#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/DwarfWriter.h"
+#include "llvm/Analysis/DebugInfo.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/ADT/SmallPtrSet.h"
#include <cerrno>
using namespace llvm;
+static cl::opt<cl::boolOrDefault>
+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)
+ const TargetAsmInfo *T, bool VDef)
: MachineFunctionPass(&ID), FunctionNumber(0), O(o),
TM(tm), TAI(T), TRI(tm.getRegisterInfo()),
- IsInTextSection(false)
-{}
+ IsInTextSection(false), LastMI(0), LastFn(0), Counter(~0U),
+ PrevDLT(0, ~0U, ~0U) {
+ 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;
+ }
+}
AsmPrinter::~AsmPrinter() {
for (gcp_iterator I = GCMetadataPrinters.begin(),
}
bool AsmPrinter::doInitialization(Module &M) {
- Mang = new Mangler(M, TAI->getGlobalPrefix());
+ Mang = new Mangler(M, TAI->getGlobalPrefix(), TAI->getPrivateGlobalPrefix());
- GCModuleInfo *MI = getAnalysisToUpdate<GCModuleInfo>();
+ if (TAI->doesAllowQuotesInName())
+ Mang->setUseQuotes(true);
+
+ GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>();
assert(MI && "AsmPrinter didn't require GCModuleInfo?");
if (TAI->hasSingleParameterDotFile()) {
SwitchToDataSection(""); // Reset back to no section.
- MMI = getAnalysisToUpdate<MachineModuleInfo>();
- if (MMI) MMI->AnalyzeModule(M);
-
+ if (TAI->doesSupportDebugInformation() ||
+ TAI->doesSupportExceptionHandling()) {
+ MMI = getAnalysisIfAvailable<MachineModuleInfo>();
+ if (MMI)
+ MMI->AnalyzeModule(M);
+ DW = getAnalysisIfAvailable<DwarfWriter>();
+ if (DW)
+ DW->BeginModule(&M, MMI, O, this, TAI);
+ }
+
return false;
}
bool AsmPrinter::doFinalization(Module &M) {
+ // Emit final debug information.
+ if (TAI->doesSupportDebugInformation() || TAI->doesSupportExceptionHandling())
+ DW->EndModule();
+
+ // If the target wants to know about weak references, print them all.
if (TAI->getWeakRefDirective()) {
- if (!ExtWeakSymbols.empty())
- SwitchToDataSection("");
-
- for (std::set<const GlobalValue*>::iterator i = ExtWeakSymbols.begin(),
- e = ExtWeakSymbols.end(); i != e; ++i) {
- const GlobalValue *GV = *i;
- std::string Name = Mang->getValueName(GV);
- O << TAI->getWeakRefDirective() << Name << '\n';
+ // FIXME: This is not lazy, it would be nice to only print weak references
+ // to stuff that is actually used. Note that doing so would require targets
+ // to notice uses in operands (due to constant exprs etc). This should
+ // happen with the MC stuff eventually.
+ 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';
+ }
+
+ for (Module::const_iterator I = M.begin(), E = M.end();
+ I != E; ++I) {
+ if (I->hasExternalWeakLinkage())
+ O << TAI->getWeakRefDirective() << Mang->getValueName(I) << '\n';
}
}
O << '\n';
for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
- I!=E; ++I) {
+ I != E; ++I) {
std::string Name = Mang->getValueName(I);
std::string Target;
O << "\t.globl\t" << Name << '\n';
else if (I->hasWeakLinkage())
O << TAI->getWeakRefDirective() << Name << '\n';
- else if (!I->hasInternalLinkage())
- assert(0 && "Invalid alias linkage");
+ else if (!I->hasLocalLinkage())
+ LLVM_UNREACHABLE("Invalid alias linkage");
printVisibility(Name, I->getVisibility());
O << TAI->getSetDirective() << ' ' << Name << ", " << Target << '\n';
-
- // If the aliasee has external weak linkage it can be referenced only by
- // alias itself. In this case it can be not in ExtWeakSymbols list. Emit
- // weak reference in such case.
- if (GV->hasExternalWeakLinkage()) {
- if (TAI->getWeakRefDirective())
- O << TAI->getWeakRefDirective() << Target << '\n';
- else
- O << "\t.globl\t" << Target << '\n';
- }
}
}
- GCModuleInfo *MI = getAnalysisToUpdate<GCModuleInfo>();
+ GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>();
assert(MI && "AsmPrinter didn't require GCModuleInfo?");
for (GCModuleInfo::iterator I = MI->end(), E = MI->begin(); I != E; )
if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*--I))
// If we don't have any trampolines, then we don't require stack memory
// to be executable. Some targets have a directive to declare this.
