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-rw-r--r--lib/CodeGen/AsmPrinter/AsmPrinter.cpp1194
1 files changed, 653 insertions, 541 deletions
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 6d12581..8bc5ef9 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -18,16 +18,25 @@
#include "llvm/Module.h"
#include "llvm/CodeGen/GCMetadataPrinter.h"
#include "llvm/CodeGen/MachineConstantPool.h"
+#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/CodeGen/MachineLoopInfo.h"
#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/MC/MCSymbol.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/MC/MCAsmInfo.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"
@@ -41,12 +50,17 @@ AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
cl::init(cl::BOU_UNSET));
char AsmPrinter::ID = 0;
-AsmPrinter::AsmPrinter(raw_ostream &o, TargetMachine &tm,
- const TargetAsmInfo *T, bool VDef)
+AsmPrinter::AsmPrinter(formatted_raw_ostream &o, TargetMachine &tm,
+ const MCAsmInfo *T, bool VDef)
: MachineFunctionPass(&ID), FunctionNumber(0), O(o),
- TM(tm), TAI(T), TRI(tm.getRegisterInfo()),
- IsInTextSection(false), LastMI(0), LastFn(0), Counter(~0U),
- PrevDLT(0, ~0U, ~0U) {
+ TM(tm), MAI(T), TRI(tm.getRegisterInfo()),
+
+ OutContext(*new MCContext()),
+ // FIXME: Pass instprinter to streamer.
+ OutStreamer(*createAsmStreamer(OutContext, O, *T, 0)),
+
+ LastMI(0), LastFn(0), Counter(~0U),
+ PrevDLT(0, 0, ~0U, ~0U) {
DW = 0; MMI = 0;
switch (AsmVerbose) {
case cl::BOU_UNSET: VerboseAsm = VDef; break;
@@ -59,188 +73,124 @@ AsmPrinter::~AsmPrinter() {
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';
-
- IsInTextSection = true;
+ delete &OutStreamer;
+ delete &OutContext;
}
-/// SwitchToDataSection - Switch to the specified data section of the executable
-/// if we are not already in it!
-///
-void AsmPrinter::SwitchToDataSection(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->getDataSectionStartSuffix() << '\n';
-
- IsInTextSection = false;
+TargetLoweringObjectFile &AsmPrinter::getObjFileLowering() const {
+ return TM.getTargetLowering()->getObjFileLowering();
}
-/// 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';
- }
-
- IsInTextSection = (NS->getFlags() & SectionFlags::Code);
+/// getCurrentSection() - Return the current section we are emitting to.
+const MCSection *AsmPrinter::getCurrentSection() const {
+ return OutStreamer.getCurrentSection();
}
+
void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
MachineFunctionPass::getAnalysisUsage(AU);
AU.addRequired<GCModuleInfo>();
+ if (VerboseAsm)
+ AU.addRequired<MachineLoopInfo>();
}
bool AsmPrinter::doInitialization(Module &M) {
- Mang = new Mangler(M, TAI->getGlobalPrefix(), TAI->getPrivateGlobalPrefix());
+ // Initialize TargetLoweringObjectFile.
+ const_cast<TargetLoweringObjectFile&>(getObjFileLowering())
+ .Initialize(OutContext, TM);
- if (TAI->doesAllowQuotesInName())
+ Mang = new Mangler(M, MAI->getGlobalPrefix(), MAI->getPrivateGlobalPrefix(),
+ MAI->getLinkerPrivateGlobalPrefix());
+
+ if (MAI->doesAllowQuotesInName())
Mang->setUseQuotes(true);
+
+ if (MAI->doesAllowNameToStartWithDigit())
+ Mang->setSymbolsCanStartWithDigit(true);
- GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>();
- assert(MI && "AsmPrinter didn't require GCModuleInfo?");
+ // Allow the target to emit any magic that it wants at the start of the file.
+ EmitStartOfAsmFile(M);
- if (TAI->hasSingleParameterDotFile()) {
+ if (MAI->hasSingleParameterDotFile()) {
/* Very minimal debug info. It is ignored if we emit actual
- debug info. If we don't, this at helps the user find where
+ debug info. If we don't, this at least helps the user find where
a function came from. */
O << "\t.file\t\"" << M.getModuleIdentifier() << "\"\n";
}
+ GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>();
+ assert(MI && "AsmPrinter didn't require GCModuleInfo?");
for (GCModuleInfo::iterator I = MI->begin(), E = MI->end(); I != E; ++I)
if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*I))
- MP->beginAssembly(O, *this, *TAI);
+ MP->beginAssembly(O, *this, *MAI);
if (!M.getModuleInlineAsm().empty())
- O << TAI->getCommentString() << " Start of file scope inline assembly\n"
+ O << MAI->getCommentString() << " Start of file scope inline assembly\n"
<< M.getModuleInlineAsm()
- << '\n' << TAI->getCommentString()
+ << '\n' << MAI->getCommentString()
<< " End of file scope inline assembly\n";
- SwitchToDataSection(""); // Reset back to no section.
-
- 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);
- }
+ MMI = getAnalysisIfAvailable<MachineModuleInfo>();
+ if (MMI)
+ MMI->AnalyzeModule(M);
+ DW = getAnalysisIfAvailable<DwarfWriter>();
+ if (DW)
+ DW->BeginModule(&M, MMI, O, this, MAI);
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())
+ if (MAI->doesSupportDebugInformation() || MAI->doesSupportExceptionHandling())
DW->EndModule();
// If the target wants to know about weak references, print them all.
