//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/DerivedTypes.h"
#include "llvm/Constants.h"
#include "llvm/Module.h"
+#include "llvm/CodeGen/Collector.h"
+#include "llvm/CodeGen/CollectorMetadata.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/ADT/SmallPtrSet.h"
#include <cerrno>
using namespace llvm;
static cl::opt<bool>
AsmVerbose("asm-verbose", cl::Hidden, cl::desc("Add comments to directives."));
-const int AsmPrinter::ID = 0;
+char AsmPrinter::ID = 0;
AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm,
const TargetAsmInfo *T)
- : MachineFunctionPass((intptr_t)&ID), FunctionNumber(0), O(o), TM(tm), TAI(T)
+ : MachineFunctionPass((intptr_t)&ID), FunctionNumber(0), O(o),
+ TM(tm), TAI(T), TRI(tm.getRegisterInfo()),
+ IsInTextSection(false)
{}
std::string AsmPrinter::getSectionForFunction(const Function &F) const {
if (!CurrentSection.empty())
O << CurrentSection << TAI->getTextSectionStartSuffix() << '\n';
+
+ IsInTextSection = true;
}
/// SwitchToDataSection - Switch to the specified data section of the executable
if (!CurrentSection.empty())
O << CurrentSection << TAI->getDataSectionStartSuffix() << '\n';
+
+ IsInTextSection = false;
}
+void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
+ MachineFunctionPass::getAnalysisUsage(AU);
+ AU.addRequired<CollectorModuleMetadata>();
+}
+
bool AsmPrinter::doInitialization(Module &M) {
Mang = new Mangler(M, TAI->getGlobalPrefix());
+ CollectorModuleMetadata *CMM = getAnalysisToUpdate<CollectorModuleMetadata>();
+ assert(CMM && "AsmPrinter didn't require CollectorModuleMetadata?");
+ for (CollectorModuleMetadata::iterator I = CMM->begin(),
+ E = CMM->end(); I != E; ++I)
+ (*I)->beginAssembly(O, *this, *TAI);
+
if (!M.getModuleInlineAsm().empty())
O << TAI->getCommentString() << " Start of file scope inline assembly\n"
<< M.getModuleInlineAsm()
SwitchToDataSection(""); // Reset back to no section.
- if (MachineModuleInfo *MMI = getAnalysisToUpdate<MachineModuleInfo>()) {
- MMI->AnalyzeModule(M);
- }
+ MMI = getAnalysisToUpdate<MachineModuleInfo>();
+ if (MMI) MMI->AnalyzeModule(M);
return false;
}
I!=E; ++I) {
std::string Name = Mang->getValueName(I);
std::string Target;
+
+ const GlobalValue *GV = cast<GlobalValue>(I->getAliasedGlobal());
+ Target = Mang->getValueName(GV);
- if (const GlobalValue *GV = I->getAliasedGlobal())
- Target = Mang->getValueName(GV);
- else
- assert(0 && "Unsupported aliasee");
-
- if (I->hasExternalLinkage())
+ if (I->hasExternalLinkage() || !TAI->getWeakRefDirective())
O << "\t.globl\t" << Name << "\n";
else if (I->hasWeakLinkage())
O << TAI->getWeakRefDirective() << Name << "\n";
else if (!I->hasInternalLinkage())
assert(0 && "Invalid alias linkage");
-
- O << TAI->getSetDirective() << Name << ", " << Target << "\n";
+
+ if (I->hasHiddenVisibility()) {
+ if (const char *Directive = TAI->getHiddenDirective())
+ O << Directive << Name << "\n";
+ } else if (I->hasProtectedVisibility()) {
+ if (const char *Directive = TAI->getProtectedDirective())
+ O << Directive << Name << "\n";
+ }
+
+ 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";
+ }
}
}
+ CollectorModuleMetadata *CMM = getAnalysisToUpdate<CollectorModuleMetadata>();
+ assert(CMM && "AsmPrinter didn't require CollectorModuleMetadata?");
+ for (CollectorModuleMetadata::iterator I = CMM->end(),
+ E = CMM->begin(); I != E; )
+ (*--I)->finishAssembly(O, *this, *TAI);
+
+ // If we don't have any trampolines, then we don't require stack memory
+ // to be executable. Some targets have a directive to declare this.
+ Function* InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline");
+ if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty())
+ if (TAI->getNonexecutableStackDirective())
+ O << TAI->getNonexecutableStackDirective() << "\n";
+
delete Mang; Mang = 0;
return false;
}
+std::string AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF) {
+ assert(MF && "No machine function?");
+ std::string Name = MF->getFunction()->getName();
+ if (Name.empty())
+ Name = Mang->getValueName(MF->getFunction());
+ return Mang->makeNameProper(Name + ".eh", TAI->getGlobalPrefix());
+}
+
void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
// What's my mangled name?