- Function* InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline");
+ Function *InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline");
if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty())
if (TAI->getNonexecutableStackDirective())
O << TAI->getNonexecutableStackDirective() << '\n';
delete Mang; Mang = 0;
+ DW = 0; MMI = 0;
return false;
}
-std::string AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF) {
+const std::string &
+AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF,
+ std::string &Name) const {
assert(MF && "No machine function?");
- std::string Name = MF->getFunction()->getName();
+ Name = MF->getFunction()->getName();
if (Name.empty())
Name = Mang->getValueName(MF->getFunction());
- return Mang->makeNameProper(TAI->getEHGlobalPrefix() +
+ Name = Mang->makeNameProper(TAI->getEHGlobalPrefix() +
Name + ".eh", TAI->getGlobalPrefix());
+ return Name;
}
void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
IncrementFunctionNumber();
}
+namespace {
+ // SectionCPs - Keep track the alignment, constpool entries per Section.
+ struct SectionCPs {
+ const Section *S;
+ unsigned Alignment;
+ SmallVector<unsigned, 4> CPEs;
+ SectionCPs(const Section *s, unsigned a) : S(s), Alignment(a) {};
+ };
+}
+
/// EmitConstantPool - Print to the current output stream assembly
/// representations of the constants in the constant pool MCP. This is
/// used to print out constants which have been "spilled to memory" by
// Calculate sections for constant pool entries. We collect entries to go into
// the same section together to reduce amount of section switch statements.
- typedef
- std::multimap<const Section*,
- std::pair<MachineConstantPoolEntry, unsigned> > CPMap;
- CPMap CPs;
- SmallPtrSet<const Section*, 5> Sections;
-
+ SmallVector<SectionCPs, 4> CPSections;
for (unsigned i = 0, e = CP.size(); i != e; ++i) {
MachineConstantPoolEntry CPE = CP[i];
+ unsigned Align = CPE.getAlignment();
const Section* S = TAI->SelectSectionForMachineConst(CPE.getType());
- CPs.insert(std::make_pair(S, std::make_pair(CPE, i)));
- Sections.insert(S);
+ // The number of sections are small, just do a linear search from the
+ // last section to the first.
+ bool Found = false;
+ unsigned SecIdx = CPSections.size();
+ while (SecIdx != 0) {
+ if (CPSections[--SecIdx].S == S) {
+ Found = true;
+ break;
+ }
+ }
+ if (!Found) {
+ SecIdx = CPSections.size();
+ CPSections.push_back(SectionCPs(S, Align));
+ }
+
+ if (Align > CPSections[SecIdx].Alignment)
+ CPSections[SecIdx].Alignment = Align;
+ CPSections[SecIdx].CPEs.push_back(i);
}
// Now print stuff into the calculated sections.
- for (SmallPtrSet<const Section*, 5>::iterator IS = Sections.begin(),
- ES = Sections.end(); IS != ES; ++IS) {
- SwitchToSection(*IS);
- EmitAlignment(MCP->getConstantPoolAlignment());
+ for (unsigned i = 0, e = CPSections.size(); i != e; ++i) {
+ SwitchToSection(CPSections[i].S);
+ EmitAlignment(Log2_32(CPSections[i].Alignment));
- std::pair<CPMap::iterator, CPMap::iterator> II = CPs.equal_range(*IS);
- for (CPMap::iterator I = II.first, E = II.second; I != E; ++I) {
- CPMap::iterator J = next(I);
- MachineConstantPoolEntry Entry = I->second.first;
- unsigned index = I->second.second;
+ unsigned Offset = 0;
+ for (unsigned j = 0, ee = CPSections[i].CPEs.size(); j != ee; ++j) {
+ unsigned CPI = CPSections[i].CPEs[j];
+ MachineConstantPoolEntry CPE = CP[CPI];
+
+ // Emit inter-object padding for alignment.
