#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/ConstantFolding.h"
-#include "llvm/Analysis/JumpInstrTableInfo.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/GCMetadataPrinter.h"
#include "llvm/CodeGen/MachineConstantPool.h"
return *TM.getObjFileLowering();
}
-/// getDataLayout - Return information about data layout.
const DataLayout &AsmPrinter::getDataLayout() const {
- return *TM.getDataLayout();
+ return MMI->getModule()->getDataLayout();
+}
+
+unsigned AsmPrinter::getPointerSize() const {
+ return TM.getDataLayout()->getPointerSize();
}
const MCSubtargetInfo &AsmPrinter::getSubtargetInfo() const {
}
StringRef AsmPrinter::getTargetTriple() const {
- return TM.getTargetTriple();
+ return TM.getTargetTriple().str();
}
/// getCurrentSection() - Return the current section we are emitting to.
OutStreamer->InitSections(false);
- Mang = new Mangler(TM.getDataLayout());
+ Mang = new Mangler();
// Emit the version-min deplyment target directive if needed.
//
// We're at the module level. Construct MCSubtarget from the default CPU
// and target triple.
std::unique_ptr<MCSubtargetInfo> STI(TM.getTarget().createMCSubtargetInfo(
- TM.getTargetTriple(), TM.getTargetCPU(), TM.getTargetFeatureString()));
+ TM.getTargetTriple().str(), TM.getTargetCPU(),
+ TM.getTargetFeatureString()));
OutStreamer->AddComment("Start of file scope inline assembly");
OutStreamer->AddBlankLine();
EmitInlineAsm(M.getModuleInlineAsm()+"\n", *STI, TM.Options.MCOptions);
if (MAI->doesSupportDebugInformation()) {
bool skip_dwarf = false;
- if (Triple(TM.getTargetTriple()).isKnownWindowsMSVCEnvironment()) {
+ if (TM.getTargetTriple().isKnownWindowsMSVCEnvironment()) {
Handlers.push_back(HandlerInfo(new WinCodeViewLineTables(this),
DbgTimerName,
CodeViewLineTablesGroupName));
SectionKind GVKind = TargetLoweringObjectFile::getKindForGlobal(GV, TM);
- const DataLayout *DL = TM.getDataLayout();
- uint64_t Size = DL->getTypeAllocSize(GV->getType()->getElementType());
+ const DataLayout &DL = GV->getParent()->getDataLayout();
+ uint64_t Size = DL.getTypeAllocSize(GV->getType()->getElementType());
// If the alignment is specified, we *must* obey it. Overaligning a global
// with a specified alignment is a prompt way to break globals emitted to
// sections and expected to be contiguous (e.g. ObjC metadata).
- unsigned AlignLog = getGVAlignmentLog2(GV, *DL);
+ unsigned AlignLog = getGVAlignmentLog2(GV, DL);
for (const HandlerInfo &HI : Handlers) {
NamedRegionTimer T(HI.TimerName, HI.TimerGroupName, TimePassesIsEnabled);
EmitAlignment(AlignLog, GV);
OutStreamer->EmitLabel(MangSym);
- EmitGlobalConstant(GV->getInitializer());
+ EmitGlobalConstant(GV->getParent()->getDataLayout(),
+ GV->getInitializer());
}
OutStreamer->AddBlankLine();
// - __tlv_bootstrap - used to make sure support exists
// - spare pointer, used when mapped by the runtime
// - pointer to mangled symbol above with initializer
- unsigned PtrSize = DL->getPointerTypeSize(GV->getType());
+ unsigned PtrSize = DL.getPointerTypeSize(GV->getType());
OutStreamer->EmitSymbolValue(GetExternalSymbolSymbol("_tlv_bootstrap"),
PtrSize);
OutStreamer->EmitIntValue(0, PtrSize);
OutStreamer->EmitLabel(GVSym);
- EmitGlobalConstant(GV->getInitializer());
+ EmitGlobalConstant(GV->getParent()->getDataLayout(), GV->getInitializer());
if (MAI->hasDotTypeDotSizeDirective())
// .size foo, 42
// Emit the prefix data.
if (F->hasPrefixData())
- EmitGlobalConstant(F->getPrefixData());
+ EmitGlobalConstant(F->getParent()->getDataLayout(), F->getPrefixData());
// Emit the CurrentFnSym. This is a virtual function to allow targets to
// do their wild and crazy things as required.