- if (TAI->getWeakRefDirective()) {
+ if (MAI->getWeakRefDirective()) {
// 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.
- SwitchToDataSection("");
// 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->getValueName(I) << '\n';
+ O << MAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n';
}
- for (Module::const_iterator I = M.begin(), E = M.end();
- I != E; ++I) {
+ for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) {
if (I->hasExternalWeakLinkage())
- O << TAI->getWeakRefDirective() << Mang->getValueName(I) << '\n';
+ O << MAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n';
}
}
- if (TAI->getSetDirective()) {
- if (!M.alias_empty())
- SwitchToSection(TAI->getTextSection());
-
+ if (MAI->getSetDirective()) {
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;
+ 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())
+ if (I->hasExternalLinkage() || !MAI->getWeakRefDirective())
O << "\t.globl\t" << Name << '\n';
else if (I->hasWeakLinkage())
- O << TAI->getWeakRefDirective() << Name << '\n';
+ O << MAI->getWeakRefDirective() << Name << '\n';
else if (!I->hasLocalLinkage())
- assert(0 && "Invalid alias linkage");
+ llvm_unreachable("Invalid alias linkage");
printVisibility(Name, I->getVisibility());
- O << TAI->getSetDirective() << ' ' << Name << ", " << Target << '\n';
+ O << MAI->getSetDirective() << ' ' << Name << ", " << Target << '\n';
}
}
@@ -248,45 +198,43 @@ bool AsmPrinter::doFinalization(Module &M) {
assert(MI && "AsmPrinter didn't require GCModuleInfo?");
for (GCModuleInfo::iterator I = MI->end(), E = MI->begin(); I != E; )
if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*--I))
- MP->finishAssembly(O, *this, *TAI);
+ MP->finishAssembly(O, *this, *MAI);
// 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';
+ if (MAI->getNonexecutableStackDirective())
+ O << MAI->getNonexecutableStackDirective() << '\n';
+
+ // Allow the target to emit any magic that it wants at the end of the file,
+ // after everything else has gone out.
+ EmitEndOfAsmFile(M);
+
delete Mang; Mang = 0;
DW = 0; MMI = 0;
+
+ OutStreamer.Finish();
return false;
}
-const std::string &
-AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF,
- std::string &Name) 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;
-}
-
void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
// What's my mangled name?
- CurrentFnName = Mang->getValueName(MF.getFunction());
+ CurrentFnName = Mang->getMangledName(MF.getFunction());
IncrementFunctionNumber();
+
+ if (VerboseAsm)
+ LI = &getAnalysis<MachineLoopInfo>();
}
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) {};
};
}
@@ -303,9 +251,27 @@ void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
// 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;
@@ -328,7 +294,7 @@ void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
// Now print stuff into the calculated sections.
for (unsigned i = 0, e = CPSections.size(); i != e; ++i) {
- SwitchToSection(CPSections[i].S);
+ OutStreamer.SwitchSection(CPSections[i].S);
EmitAlignment(Log2_32(CPSections[i].Alignment));
unsigned Offset = 0;
@@ -344,11 +310,12 @@ void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
const Type *Ty = CPE.getType();
Offset = NewOffset + TM.getTargetData()->getTypeAllocSize(Ty);
- O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
- << CPI << ":\t\t\t\t\t";
+ O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
+ << CPI << ':';
if (VerboseAsm) {
- O << TAI->getCommentString() << ' ';
- WriteTypeSymbolic(O, CPE.getType(), 0);
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " constant ";
+ WriteTypeSymbolic(O, CPE.getType(), MF->getFunction()->getParent());
}
O << '\n';
if (CPE.isMachineConstantPoolEntry())
@@ -373,20 +340,21 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
// the appropriate section.
TargetLowering *LoweringInfo = TM.getTargetLowering();
- const char* JumpTableDataSection = TAI->getJumpTableDataSection();
const Function *F = MF.getFunction();
- unsigned SectionFlags = TAI->SectionFlagsForGlobal(F);
bool JTInDiffSection = false;
- if ((IsPic && !(LoweringInfo && LoweringInfo->usesGlobalOffsetTable())) ||
- !JumpTableDataSection ||
- SectionFlags & SectionFlags::Linkonce) {
+ 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));
+ OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang,
+ TM));
} else {
- SwitchToDataSection(JumpTableDataSection);
+ // Otherwise, drop it in the readonly section.
+ const MCSection *ReadOnlySection =
+ getObjFileLowering().getSectionForConstant(SectionKind::getReadOnly());
+ OutStreamer.SwitchSection(ReadOnlySection);
JTInDiffSection = true;
}
@@ -402,21 +370,21 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
// the number of relocations the assembler will generate for the jump table.
// Set directives are all printed before the jump table itself.
SmallPtrSet<MachineBasicBlock*, 16> EmittedSets;
- if (TAI->getSetDirective() && IsPic)
+ if (MAI->getSetDirective() && IsPic)
for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii)
if (EmittedSets.insert(JTBBs[ii]))
printPICJumpTableSetLabel(i, JTBBs[ii]);
- // On some targets (e.g. darwin) we want to emit two consequtive labels
+ // 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
// the assembler and linker the extents of the jump table object. The
// second label is actually referenced by the code.