+ unsigned AlignMask = CPE.getAlignment() - 1;
+ unsigned NewOffset = (Offset + AlignMask) & ~AlignMask;
+ EmitZeros(NewOffset - Offset);
+
+ const Type *Ty = CPE.getType();
+ Offset = NewOffset + TM.getTargetData()->getTypeAllocSize(Ty);
O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
- << index << ":\t\t\t\t\t";
- // O << TAI->getCommentString() << ' ' <<
- // WriteTypeSymbolic(O, CP[i].first.getType(), 0);
+ << CPI << ":\t\t\t\t\t";
+ if (VerboseAsm) {
+ O << TAI->getCommentString() << ' ';
+ WriteTypeSymbolic(O, CPE.getType(), 0);
+ }
O << '\n';
- if (Entry.isMachineConstantPoolEntry())
- EmitMachineConstantPoolValue(Entry.Val.MachineCPVal);
+ if (CPE.isMachineConstantPoolEntry())
+ EmitMachineConstantPoolValue(CPE.Val.MachineCPVal);
else
- EmitGlobalConstant(Entry.Val.ConstVal);
-
- // Emit inter-object padding for alignment.
- if (J != E) {
- const Type *Ty = Entry.getType();
- unsigned EntSize = TM.getTargetData()->getABITypeSize(Ty);
- unsigned ValEnd = Entry.getOffset() + EntSize;
- EmitZeros(J->second.first.getOffset()-ValEnd);
- }
+ EmitGlobalConstant(CPE.Val.ConstVal);
}
}
}
const char* JumpTableDataSection = TAI->getJumpTableDataSection();
const Function *F = MF.getFunction();
unsigned SectionFlags = TAI->SectionFlagsForGlobal(F);
+ bool JTInDiffSection = false;
if ((IsPic && !(LoweringInfo && LoweringInfo->usesGlobalOffsetTable())) ||
- !JumpTableDataSection ||
+ !JumpTableDataSection ||
SectionFlags & SectionFlags::Linkonce) {
// 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.
SwitchToSection(TAI->SectionForGlobal(F));
} else {
SwitchToDataSection(JumpTableDataSection);
+ JTInDiffSection = true;
}
EmitAlignment(Log2_32(MJTI->getAlignment()));
// before each jump table. The first label is never referenced, but tells
// the assembler and linker the extents of the jump table object. The
// second label is actually referenced by the code.
- if (const char *JTLabelPrefix = TAI->getJumpTableSpecialLabelPrefix())
- O << JTLabelPrefix << "JTI" << getFunctionNumber() << '_' << i << ":\n";
+ if (JTInDiffSection) {
+ if (const char *JTLabelPrefix = TAI->getJumpTableSpecialLabelPrefix())
+ O << JTLabelPrefix << "JTI" << getFunctionNumber() << '_' << i << ":\n";
+ }
O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << i << ":\n";
}
// Ignore debug and non-emitted data.
- if (GV->getSection() == "llvm.metadata") return true;
+ if (GV->getSection() == "llvm.metadata" ||
+ GV->hasAvailableExternallyLinkage())
+ return true;
if (!GV->hasAppendingLinkage()) return false;
const TargetData *TD = TM.getTargetData();
unsigned Align = Log2_32(TD->getPointerPrefAlignment());
- if (GV->getName() == "llvm.global_ctors" && GV->use_empty()) {
+ if (GV->getName() == "llvm.global_ctors") {
SwitchToDataSection(TAI->getStaticCtorsSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
return true;
}
- if (GV->getName() == "llvm.global_dtors" && GV->use_empty()) {
+ if (GV->getName() == "llvm.global_dtors") {
SwitchToDataSection(TAI->getStaticDtorsSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
void AsmPrinter::EmitLLVMUsedList(Constant *List) {
const char *Directive = TAI->getUsedDirective();
- // Should be an array of 'sbyte*'.
+ // Should be an array of 'i8*'.
ConstantArray *InitList = dyn_cast<ConstantArray>(List);
if (InitList == 0) return;
/// 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) const{
- std::string LinkName;
-
+const std::string &AsmPrinter::getGlobalLinkName(const GlobalVariable *GV,
+ std::string &LinkName) const {
if (isa<Function>(GV)) {
LinkName += TAI->getFunctionAddrPrefix();
LinkName += Mang->getValueName(GV);
/// 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) {
- O << getGlobalLinkName(GV);
+ std::string GLN;
+ O << getGlobalLinkName(GV, GLN);
}
/// printStringChar - Print a char, escaped if necessary.