CurrentFnName = Mang->getValueName(MF.getFunction());
MachineConstantPoolEntry CPE = CP[i];
const Type *Ty = CPE.getType();
if (TAI->getFourByteConstantSection() &&
- TM.getTargetData()->getTypeSize(Ty) == 4)
+ TM.getTargetData()->getABITypeSize(Ty) == 4)
FourByteCPs.push_back(std::make_pair(CPE, i));
else if (TAI->getEightByteConstantSection() &&
- TM.getTargetData()->getTypeSize(Ty) == 8)
+ TM.getTargetData()->getABITypeSize(Ty) == 8)
EightByteCPs.push_back(std::make_pair(CPE, i));
else if (TAI->getSixteenByteConstantSection() &&
- TM.getTargetData()->getTypeSize(Ty) == 16)
+ TM.getTargetData()->getABITypeSize(Ty) == 16)
SixteenByteCPs.push_back(std::make_pair(CPE, i));
else
OtherCPs.push_back(std::make_pair(CPE, i));
if (i != e-1) {
const Type *Ty = CP[i].first.getType();
unsigned EntSize =
- TM.getTargetData()->getTypeSize(Ty);
+ TM.getTargetData()->getABITypeSize(Ty);
unsigned ValEnd = CP[i].first.getOffset() + EntSize;
// Emit inter-object padding for alignment.
EmitZeros(CP[i+1].first.getOffset()-ValEnd);
MachineFunction &MF) {
const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables();
if (JT.empty()) return;
+
bool IsPic = TM.getRelocationModel() == Reloc::PIC_;
- // Use JumpTableDirective otherwise honor the entry size from the jump table
- // info.
- const char *JTEntryDirective = TAI->getJumpTableDirective();
- bool HadJTEntryDirective = JTEntryDirective != NULL;
- if (!HadJTEntryDirective) {
- JTEntryDirective = MJTI->getEntrySize() == 4 ?
- TAI->getData32bitsDirective() : TAI->getData64bitsDirective();
- }
-
// Pick the directive to use to print the jump table entries, and switch to
// the appropriate section.
TargetLowering *LoweringInfo = TM.getTargetLowering();
// For PIC codegen, if possible we want to use the SetDirective to reduce
// the number of relocations the assembler will generate for the jump table.
// Set directives are all printed before the jump table itself.
- std::set<MachineBasicBlock*> EmittedSets;
+ SmallPtrSet<MachineBasicBlock*, 16> EmittedSets;
if (TAI->getSetDirective() && IsPic)
for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii)
- if (EmittedSets.insert(JTBBs[ii]).second)
- printSetLabel(i, JTBBs[ii]);
+ if (EmittedSets.insert(JTBBs[ii]))
+ printPICJumpTableSetLabel(i, JTBBs[ii]);
// On some targets (e.g. darwin) we want to emit two consequtive labels
// before each jump table. The first label is never referenced, but tells
<< '_' << i << ":\n";
for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) {
- O << JTEntryDirective << ' ';
- // If we have emitted set directives for the jump table entries, print
- // them rather than the entries themselves. If we're emitting PIC, then
- // emit the table entries as differences between two text section labels.
- // If we're emitting non-PIC code, then emit the entries as direct
- // references to the target basic blocks.
- if (!EmittedSets.empty()) {
- O << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
- << '_' << i << "_set_" << JTBBs[ii]->getNumber();
- } else if (IsPic) {
- printBasicBlockLabel(JTBBs[ii], false, false);
- // If the arch uses custom Jump Table directives, don't calc relative to
- // JT
- if (!HadJTEntryDirective)
- O << '-' << TAI->getPrivateGlobalPrefix() << "JTI"
- << getFunctionNumber() << '_' << i;
- } else {
- printBasicBlockLabel(JTBBs[ii], false, false);
- }
+ printPICJumpTableEntry(MJTI, JTBBs[ii], i);
O << '\n';
}
}
}
+void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
+ const MachineBasicBlock *MBB,
+ unsigned uid) const {
+ bool IsPic = TM.getRelocationModel() == Reloc::PIC_;
+
+ // Use JumpTableDirective otherwise honor the entry size from the jump table
+ // info.
+ const char *JTEntryDirective = TAI->getJumpTableDirective();
+ bool HadJTEntryDirective = JTEntryDirective != NULL;
+ if (!HadJTEntryDirective) {
+ JTEntryDirective = MJTI->getEntrySize() == 4 ?
+ TAI->getData32bitsDirective() : TAI->getData64bitsDirective();
+ }
+
+ O << JTEntryDirective << ' ';
+
+ // If we have emitted set directives for the jump table entries, print
+ // them rather than the entries themselves. If we're emitting PIC, then
+ // emit the table entries as differences between two text section labels.
