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-rw-r--r--lib/CodeGen/AsmPrinter/AsmPrinter.cpp1452
1 files changed, 574 insertions, 878 deletions
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 876f628..f4d8864 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -16,6 +16,7 @@
#include "llvm/DerivedTypes.h"
#include "llvm/Constants.h"
#include "llvm/Module.h"
+#include "llvm/CodeGen/DwarfWriter.h"
#include "llvm/CodeGen/GCMetadataPrinter.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
@@ -23,18 +24,19 @@
#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/MCExpr.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/Format.h"
#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/Mangler.h"
#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/Target/Mangler.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetLowering.h"
@@ -43,7 +45,6 @@
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringExtras.h"
#include <cerrno>
using namespace llvm;
@@ -51,6 +52,15 @@ static cl::opt<cl::boolOrDefault>
AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
cl::init(cl::BOU_UNSET));
+static bool getVerboseAsm(bool VDef) {
+ switch (AsmVerbose) {
+ default:
+ case cl::BOU_UNSET: return VDef;
+ case cl::BOU_TRUE: return true;
+ case cl::BOU_FALSE: return false;
+ }
+}
+
char AsmPrinter::ID = 0;
AsmPrinter::AsmPrinter(formatted_raw_ostream &o, TargetMachine &tm,
const MCAsmInfo *T, bool VDef)
@@ -59,16 +69,13 @@ AsmPrinter::AsmPrinter(formatted_raw_ostream &o, TargetMachine &tm,
OutContext(*new MCContext()),
// FIXME: Pass instprinter to streamer.
- OutStreamer(*createAsmStreamer(OutContext, O, *T, 0)),
+ OutStreamer(*createAsmStreamer(OutContext, O, *T,
+ TM.getTargetData()->isLittleEndian(),
+ getVerboseAsm(VDef), 0)),
- LastMI(0), LastFn(0), Counter(~0U),
- PrevDLT(0, 0, ~0U, ~0U) {
+ LastMI(0), LastFn(0), Counter(~0U), PrevDLT(NULL) {
DW = 0; MMI = 0;
- switch (AsmVerbose) {
- case cl::BOU_UNSET: VerboseAsm = VDef; break;
- case cl::BOU_TRUE: VerboseAsm = true; break;
- case cl::BOU_FALSE: VerboseAsm = false; break;
- }
+ VerboseAsm = getVerboseAsm(VDef);
}
AsmPrinter::~AsmPrinter() {
@@ -103,22 +110,15 @@ bool AsmPrinter::doInitialization(Module &M) {
const_cast<TargetLoweringObjectFile&>(getObjFileLowering())
.Initialize(OutContext, TM);
- Mang = new Mangler(M, MAI->getGlobalPrefix(), MAI->getPrivateGlobalPrefix(),
- MAI->getLinkerPrivateGlobalPrefix());
-
- if (MAI->doesAllowQuotesInName())
- Mang->setUseQuotes(true);
-
- if (MAI->doesAllowNameToStartWithDigit())
- Mang->setSymbolsCanStartWithDigit(true);
+ Mang = new Mangler(*MAI);
// Allow the target to emit any magic that it wants at the start of the file.
EmitStartOfAsmFile(M);
if (MAI->hasSingleParameterDotFile()) {
- /* Very minimal debug info. It is ignored if we emit actual
- debug info. If we don't, this at least helps the user find where
- a function came from. */
+ // Very minimal debug info. It is ignored if we emit actual
+ // 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";
}
@@ -144,11 +144,148 @@ bool AsmPrinter::doInitialization(Module &M) {
return false;
}
+/// EmitGlobalVariable - Emit the specified global variable to the .s file.
+void AsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
+ if (!GV->hasInitializer()) // External globals require no code.
+ return;
+
+ // Check to see if this is a special global used by LLVM, if so, emit it.
+ if (EmitSpecialLLVMGlobal(GV))
+ return;
+
+ MCSymbol *GVSym = GetGlobalValueSymbol(GV);
+ printVisibility(GVSym, GV->getVisibility());
+
+ if (MAI->hasDotTypeDotSizeDirective()) {
+ O << "\t.type\t" << *GVSym;
+ if (MAI->getCommentString()[0] != '@')
+ O << ",@object\n";
+ else
+ O << ",%object\n";
+ }
+
+ SectionKind GVKind = TargetLoweringObjectFile::getKindForGlobal(GV, TM);
+
+ const TargetData *TD = TM.getTargetData();
+ unsigned Size = TD->getTypeAllocSize(GV->getType()->getElementType());
+ unsigned AlignLog = TD->getPreferredAlignmentLog(GV);
+
+ // Handle common and BSS local symbols (.lcomm).
+ if (GVKind.isCommon() || GVKind.isBSSLocal()) {
+ if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
+
+ if (VerboseAsm) {
+ WriteAsOperand(OutStreamer.GetCommentOS(), GV,
+ /*PrintType=*/false, GV->getParent());
+ OutStreamer.GetCommentOS() << '\n';
+ }
+
+ // Handle common symbols.
+ if (GVKind.isCommon()) {
+ // .comm _foo, 42, 4
+ OutStreamer.EmitCommonSymbol(GVSym, Size, 1 << AlignLog);
+ return;
+ }
+
+ // Handle local BSS symbols.
+ if (MAI->hasMachoZeroFillDirective()) {
+ const MCSection *TheSection =
+ getObjFileLowering().SectionForGlobal(GV, GVKind, Mang, TM);
+ // .zerofill __DATA, __bss, _foo, 400, 5
+ OutStreamer.EmitZerofill(TheSection, GVSym, Size, 1 << AlignLog);
+ return;
+ }
+
+ if (MAI->hasLCOMMDirective()) {
+ // .lcomm _foo, 42
+ OutStreamer.EmitLocalCommonSymbol(GVSym, Size);
+ return;
+ }
+
+ // .local _foo
+ OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Local);
+ // .comm _foo, 42, 4
+ OutStreamer.EmitCommonSymbol(GVSym, Size, 1 << AlignLog);
+ return;
+ }
+
+ const MCSection *TheSection =
+ getObjFileLowering().SectionForGlobal(GV, GVKind, Mang, TM);
+
+ // Handle the zerofill directive on darwin, which is a special form of BSS
+ // emission.
+ if (GVKind.isBSSExtern() && MAI->hasMachoZeroFillDirective()) {
+ // .globl _foo
+ OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
+ // .zerofill __DATA, __common, _foo, 400, 5
+ OutStreamer.EmitZerofill(TheSection, GVSym, Size, 1 << AlignLog);
+ return;
+ }
+
+ OutStreamer.SwitchSection(TheSection);
+
+ // TODO: Factor into an 'emit linkage' thing that is shared with function
+ // bodies.
+ switch (GV->getLinkage()) {
+ case GlobalValue::CommonLinkage:
+ case GlobalValue::LinkOnceAnyLinkage:
+ case GlobalValue::LinkOnceODRLinkage:
+ case GlobalValue::WeakAnyLinkage:
+ case GlobalValue::WeakODRLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
+ if (MAI->getWeakDefDirective() != 0) {
+ // .globl _foo
+ OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
+ // .weak_definition _foo
+ OutStreamer.EmitSymbolAttribute(GVSym, MCSA_WeakDefinition);
+ } else if (const char *LinkOnce = MAI->getLinkOnceDirective()) {
+ // .globl _foo
+ OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
+ // .linkonce same_size
+ O << LinkOnce;
+ } else {
+ // .weak _foo
+ OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Weak);
+ }
+ break;
+ case GlobalValue::DLLExportLinkage:
+ case GlobalValue::AppendingLinkage:
+ // FIXME: appending linkage variables should go into a section of
+ // their name or something. For now, just emit them as external.