///
-static void printStringChar(raw_ostream &O, char C) {
+static void printStringChar(raw_ostream &O, unsigned char C) {
if (C == '"') {
O << "\\\"";
} else if (C == '\\') {
O << "\\\\";
- } else if (isprint(C)) {
+ } else if (isprint((unsigned char)C)) {
O << C;
} else {
switch(C) {
/// Special characters are emitted properly.
/// \literal (Eg. '\t') \endliteral
void AsmPrinter::EmitString(const std::string &String) const {
+ EmitString(String.c_str(), String.size());
+}
+
+void AsmPrinter::EmitString(const char *String, unsigned Size) const {
const char* AscizDirective = TAI->getAscizDirective();
if (AscizDirective)
O << AscizDirective;
else
O << TAI->getAsciiDirective();
O << '\"';
- for (unsigned i = 0, N = String.size(); i < N; ++i) {
- unsigned char C = String[i];
- printStringChar(O, C);
- }
+ for (unsigned i = 0; i < Size; ++i)
+ printStringChar(O, String[i]);
if (AscizDirective)
O << '\"';
else
/// EmitFile - Emit a .file directive.
void AsmPrinter::EmitFile(unsigned Number, const std::string &Name) const {
O << "\t.file\t" << Number << " \"";
- for (unsigned i = 0, N = Name.size(); i < N; ++i) {
- unsigned char C = Name[i];
- printStringChar(O, C);
- }
+ for (unsigned i = 0, N = Name.size(); i < N; ++i)
+ printStringChar(O, Name[i]);
O << '\"';
}
/// EmitZeros - Emit a block of zeros.
///
-void AsmPrinter::EmitZeros(uint64_t NumZeros) const {
+void AsmPrinter::EmitZeros(uint64_t NumZeros, unsigned AddrSpace) const {
if (NumZeros) {
if (TAI->getZeroDirective()) {
O << TAI->getZeroDirective() << NumZeros;
O << '\n';
} else {
for (; NumZeros; --NumZeros)
- O << TAI->getData8bitsDirective() << "0\n";
+ O << TAI->getData8bitsDirective(AddrSpace) << "0\n";
}
}
}
SmallVector<Value*, 8> idxVec(CE->op_begin()+1, CE->op_end());
if (int64_t Offset = TD->getIndexedOffset(ptrVal->getType(), &idxVec[0],
idxVec.size())) {
+ // Truncate/sext the offset to the pointer size.
+ if (TD->getPointerSizeInBits() != 64) {
+ int SExtAmount = 64-TD->getPointerSizeInBits();
+ Offset = (Offset << SExtAmount) >> SExtAmount;
+ }
+
if (Offset)
O << '(';
EmitConstantValueOnly(ptrVal);
case Instruction::SIToFP:
case Instruction::FPToUI:
case Instruction::FPToSI:
- assert(0 && "FIXME: Don't yet support this kind of constant cast expr");
+ LLVM_UNREACHABLE("FIXME: Don't yet support this kind of constant cast expr");
break;
case Instruction::BitCast:
return EmitConstantValueOnly(CE->getOperand(0));
// We can emit the pointer value into this slot if the slot is an
// integer slot greater or equal to the size of the pointer.
- if (TD->getABITypeSize(Ty) >= TD->getABITypeSize(Op->getType()))
+ if (TD->getTypeAllocSize(Ty) >= TD->getTypeAllocSize(Op->getType()))
return EmitConstantValueOnly(Op);
O << "((";
EmitConstantValueOnly(Op);
- APInt ptrMask = APInt::getAllOnesValue(TD->getABITypeSizeInBits(Ty));
+ APInt ptrMask = APInt::getAllOnesValue(TD->getTypeAllocSizeInBits(Ty));
SmallString<40> S;
ptrMask.toStringUnsigned(S);
O << ')';
break;
default:
- assert(0 && "Unsupported operator!");
+ LLVM_UNREACHABLE("Unsupported operator!");
}
} else {
- assert(0 && "Unknown constant value!");
+ LLVM_UNREACHABLE("Unknown constant value!");
}
}
O << '\n';
}
-void AsmPrinter::EmitGlobalConstantArray(const ConstantArray *CVA) {
+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));
+ EmitGlobalConstant(CVA->getOperand(i), AddrSpace);
}
}
EmitGlobalConstant(CP->getOperand(I));
}
-void AsmPrinter::EmitGlobalConstantStruct(const ConstantStruct *CVS) {
+void AsmPrinter::EmitGlobalConstantStruct(const ConstantStruct *CVS,
+ unsigned AddrSpace) {
// Print the fields in successive locations. Pad to align if needed!
const TargetData *TD = TM.getTargetData();
- unsigned Size = TD->getABITypeSize(CVS->getType());
+ 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);
// Check if padding is needed and insert one or more 0s.