// Emit the prologue data.
if (F->hasPrologueData())
- EmitGlobalConstant(F->getPrologueData());
+ EmitGlobalConstant(F->getParent()->getDataLayout(), F->getPrologueData());
}
/// EmitFunctionEntryLabel - Emit the label that is the entrypoint for the
emitCFIInstruction(MI);
break;
- case TargetOpcode::FRAME_ALLOC:
+ case TargetOpcode::LOCAL_ESCAPE:
emitFrameAlloc(MI);
break;
const MCExpr *SizeExp = MCBinaryExpr::createSub(
MCSymbolRefExpr::create(CurrentFnEnd, OutContext),
MCSymbolRefExpr::create(CurrentFnSymForSize, OutContext), OutContext);
- OutStreamer->emitELFSize(cast<MCSymbolELF>(CurrentFnSym), SizeExp);
+ if (auto Sym = dyn_cast<MCSymbolELF>(CurrentFnSym))
+ OutStreamer->emitELFSize(Sym, SizeExp);
}
for (const HandlerInfo &HI : Handlers) {
// Emit visibility info for declarations
for (const Function &F : M) {
- if (!F.isDeclaration())
+ if (!F.isDeclarationForLinker())
continue;
GlobalValue::VisibilityTypes V = F.getVisibility();
if (V == GlobalValue::DefaultVisibility)
if (!ModuleFlags.empty())
TLOF.emitModuleFlags(*OutStreamer, ModuleFlags, *Mang, TM);
- Triple TT(TM.getTargetTriple());
- if (TT.isOSBinFormatELF()) {
+ if (TM.getTargetTriple().isOSBinFormatELF()) {
MachineModuleInfoELF &MMIELF = MMI->getObjFileInfo<MachineModuleInfoELF>();
// Output stubs for external and common global variables.
MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList();
if (!Stubs.empty()) {
OutStreamer->SwitchSection(TLOF.getDataRelSection());
- const DataLayout *DL = TM.getDataLayout();
+ const DataLayout &DL = M.getDataLayout();
for (const auto &Stub : Stubs) {
OutStreamer->EmitLabel(Stub.first);
OutStreamer->EmitSymbolValue(Stub.second.getPointer(),
- DL->getPointerSize());
+ DL.getPointerSize());
}
}
}
// Emit the directives as assignments aka .set:
OutStreamer->EmitAssignment(Name, lowerConstant(Alias.getAliasee()));
+
+ // Set the size of the alias symbol if we can, as otherwise the alias gets
+ // the size of the aliasee which may not be correct e.g. if the alias is of
+ // a member of a struct.
+ if (MAI->hasDotTypeDotSizeDirective() && Alias.getValueType()->isSized()) {
+ const DataLayout &DL = M.getDataLayout();
+ uint64_t Size = DL.getTypeAllocSize(Alias.getValueType());
+ OutStreamer->emitELFSize(cast<MCSymbolELF>(Name),
+ MCConstantExpr::create(Size, OutContext));
+ }
}
GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>();
// Emit __morestack address if needed for indirect calls.
