
- O << Name;
- O << Suffix;
- if (Name[0]=='\"')
- O << '\"';
-}
-
-void AsmPrinter::printSuffixedName(const std::string &Name, const char* Suffix) {
- printSuffixedName(Name.c_str(), Suffix);
-}
-
void AsmPrinter::printVisibility(const std::string& Name,
unsigned Visibility) const {
if (Visibility == GlobalValue::HiddenVisibility) {
}
cerr << "no GCMetadataPrinter registered for GC: " << Name << "\n";
- abort();
+ llvm_unreachable(0);
+}
+
+/// EmitComments - Pretty-print comments for instructions
+void AsmPrinter::EmitComments(const MachineInstr &MI) const
+{
+ if (VerboseAsm) {
+ if (!MI.getDebugLoc().isUnknown()) {
+ DebugLocTuple DLT = MF->getDebugLocTuple(MI.getDebugLoc());
+
+ // Print source line info
+ O.PadToColumn(TAI->getCommentColumn(), 1);
+ O << TAI->getCommentString() << " SrcLine ";
+ if (DLT.CompileUnit->hasInitializer()) {
+ Constant *Name = DLT.CompileUnit->getInitializer();
+ if (ConstantArray *NameString = dyn_cast<ConstantArray>(Name))
+ if (NameString->isString()) {
+ O << NameString->getAsString() << " ";
+ }
+ }
+ O << DLT.Line;
+ if (DLT.Col != 0)
+ O << ":" << DLT.Col;
+ }
+ }
+}
+
+/// EmitComments - Pretty-print comments for instructions
+void AsmPrinter::EmitComments(const MCInst &MI) const
+{
+ if (VerboseAsm) {
+ if (!MI.getDebugLoc().isUnknown()) {
+ DebugLocTuple DLT = MF->getDebugLocTuple(MI.getDebugLoc());
+
+ // Print source line info
+ O.PadToColumn(TAI->getCommentColumn(), 1);
+ O << TAI->getCommentString() << " SrcLine ";
+ if (DLT.CompileUnit->hasInitializer()) {
+ Constant *Name = DLT.CompileUnit->getInitializer();
+ if (ConstantArray *NameString = dyn_cast<ConstantArray>(Name))
+ if (NameString->isString()) {
+ O << NameString->getAsString() << " ";
+ }
+ }
+ O << DLT.Line;
+ if (DLT.Col != 0)
+ O << ":" << DLT.Col;
+ }
+ }
}
projects / oota-llvm.git / blobdiff