- uint64_t fieldSize = TD->getABITypeSize(field->getType());
+ 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;
// Now print the actual field value.
- EmitGlobalConstant(field);
+ 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);
+ EmitZeros(padSize, AddrSpace);
}
assert(sizeSoFar == cvsLayout->getSizeInBytes() &&
"Layout of constant struct may be incorrect!");
}
-void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP) {
+void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP,
+ unsigned AddrSpace) {
// FP Constants are printed as integer constants to avoid losing
// precision...
const TargetData *TD = TM.getTargetData();
if (CFP->getType() == Type::DoubleTy) {
double Val = CFP->getValueAPF().convertToDouble(); // for comment only
uint64_t i = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- if (TAI->getData64bitsDirective())
- O << TAI->getData64bitsDirective() << i << '\t'
- << TAI->getCommentString() << " double value: " << Val << '\n';
- else if (TD->isBigEndian()) {
- O << TAI->getData32bitsDirective() << unsigned(i >> 32)
- << '\t' << TAI->getCommentString()
- << " double most significant word " << Val << '\n';
- O << TAI->getData32bitsDirective() << unsigned(i)
- << '\t' << TAI->getCommentString()
- << " double least significant word " << Val << '\n';
+ if (TAI->getData64bitsDirective(AddrSpace)) {
+ O << TAI->getData64bitsDirective(AddrSpace) << i;
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString() << " double value: " << 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 << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " double least significant word " << Val;
+ O << '\n';
} else {
- O << TAI->getData32bitsDirective() << unsigned(i)
- << '\t' << TAI->getCommentString()
- << " double least significant word " << Val << '\n';
- O << TAI->getData32bitsDirective() << unsigned(i >> 32)
- << '\t' << TAI->getCommentString()
- << " double most significant word " << Val << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " double least significant word " << Val;
+ O << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " double most significant word " << Val;
+ O << '\n';
}
return;
} else if (CFP->getType() == Type::FloatTy) {
float Val = CFP->getValueAPF().convertToFloat(); // for comment only
- O << TAI->getData32bitsDirective()
- << CFP->getValueAPF().bitcastToAPInt().getZExtValue()
- << '\t' << TAI->getCommentString() << " float " << Val << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace)
+ << CFP->getValueAPF().bitcastToAPInt().getZExtValue();
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString() << " float " << Val;
+ O << '\n';
return;
} else if (CFP->getType() == Type::X86_FP80Ty) {
// all long double variants are printed as hex
DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
&ignored);
if (TD->isBigEndian()) {
- O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 48)
- << '\t' << TAI->getCommentString()
- << " long double most significant halfword of ~"
- << DoubleVal.convertToDouble() << '\n';
- O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 32)
- << '\t' << TAI->getCommentString()
- << " long double next halfword\n";
- O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 16)
- << '\t' << TAI->getCommentString()
- << " long double next halfword\n";
- O << TAI->getData16bitsDirective() << uint16_t(p[0])
- << '\t' << TAI->getCommentString()
- << " long double next halfword\n";
- O << TAI->getData16bitsDirective() << uint16_t(p[1])
- << '\t' << TAI->getCommentString()
- << " long double least significant halfword\n";
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double most significant halfword of ~"
+ << DoubleVal.convertToDouble();
+ O << '\n';
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString() << " long double next halfword";
+ O << '\n';
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString() << " long double next halfword";
+ O << '\n';
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString() << " long double next halfword";
+ O << '\n';
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double least significant halfword";
+ O << '\n';
} else {
- O << TAI->getData16bitsDirective() << uint16_t(p[1])
- << '\t' << TAI->getCommentString()
- << " long double least significant halfword of ~"
- << DoubleVal.convertToDouble() << '\n';
- O << TAI->getData16bitsDirective() << uint16_t(p[0])
- << '\t' << TAI->getCommentString()
- << " long double next halfword\n";
- O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 16)
- << '\t' << TAI->getCommentString()
- << " long double next halfword\n";
- O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 32)
- << '\t' << TAI->getCommentString()
- << " long double next halfword\n";
- O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 48)
- << '\t' << TAI->getCommentString()
- << " long double most significant halfword\n";
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double least significant halfword of ~"
+ << DoubleVal.convertToDouble();
+ O << '\n';
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double next halfword";
+ O << '\n';
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double next halfword";