if (MMI->usesMorestackAddr()) {
- MCSection *ReadOnlySection =
- getObjFileLowering().getSectionForConstant(SectionKind::getReadOnly(),
- /*C=*/nullptr);
+ MCSection *ReadOnlySection = getObjFileLowering().getSectionForConstant(
+ getDataLayout(), SectionKind::getReadOnly(),
+ /*C=*/nullptr);
OutStreamer->SwitchSection(ReadOnlySection);
MCSymbol *AddrSymbol =
OutContext.getOrCreateSymbol(StringRef("__morestack_addr"));
OutStreamer->EmitLabel(AddrSymbol);
- unsigned PtrSize = TM.getDataLayout()->getPointerSize(0);
+ unsigned PtrSize = M.getDataLayout().getPointerSize(0);
OutStreamer->EmitSymbolValue(GetExternalSymbolSymbol("__morestack"),
PtrSize);
}
const MachineConstantPoolEntry &CPE = CP[i];
unsigned Align = CPE.getAlignment();
- SectionKind Kind =
- CPE.getSectionKind(TM.getDataLayout());
+ SectionKind Kind = CPE.getSectionKind(&getDataLayout());
const Constant *C = nullptr;
if (!CPE.isMachineConstantPoolEntry())
C = CPE.Val.ConstVal;
- MCSection *S = getObjFileLowering().getSectionForConstant(Kind, C);
+ MCSection *S =
+ getObjFileLowering().getSectionForConstant(getDataLayout(), Kind, C);
// The number of sections are small, just do a linear search from the
// last section to the first.
OutStreamer->EmitZeros(NewOffset - Offset);
Type *Ty = CPE.getType();
- Offset = NewOffset +
- TM.getDataLayout()->getTypeAllocSize(Ty);
+ Offset = NewOffset + getDataLayout().getTypeAllocSize(Ty);
OutStreamer->EmitLabel(Sym);
if (CPE.isMachineConstantPoolEntry())
EmitMachineConstantPoolValue(CPE.Val.MachineCPVal);
else
- EmitGlobalConstant(CPE.Val.ConstVal);
+ EmitGlobalConstant(getDataLayout(), CPE.Val.ConstVal);
}
}
}
/// by the current function to the current output stream.
///
void AsmPrinter::EmitJumpTableInfo() {
- const DataLayout *DL = MF->getTarget().getDataLayout();
+ const DataLayout &DL = MF->getDataLayout();
const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo();
if (!MJTI) return;
if (MJTI->getEntryKind() == MachineJumpTableInfo::EK_Inline) return;
OutStreamer->SwitchSection(ReadOnlySection);
}
- EmitAlignment(Log2_32(
- MJTI->getEntryAlignment(*TM.getDataLayout())));
+ EmitAlignment(Log2_32(MJTI->getEntryAlignment(DL)));
// Jump tables in code sections are marked with a data_region directive
// where that's supported.
// 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 && DL->hasLinkerPrivateGlobalPrefix())
+ if (JTInDiffSection && DL.hasLinkerPrivateGlobalPrefix())
// FIXME: This doesn't have to have any specific name, just any randomly
// named and numbered 'l' label would work. Simplify GetJTISymbol.
OutStreamer->EmitLabel(GetJTISymbol(JTI, true));
assert(Value && "Unknown entry kind!");
- unsigned EntrySize =
- MJTI->getEntrySize(*TM.getDataLayout());
+ unsigned EntrySize = MJTI->getEntrySize(getDataLayout());
OutStreamer->EmitValue(Value, EntrySize);
}
assert(GV->hasInitializer() && "Not a special LLVM global!");
if (GV->getName() == "llvm.global_ctors") {
- EmitXXStructorList(GV->getInitializer(), /* isCtor */ true);
+ EmitXXStructorList(GV->getParent()->getDataLayout(), GV->getInitializer(),
+ /* isCtor */ true);
if (TM.getRelocationModel() == Reloc::Static &&
MAI->hasStaticCtorDtorReferenceInStaticMode()) {
}
if (GV->getName() == "llvm.global_dtors") {
- EmitXXStructorList(GV->getInitializer(), /* isCtor */ false);
+ EmitXXStructorList(GV->getParent()->getDataLayout(), GV->getInitializer(),
+ /* isCtor */ false);
if (TM.getRelocationModel() == Reloc::Static &&
MAI->hasStaticCtorDtorReferenceInStaticMode()) {
/// EmitXXStructorList - Emit the ctor or dtor list taking into account the init
/// priority.