+ case GlobalValue::ExternalLinkage:
+ // If external or appending, declare as a global symbol.
+ // .globl _foo
+ OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
+ break;
+ case GlobalValue::PrivateLinkage:
+ case GlobalValue::InternalLinkage:
+ break;
+ default:
+ llvm_unreachable("Unknown linkage type!");
+ }
+
+ EmitAlignment(AlignLog, GV);
+ if (VerboseAsm) {
+ WriteAsOperand(OutStreamer.GetCommentOS(), GV,
+ /*PrintType=*/false, GV->getParent());
+ OutStreamer.GetCommentOS() << '\n';
+ }
+ OutStreamer.EmitLabel(GVSym);
+
+ EmitGlobalConstant(GV->getInitializer());
+
+ if (MAI->hasDotTypeDotSizeDirective())
+ O << "\t.size\t" << *GVSym << ", " << Size << '\n';
+
+ OutStreamer.AddBlankLine();
+}
+
+
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);
+ EmitGlobalVariable(I);
// Emit final debug information.
if (MAI->doesSupportDebugInformation() || MAI->doesSupportExceptionHandling())
@@ -164,35 +301,37 @@ bool AsmPrinter::doFinalization(Module &M) {
// Print out module-level global variables here.
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
I != E; ++I) {
- if (I->hasExternalWeakLinkage())
- O << MAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n';
+ if (!I->hasExternalWeakLinkage()) continue;
+ OutStreamer.EmitSymbolAttribute(GetGlobalValueSymbol(I),
+ MCSA_WeakReference);
}
for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) {
- if (I->hasExternalWeakLinkage())
- O << MAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n';
+ if (!I->hasExternalWeakLinkage()) continue;
+ OutStreamer.EmitSymbolAttribute(GetGlobalValueSymbol(I),
+ MCSA_WeakReference);
}
}
if (MAI->getSetDirective()) {
- O << '\n';
+ OutStreamer.AddBlankLine();
for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
I != E; ++I) {
- std::string Name = Mang->getMangledName(I);
+ MCSymbol *Name = GetGlobalValueSymbol(I);
const GlobalValue *GV = cast<GlobalValue>(I->getAliasedGlobal());
- std::string Target = Mang->getMangledName(GV);
+ MCSymbol *Target = GetGlobalValueSymbol(GV);
if (I->hasExternalLinkage() || !MAI->getWeakRefDirective())
- O << "\t.globl\t" << Name << '\n';
+ OutStreamer.EmitSymbolAttribute(Name, MCSA_Global);
else if (I->hasWeakLinkage())
- O << MAI->getWeakRefDirective() << Name << '\n';
- else if (!I->hasLocalLinkage())
- llvm_unreachable("Invalid alias linkage");
+ OutStreamer.EmitSymbolAttribute(Name, MCSA_WeakReference);
+ else
+ assert(I->hasLocalLinkage() && "Invalid alias linkage");
printVisibility(Name, I->getVisibility());
- O << MAI->getSetDirective() << ' ' << Name << ", " << Target << '\n';
+ O << MAI->getSetDirective() << ' ' << *Name << ", " << *Target << '\n';
}
}
@@ -206,9 +345,8 @@ bool AsmPrinter::doFinalization(Module &M) {
// to be executable. Some targets have a directive to declare this.
Function *InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline");
if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty())
- if (MAI->getNonexecutableStackDirective())
- O << MAI->getNonexecutableStackDirective() << '\n';
-
+ if (MCSection *S = MAI->getNonexecutableStackSection(OutContext))
+ OutStreamer.SwitchSection(S);
// Allow the target to emit any magic that it wants at the end of the file,
// after everything else has gone out.
@@ -222,8 +360,8 @@ bool AsmPrinter::doFinalization(Module &M) {
}
void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
- // What's my mangled name?
- CurrentFnName = Mang->getMangledName(MF.getFunction());
+ // Get the function symbol.
+ CurrentFnSym = GetGlobalValueSymbol(MF.getFunction());
IncrementFunctionNumber();
if (VerboseAsm)
@@ -307,19 +445,20 @@ void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
// Emit inter-object padding for alignment.
unsigned AlignMask = CPE.getAlignment() - 1;
unsigned NewOffset = (Offset + AlignMask) & ~AlignMask;
- EmitZeros(NewOffset - Offset);
+ OutStreamer.EmitFill(NewOffset - Offset, 0/*fillval*/, 0/*addrspace*/);
const Type *Ty = CPE.getType();
Offset = NewOffset + TM.getTargetData()->getTypeAllocSize(Ty);
- O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
- << CPI << ':';
+ // Emit the label with a comment on it.
if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << " constant ";
- WriteTypeSymbolic(O, CPE.getType(), MF->getFunction()->getParent());
+ OutStreamer.GetCommentOS() << "constant pool ";
+ WriteTypeSymbolic(OutStreamer.GetCommentOS(), CPE.getType(),
+ MF->getFunction()->getParent());
+ OutStreamer.GetCommentOS() << '\n';
}
- O << '\n';
+ OutStreamer.EmitLabel(GetCPISymbol(CPI));
+
if (CPE.isMachineConstantPoolEntry())
EmitMachineConstantPoolValue(CPE.Val.MachineCPVal);
else
@@ -381,14 +520,11 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
// 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 && MAI->getLinkerPrivateGlobalPrefix()[0]) {
- O << MAI->getLinkerPrivateGlobalPrefix()
- << "JTI" << getFunctionNumber() << '_' << i << ":\n";
- }
-
- O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
- << '_' << i << ":\n";
-
+ if (JTInDiffSection && MAI->getLinkerPrivateGlobalPrefix()[0])
+ OutStreamer.EmitLabel(GetJTISymbol(i, true));
+
+ OutStreamer.EmitLabel(GetJTISymbol(i));
+
for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) {
printPICJumpTableEntry(MJTI, JTBBs[ii], i);
O << '\n';
@@ -418,17 +554,16 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
// If we're emitting non-PIC code, then emit the entries as direct
// references to the target basic blocks.
if (!isPIC) {
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << *GetMBBSymbol(MBB->getNumber());
} else if (MAI->getSetDirective()) {
O << MAI->getPrivateGlobalPrefix() << getFunctionNumber()
<< '_' << uid << "_set_" << MBB->getNumber();
} else {
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << *GetMBBSymbol(MBB->getNumber());
// If the arch uses custom Jump Table directives, don't calc relative to
- // JT
+ // JT.
if (!HadJTEntryDirective)
- O << '-' << MAI->getPrivateGlobalPrefix() << "JTI"
- << getFunctionNumber() << '_' << uid;
+ O << '-' << *GetJTISymbol(uid);
}
}
@@ -438,7 +573,7 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
/// do nothing and return false.
bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
if (GV->getName() == "llvm.used") {
- if (MAI->getUsedDirective() != 0) // No need to emit this at all.
+ if (MAI->hasNoDeadStrip()) // No need to emit this at all.