+ O << '\n';
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double next halfword";
+ O << '\n';
+ O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double most significant halfword";
+ O << '\n';
}
- EmitZeros(TD->getABITypeSize(Type::X86_FP80Ty) -
- TD->getTypeStoreSize(Type::X86_FP80Ty));
+ EmitZeros(TD->getTypeAllocSize(Type::X86_FP80Ty) -
+ TD->getTypeStoreSize(Type::X86_FP80Ty), AddrSpace);
return;
} else if (CFP->getType() == Type::PPC_FP128Ty) {
// all long double variants are printed as hex
APInt api = CFP->getValueAPF().bitcastToAPInt();
const uint64_t *p = api.getRawData();
if (TD->isBigEndian()) {
- O << TAI->getData32bitsDirective() << uint32_t(p[0] >> 32)
- << '\t' << TAI->getCommentString()
- << " long double most significant word\n";
- O << TAI->getData32bitsDirective() << uint32_t(p[0])
- << '\t' << TAI->getCommentString()
- << " long double next word\n";
- O << TAI->getData32bitsDirective() << uint32_t(p[1] >> 32)
- << '\t' << TAI->getCommentString()
- << " long double next word\n";
- O << TAI->getData32bitsDirective() << uint32_t(p[1])
- << '\t' << TAI->getCommentString()
- << " long double least significant word\n";
+ O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double most significant word";
+ O << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double next word";
+ O << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double next word";
+ O << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double least significant word";
+ O << '\n';
} else {
- O << TAI->getData32bitsDirective() << uint32_t(p[1])
- << '\t' << TAI->getCommentString()
- << " long double least significant word\n";
- O << TAI->getData32bitsDirective() << uint32_t(p[1] >> 32)
- << '\t' << TAI->getCommentString()
- << " long double next word\n";
- O << TAI->getData32bitsDirective() << uint32_t(p[0])
- << '\t' << TAI->getCommentString()
- << " long double next word\n";
- O << TAI->getData32bitsDirective() << uint32_t(p[0] >> 32)
- << '\t' << TAI->getCommentString()
- << " long double most significant word\n";
+ O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double least significant word";
+ O << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double next word";
+ O << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " long double 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 << '\n';
}
return;
- } else assert(0 && "Floating point constant type not handled");
+ } else LLVM_UNREACHABLE("Floating point constant type not handled");
}
-void AsmPrinter::EmitGlobalConstantLargeInt(const ConstantInt *CI) {
+void AsmPrinter::EmitGlobalConstantLargeInt(const ConstantInt *CI,
+ unsigned AddrSpace) {
const TargetData *TD = TM.getTargetData();
unsigned BitWidth = CI->getBitWidth();
assert(isPowerOf2_32(BitWidth) &&
else
Val = RawData[i];
- if (TAI->getData64bitsDirective())
- O << TAI->getData64bitsDirective() << Val << '\n';
+ if (TAI->getData64bitsDirective(AddrSpace))
+ O << TAI->getData64bitsDirective(AddrSpace) << Val << '\n';
else if (TD->isBigEndian()) {
- O << TAI->getData32bitsDirective() << unsigned(Val >> 32)
- << '\t' << TAI->getCommentString()
- << " Double-word most significant word " << Val << '\n';
- O << TAI->getData32bitsDirective() << unsigned(Val)
- << '\t' << TAI->getCommentString()
- << " Double-word least significant word " << Val << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " Double-word most significant word " << Val;
+ O << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " Double-word least significant word " << Val;
+ O << '\n';
} else {
- O << TAI->getData32bitsDirective() << unsigned(Val)
- << '\t' << TAI->getCommentString()
- << " Double-word least significant word " << Val << '\n';
- O << TAI->getData32bitsDirective() << unsigned(Val >> 32)
- << '\t' << TAI->getCommentString()
- << " Double-word most significant word " << Val << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " Double-word least significant word " << Val;
+ O << '\n';
+ O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32);
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString()
+ << " Double-word most significant word " << Val;
+ O << '\n';
}
}
}
/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
-void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
+void AsmPrinter::EmitGlobalConstant(const Constant *CV, unsigned AddrSpace) {
const TargetData *TD = TM.getTargetData();
const Type *type = CV->getType();
- unsigned Size = TD->getABITypeSize(type);
+ unsigned Size = TD->getTypeAllocSize(type);
if (CV->isNullValue() || isa<UndefValue>(CV)) {
- EmitZeros(Size);
+ EmitZeros(Size, AddrSpace);
return;
} else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
- EmitGlobalConstantArray(CVA);
+ EmitGlobalConstantArray(CVA , AddrSpace);
return;
} else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
- EmitGlobalConstantStruct(CVS);
+ EmitGlobalConstantStruct(CVS, AddrSpace);
return;
} else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
- EmitGlobalConstantFP(CFP);
+ EmitGlobalConstantFP(CFP, AddrSpace);
return;
} else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
// Small integers are handled below; large integers are handled here.