- if (JTInDiffSection) {
- if (const char *JTLabelPrefix = TAI->getJumpTableSpecialLabelPrefix())
- O << JTLabelPrefix << "JTI" << getFunctionNumber() << '_' << i << ":\n";
+ if (JTInDiffSection && MAI->getLinkerPrivateGlobalPrefix()[0]) {
+ O << MAI->getLinkerPrivateGlobalPrefix()
+ << "JTI" << getFunctionNumber() << '_' << i << ":\n";
}
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << i << ":\n";
for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) {
@@ -429,15 +397,15 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
const MachineBasicBlock *MBB,
unsigned uid) const {
- bool IsPic = TM.getRelocationModel() == Reloc::PIC_;
+ bool isPIC = TM.getRelocationModel() == Reloc::PIC_;
// Use JumpTableDirective otherwise honor the entry size from the jump table
// info.
- const char *JTEntryDirective = TAI->getJumpTableDirective();
+ const char *JTEntryDirective = MAI->getJumpTableDirective(isPIC);
bool HadJTEntryDirective = JTEntryDirective != NULL;
if (!HadJTEntryDirective) {
JTEntryDirective = MJTI->getEntrySize() == 4 ?
- TAI->getData32bitsDirective() : TAI->getData64bitsDirective();
+ MAI->getData32bitsDirective() : MAI->getData64bitsDirective();
}
O << JTEntryDirective << ' ';
@@ -447,20 +415,18 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
// 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;
- }
+ if (!isPIC) {
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ } else if (MAI->getSetDirective()) {
+ O << MAI->getPrivateGlobalPrefix() << getFunctionNumber()
+ << '_' << uid << "_set_" << MBB->getNumber();
} else {
- printBasicBlockLabel(MBB, false, false, false);
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ // If the arch uses custom Jump Table directives, don't calc relative to
+ // JT
+ if (!HadJTEntryDirective)
+ O << '-' << MAI->getPrivateGlobalPrefix() << "JTI"
+ << getFunctionNumber() << '_' << uid;
}
}
@@ -470,12 +436,12 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
/// do nothing and return false.
bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
if (GV->getName() == "llvm.used") {
- if (TAI->getUsedDirective() != 0) // No need to emit this at all.
+ if (MAI->getUsedDirective() != 0) // No need to emit this at all.
EmitLLVMUsedList(GV->getInitializer());
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;
@@ -487,14 +453,14 @@ bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
const TargetData *TD = TM.getTargetData();
unsigned Align = Log2_32(TD->getPointerPrefAlignment());
if (GV->getName() == "llvm.global_ctors") {
- SwitchToDataSection(TAI->getStaticCtorsSection());
+ OutStreamer.SwitchSection(getObjFileLowering().getStaticCtorSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
return true;
}
if (GV->getName() == "llvm.global_dtors") {
- SwitchToDataSection(TAI->getStaticDtorsSection());
+ OutStreamer.SwitchSection(getObjFileLowering().getStaticDtorSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
return true;
@@ -503,45 +469,20 @@ bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
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
+/// EmitLLVMUsedList - For targets that define a MAI::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();
+ const char *Directive = MAI->getUsedDirective();
// 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';
@@ -567,32 +508,6 @@ void AsmPrinter::EmitXXStructorList(Constant *List) {
}
}
-/// getGlobalLinkName - Returns the asm/link name of of the specified
-/// global variable. Should be overridden by each target asm printer to
-/// generate the appropriate value.
-const std::string &AsmPrinter::getGlobalLinkName(const GlobalVariable *GV,
- std::string &LinkName) const {
- if (isa<Function>(GV)) {
- LinkName += TAI->getFunctionAddrPrefix();
- LinkName += Mang->getValueName(GV);
- LinkName += TAI->getFunctionAddrSuffix();
- } else {
- LinkName += TAI->getGlobalVarAddrPrefix();
- LinkName += Mang->getValueName(GV);
- LinkName += TAI->getGlobalVarAddrSuffix();
- }
-
- return LinkName;
-}
-
-/// EmitExternalGlobal - Emit the external reference to a global variable.
-/// Should be overridden if an indirect reference should be used.
-void AsmPrinter::EmitExternalGlobal(const GlobalVariable *GV) {
- std::string GLN;
- O << getGlobalLinkName(GV, GLN);
-}
-
-
//===----------------------------------------------------------------------===//
/// LEB 128 number encoding.
@@ -646,8 +561,8 @@ void AsmPrinter::EOL() const {
void AsmPrinter::EOL(const std::string &Comment) const {
if (VerboseAsm && !Comment.empty()) {
- O << '\t'
- << TAI->getCommentString()
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
<< ' '
<< Comment;
}
@@ -656,22 +571,72 @@ void AsmPrinter::EOL(const std::string &Comment) const {
void AsmPrinter::EOL(const char* Comment) const {
if (VerboseAsm && *Comment) {
- O << '\t'
- << TAI->getCommentString()
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
<< ' '
<< Comment;
}
O << '\n';
}
+static const char *DecodeDWARFEncoding(unsigned Encoding) {
+ switch (Encoding) {
+ case dwarf::DW_EH_PE_absptr:
+ return "absptr";
+ case dwarf::DW_EH_PE_omit:
+ return "omit";
+ case dwarf::DW_EH_PE_pcrel:
+ return "pcrel";
+ case dwarf::DW_EH_PE_udata4:
+ return "udata4";
+ case dwarf::DW_EH_PE_udata8:
+ return "udata8";
+ case dwarf::DW_EH_PE_sdata4:
+ return "sdata4";
+ case dwarf::DW_EH_PE_sdata8:
+ return "sdata8";
+ case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4:
+ return "pcrel udata4";
+ case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4:
+ return "pcrel sdata4";
+ case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8:
+ return "pcrel udata8";
+ case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8:
+ return "pcrel sdata8";
+ case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata4:
+ return "indirect pcrel udata4";
+ case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata4:
+ return "indirect pcrel sdata4";
+ case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata8:
+ return "indirect pcrel udata8";
+ case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata8:
+ return "indirect pcrel sdata8";
+ }
+
+ return 0;
+}
+
+void AsmPrinter::EOL(const char *Comment, unsigned Encoding) const {
+ if (VerboseAsm && *Comment) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << ' '
+ << Comment;
+
+ if (const char *EncStr = DecodeDWARFEncoding(Encoding))
+ O << " (" << EncStr << ')';
+ }
+ O << '\n';
+}
+
/// EmitULEB128Bytes - Emit an assembler byte data directive to compose an
/// unsigned leb128 value.