EmitLLVMUsedList(GV->getInitializer());
return true;
}
@@ -458,6 +593,13 @@ bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
OutStreamer.SwitchSection(getObjFileLowering().getStaticCtorSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
+
+ if (TM.getRelocationModel() == Reloc::Static &&
+ MAI->hasStaticCtorDtorReferenceInStaticMode()) {
+ StringRef Sym(".constructors_used");
+ OutStreamer.EmitSymbolAttribute(OutContext.GetOrCreateSymbol(Sym),
+ MCSA_Reference);
+ }
return true;
}
@@ -465,6 +607,13 @@ bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
OutStreamer.SwitchSection(getObjFileLowering().getStaticDtorSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
+
+ if (TM.getRelocationModel() == Reloc::Static &&
+ MAI->hasStaticCtorDtorReferenceInStaticMode()) {
+ StringRef Sym(".destructors_used");
+ OutStreamer.EmitSymbolAttribute(OutContext.GetOrCreateSymbol(Sym),
+ MCSA_Reference);
+ }
return true;
}
@@ -475,8 +624,6 @@ bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
/// 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 = MAI->getUsedDirective();
-
// Should be an array of 'i8*'.
ConstantArray *InitList = dyn_cast<ConstantArray>(List);
if (InitList == 0) return;
@@ -484,11 +631,9 @@ void AsmPrinter::EmitLLVMUsedList(Constant *List) {
for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
const GlobalValue *GV =
dyn_cast<GlobalValue>(InitList->getOperand(i)->stripPointerCasts());
- if (GV && getObjFileLowering().shouldEmitUsedDirectiveFor(GV, Mang)) {
- O << Directive;
- EmitConstantValueOnly(InitList->getOperand(i));
- O << '\n';
- }
+ if (GV && getObjFileLowering().shouldEmitUsedDirectiveFor(GV, Mang))
+ OutStreamer.EmitSymbolAttribute(GetGlobalValueSymbol(GV),
+ MCSA_NoDeadStrip);
}
}
@@ -510,189 +655,35 @@ void AsmPrinter::EmitXXStructorList(Constant *List) {
}
}
-
-//===----------------------------------------------------------------------===//
-/// LEB 128 number encoding.
-
-/// PrintULEB128 - Print a series of hexadecimal values (separated by commas)
-/// representing an unsigned leb128 value.
-void AsmPrinter::PrintULEB128(unsigned Value) const {
- char Buffer[20];
- do {
- unsigned char Byte = static_cast<unsigned char>(Value & 0x7f);
- Value >>= 7;
- if (Value) Byte |= 0x80;
- O << "0x" << utohex_buffer(Byte, Buffer+20);
- if (Value) O << ", ";
- } while (Value);
-}
-
-/// PrintSLEB128 - Print a series of hexadecimal values (separated by commas)
-/// representing a signed leb128 value.
-void AsmPrinter::PrintSLEB128(int Value) const {
- int Sign = Value >> (8 * sizeof(Value) - 1);
- bool IsMore;
- char Buffer[20];
-
- do {
- unsigned char Byte = static_cast<unsigned char>(Value & 0x7f);
- Value >>= 7;
- IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
- if (IsMore) Byte |= 0x80;
- O << "0x" << utohex_buffer(Byte, Buffer+20);
- if (IsMore) O << ", ";
- } while (IsMore);
-}
-
//===--------------------------------------------------------------------===//
// Emission and print routines
//
-/// PrintHex - Print a value as a hexadecimal value.
-///
-void AsmPrinter::PrintHex(int Value) const {
- char Buffer[20];
- O << "0x" << utohex_buffer(static_cast<unsigned>(Value), Buffer+20);
-}
-
-/// EOL - Print a newline character to asm stream. If a comment is present
-/// then it will be printed first. Comments should not contain '\n'.
-void AsmPrinter::EOL() const {
- O << '\n';
-}
-
-void AsmPrinter::EOL(const std::string &Comment) const {
- if (VerboseAsm && !Comment.empty()) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << ' '
- << Comment;
- }
- O << '\n';
-}
-
-void AsmPrinter::EOL(const char* Comment) const {
- if (VerboseAsm && *Comment) {
- 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 (MAI->hasLEB128()) {
- O << "\t.uleb128\t"
- << Value;
- } else {
- O << MAI->getData8bitsDirective();
- PrintULEB128(Value);
- }
-}
-
-/// EmitSLEB128Bytes - print an assembler byte data directive to compose a
-/// signed leb128 value.
-void AsmPrinter::EmitSLEB128Bytes(int Value) const {
- if (MAI->hasLEB128()) {
- O << "\t.sleb128\t"
- << Value;
- } else {
- O << MAI->getData8bitsDirective();
- PrintSLEB128(Value);
- }
-}
-
/// EmitInt8 - Emit a byte directive and value.
///
void AsmPrinter::EmitInt8(int Value) const {
- O << MAI->getData8bitsDirective();
- PrintHex(Value & 0xFF);
+ OutStreamer.EmitIntValue(Value, 1, 0/*addrspace*/);
}
/// EmitInt16 - Emit a short directive and value.
///
void AsmPrinter::EmitInt16(int Value) const {
- O << MAI->getData16bitsDirective();
- PrintHex(Value & 0xFFFF);
+ OutStreamer.EmitIntValue(Value, 2, 0/*addrspace*/);
}
/// EmitInt32 - Emit a long directive and value.
///
void AsmPrinter::EmitInt32(int Value) const {
- O << MAI->getData32bitsDirective();
- PrintHex(Value);
+ OutStreamer.EmitIntValue(Value, 4, 0/*addrspace*/);
}
/// EmitInt64 - Emit a long long directive and value.
///
void AsmPrinter::EmitInt64(uint64_t Value) const {
- if (MAI->getData64bitsDirective()) {
- O << MAI->getData64bitsDirective();
- PrintHex(Value);
- } else {
- if (TM.getTargetData()->isBigEndian()) {
- EmitInt32(unsigned(Value >> 32)); O << '\n';
- EmitInt32(unsigned(Value));
- } else {
- EmitInt32(unsigned(Value)); O << '\n';
- EmitInt32(unsigned(Value >> 32));
- }
- }
+ OutStreamer.EmitIntValue(Value, 8, 0/*addrspace*/);
}
+
/// toOctal - Convert the low order bits of X into an octal digit.
///
static inline char toOctal(int X) {
@@ -725,31 +716,8 @@ static void printStringChar(formatted_raw_ostream &O, unsigned char C) {
}
}
-/// EmitString - Emit a string with quotes and a null terminator.
-/// Special characters are emitted properly.
-/// \literal (Eg. '\t') \endliteral
-void AsmPrinter::EmitString(const StringRef String) const {
- EmitString(String.data(), String.size());
-}
-
-void AsmPrinter::EmitString(const char *String, unsigned Size) const {
- const char* AscizDirective = MAI->getAscizDirective();
- if (AscizDirective)
- O << AscizDirective;
- else
- O << MAI->getAsciiDirective();
- O << '\"';
- for (unsigned i = 0; i < Size; ++i)
- printStringChar(O, String[i]);
- if (AscizDirective)
- O << '\"';
- else
- O << "\\0\"";
-}
-
-
/// EmitFile - Emit a .file directive.
-void AsmPrinter::EmitFile(unsigned Number, const std::string &Name) const {
+void AsmPrinter::EmitFile(unsigned Number, StringRef Name) const {
O << "\t.file\t" << Number << " \"";
for (unsigned i = 0, N = Name.size(); i < N; ++i)
printStringChar(O, Name[i]);
@@ -788,52 +756,26 @@ void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV,
OutStreamer.EmitValueToAlignment(1 << NumBits, FillValue, 1, 0);
}
-/// EmitZeros - Emit a block of zeros.
+/// LowerConstant - Lower the specified LLVM Constant to an MCExpr.