if (Size > 4) {
- EmitGlobalConstantLargeInt(CI);
+ EmitGlobalConstantLargeInt(CI, AddrSpace);
return;
}
} else if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) {
return;
}
- printDataDirective(type);
+ printDataDirective(type, AddrSpace);
EmitConstantValueOnly(CV);
- 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();
+ if (VerboseAsm) {
+ 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 << '\n';
}
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
/// or other bits of target-specific knowledge into the asmstrings. The
/// syntax used is ${:comment}. Targets can override this to add support
/// for their own strange codes.
-void AsmPrinter::PrintSpecial(const MachineInstr *MI, const char *Code) {
+void AsmPrinter::PrintSpecial(const MachineInstr *MI, const char *Code) const {
if (!strcmp(Code, "private")) {
O << TAI->getPrivateGlobalPrefix();
} else if (!strcmp(Code, "comment")) {
- O << TAI->getCommentString();
+ if (VerboseAsm)
+ O << TAI->getCommentString();
} else if (!strcmp(Code, "uid")) {
- // Assign a unique ID to this machine instruction.
- static const MachineInstr *LastMI = 0;
- static const Function *F = 0;
- static unsigned Counter = 0U-1;
-
// Comparing the address of MI isn't sufficient, because machineinstrs may
// be allocated to the same address across functions.
const Function *ThisF = MI->getParent()->getParent()->getFunction();
- // If this is a new machine instruction, bump the counter.
- if (LastMI != MI || F != ThisF) {
+ // If this is a new LastFn instruction, bump the counter.
+ if (LastMI != MI || LastFn != ThisF) {
++Counter;
LastMI = MI;
- F = ThisF;
+ LastFn = ThisF;
}
O << Counter;
} else {
- cerr << "Unknown special formatter '" << Code
+ std::string msg;
+ raw_string_ostream Msg(msg);
+ Msg << "Unknown special formatter '" << Code
<< "' for machine instr: " << *MI;
- exit(1);
+ llvm_report_error(Msg.str());
}
}
+/// processDebugLoc - Processes the debug information of each machine
+/// instruction's DebugLoc.
+void AsmPrinter::processDebugLoc(DebugLoc DL) {
+ if (TAI->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)));
+
+ PrevDLT = CurDLT;
+ }
+ }
+}
/// printInlineAsm - This method formats and prints the specified machine
/// instruction that is an inline asm.
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;
HasCurlyBraces = true;
}
+ // If we have ${:foo}, then this is not a real operand reference, it is a
+ // "magic" string reference, just like in .td files. Arrange to call
+ // PrintSpecial.
+ if (HasCurlyBraces && *LastEmitted == ':') {
+ ++LastEmitted;
+ const char *StrStart = LastEmitted;
+ const char *StrEnd = strchr(StrStart, '}');
+ if (StrEnd == 0) {
+ llvm_report_error("Unterminated ${:foo} operand in inline asm string: '"
+ + std::string(AsmStr) + "'");
+ }
+
+ std::string Val(StrStart, StrEnd);
+ PrintSpecial(MI, Val.c_str());
+ LastEmitted = StrEnd+1;
+ break;
+ }
+
const char *IDStart = LastEmitted;
char *IDEnd;
errno = 0;
long Val = strtol(IDStart, &IDEnd, 10); // We only accept numbers for IDs.
if (!isdigit(*IDStart) || (Val == 0 && errno == EINVAL)) {
- cerr << "Bad $ operand number in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Bad $ operand number in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
LastEmitted = IDEnd;
if (*LastEmitted == ':') {
++LastEmitted; // Consume ':' character.
if (*LastEmitted == 0) {
- cerr << "Bad ${:} expression in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Bad ${:} expression in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
Modifier[0] = *LastEmitted;
}
if (*LastEmitted != '}') {
- cerr << "Bad ${} expression in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Bad ${} expression in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
++LastEmitted; // Consume '}' character.