void AsmPrinter::EmitULEB128Bytes(unsigned Value) const {
- if (TAI->hasLEB128()) {
+ if (MAI->hasLEB128()) {
O << "\t.uleb128\t"
<< Value;
} else {
- O << TAI->getData8bitsDirective();
+ O << MAI->getData8bitsDirective();
PrintULEB128(Value);
}
}
@@ -679,11 +644,11 @@ void AsmPrinter::EmitULEB128Bytes(unsigned Value) const {
/// EmitSLEB128Bytes - print an assembler byte data directive to compose a
/// signed leb128 value.
void AsmPrinter::EmitSLEB128Bytes(int Value) const {
- if (TAI->hasLEB128()) {
+ if (MAI->hasLEB128()) {
O << "\t.sleb128\t"
<< Value;
} else {
- O << TAI->getData8bitsDirective();
+ O << MAI->getData8bitsDirective();
PrintSLEB128(Value);
}
}
@@ -691,29 +656,29 @@ void AsmPrinter::EmitSLEB128Bytes(int Value) const {
/// EmitInt8 - Emit a byte directive and value.
///
void AsmPrinter::EmitInt8(int Value) const {
- O << TAI->getData8bitsDirective();
+ O << MAI->getData8bitsDirective();
PrintHex(Value & 0xFF);
}
/// EmitInt16 - Emit a short directive and value.
///
void AsmPrinter::EmitInt16(int Value) const {
- O << TAI->getData16bitsDirective();
+ O << MAI->getData16bitsDirective();
PrintHex(Value & 0xFFFF);
}
/// EmitInt32 - Emit a long directive and value.
///
void AsmPrinter::EmitInt32(int Value) const {
- O << TAI->getData32bitsDirective();
+ O << MAI->getData32bitsDirective();
PrintHex(Value);
}
/// EmitInt64 - Emit a long long directive and value.
///
void AsmPrinter::EmitInt64(uint64_t Value) const {
- if (TAI->getData64bitsDirective()) {
- O << TAI->getData64bitsDirective();
+ if (MAI->getData64bitsDirective()) {
+ O << MAI->getData64bitsDirective();
PrintHex(Value);
} else {
if (TM.getTargetData()->isBigEndian()) {
@@ -734,7 +699,7 @@ static inline char toOctal(int X) {
/// 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 == '\\') {
@@ -766,11 +731,11 @@ void AsmPrinter::EmitString(const std::string &String) const {
}
void AsmPrinter::EmitString(const char *String, unsigned Size) const {
- const char* AscizDirective = TAI->getAscizDirective();
+ const char* AscizDirective = MAI->getAscizDirective();
if (AscizDirective)
O << AscizDirective;
else
- O << TAI->getAsciiDirective();
+ O << MAI->getAsciiDirective();
O << '\"';
for (unsigned i = 0; i < Size; ++i)
printStringChar(O, String[i]);
@@ -813,31 +778,26 @@ void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV,
NumBits = std::max(NumBits, ForcedAlignBits);
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 << ',';
- PrintHex(FillValue);
- }
- O << '\n';
+
+ unsigned FillValue = 0;
+ if (getCurrentSection()->getKind().isText())
+ FillValue = MAI->getTextAlignFillValue();
+
+ OutStreamer.EmitValueToAlignment(1 << NumBits, FillValue, 1, 0);
}
-
/// EmitZeros - Emit a block of zeros.
///
void AsmPrinter::EmitZeros(uint64_t NumZeros, unsigned AddrSpace) const {
if (NumZeros) {
- if (TAI->getZeroDirective()) {
- O << TAI->getZeroDirective() << NumZeros;
- if (TAI->getZeroDirectiveSuffix())
- O << TAI->getZeroDirectiveSuffix();
+ if (MAI->getZeroDirective()) {
+ O << MAI->getZeroDirective() << NumZeros;
+ if (MAI->getZeroDirectiveSuffix())
+ O << MAI->getZeroDirectiveSuffix();
O << '\n';
} else {
for (; NumZeros; --NumZeros)
- O << TAI->getData8bitsDirective(AddrSpace) << "0\n";
+ O << MAI->getData8bitsDirective(AddrSpace) << "0\n";
}
}
}
@@ -851,22 +811,22 @@ void AsmPrinter::EmitConstantValueOnly(const Constant *CV) {
O << CI->getZExtValue();
} else if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV)) {
// This is a constant address for a global variable or function. Use the
- // name of the variable or function as the address value, possibly
- // decorating it with GlobalVarAddrPrefix/Suffix or
- // FunctionAddrPrefix/Suffix (these all default to "" )
- if (isa<Function>(GV)) {
- O << TAI->getFunctionAddrPrefix()
- << Mang->getValueName(GV)
- << TAI->getFunctionAddrSuffix();
- } else {
- O << TAI->getGlobalVarAddrPrefix()
- << Mang->getValueName(GV)
- << TAI->getGlobalVarAddrSuffix();
- }
+ // name of the variable or function as the address value.