-void AsmPrinter::EmitXXStructorList(const Constant *List, bool isCtor) {
+void AsmPrinter::EmitXXStructorList(const DataLayout &DL, const Constant *List,
+ bool isCtor) {
// Should be an array of '{ int, void ()* }' structs. The first value is the
// init priority.
if (!isa<ConstantArray>(List)) return;
}
// Emit the function pointers in the target-specific order
- const DataLayout *DL = TM.getDataLayout();
- unsigned Align = Log2_32(DL->getPointerPrefAlignment());
+ unsigned Align = Log2_32(DL.getPointerPrefAlignment());
std::stable_sort(Structors.begin(), Structors.end(),
[](const Structor &L,
const Structor &R) { return L.Priority < R.Priority; });
OutStreamer->SwitchSection(OutputSection);
if (OutStreamer->getCurrentSection() != OutStreamer->getPreviousSection())
EmitAlignment(Align);
- EmitXXStructor(S.Func);
+ EmitXXStructor(DL, S.Func);
}
}
//
void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalObject *GV) const {
if (GV)
- NumBits = getGVAlignmentLog2(GV, *TM.getDataLayout(),
- NumBits);
+ NumBits = getGVAlignmentLog2(GV, GV->getParent()->getDataLayout(), NumBits);
if (NumBits == 0) return; // 1-byte aligned: no need to emit alignment.
// If the code isn't optimized, there may be outstanding folding
// opportunities. Attempt to fold the expression using DataLayout as a
// last resort before giving up.
- if (Constant *C = ConstantFoldConstantExpression(CE, *TM.getDataLayout()))
+ if (Constant *C = ConstantFoldConstantExpression(CE, getDataLayout()))
if (C != CE)
return lowerConstant(C);
report_fatal_error(OS.str());
}
case Instruction::GetElementPtr: {
- const DataLayout &DL = *TM.getDataLayout();
-
// Generate a symbolic expression for the byte address
- APInt OffsetAI(DL.getPointerTypeSizeInBits(CE->getType()), 0);
- cast<GEPOperator>(CE)->accumulateConstantOffset(DL, OffsetAI);
+ APInt OffsetAI(getDataLayout().getPointerTypeSizeInBits(CE->getType()), 0);
+ cast<GEPOperator>(CE)->accumulateConstantOffset(getDataLayout(), OffsetAI);
const MCExpr *Base = lowerConstant(CE->getOperand(0));
if (!OffsetAI)
return lowerConstant(CE->getOperand(0));
case Instruction::IntToPtr: {
- const DataLayout &DL = *TM.getDataLayout();
+ const DataLayout &DL = getDataLayout();
// Handle casts to pointers by changing them into casts to the appropriate
// integer type. This promotes constant folding and simplifies this code.
}
case Instruction::PtrToInt: {
- const DataLayout &DL = *TM.getDataLayout();
+ const DataLayout &DL = getDataLayout();
// Support only foldable casts to/from pointers that can be eliminated by
// changing the pointer to the appropriately sized integer type.
}
}
-static void emitGlobalConstantImpl(const Constant *C, AsmPrinter &AP,
+static void emitGlobalConstantImpl(const DataLayout &DL, const Constant *C,
+ AsmPrinter &AP,
const Constant *BaseCV = nullptr,
uint64_t Offset = 0);
/// isRepeatedByteSequence - Determine whether the given value is
/// composed of a repeated sequence of identical bytes and return the
/// byte value. If it is not a repeated sequence, return -1.