}
if ((unsigned)Val >= NumOperands-1) {
- cerr << "Invalid $ operand number in inline asm string: '"
- << AsmStr << "'\n";
- exit(1);
+ llvm_report_error("Invalid $ operand number in inline asm string: '"
+ + std::string(AsmStr) + "'");
}
// Okay, we finally have a value number. Ask the target to print this
for (; Val; --Val) {
if (OpNo >= MI->getNumOperands()) break;
unsigned OpFlags = MI->getOperand(OpNo).getImm();
- OpNo += (OpFlags >> 3) + 1;
+ OpNo += InlineAsm::getNumOperandRegisters(OpFlags) + 1;
}
if (OpNo >= MI->getNumOperands()) {
}
}
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;
/// printImplicitDef - This method prints the specified machine instruction
/// that is an implicit def.
void AsmPrinter::printImplicitDef(const MachineInstr *MI) const {
- O << '\t' << TAI->getCommentString() << " implicit-def: "
- << TRI->getAsmName(MI->getOperand(0).getReg()) << '\n';
+ if (VerboseAsm)
+ O << '\t' << TAI->getCommentString() << " implicit-def: "
+ << TRI->getAsmName(MI->getOperand(0).getReg()) << '\n';
}
/// printLabel - This method prints a local label used by debug and
/// FIXME: It doesn't really print anything rather it inserts a DebugVariable
/// entry into dwarf table.
void AsmPrinter::printDeclare(const MachineInstr *MI) const {
- int FI = MI->getOperand(0).getIndex();
+ unsigned FI = MI->getOperand(0).getIndex();
GlobalValue *GV = MI->getOperand(1).getGlobal();
- MMI->RecordVariable(GV, FI);
+ DW->RecordVariable(cast<GlobalVariable>(GV), FI, MI);
}
/// PrintAsmOperand - Print the specified operand of MI, an INLINEASM
/// printDataDirective - This method prints the asm directive for the
/// specified type.
-void AsmPrinter::printDataDirective(const Type *type) {
+void AsmPrinter::printDataDirective(const Type *type, unsigned AddrSpace) {
const TargetData *TD = TM.getTargetData();
switch (type->getTypeID()) {
case Type::IntegerTyID: {
unsigned BitWidth = cast<IntegerType>(type)->getBitWidth();
if (BitWidth <= 8)
- O << TAI->getData8bitsDirective();
+ O << TAI->getData8bitsDirective(AddrSpace);
else if (BitWidth <= 16)
- O << TAI->getData16bitsDirective();
+ O << TAI->getData16bitsDirective(AddrSpace);
else if (BitWidth <= 32)
- O << TAI->getData32bitsDirective();
+ O << TAI->getData32bitsDirective(AddrSpace);
else if (BitWidth <= 64) {
- assert(TAI->getData64bitsDirective() &&
+ assert(TAI->getData64bitsDirective(AddrSpace) &&
"Target cannot handle 64-bit constant exprs!");
- O << TAI->getData64bitsDirective();
+ O << TAI->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() &&
+ assert(TAI->getData64bitsDirective(AddrSpace) &&
"Target cannot handle 64-bit pointer exprs!");
- O << TAI->getData64bitsDirective();
+ O << TAI->getData64bitsDirective(AddrSpace);
+ } else if (TD->getPointerSize() == 2) {
+ O << TAI->getData16bitsDirective(AddrSpace);
+ } else if (TD->getPointerSize() == 1) {
+ O << TAI->getData8bitsDirective(AddrSpace);
} else {
- O << TAI->getData32bitsDirective();
+ O << TAI->getData32bitsDirective(AddrSpace);
}
break;
case Type::FloatTyID: case Type::DoubleTyID:
}
cerr << "no GCMetadataPrinter registered for GC: " << Name << "\n";
- abort();
+ llvm_unreachable();
}
projects / oota-llvm.git / blobdiff