+ O << Mang->getMangledName(GV);
} 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);
@@ -891,17 +851,6 @@ void AsmPrinter::EmitConstantValueOnly(const Constant *CV) {
}
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));
@@ -909,7 +858,8 @@ void AsmPrinter::EmitConstantValueOnly(const Constant *CV) {
// Handle casts to pointers by changing them into casts to the appropriate
// integer type. This promotes constant folding and simplifies this code.
Constant *Op = CE->getOperand(0);
- Op = ConstantExpr::getIntegerCast(Op, TD->getIntPtrType(), false/*ZExt*/);
+ Op = ConstantExpr::getIntegerCast(Op, TD->getIntPtrType(CV->getContext()),
+ false/*ZExt*/);
return EmitConstantValueOnly(Op);
}
@@ -922,16 +872,17 @@ 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 (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 << ") & " << S.c_str() << ')';
+ O << ") & " << S.str() << ')';
break;
}
case Instruction::Add:
@@ -966,17 +917,17 @@ void AsmPrinter::EmitConstantValueOnly(const Constant *CV) {
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!");
@@ -993,12 +944,12 @@ static void printAsCString(raw_ostream &O, const ConstantArray *CVA,
///
void AsmPrinter::EmitString(const ConstantArray *CVA) const {
unsigned NumElts = CVA->getNumOperands();
- if (TAI->getAscizDirective() && NumElts &&
+ if (MAI->getAscizDirective() && NumElts &&
cast<ConstantInt>(CVA->getOperand(NumElts-1))->getZExtValue() == 0) {
- O << TAI->getAscizDirective();
+ O << MAI->getAscizDirective();
printAsCString(O, CVA, NumElts-1);
} else {
- O << TAI->getAsciiDirective();
+ O << MAI->getAsciiDirective();
printAsCString(O, CVA, NumElts);
}
O << '\n';
@@ -1053,48 +1004,65 @@ void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP,
unsigned AddrSpace) {
// FP Constants are printed as integer constants to avoid losing
// precision...
+ LLVMContext &Context = CFP->getContext();
const TargetData *TD = TM.getTargetData();
- if (CFP->getType() == Type::DoubleTy) {
+ if (CFP->getType()->isDoubleTy()) {
double Val = CFP->getValueAPF().convertToDouble(); // for comment only
uint64_t i = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- if (TAI->getData64bitsDirective(AddrSpace)) {
- O << TAI->getData64bitsDirective(AddrSpace) << i;
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString() << " double value: " << Val;
+ if (MAI->getData64bitsDirective(AddrSpace)) {
+ O << MAI->getData64bitsDirective(AddrSpace) << i;
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " double " << Val;
+ }
O << '\n';
} else if (TD->isBigEndian()) {
- O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " double most significant word " << Val;
+ O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " most significant word of double " << Val;
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " double least significant word " << Val;
+ O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " least significant word of double " << Val;
+ }
O << '\n';
} else {
- O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " double least significant word " << Val;
+ O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " least significant word of double " << Val;
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " double most significant word " << Val;
+ O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " most significant word of double " << Val;
+ }
O << '\n';
}
return;
- } else if (CFP->getType() == Type::FloatTy) {
+ }
+
+ if (CFP->getType()->isFloatTy()) {
float Val = CFP->getValueAPF().convertToFloat(); // for comment only
- O << TAI->getData32bitsDirective(AddrSpace)
+ O << MAI->getData32bitsDirective(AddrSpace)
<< CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString() << " float " << Val;
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " float " << Val;
+ }
O << '\n';
return;
- } else if (CFP->getType() == Type::X86_FP80Ty) {
+ }
+
+ if (CFP->getType()->isX86_FP80Ty()) {
// all long double variants are printed as hex
// api needed to prevent premature destruction
APInt api = CFP->getValueAPF().bitcastToAPInt();
@@ -1105,110 +1073,148 @@ void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP,
DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
&ignored);
if (TD->isBigEndian()) {
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double most significant halfword of ~"
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " most significant halfword of x86_fp80 ~"
<< DoubleVal.convertToDouble();
+ }
O << '\n';
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString() << " long double next halfword";
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " next halfword";
+ }
O << '\n';
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString() << " long double next halfword";
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " next halfword";
+ }
O << '\n';
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString() << " long double next halfword";
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " next halfword";
+ }
O << '\n';
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double least significant halfword";
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " least significant halfword";
+ }
O << '\n';
} else {
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double least significant halfword of ~"
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " least significant halfword of x86_fp80 ~"
<< DoubleVal.convertToDouble();
+ }
O << '\n';
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double next halfword";
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " next halfword";
+ }
O << '\n';
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double next halfword";
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " next halfword";
+ }
O << '\n';
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double next halfword";
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " next halfword";
+ }
O << '\n';
- O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double most significant halfword";