-static int isRepeatedByteSequence(const Value *V, TargetMachine &TM) {
-
+static int isRepeatedByteSequence(const Value *V, const DataLayout &DL) {
if (const ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
- if (CI->getBitWidth() > 64) return -1;
-
- uint64_t Size =
- TM.getDataLayout()->getTypeAllocSize(V->getType());
- uint64_t Value = CI->getZExtValue();
+ uint64_t Size = DL.getTypeAllocSizeInBits(V->getType());
+ assert(Size % 8 == 0);
- // Make sure the constant is at least 8 bits long and has a power
- // of 2 bit width. This guarantees the constant bit width is
- // always a multiple of 8 bits, avoiding issues with padding out
- // to Size and other such corner cases.
- if (CI->getBitWidth() < 8 || !isPowerOf2_64(CI->getBitWidth())) return -1;
+ // Extend the element to take zero padding into account.
+ APInt Value = CI->getValue().zextOrSelf(Size);
+ if (!Value.isSplat(8))
+ return -1;
- uint8_t Byte = static_cast<uint8_t>(Value);
-
- for (unsigned i = 1; i < Size; ++i) {
- Value >>= 8;
- if (static_cast<uint8_t>(Value) != Byte) return -1;
- }
- return Byte;
+ return Value.zextOrTrunc(8).getZExtValue();
}
if (const ConstantArray *CA = dyn_cast<ConstantArray>(V)) {
// Make sure all array elements are sequences of the same repeated
// byte.
assert(CA->getNumOperands() != 0 && "Should be a CAZ");
- int Byte = isRepeatedByteSequence(CA->getOperand(0), TM);
- if (Byte == -1) return -1;
-
- for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i) {
- int ThisByte = isRepeatedByteSequence(CA->getOperand(i), TM);
- if (ThisByte == -1) return -1;
- if (Byte != ThisByte) return -1;
- }
+ Constant *Op0 = CA->getOperand(0);
+ int Byte = isRepeatedByteSequence(Op0, DL);
+ if (Byte == -1)
+ return -1;
+
+ // All array elements must be equal.
+ for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i)
+ if (CA->getOperand(i) != Op0)
+ return -1;
return Byte;
}
return -1;
}
-static void emitGlobalConstantDataSequential(const ConstantDataSequential *CDS,
- AsmPrinter &AP){
+static void emitGlobalConstantDataSequential(const DataLayout &DL,
+ const ConstantDataSequential *CDS,
+ AsmPrinter &AP) {
// See if we can aggregate this into a .fill, if so, emit it as such.
- int Value = isRepeatedByteSequence(CDS, AP.TM);
+ int Value = isRepeatedByteSequence(CDS, DL);
if (Value != -1) {
- uint64_t Bytes =
- AP.TM.getDataLayout()->getTypeAllocSize(
- CDS->getType());
+ uint64_t Bytes = DL.getTypeAllocSize(CDS->getType());
// Don't emit a 1-byte object as a .fill.
if (Bytes > 1)
return AP.OutStreamer->EmitFill(Bytes, Value);
}
}
- const DataLayout &DL = *AP.TM.getDataLayout();
unsigned Size = DL.getTypeAllocSize(CDS->getType());
unsigned EmittedSize = DL.getTypeAllocSize(CDS->getType()->getElementType()) *
CDS->getNumElements();
}
-static void emitGlobalConstantArray(const ConstantArray *CA, AsmPrinter &AP,
+static void emitGlobalConstantArray(const DataLayout &DL,
+ const ConstantArray *CA, AsmPrinter &AP,
const Constant *BaseCV, uint64_t Offset) {
// See if we can aggregate some values. Make sure it can be
// represented as a series of bytes of the constant value.