///
-void AsmPrinter::EmitZeros(uint64_t NumZeros, unsigned AddrSpace) const {
- if (NumZeros) {
- if (MAI->getZeroDirective()) {
- O << MAI->getZeroDirective() << NumZeros;
- if (MAI->getZeroDirectiveSuffix())
- O << MAI->getZeroDirectiveSuffix();
- O << '\n';
- } else {
- for (; NumZeros; --NumZeros)
- O << MAI->getData8bitsDirective(AddrSpace) << "0\n";
- }
- }
-}
-
-// Print out the specified constant, without a storage class. Only the
-// constants valid in constant expressions can occur here.
-void AsmPrinter::EmitConstantValueOnly(const Constant *CV) {
- if (CV->isNullValue() || isa<UndefValue>(CV)) {
- O << '0';
- return;
- }
-
- if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
- O << CI->getZExtValue();
- return;
- }
+static const MCExpr *LowerConstant(const Constant *CV, AsmPrinter &AP) {
+ MCContext &Ctx = AP.OutContext;
- 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.
- O << Mang->getMangledName(GV);
- return;
- }
+ if (CV->isNullValue() || isa<UndefValue>(CV))
+ return MCConstantExpr::Create(0, Ctx);
+
+ if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV))
+ return MCConstantExpr::Create(CI->getZExtValue(), Ctx);
- if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV)) {
- GetBlockAddressSymbol(BA)->print(O, MAI);
- return;
- }
+ if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV))
+ return MCSymbolRefExpr::Create(AP.GetGlobalValueSymbol(GV), Ctx);
+ if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV))
+ return MCSymbolRefExpr::Create(AP.GetBlockAddressSymbol(BA), Ctx);
const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV);
if (CE == 0) {
- llvm_unreachable("Unknown constant value!");
- O << '0';
- return;
+ llvm_unreachable("Unknown constant value to lower!");
+ return MCConstantExpr::Create(0, Ctx);
}
switch (CE->getOpcode()) {
@@ -845,406 +787,214 @@ void AsmPrinter::EmitConstantValueOnly(const Constant *CV) {
case Instruction::SIToFP:
case Instruction::FPToUI:
case Instruction::FPToSI:
- default:
- llvm_unreachable("FIXME: Don't support this constant cast expr");
+ default: llvm_unreachable("FIXME: Don't support this constant cast expr");
case Instruction::GetElementPtr: {
- // generate a symbolic expression for the byte address
- const TargetData *TD = TM.getTargetData();
- const Constant *ptrVal = CE->getOperand(0);
- SmallVector<Value*, 8> idxVec(CE->op_begin()+1, CE->op_end());
- int64_t Offset = TD->getIndexedOffset(ptrVal->getType(), &idxVec[0],
- idxVec.size());
+ const TargetData &TD = *AP.TM.getTargetData();
+ // Generate a symbolic expression for the byte address
+ const Constant *PtrVal = CE->getOperand(0);
+ SmallVector<Value*, 8> IdxVec(CE->op_begin()+1, CE->op_end());
+ int64_t Offset = TD.getIndexedOffset(PtrVal->getType(), &IdxVec[0],
+ IdxVec.size());
+
+ const MCExpr *Base = LowerConstant(CE->getOperand(0), AP);
if (Offset == 0)
- return EmitConstantValueOnly(ptrVal);
+ return Base;
// Truncate/sext the offset to the pointer size.
- if (TD->getPointerSizeInBits() != 64) {
- int SExtAmount = 64-TD->getPointerSizeInBits();
+ if (TD.getPointerSizeInBits() != 64) {
+ int SExtAmount = 64-TD.getPointerSizeInBits();
Offset = (Offset << SExtAmount) >> SExtAmount;
}
- if (Offset)
- O << '(';
- EmitConstantValueOnly(ptrVal);
- if (Offset > 0)
- O << ") + " << Offset;
- else
- O << ") - " << -Offset;
- return;
+ return MCBinaryExpr::CreateAdd(Base, MCConstantExpr::Create(Offset, Ctx),
+ Ctx);
}
+
+ case Instruction::Trunc:
+ // We emit the value and depend on the assembler to truncate the generated
+ // expression properly. This is important for differences between
+ // blockaddress labels. Since the two labels are in the same function, it
+ // is reasonable to treat their delta as a 32-bit value.
+ // FALL THROUGH.
case Instruction::BitCast:
- return EmitConstantValueOnly(CE->getOperand(0));
+ return LowerConstant(CE->getOperand(0), AP);
case Instruction::IntToPtr: {
+ const TargetData &TD = *AP.TM.getTargetData();
// Handle casts to pointers by changing them into casts to the appropriate
// integer type. This promotes constant folding and simplifies this code.
- const TargetData *TD = TM.getTargetData();
Constant *Op = CE->getOperand(0);
- Op = ConstantExpr::getIntegerCast(Op, TD->getIntPtrType(CV->getContext()),
+ Op = ConstantExpr::getIntegerCast(Op, TD.getIntPtrType(CV->getContext()),
false/*ZExt*/);
- return EmitConstantValueOnly(Op);
+ return LowerConstant(Op, AP);
}
case Instruction::PtrToInt: {
+ const TargetData &TD = *AP.TM.getTargetData();
// Support only foldable casts to/from pointers that can be eliminated by
// changing the pointer to the appropriately sized integer type.
Constant *Op = CE->getOperand(0);
const Type *Ty = CE->getType();
- const TargetData *TD = TM.getTargetData();
+
+ const MCExpr *OpExpr = LowerConstant(Op, AP);
// 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()))
- return EmitConstantValueOnly(Op);
-
- O << "((";
- EmitConstantValueOnly(Op);
- APInt ptrMask =
- APInt::getAllOnesValue(TD->getTypeAllocSizeInBits(Op->getType()));
-
- SmallString<40> S;
- ptrMask.toStringUnsigned(S);
- O << ") & " << S.str() << ')';
- return;
+ // integer slot equal to the size of the pointer.
+ if (TD.getTypeAllocSize(Ty) == TD.getTypeAllocSize(Op->getType()))
+ return OpExpr;
+
+ // Otherwise the pointer is smaller than the resultant integer, mask off
+ // the high bits so we are sure to get a proper truncation if the input is
+ // a constant expr.
+ unsigned InBits = TD.getTypeAllocSizeInBits(Op->getType());
+ const MCExpr *MaskExpr = MCConstantExpr::Create(~0ULL >> (64-InBits), Ctx);
+ return MCBinaryExpr::CreateAnd(OpExpr, MaskExpr, Ctx);
}
- case Instruction::Trunc:
- // We emit the value and depend on the assembler to truncate the generated
- // expression properly. This is important for differences between
- // blockaddress labels. Since the two labels are in the same function, it
- // is reasonable to treat their delta as a 32-bit value.
- return EmitConstantValueOnly(CE->getOperand(0));
-
case Instruction::Add:
case Instruction::Sub:
case Instruction::And:
case Instruction::Or:
- case Instruction::Xor:
- O << '(';
- EmitConstantValueOnly(CE->getOperand(0));
- O << ')';
+ case Instruction::Xor: {
+ const MCExpr *LHS = LowerConstant(CE->getOperand(0), AP);
+ const MCExpr *RHS = LowerConstant(CE->getOperand(1), AP);
switch (CE->getOpcode()) {
- case Instruction::Add:
- O << " + ";
- break;
- case Instruction::Sub:
- O << " - ";
- break;
- case Instruction::And:
- O << " & ";
- break;
- case Instruction::Or:
- O << " | ";
- break;
- case Instruction::Xor:
- O << " ^ ";
- break;
- default:
- break;
+ default: llvm_unreachable("Unknown binary operator constant cast expr");
+ case Instruction::Add: return MCBinaryExpr::CreateAdd(LHS, RHS, Ctx);
+ case Instruction::Sub: return MCBinaryExpr::CreateSub(LHS, RHS, Ctx);
+ case Instruction::And: return MCBinaryExpr::CreateAnd(LHS, RHS, Ctx);
+ case Instruction::Or: return MCBinaryExpr::CreateOr (LHS, RHS, Ctx);
+ case Instruction::Xor: return MCBinaryExpr::CreateXor(LHS, RHS, Ctx);
}
- O << '(';
- EmitConstantValueOnly(CE->getOperand(1));
- O << ')';
- break;
}
-}
-
-/// printAsCString - Print the specified array as a C compatible string, only if
-/// the predicate isString is true.