+ O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " most significant halfword";
+ }
O << '\n';
}
- EmitZeros(TD->getTypeAllocSize(Type::X86_FP80Ty) -
- TD->getTypeStoreSize(Type::X86_FP80Ty), AddrSpace);
+ EmitZeros(TD->getTypeAllocSize(Type::getX86_FP80Ty(Context)) -
+ TD->getTypeStoreSize(Type::getX86_FP80Ty(Context)), AddrSpace);
return;
- } else if (CFP->getType() == Type::PPC_FP128Ty) {
+ }
+
+ if (CFP->getType()->isPPC_FP128Ty()) {
// all long double variants are printed as hex
// api needed to prevent premature destruction
APInt api = CFP->getValueAPF().bitcastToAPInt();
const uint64_t *p = api.getRawData();
if (TD->isBigEndian()) {
- O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double most significant word";
+ O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " most significant word of ppc_fp128";
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double next word";
+ O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " next word";
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double next word";
+ O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " next word";
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double least significant word";
+ O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " least significant word";
+ }
O << '\n';
} else {
- O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double least significant word";
+ O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " least significant word of ppc_fp128";
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double next word";
+ O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " next word";
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double next word";
+ O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " next word";
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " long double most significant word";
+ O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " most significant word";
+ }
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,
@@ -1229,29 +1235,37 @@ void AsmPrinter::EmitGlobalConstantLargeInt(const ConstantInt *CI,
else
Val = RawData[i];
- if (TAI->getData64bitsDirective(AddrSpace))
- O << TAI->getData64bitsDirective(AddrSpace) << Val << '\n';
+ if (MAI->getData64bitsDirective(AddrSpace))
+ O << MAI->getData64bitsDirective(AddrSpace) << Val << '\n';
else if (TD->isBigEndian()) {
- O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " Double-word most significant word " << Val;
+ O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " most significant half of i64 " << Val;
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " Double-word least significant word " << Val;
+ O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " least significant half of i64 " << Val;
+ }
O << '\n';
} else {
- O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " Double-word least significant word " << Val;
+ O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " least significant half of i64 " << Val;
+ }
O << '\n';
- O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32);
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString()
- << " Double-word most significant word " << Val;
+ O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32);
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString()
+ << " most significant half of i64 " << Val;
+ }
O << '\n';
}
}
@@ -1292,7 +1306,8 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, unsigned AddrSpace) {
if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
SmallString<40> S;
CI->getValue().toStringUnsigned(S, 16);
- O << "\t\t\t" << TAI->getCommentString() << " 0x" << S.c_str();
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " 0x" << S.str();
}
}
O << '\n';
@@ -1300,7 +1315,7 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, unsigned AddrSpace) {
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
@@ -1311,10 +1326,10 @@ void AsmPrinter::EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) {
/// for their own strange codes.
void AsmPrinter::PrintSpecial(const MachineInstr *MI, const char *Code) const {
if (!strcmp(Code, "private")) {
- O << TAI->getPrivateGlobalPrefix();
+ O << MAI->getPrivateGlobalPrefix();
} else if (!strcmp(Code, "comment")) {
if (VerboseAsm)
- O << TAI->getCommentString();
+ O << MAI->getCommentString();
} else if (!strcmp(Code, "uid")) {
// Comparing the address of MI isn't sufficient, because machineinstrs may
// be allocated to the same address across functions.
@@ -1328,23 +1343,38 @@ void AsmPrinter::PrintSpecial(const MachineInstr *MI, const char *Code) const {
}
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->doesSupportDebugInformation() && DW->ShouldEmitDwarfDebug()) {
+void AsmPrinter::processDebugLoc(const MachineInstr *MI,
+ bool BeforePrintingInsn) {
+ if (!MAI || !DW)
+ return;
+ DebugLoc DL = MI->getDebugLoc();
+ if (MAI->doesSupportDebugInformation() && DW->ShouldEmitDwarfDebug()) {
if (!DL.isUnknown()) {
DebugLocTuple CurDLT = MF->getDebugLocTuple(DL);
-
- if (CurDLT.CompileUnit != 0 && PrevDLT != CurDLT)
- printLabel(DW->RecordSourceLine(CurDLT.Line, CurDLT.Col,
- DICompileUnit(CurDLT.CompileUnit)));
-
+ if (BeforePrintingInsn) {
+ if (CurDLT.Scope != 0 && PrevDLT != CurDLT) {
+ unsigned L = DW->RecordSourceLine(CurDLT.Line, CurDLT.Col,
+ CurDLT.Scope);
+ printLabel(L);
+#ifdef ATTACH_DEBUG_INFO_TO_AN_INSN
+ DW->SetDbgScopeBeginLabels(MI, L);
+#endif
+ } else {
+#ifdef ATTACH_DEBUG_INFO_TO_AN_INSN
+ DW->SetDbgScopeEndLabels(MI, 0);
+#endif
+ }
+ }
PrevDLT = CurDLT;
}
}
@@ -1369,14 +1399,15 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
// 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 << TAI->getInlineAsmStart() << "\n\t" << TAI->getInlineAsmEnd() << '\n';
+ O << MAI->getCommentString() << MAI->getInlineAsmStart() << "\n\t";
+ O << MAI->getCommentString() << MAI->getInlineAsmEnd() << '\n';
return;
}
- O << TAI->getInlineAsmStart() << "\n\t";
+ O << MAI->getCommentString() << MAI->getInlineAsmStart() << "\n\t";
// The variant of the current asmprinter.