- int Value = isRepeatedByteSequence(CA, AP.TM);
- const DataLayout &DL = *AP.TM.getDataLayout();
+ int Value = isRepeatedByteSequence(CA, DL);
if (Value != -1) {
uint64_t Bytes = DL.getTypeAllocSize(CA->getType());
}
else {
for (unsigned i = 0, e = CA->getNumOperands(); i != e; ++i) {
- emitGlobalConstantImpl(CA->getOperand(i), AP, BaseCV, Offset);
+ emitGlobalConstantImpl(DL, CA->getOperand(i), AP, BaseCV, Offset);
Offset += DL.getTypeAllocSize(CA->getOperand(i)->getType());
}
}
}
-static void emitGlobalConstantVector(const ConstantVector *CV, AsmPrinter &AP) {
+static void emitGlobalConstantVector(const DataLayout &DL,
+ const ConstantVector *CV, AsmPrinter &AP) {
for (unsigned i = 0, e = CV->getType()->getNumElements(); i != e; ++i)
- emitGlobalConstantImpl(CV->getOperand(i), AP);
+ emitGlobalConstantImpl(DL, CV->getOperand(i), AP);
- const DataLayout &DL = *AP.TM.getDataLayout();
unsigned Size = DL.getTypeAllocSize(CV->getType());
unsigned EmittedSize = DL.getTypeAllocSize(CV->getType()->getElementType()) *
CV->getType()->getNumElements();
AP.OutStreamer->EmitZeros(Padding);
}
-static void emitGlobalConstantStruct(const ConstantStruct *CS, AsmPrinter &AP,
+static void emitGlobalConstantStruct(const DataLayout &DL,
+ const ConstantStruct *CS, AsmPrinter &AP,
const Constant *BaseCV, uint64_t Offset) {
// Print the fields in successive locations. Pad to align if needed!
- const DataLayout *DL = AP.TM.getDataLayout();
- unsigned Size = DL->getTypeAllocSize(CS->getType());
- const StructLayout *Layout = DL->getStructLayout(CS->getType());
+ unsigned Size = DL.getTypeAllocSize(CS->getType());
+ const StructLayout *Layout = DL.getStructLayout(CS->getType());
uint64_t SizeSoFar = 0;
for (unsigned i = 0, e = CS->getNumOperands(); i != e; ++i) {
const Constant *Field = CS->getOperand(i);
// Print the actual field value.
- emitGlobalConstantImpl(Field, AP, BaseCV, Offset+SizeSoFar);
+ emitGlobalConstantImpl(DL, Field, AP, BaseCV, Offset + SizeSoFar);
// Check if padding is needed and insert one or more 0s.
- uint64_t FieldSize = DL->getTypeAllocSize(Field->getType());
+ uint64_t FieldSize = DL.getTypeAllocSize(Field->getType());
uint64_t PadSize = ((i == e-1 ? Size : Layout->getElementOffset(i+1))
- Layout->getElementOffset(i)) - FieldSize;
SizeSoFar += FieldSize + PadSize;
// PPC's long double has odd notions of endianness compared to how LLVM
// handles it: p[0] goes first for *big* endian on PPC.
- if (AP.TM.getDataLayout()->isBigEndian() &&
- !CFP->getType()->isPPC_FP128Ty()) {
+ if (AP.getDataLayout().isBigEndian() && !CFP->getType()->isPPC_FP128Ty()) {
int Chunk = API.getNumWords() - 1;
if (TrailingBytes)
}
// Emit the tail padding for the long double.
- const DataLayout &DL = *AP.TM.getDataLayout();
+ const DataLayout &DL = AP.getDataLayout();
AP.OutStreamer->EmitZeros(DL.getTypeAllocSize(CFP->getType()) -
DL.getTypeStoreSize(CFP->getType()));
}
static void emitGlobalConstantLargeInt(const ConstantInt *CI, AsmPrinter &AP) {
- const DataLayout *DL = AP.TM.getDataLayout();
+ const DataLayout &DL = AP.getDataLayout();
unsigned BitWidth = CI->getBitWidth();
// Copy the value as we may massage the layout for constants whose bit width
// Big endian:
// * Record the extra bits to emit.
// * Realign the raw data to emit the chunks of 64-bits.