-///
-static void printAsCString(formatted_raw_ostream &O, const ConstantArray *CVA,
- unsigned LastElt) {
- assert(CVA->isString() && "Array is not string compatible!");
-
- O << '\"';
- for (unsigned i = 0; i != LastElt; ++i) {
- unsigned char C =
- (unsigned char)cast<ConstantInt>(CVA->getOperand(i))->getZExtValue();
- printStringChar(O, C);
}
- O << '\"';
}
-/// EmitString - Emit a zero-byte-terminated string constant.
-///
-void AsmPrinter::EmitString(const ConstantArray *CVA) const {
- unsigned NumElts = CVA->getNumOperands();
- if (MAI->getAscizDirective() && NumElts &&
- cast<ConstantInt>(CVA->getOperand(NumElts-1))->getZExtValue() == 0) {
- O << MAI->getAscizDirective();
- printAsCString(O, CVA, NumElts-1);
- } else {
- O << MAI->getAsciiDirective();
- printAsCString(O, CVA, NumElts);
+static void EmitGlobalConstantArray(const ConstantArray *CA, unsigned AddrSpace,
+ AsmPrinter &AP) {
+ if (AddrSpace != 0 || !CA->isString()) {
+ // Not a string. Print the values in successive locations
+ for (unsigned i = 0, e = CA->getNumOperands(); i != e; ++i)
+ AP.EmitGlobalConstant(CA->getOperand(i), AddrSpace);
+ return;
}
- O << '\n';
-}
+
+ // Otherwise, it can be emitted as .ascii.
+ SmallVector<char, 128> TmpVec;
+ TmpVec.reserve(CA->getNumOperands());
+ for (unsigned i = 0, e = CA->getNumOperands(); i != e; ++i)
+ TmpVec.push_back(cast<ConstantInt>(CA->getOperand(i))->getZExtValue());
-void AsmPrinter::EmitGlobalConstantArray(const ConstantArray *CVA,
- unsigned AddrSpace) {
- if (CVA->isString()) {
- EmitString(CVA);
- } else { // Not a string. Print the values in successive locations
- for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i)
- EmitGlobalConstant(CVA->getOperand(i), AddrSpace);
- }
+ AP.OutStreamer.EmitBytes(StringRef(TmpVec.data(), TmpVec.size()), AddrSpace);
}
-void AsmPrinter::EmitGlobalConstantVector(const ConstantVector *CP) {
- const VectorType *PTy = CP->getType();
-
- for (unsigned I = 0, E = PTy->getNumElements(); I < E; ++I)
- EmitGlobalConstant(CP->getOperand(I));
+static void EmitGlobalConstantVector(const ConstantVector *CV,
+ unsigned AddrSpace, AsmPrinter &AP) {
+ for (unsigned i = 0, e = CV->getType()->getNumElements(); i != e; ++i)
+ AP.EmitGlobalConstant(CV->getOperand(i), AddrSpace);
}
-void AsmPrinter::EmitGlobalConstantStruct(const ConstantStruct *CVS,
- unsigned AddrSpace) {
+static void EmitGlobalConstantStruct(const ConstantStruct *CS,
+ unsigned AddrSpace, AsmPrinter &AP) {
// Print the fields in successive locations. Pad to align if needed!
- const TargetData *TD = TM.getTargetData();
- unsigned Size = TD->getTypeAllocSize(CVS->getType());
- const StructLayout *cvsLayout = TD->getStructLayout(CVS->getType());
- uint64_t sizeSoFar = 0;
- for (unsigned i = 0, e = CVS->getNumOperands(); i != e; ++i) {
- const Constant* field = CVS->getOperand(i);
+ const TargetData *TD = AP.TM.getTargetData();
+ unsigned Size = TD->getTypeAllocSize(CS->getType());
+ const StructLayout *Layout = TD->getStructLayout(CS->getType());
+ uint64_t SizeSoFar = 0;
+ for (unsigned i = 0, e = CS->getNumOperands(); i != e; ++i) {
+ const Constant *Field = CS->getOperand(i);
// Check if padding is needed and insert one or more 0s.
- uint64_t fieldSize = TD->getTypeAllocSize(field->getType());
- uint64_t padSize = ((i == e-1 ? Size : cvsLayout->getElementOffset(i+1))
- - cvsLayout->getElementOffset(i)) - fieldSize;
- sizeSoFar += fieldSize + padSize;
+ uint64_t FieldSize = TD->getTypeAllocSize(Field->getType());
+ uint64_t PadSize = ((i == e-1 ? Size : Layout->getElementOffset(i+1))
+ - Layout->getElementOffset(i)) - FieldSize;
+ SizeSoFar += FieldSize + PadSize;
// Now print the actual field value.
- EmitGlobalConstant(field, AddrSpace);
+ AP.EmitGlobalConstant(Field, AddrSpace);
// Insert padding - this may include padding to increase the size of the
// current field up to the ABI size (if the struct is not packed) as well
// as padding to ensure that the next field starts at the right offset.
- EmitZeros(padSize, AddrSpace);
+ AP.OutStreamer.EmitZeros(PadSize, AddrSpace);
}
- assert(sizeSoFar == cvsLayout->getSizeInBytes() &&
+ assert(SizeSoFar == Layout->getSizeInBytes() &&
"Layout of constant struct may be incorrect!");
}
-void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP,
- unsigned AddrSpace) {
+static void EmitGlobalConstantFP(const ConstantFP *CFP, unsigned AddrSpace,
+ AsmPrinter &AP) {
// FP Constants are printed as integer constants to avoid losing
- // precision...
- LLVMContext &Context = CFP->getContext();
- const TargetData *TD = TM.getTargetData();
+ // precision.
if (CFP->getType()->isDoubleTy()) {
- double Val = CFP->getValueAPF().convertToDouble(); // for comment only
- uint64_t i = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- 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 << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " most significant word of double " << Val;
- }
- O << '\n';
- 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 << MAI->getData32bitsDirective(AddrSpace) << unsigned(i);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " least significant word of double " << Val;
- }
- O << '\n';
- O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " most significant word of double " << Val;
- }
- O << '\n';
+ if (AP.VerboseAsm) {
+ double Val = CFP->getValueAPF().convertToDouble();
+ AP.OutStreamer.GetCommentOS() << "double " << Val << '\n';
}
+
+ uint64_t Val = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
+ AP.OutStreamer.EmitIntValue(Val, 8, AddrSpace);
return;
}
if (CFP->getType()->isFloatTy()) {
- float Val = CFP->getValueAPF().convertToFloat(); // for comment only
- O << MAI->getData32bitsDirective(AddrSpace)
- << CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << " float " << Val;
+ if (AP.VerboseAsm) {
+ float Val = CFP->getValueAPF().convertToFloat();
+ AP.OutStreamer.GetCommentOS() << "float " << Val << '\n';
}
- O << '\n';
+ uint64_t Val = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
+ AP.OutStreamer.EmitIntValue(Val, 4, AddrSpace);
return;
}
if (CFP->getType()->isX86_FP80Ty()) {
// 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();
- // Convert to double so we can print the approximate val as a comment.