- int AsmPrinterVariant = TAI->getAssemblerDialect();
+ int AsmPrinterVariant = MAI->getAssemblerDialect();
int CurVariant = -1; // The number of the {.|.|.} region we are in.
const char *LastEmitted = AsmStr; // One past the last character emitted.
@@ -1413,9 +1444,8 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
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;
@@ -1450,9 +1480,8 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
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);
@@ -1466,9 +1495,8 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
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;
@@ -1480,9 +1508,8 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
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;
@@ -1490,17 +1517,15 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
}
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
@@ -1524,8 +1549,8 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
++OpNo; // Skip over the ID number.
if (Modifier[0]=='l') // labels are target independent
- printBasicBlockLabel(MI->getOperand(OpNo).getMBB(),
- false, false, false);
+ GetMBBSymbol(MI->getOperand(OpNo).getMBB()
+ ->getNumber())->print(O, MAI);
else {
AsmPrinter *AP = const_cast<AsmPrinter*>(this);
if ((OpFlags & 7) == 4) {
@@ -1538,25 +1563,28 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
}
}
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 << "\n\t" << TAI->getInlineAsmEnd() << '\n';
+ O << "\n\t" << MAI->getCommentString() << MAI->getInlineAsmEnd();
}
/// printImplicitDef - This method prints the specified machine instruction
/// that is an implicit def.
void AsmPrinter::printImplicitDef(const MachineInstr *MI) const {
- if (VerboseAsm)
- O << '\t' << TAI->getCommentString() << " implicit-def: "
- << TRI->getAsmName(MI->getOperand(0).getReg()) << '\n';
+ if (!VerboseAsm) return;
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " implicit-def: "
+ << TRI->getName(MI->getOperand(0).getReg());
}
/// printLabel - This method prints a local label used by debug and
@@ -1566,17 +1594,7 @@ void AsmPrinter::printLabel(const MachineInstr *MI) const {
}
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 {
- unsigned FI = MI->getOperand(0).getIndex();
- GlobalValue *GV = MI->getOperand(1).getGlobal();
- DW->RecordVariable(cast<GlobalVariable>(GV), FI, MI);
+ O << MAI->getPrivateGlobalPrefix() << "label" << Id << ':';
}
/// PrintAsmOperand - Print the specified operand of MI, an INLINEASM
@@ -1595,51 +1613,69 @@ bool AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
return true;
}
-/// printBasicBlockLabel - This method prints the label for the specified
-/// MachineBasicBlock
-void AsmPrinter::printBasicBlockLabel(const MachineBasicBlock *MBB,
- bool printAlign,
- bool printColon,
- bool printComment) const {
- if (printAlign) {
- unsigned Align = MBB->getAlignment();
- if (Align)
- EmitAlignment(Log2_32(Align));
- }
+MCSymbol *AsmPrinter::GetMBBSymbol(unsigned MBBID) const {
+ SmallString<60> Name;
+ raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "BB"
+ << getFunctionNumber() << '_' << MBBID;
+
+ return OutContext.GetOrCreateSymbol(Name.str());
+}
+
- O << TAI->getPrivateGlobalPrefix() << "BB" << getFunctionNumber() << '_'
- << MBB->getNumber();
- if (printColon)
+/// EmitBasicBlockStart - This method prints the label for the specified
+/// MachineBasicBlock, an alignment (if present) and a comment describing
+/// it if appropriate.
+void AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock *MBB) const {
+ if (unsigned Align = MBB->getAlignment())
+ EmitAlignment(Log2_32(Align));
+
+ if (MBB->pred_empty() || MBB->isOnlyReachableByFallthrough()) {
+ if (VerboseAsm)
+ O << MAI->getCommentString() << " BB#" << MBB->getNumber() << ':';
+ } else {
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
O << ':';
- if (printComment && MBB->getBasicBlock())
- O << '\t' << TAI->getCommentString() << ' '
- << MBB->getBasicBlock()->getNameStart();
+ if (!VerboseAsm)
+ O << '\n';
+ }
+
+ if (VerboseAsm) {
+ if (const BasicBlock *BB = MBB->getBasicBlock())
+ if (BB->hasName()) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << ' ';
+ WriteAsOperand(O, BB, /*PrintType=*/false);
+ }
+
+ EmitComments(*MBB);
+ O << '\n';
+ }
}
/// 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())
+ if (!MAI->getSetDirective())
return;
- O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
+ O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false, false);
- O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << uid << '\n';
}
void AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
const MachineBasicBlock *MBB) const {
- if (!TAI->getSetDirective())
+ if (!MAI->getSetDirective())
return;
- O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
+ O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << '_' << uid2
<< "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false, false);
- O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << uid << '_' << uid2 << '\n';