- if (DL->isBigEndian()) {
+ if (DL.isBigEndian()) {
// Basically the structure of the raw data is a chunk of 64-bits cells:
// 0 1 BitWidth / 64
// [chunk1][chunk2] ... [chunkN].
// quantities at a time.
const uint64_t *RawData = Realigned.getRawData();
for (unsigned i = 0, e = BitWidth / 64; i != e; ++i) {
- uint64_t Val = DL->isBigEndian() ? RawData[e - i - 1] : RawData[i];
+ uint64_t Val = DL.isBigEndian() ? RawData[e - i - 1] : RawData[i];
AP.OutStreamer->EmitIntValue(Val, 8);
}
// Emit the extra bits after the 64-bits chunks.
// Emit a directive that fills the expected size.
- uint64_t Size = AP.TM.getDataLayout()->getTypeAllocSize(
- CI->getType());
+ uint64_t Size = AP.getDataLayout().getTypeAllocSize(CI->getType());
Size -= (BitWidth / 64) * 8;
assert(Size && Size * 8 >= ExtraBitsSize &&
(ExtraBits & (((uint64_t)-1) >> (64 - ExtraBitsSize)))
MCValue MV;
if (!(*ME)->evaluateAsRelocatable(MV, nullptr, nullptr) || MV.isAbsolute())
return;
+ const MCSymbolRefExpr *SymA = MV.getSymA();
+ if (!SymA)
+ return;
- const MCSymbol *GOTEquivSym = &MV.getSymA()->getSymbol();
+ // Check that GOT equivalent symbol is cached.
+ const MCSymbol *GOTEquivSym = &SymA->getSymbol();
if (!AP.GlobalGOTEquivs.count(GOTEquivSym))
return;
- const GlobalValue *BaseGV = dyn_cast<GlobalValue>(BaseCst);
+ const GlobalValue *BaseGV = dyn_cast_or_null<GlobalValue>(BaseCst);
if (!BaseGV)
return;
+ // Check for a valid base symbol
const MCSymbol *BaseSym = AP.getSymbol(BaseGV);
- if (BaseSym != &MV.getSymB()->getSymbol())
+ const MCSymbolRefExpr *SymB = MV.getSymB();
+
+ if (!SymB || BaseSym != &SymB->getSymbol())
return;
// Make sure to match:
AP.GlobalGOTEquivs[GOTEquivSym] = std::make_pair(GV, NumUses);
}
-static void emitGlobalConstantImpl(const Constant *CV, AsmPrinter &AP,
- const Constant *BaseCV, uint64_t Offset) {
- const DataLayout *DL = AP.TM.getDataLayout();
- uint64_t Size = DL->getTypeAllocSize(CV->getType());
+static void emitGlobalConstantImpl(const DataLayout &DL, const Constant *CV,
+ AsmPrinter &AP, const Constant *BaseCV,
+ uint64_t Offset) {
+ uint64_t Size = DL.getTypeAllocSize(CV->getType());
// Globals with sub-elements such as combinations of arrays and structs
// are handled recursively by emitGlobalConstantImpl. Keep track of the
}
if (const ConstantDataSequential *CDS = dyn_cast<ConstantDataSequential>(CV))
- return emitGlobalConstantDataSequential(CDS, AP);
+ return emitGlobalConstantDataSequential(DL, CDS, AP);
if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV))
- return emitGlobalConstantArray(CVA, AP, BaseCV, Offset);
+ return emitGlobalConstantArray(DL, CVA, AP, BaseCV, Offset);
if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV))
- return emitGlobalConstantStruct(CVS, AP, BaseCV, Offset);
+ return emitGlobalConstantStruct(DL, CVS, AP, BaseCV, Offset);
if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
// Look through bitcasts, which might not be able to be MCExpr'ized (e.g. of
// vectors).
if (CE->getOpcode() == Instruction::BitCast)
- return emitGlobalConstantImpl(CE->getOperand(0), AP);
+ return emitGlobalConstantImpl(DL, CE->getOperand(0), AP);
if (Size > 8) {
// If the constant expression's size is greater than 64-bits, then we have
// to emit the value in chunks. Try to constant fold the value and emit it
// that way.