- APFloat DoubleVal = CFP->getValueAPF();
- bool ignored;
- DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
- &ignored);
- if (TD->isBigEndian()) {
- 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 << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << " next halfword";
- }
- O << '\n';
- O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << " next halfword";
- }
- O << '\n';
- O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << " next halfword";
- }
- O << '\n';
- O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " least significant halfword";
- }
- O << '\n';
- } else {
- 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 << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " next halfword";
- }
- O << '\n';
- O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " next halfword";
- }
- O << '\n';
- O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " next halfword";
- }
- O << '\n';
- O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " most significant halfword";
- }
- O << '\n';
+ APInt API = CFP->getValueAPF().bitcastToAPInt();
+ const uint64_t *p = API.getRawData();
+ if (AP.VerboseAsm) {
+ // Convert to double so we can print the approximate val as a comment.
+ APFloat DoubleVal = CFP->getValueAPF();
+ bool ignored;
+ DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
+ &ignored);
+ AP.OutStreamer.GetCommentOS() << "x86_fp80 ~= "
+ << DoubleVal.convertToDouble() << '\n';
}
- EmitZeros(TD->getTypeAllocSize(Type::getX86_FP80Ty(Context)) -
- TD->getTypeStoreSize(Type::getX86_FP80Ty(Context)), AddrSpace);
+
+ if (AP.TM.getTargetData()->isBigEndian()) {
+ AP.OutStreamer.EmitIntValue(p[1], 2, AddrSpace);
+ AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
+ } else {
+ AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
+ AP.OutStreamer.EmitIntValue(p[1], 2, AddrSpace);
+ }
+
+ // Emit the tail padding for the long double.
+ const TargetData &TD = *AP.TM.getTargetData();
+ AP.OutStreamer.EmitZeros(TD.getTypeAllocSize(CFP->getType()) -
+ TD.getTypeStoreSize(CFP->getType()), AddrSpace);
return;
}
- 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 << 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 << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " next word";
- }
- O << '\n';
- O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " next word";
- }
- O << '\n';
- O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " least significant word";
- }
- O << '\n';
- } else {
- 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 << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " next word";
- }
- O << '\n';
- O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]);
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << " next word";
- }
- O << '\n';
- 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 llvm_unreachable("Floating point constant type not handled");
+ assert(CFP->getType()->isPPC_FP128Ty() &&
+ "Floating point constant type not handled");
+ // 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 (AP.TM.getTargetData()->isBigEndian()) {
+ AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
+ AP.OutStreamer.EmitIntValue(p[1], 8, AddrSpace);
+ } else {
+ AP.OutStreamer.EmitIntValue(p[1], 8, AddrSpace);
+ AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
+ }
}
-void AsmPrinter::EmitGlobalConstantLargeInt(const ConstantInt *CI,
- unsigned AddrSpace) {
- const TargetData *TD = TM.getTargetData();
+static void EmitGlobalConstantLargeInt(const ConstantInt *CI,
+ unsigned AddrSpace, AsmPrinter &AP) {
+ const TargetData *TD = AP.TM.getTargetData();
unsigned BitWidth = CI->getBitWidth();
assert((BitWidth & 63) == 0 && "only support multiples of 64-bits");
@@ -1253,100 +1003,58 @@ void AsmPrinter::EmitGlobalConstantLargeInt(const ConstantInt *CI,
// quantities at a time.
const uint64_t *RawData = CI->getValue().getRawData();
for (unsigned i = 0, e = BitWidth / 64; i != e; ++i) {
- uint64_t Val;
- if (TD->isBigEndian())
- Val = RawData[e - i - 1];
- else
- Val = RawData[i];
-
- if (MAI->getData64bitsDirective(AddrSpace)) {
- O << MAI->getData64bitsDirective(AddrSpace) << Val << '\n';
- continue;
- }
-
- // Emit two 32-bit chunks, order depends on endianness.
- unsigned FirstChunk = unsigned(Val), SecondChunk = unsigned(Val >> 32);
- const char *FirstName = " least", *SecondName = " most";
- if (TD->isBigEndian()) {
- std::swap(FirstChunk, SecondChunk);
- std::swap(FirstName, SecondName);
- }
-
- O << MAI->getData32bitsDirective(AddrSpace) << FirstChunk;
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << FirstName << " significant half of i64 " << Val;
- }
- O << '\n';
-
- O << MAI->getData32bitsDirective(AddrSpace) << SecondChunk;
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString()
- << SecondName << " significant half of i64 " << Val;
- }
- O << '\n';
+ uint64_t Val = TD->isBigEndian() ? RawData[e - i - 1] : RawData[i];
+ AP.OutStreamer.EmitIntValue(Val, 8, AddrSpace);
}
}
/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
void AsmPrinter::EmitGlobalConstant(const Constant *CV, unsigned AddrSpace) {
- const TargetData *TD = TM.getTargetData();
- const Type *type = CV->getType();
- unsigned Size = TD->getTypeAllocSize(type);
-
- if (CV->isNullValue() || isa<UndefValue>(CV)) {
- EmitZeros(Size, AddrSpace);
- return;
- }
-
- if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
- EmitGlobalConstantArray(CVA , AddrSpace);
- return;
- }
-
- if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
- EmitGlobalConstantStruct(CVS, AddrSpace);
- return;
+ if (isa<ConstantAggregateZero>(CV) || isa<UndefValue>(CV)) {
+ uint64_t Size = TM.getTargetData()->getTypeAllocSize(CV->getType());
+ return OutStreamer.EmitZeros(Size, AddrSpace);
}
- if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
- EmitGlobalConstantFP(CFP, AddrSpace);
- return;
- }
-
if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
- // If we can directly emit an 8-byte constant, do it.
- if (Size == 8)
- if (const char *Data64Dir = MAI->getData64bitsDirective(AddrSpace)) {
- O << Data64Dir << CI->getZExtValue() << '\n';
- return;
- }
-
- // Small integers are handled below; large integers are handled here.
- if (Size > 4) {
- EmitGlobalConstantLargeInt(CI, AddrSpace);
+ unsigned Size = TM.getTargetData()->getTypeAllocSize(CV->getType());
+ switch (Size) {
+ case 1:
+ case 2:
+ case 4:
+ case 8:
+ if (VerboseAsm)
+ OutStreamer.GetCommentOS() << format("0x%llx\n", CI->getZExtValue());
+ OutStreamer.EmitIntValue(CI->getZExtValue(), Size, AddrSpace);
+ return;
+ default:
+ EmitGlobalConstantLargeInt(CI, AddrSpace, *this);
return;
}
}
- if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) {
- EmitGlobalConstantVector(CP);
- return;
- }
+ if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV))
+ return EmitGlobalConstantArray(CVA, AddrSpace, *this);
+
+ if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV))
+ return EmitGlobalConstantStruct(CVS, AddrSpace, *this);
- printDataDirective(type, AddrSpace);
- EmitConstantValueOnly(CV);
- if (VerboseAsm) {
- if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
- SmallString<40> S;
- CI->getValue().toStringUnsigned(S, 16);
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << " 0x" << S.str();
- }
+ if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV))
+ return EmitGlobalConstantFP(CFP, AddrSpace, *this);
+
+ if (const ConstantVector *V = dyn_cast<ConstantVector>(CV))
+ return EmitGlobalConstantVector(V, AddrSpace, *this);
+
+ if (isa<ConstantPointerNull>(CV)) {
+ unsigned Size = TM.getTargetData()->getTypeAllocSize(CV->getType());
+ OutStreamer.EmitIntValue(0, Size, AddrSpace);
+ return;
}
- O << '\n';
+
+ // Otherwise, it must be a ConstantExpr. Lower it to an MCExpr, then emit it
+ // thread the streamer with EmitValue.