}
@@ -1648,73 +1684,51 @@ void AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
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)
- O << TAI->getData8bitsDirective(AddrSpace);
+ O << MAI->getData8bitsDirective(AddrSpace);
else if (BitWidth <= 16)
- O << TAI->getData16bitsDirective(AddrSpace);
+ O << MAI->getData16bitsDirective(AddrSpace);
else if (BitWidth <= 32)
- O << TAI->getData32bitsDirective(AddrSpace);
+ O << MAI->getData32bitsDirective(AddrSpace);
else if (BitWidth <= 64) {
- assert(TAI->getData64bitsDirective(AddrSpace) &&
+ assert(MAI->getData64bitsDirective(AddrSpace) &&
"Target cannot handle 64-bit constant exprs!");
- O << TAI->getData64bitsDirective(AddrSpace);
+ O << MAI->getData64bitsDirective(AddrSpace);
} else {
- assert(0 && "Target cannot handle given data directive width!");
+ llvm_unreachable("Target cannot handle given data directive width!");
}
break;
}
case Type::PointerTyID:
if (TD->getPointerSize() == 8) {
- assert(TAI->getData64bitsDirective(AddrSpace) &&
+ assert(MAI->getData64bitsDirective(AddrSpace) &&
"Target cannot handle 64-bit pointer exprs!");
- O << TAI->getData64bitsDirective(AddrSpace);
+ O << MAI->getData64bitsDirective(AddrSpace);
} else if (TD->getPointerSize() == 2) {
- O << TAI->getData16bitsDirective(AddrSpace);
+ O << MAI->getData16bitsDirective(AddrSpace);
} else if (TD->getPointerSize() == 1) {
- O << TAI->getData8bitsDirective(AddrSpace);
+ O << MAI->getData8bitsDirective(AddrSpace);
} else {
- O << TAI->getData32bitsDirective(AddrSpace);
+ O << MAI->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) {
- if (const char *Directive = TAI->getHiddenDirective())
+ if (const char *Directive = MAI->getHiddenDirective())
O << Directive << Name << '\n';
} else if (Visibility == GlobalValue::ProtectedVisibility) {
- if (const char *Directive = TAI->getProtectedDirective())
+ if (const char *Directive = MAI->getProtectedDirective())
O << Directive << Name << '\n';
}
}
@@ -1746,6 +1760,104 @@ GCMetadataPrinter *AsmPrinter::GetOrCreateGCPrinter(GCStrategy *S) {
return GMP;
}
- cerr << "no GCMetadataPrinter registered for GC: " << Name << "\n";
- abort();
+ errs() << "no GCMetadataPrinter registered for GC: " << Name << "\n";
+ llvm_unreachable(0);
+}
+
+/// EmitComments - Pretty-print comments for instructions
+void AsmPrinter::EmitComments(const MachineInstr &MI) const {
+ assert(VerboseAsm && !MI.getDebugLoc().isUnknown());
+
+ DebugLocTuple DLT = MF->getDebugLocTuple(MI.getDebugLoc());
+
+ // Print source line info.
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " SrcLine ";
+ if (DLT.Scope) {
+ DICompileUnit CU(DLT.Scope);
+ if (!CU.isNull())
+ O << CU.getFilename() << " ";
+ }
+ O << DLT.Line;
+ if (DLT.Col != 0)
+ O << ":" << DLT.Col;
+}
+
+/// PrintChildLoopComment - Print comments about child loops within
+/// the loop for this basic block, with nesting.
+///
+static void PrintChildLoopComment(formatted_raw_ostream &O,
+ const MachineLoop *loop,
+ const MCAsmInfo *MAI,
+ int FunctionNumber) {
+ // Add child loop information
+ for(MachineLoop::iterator cl = loop->begin(),
+ clend = loop->end();
+ cl != clend;
+ ++cl) {
+ MachineBasicBlock *Header = (*cl)->getHeader();
+ assert(Header && "No header for loop");
+
+ O << '\n';
+ O.PadToColumn(MAI->getCommentColumn());
+
+ O << MAI->getCommentString();
+ O.indent(((*cl)->getLoopDepth()-1)*2)
+ << " Child Loop BB" << FunctionNumber << "_"
+ << Header->getNumber() << " Depth " << (*cl)->getLoopDepth();
+
+ PrintChildLoopComment(O, *cl, MAI, FunctionNumber);
+ }
+}
+
+/// EmitComments - Pretty-print comments for basic blocks
+void AsmPrinter::EmitComments(const MachineBasicBlock &MBB) const
+{
+ if (VerboseAsm) {
+ // Add loop depth information
+ const MachineLoop *loop = LI->getLoopFor(&MBB);
+
+ if (loop) {
+ // Print a newline after bb# annotation.
+ O << "\n";
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " Loop Depth " << loop->getLoopDepth()
+ << '\n';
+
+ O.PadToColumn(MAI->getCommentColumn());
+
+ MachineBasicBlock *Header = loop->getHeader();
+ assert(Header && "No header for loop");
+
+ if (Header == &MBB) {
+ O << MAI->getCommentString() << " Loop Header";
+ PrintChildLoopComment(O, loop, MAI, getFunctionNumber());
+ }
+ else {
+ O << MAI->getCommentString() << " Loop Header is BB"
+ << getFunctionNumber() << "_" << loop->getHeader()->getNumber();
+ }
+
+ if (loop->empty()) {
+ O << '\n';
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " Inner Loop";
+ }
+
+ // Add parent loop information
+ for (const MachineLoop *CurLoop = loop->getParentLoop();
+ CurLoop;
+ CurLoop = CurLoop->getParentLoop()) {
+ MachineBasicBlock *Header = CurLoop->getHeader();
+ assert(Header && "No header for loop");
+
+ O << '\n';
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString();
+ O.indent((CurLoop->getLoopDepth()-1)*2)
+ << " Inside Loop BB" << getFunctionNumber() << "_"
+ << Header->getNumber() << " Depth " << CurLoop->getLoopDepth();
+ }
+ }
+ }
}
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