- Constant *New = ConstantFoldConstantExpression(CE, *DL);
+ Constant *New = ConstantFoldConstantExpression(CE, DL);
if (New && New != CE)
- return emitGlobalConstantImpl(New, AP);
+ return emitGlobalConstantImpl(DL, New, AP);
}
}
if (const ConstantVector *V = dyn_cast<ConstantVector>(CV))
- return emitGlobalConstantVector(V, AP);
+ return emitGlobalConstantVector(DL, V, AP);
// Otherwise, it must be a ConstantExpr. Lower it to an MCExpr, then emit it
// thread the streamer with EmitValue.
}
/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
-void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
- uint64_t Size =
- TM.getDataLayout()->getTypeAllocSize(CV->getType());
+void AsmPrinter::EmitGlobalConstant(const DataLayout &DL, const Constant *CV) {
+ uint64_t Size = DL.getTypeAllocSize(CV->getType());
if (Size)
- emitGlobalConstantImpl(CV, *this);
+ emitGlobalConstantImpl(DL, CV, *this);
else if (MAI->hasSubsectionsViaSymbols()) {
// If the global has zero size, emit a single byte so that two labels don't
// look like they are at the same location.
/// GetCPISymbol - Return the symbol for the specified constant pool entry.
MCSymbol *AsmPrinter::GetCPISymbol(unsigned CPID) const {
- const DataLayout *DL = TM.getDataLayout();
- return OutContext.getOrCreateSymbol
- (Twine(DL->getPrivateGlobalPrefix()) + "CPI" + Twine(getFunctionNumber())
- + "_" + Twine(CPID));
+ const DataLayout &DL = getDataLayout();
+ return OutContext.getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
+ "CPI" + Twine(getFunctionNumber()) + "_" +
+ Twine(CPID));
}
/// GetJTISymbol - Return the symbol for the specified jump table entry.
/// GetJTSetSymbol - Return the symbol for the specified jump table .set
/// FIXME: privatize to AsmPrinter.
MCSymbol *AsmPrinter::GetJTSetSymbol(unsigned UID, unsigned MBBID) const {
- const DataLayout *DL = TM.getDataLayout();
- return OutContext.getOrCreateSymbol
- (Twine(DL->getPrivateGlobalPrefix()) + Twine(getFunctionNumber()) + "_" +
- Twine(UID) + "_set_" + Twine(MBBID));
+ const DataLayout &DL = getDataLayout();
+ return OutContext.getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
+ Twine(getFunctionNumber()) + "_" +
+ Twine(UID) + "_set_" + Twine(MBBID));
}
MCSymbol *AsmPrinter::getSymbolWithGlobalValueBase(const GlobalValue *GV,
TM);
}
-/// GetExternalSymbolSymbol - Return the MCSymbol for the specified
-/// ExternalSymbol.
+/// Return the MCSymbol for the specified ExternalSymbol.
MCSymbol *AsmPrinter::GetExternalSymbolSymbol(StringRef Sym) const {
SmallString<60> NameStr;
- Mang->getNameWithPrefix(NameStr, Sym);
+ Mangler::getNameWithPrefix(NameStr, Sym, getDataLayout());
return OutContext.getOrCreateSymbol(NameStr);
}
if (isVerbose())
OutStreamer->AddComment("Block address taken");
- std::vector<MCSymbol*> Symbols = MMI->getAddrLabelSymbolToEmit(BB);
- for (auto *Sym : Symbols)
+ for (MCSymbol *Sym : MMI->getAddrLabelSymbolToEmit(BB))
OutStreamer->EmitLabel(Sym);
}
projects / oota-llvm.git / blobdiff