+ OutStreamer.EmitValue(LowerConstant(CV, *this),
+ TM.getTargetData()->getTypeAllocSize(CV->getType()),
+ AddrSpace);
}
void AsmPrinter::EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) {
@@ -1397,22 +1105,21 @@ void AsmPrinter::processDebugLoc(const MachineInstr *MI,
DebugLoc DL = MI->getDebugLoc();
if (DL.isUnknown())
return;
- DebugLocTuple CurDLT = MF->getDebugLocTuple(DL);
- if (CurDLT.Scope == 0)
+ DILocation CurDLT = MF->getDILocation(DL);
+ if (CurDLT.getScope().isNull())
return;
- if (BeforePrintingInsn) {
- if (CurDLT != PrevDLT) {
- unsigned L = DW->RecordSourceLine(CurDLT.Line, CurDLT.Col,
- CurDLT.Scope);
- printLabel(L);
- O << '\n';
- DW->BeginScope(MI, L);
- PrevDLT = CurDLT;
- }
- } else {
+ if (!BeforePrintingInsn) {
// After printing instruction
DW->EndScope(MI);
+ } else if (CurDLT.getNode() != PrevDLT) {
+ unsigned L = DW->RecordSourceLine(CurDLT.getLineNumber(),
+ CurDLT.getColumnNumber(),
+ CurDLT.getScope().getNode());
+ printLabel(L);
+ O << '\n';
+ DW->BeginScope(MI, L);
+ PrevDLT = CurDLT.getNode();
}
}
@@ -1587,9 +1294,8 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
unsigned OpFlags = MI->getOperand(OpNo).getImm();
++OpNo; // Skip over the ID number.
- if (Modifier[0]=='l') // labels are target independent
- GetMBBSymbol(MI->getOperand(OpNo).getMBB()
- ->getNumber())->print(O, MAI);
+ if (Modifier[0] == 'l') // labels are target independent
+ O << *GetMBBSymbol(MI->getOperand(OpNo).getMBB()->getNumber());
else {
AsmPrinter *AP = const_cast<AsmPrinter*>(this);
if ((OpFlags & 7) == 4) {
@@ -1604,8 +1310,7 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
if (Error) {
std::string msg;
raw_string_ostream Msg(msg);
- Msg << "Invalid operand found in inline asm: '"
- << AsmStr << "'\n";
+ Msg << "Invalid operand found in inline asm: '" << AsmStr << "'\n";
MI->print(Msg);
llvm_report_error(Msg.str());
}
@@ -1694,10 +1399,121 @@ MCSymbol *AsmPrinter::GetMBBSymbol(unsigned MBBID) const {
SmallString<60> Name;
raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "BB"
<< getFunctionNumber() << '_' << MBBID;
-
return OutContext.GetOrCreateSymbol(Name.str());
}
+/// GetCPISymbol - Return the symbol for the specified constant pool entry.
+MCSymbol *AsmPrinter::GetCPISymbol(unsigned CPID) const {
+ SmallString<60> Name;
+ raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "CPI"
+ << getFunctionNumber() << '_' << CPID;
+ return OutContext.GetOrCreateSymbol(Name.str());
+}
+
+/// GetJTISymbol - Return the symbol for the specified jump table entry.
+MCSymbol *AsmPrinter::GetJTISymbol(unsigned JTID, bool isLinkerPrivate) const {
+ const char *Prefix = isLinkerPrivate ? MAI->getLinkerPrivateGlobalPrefix() :
+ MAI->getPrivateGlobalPrefix();
+ SmallString<60> Name;
+ raw_svector_ostream(Name) << Prefix << "JTI" << getFunctionNumber() << '_'
+ << JTID;
+ return OutContext.GetOrCreateSymbol(Name.str());
+}
+
+/// GetGlobalValueSymbol - Return the MCSymbol for the specified global
+/// value.
+MCSymbol *AsmPrinter::GetGlobalValueSymbol(const GlobalValue *GV) const {
+ SmallString<60> NameStr;
+ Mang->getNameWithPrefix(NameStr, GV, false);
+ return OutContext.GetOrCreateSymbol(NameStr.str());
+}
+
+/// GetSymbolWithGlobalValueBase - Return the MCSymbol for a symbol with
+/// global value name as its base, with the specified suffix, and where the
+/// symbol is forced to have private linkage if ForcePrivate is true.
+MCSymbol *AsmPrinter::GetSymbolWithGlobalValueBase(const GlobalValue *GV,
+ StringRef Suffix,
+ bool ForcePrivate) const {
+ SmallString<60> NameStr;
+ Mang->getNameWithPrefix(NameStr, GV, ForcePrivate);
+ NameStr.append(Suffix.begin(), Suffix.end());
+ return OutContext.GetOrCreateSymbol(NameStr.str());
+}
+
+/// GetExternalSymbolSymbol - Return the MCSymbol for the specified
+/// ExternalSymbol.
+MCSymbol *AsmPrinter::GetExternalSymbolSymbol(StringRef Sym) const {
+ SmallString<60> NameStr;
+ Mang->getNameWithPrefix(NameStr, Sym);
+ return OutContext.GetOrCreateSymbol(NameStr.str());
+}
+
+
+
+/// PrintParentLoopComment - Print comments about parent loops of this one.
+static void PrintParentLoopComment(raw_ostream &OS, const MachineLoop *Loop,
+ unsigned FunctionNumber) {
+ if (Loop == 0) return;
+ PrintParentLoopComment(OS, Loop->getParentLoop(), FunctionNumber);
+ OS.indent(Loop->getLoopDepth()*2)
+ << "Parent Loop BB" << FunctionNumber << "_"
+ << Loop->getHeader()->getNumber()
+ << " Depth=" << Loop->getLoopDepth() << '\n';
+}
+
+
+/// PrintChildLoopComment - Print comments about child loops within
+/// the loop for this basic block, with nesting.
+static void PrintChildLoopComment(raw_ostream &OS, const MachineLoop *Loop,
+ unsigned FunctionNumber) {
+ // Add child loop information
+ for (MachineLoop::iterator CL = Loop->begin(), E = Loop->end();CL != E; ++CL){
+ OS.indent((*CL)->getLoopDepth()*2)
+ << "Child Loop BB" << FunctionNumber << "_"
+ << (*CL)->getHeader()->getNumber() << " Depth " << (*CL)->getLoopDepth()
+ << '\n';
+ PrintChildLoopComment(OS, *CL, FunctionNumber);
+ }
+}
+
+/// EmitComments - Pretty-print comments for basic blocks.
+static void PrintBasicBlockLoopComments(const MachineBasicBlock &MBB,
+ const MachineLoopInfo *LI,
+ const AsmPrinter &AP) {
+ // Add loop depth information
+ const MachineLoop *Loop = LI->getLoopFor(&MBB);
+ if (Loop == 0) return;
+
+ MachineBasicBlock *Header = Loop->getHeader();
+ assert(Header && "No header for loop");
+
+ // If this block is not a loop header, just print out what is the loop header
+ // and return.
+ if (Header != &MBB) {
+ AP.OutStreamer.AddComment(" in Loop: Header=BB" +
+ Twine(AP.getFunctionNumber())+"_" +
+ Twine(Loop->getHeader()->getNumber())+
+ " Depth="+Twine(Loop->getLoopDepth()));
+ return;
+ }
+
+ // Otherwise, it is a loop header. Print out information about child and
+ // parent loops.
+ raw_ostream &OS = AP.OutStreamer.GetCommentOS();
+
+ PrintParentLoopComment(OS, Loop->getParentLoop(), AP.getFunctionNumber());
+
+ OS << "=>";
+ OS.indent(Loop->getLoopDepth()*2-2);
+
+ OS << "This ";
+ if (Loop->empty())
+ OS << "Inner ";
+ OS << "Loop Header: Depth=" + Twine(Loop->getLoopDepth()) << '\n';
+
+ PrintChildLoopComment(OS, Loop, AP.getFunctionNumber());
+}
+
/// EmitBasicBlockStart - This method prints the label for the specified
/// MachineBasicBlock, an alignment (if present) and a comment describing
@@ -1713,38 +1529,33 @@ void AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock *MBB) const {
// forward references to labels without knowing what their numbers
// will be.
if (MBB->hasAddressTaken()) {
- GetBlockAddressSymbol(MBB->getBasicBlock()->getParent(),
- MBB->getBasicBlock())->print(O, MAI);
- O << ':';
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << " Address Taken";
- }
- O << '\n';
+ const BasicBlock *BB = MBB->getBasicBlock();
+ if (VerboseAsm)
+ OutStreamer.AddComment("Address Taken");
+ OutStreamer.EmitLabel(GetBlockAddressSymbol(BB->getParent(), BB));
}
// Print the main label for the block.
if (MBB->pred_empty() || MBB->isOnlyReachableByFallthrough()) {
- if (VerboseAsm)
+ if (VerboseAsm) {
+ // NOTE: Want this comment at start of line.
O << MAI->getCommentString() << " BB#" << MBB->getNumber() << ':';
+ if (const BasicBlock *BB = MBB->getBasicBlock())
+ if (BB->hasName())
+ OutStreamer.AddComment("%" + BB->getName());
+
+ PrintBasicBlockLoopComments(*MBB, LI, *this);
+ OutStreamer.AddBlankLine();
+ }
} else {
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
- O << ':';
- if (!VerboseAsm)
- O << '\n';
- }
-
- // Print some comments to accompany the label.
- if (VerboseAsm) {
- if (const BasicBlock *BB = MBB->getBasicBlock())
- if (BB->hasName()) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << ' ';
- WriteAsOperand(O, BB, /*PrintType=*/false);
- }
+ if (VerboseAsm) {
+ if (const BasicBlock *BB = MBB->getBasicBlock())
+ if (BB->hasName())
+ OutStreamer.AddComment("%" + BB->getName());
+ PrintBasicBlockLoopComments(*MBB, LI, *this);
+ }
- EmitComments(*MBB);
- O << '\n';
+ OutStreamer.EmitLabel(GetMBBSymbol(MBB->getNumber()));
}
}
@@ -1756,10 +1567,9 @@ void AsmPrinter::printPICJumpTableSetLabel(unsigned uid,
return;
O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix()
- << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
- O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
- << '_' << uid << '\n';
+ << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ','
+ << *GetMBBSymbol(MBB->getNumber())
+ << '-' << *GetJTISymbol(uid) << '\n';
}
void AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
@@ -1769,64 +1579,27 @@ void AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << '_' << uid2
- << "_set_" << MBB->getNumber() << ',';
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
- O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ << "_set_" << MBB->getNumber() << ','
+ << *GetMBBSymbol(MBB->getNumber())
+ << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << uid << '_' << uid2 << '\n';
}
-/// printDataDirective - This method prints the asm directive for the
-/// specified type.
-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 << MAI->getData8bitsDirective(AddrSpace);
- else if (BitWidth <= 16)
- O << MAI->getData16bitsDirective(AddrSpace);
- else if (BitWidth <= 32)
- O << MAI->getData32bitsDirective(AddrSpace);
- else if (BitWidth <= 64) {
- assert(MAI->getData64bitsDirective(AddrSpace) &&
- "Target cannot handle 64-bit constant exprs!");
- O << MAI->getData64bitsDirective(AddrSpace);
- } else {
- llvm_unreachable("Target cannot handle given data directive width!");
- }
+void AsmPrinter::printVisibility(MCSymbol *Sym, unsigned Visibility) const {
+ MCSymbolAttr Attr = MCSA_Invalid;
+
+ switch (Visibility) {
+ default: break;
+ case GlobalValue::HiddenVisibility:
+ Attr = MAI->getHiddenVisibilityAttr();
break;
- }
- case Type::PointerTyID:
- if (TD->getPointerSize() == 8) {
- assert(MAI->getData64bitsDirective(AddrSpace) &&
- "Target cannot handle 64-bit pointer exprs!");
- O << MAI->getData64bitsDirective(AddrSpace);
- } else if (TD->getPointerSize() == 2) {
- O << MAI->getData16bitsDirective(AddrSpace);
- } else if (TD->getPointerSize() == 1) {
- O << MAI->getData8bitsDirective(AddrSpace);
- } else {
- O << MAI->getData32bitsDirective(AddrSpace);
- }
+ case GlobalValue::ProtectedVisibility:
+ Attr = MAI->getProtectedVisibilityAttr();
break;
}
-}
-void AsmPrinter::printVisibility(const std::string& Name,
- unsigned Visibility) const {
- if (Visibility == GlobalValue::HiddenVisibility) {
- if (const char *Directive = MAI->getHiddenDirective())
- O << Directive << Name << '\n';
- } else if (Visibility == GlobalValue::ProtectedVisibility) {
- if (const char *Directive = MAI->getProtectedDirective())
- O << Directive << Name << '\n';
- }
+ if (Attr != MCSA_Invalid)
+ OutStreamer.EmitSymbolAttribute(Sym, Attr);
}
void AsmPrinter::printOffset(int64_t Offset) const {
@@ -1856,8 +1629,8 @@ GCMetadataPrinter *AsmPrinter::GetOrCreateGCPrinter(GCStrategy *S) {
return GMP;
}
- errs() << "no GCMetadataPrinter registered for GC: " << Name << "\n";
- llvm_unreachable(0);
+ llvm_report_error("no GCMetadataPrinter registered for GC: " + Twine(Name));
+ return 0;
}
/// EmitComments - Pretty-print comments for instructions
@@ -1868,20 +1641,20 @@ void AsmPrinter::EmitComments(const MachineInstr &MI) const {
bool Newline = false;
if (!MI.getDebugLoc().isUnknown()) {
- DebugLocTuple DLT = MF->getDebugLocTuple(MI.getDebugLoc());
+ DILocation DLT = MF->getDILocation(MI.getDebugLoc());
// Print source line info.
O.PadToColumn(MAI->getCommentColumn());
O << MAI->getCommentString() << ' ';
- DIScope Scope(DLT.Scope);
+ DIScope Scope = DLT.getScope();
// Omit the directory, because it's likely to be long and uninteresting.
if (!Scope.isNull())
O << Scope.getFilename();
else
O << "<unknown>";
- O << ':' << DLT.Line;
- if (DLT.Col != 0)
- O << ':' << DLT.Col;
+ O << ':' << DLT.getLineNumber();
+ if (DLT.getColumnNumber() != 0)
+ O << ':' << DLT.getColumnNumber();
Newline = true;
}
@@ -1943,80 +1716,3 @@ void AsmPrinter::EmitComments(const MachineInstr &MI) const {
}
}
-/// 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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