+ // If we're emitting non-PIC code, then emit the entries as direct
+ // references to the target basic blocks.
+ if (IsPic) {
+ if (TAI->getSetDirective()) {
+ O << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
+ << '_' << uid << "_set_" << MBB->getNumber();
+ } else {
+ printBasicBlockLabel(MBB, false, false, false);
+ // If the arch uses custom Jump Table directives, don't calc relative to
+ // JT
+ if (!HadJTEntryDirective)
+ O << '-' << TAI->getPrivateGlobalPrefix() << "JTI"
+ << getFunctionNumber() << '_' << uid;
+ }
+ } else {
+ printBasicBlockLabel(MBB, false, false, false);
+ }
+}
+
+
/// EmitSpecialLLVMGlobal - Check to see if the specified global is a
/// special global used by LLVM. If so, emit it and return true, otherwise
/// do nothing and return false.
bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
+ if (GV->getName() == "llvm.used") {
+ if (TAI->getUsedDirective() != 0) // No need to emit this at all.
+ EmitLLVMUsedList(GV->getInitializer());
+ return true;
+ }
+
// Ignore debug and non-emitted data.
if (GV->getSection() == "llvm.metadata") return true;
assert(GV->hasInitializer() && "Not a special LLVM global!");
- if (GV->getName() == "llvm.used") {
- if (TAI->getUsedDirective() != 0) // No need to emit this at all.
- EmitLLVMUsedList(GV->getInitializer());
- return true;
- }
-
+ const TargetData *TD = TM.getTargetData();
+ unsigned Align = Log2_32(TD->getPointerPrefAlignment());
if (GV->getName() == "llvm.global_ctors" && GV->use_empty()) {
SwitchToDataSection(TAI->getStaticCtorsSection());
- EmitAlignment(2, 0);
+ EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
return true;
}
if (GV->getName() == "llvm.global_dtors" && GV->use_empty()) {
SwitchToDataSection(TAI->getStaticDtorsSection());
- EmitAlignment(2, 0);
+ EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
return true;
}
}
+/// 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);
+ }
+ O << "\"";
+}
+
+
//===----------------------------------------------------------------------===//
-// EmitAlignment - Emit an alignment directive to the specified power of two.
-// Use the maximum of the specified alignment and the alignment from the
-// specified GlobalValue (if any).
-void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV) const {
+// EmitAlignment - Emit an alignment directive to the specified power of
+// two boundary. For example, if you pass in 3 here, you will get an 8
+// byte alignment. If a global value is specified, and if that global has
+// an explicit alignment requested, it will unconditionally override the
+// alignment request. However, if ForcedAlignBits is specified, this value
+// has final say: the ultimate alignment will be the max of ForcedAlignBits
+// and the alignment computed with NumBits and the global.
+//
+// The algorithm is:
+// Align = NumBits;
+// if (GV && GV->hasalignment) Align = GV->getalignment();
+// Align = std::max(Align, ForcedAlignBits);
+//
+void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV,
+ unsigned ForcedAlignBits,
+ bool UseFillExpr) const {
if (GV && GV->getAlignment())
- NumBits = std::max(NumBits, Log2_32(GV->getAlignment()));
+ NumBits = Log2_32(GV->getAlignment());
+ NumBits = std::max(NumBits, ForcedAlignBits);
+
if (NumBits == 0) return; // No need to emit alignment.
if (TAI->getAlignmentIsInBytes()) NumBits = 1 << NumBits;
- O << TAI->getAlignDirective() << NumBits << "\n";
+ O << TAI->getAlignDirective() << NumBits;
+
+ unsigned FillValue = TAI->getTextAlignFillValue();
+ UseFillExpr &= IsInTextSection && FillValue;
+ if (UseFillExpr) O << ",0x" << std::hex << FillValue << std::dec;
+ O << "\n";
}
// 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 (Ty->isInteger() &&
- TD->getTypeSize(Ty) >= TD->getTypeSize(Op->getType()))
+ TD->getABITypeSize(Ty) >= TD->getABITypeSize(Op->getType()))
return EmitConstantValueOnly(Op);
assert(0 && "FIXME: Don't yet support this kind of constant cast expr");
}
case Instruction::Add:
case Instruction::Sub:
+ case Instruction::And:
+ case Instruction::Or:
+ case Instruction::Xor:
O << "(";
EmitConstantValueOnly(CE->getOperand(0));
- O << (Opcode==Instruction::Add ? ") + (" : ") - (");
+ O << ")";
+ switch (Opcode) {
+ 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;
+ }
+ O << "(";
EmitConstantValueOnly(CE->getOperand(1));
O << ")";
break;
}
/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
-///
-void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
+/// If Packed is false, pad to the ABI size.
+void AsmPrinter::EmitGlobalConstant(const Constant *CV, bool Packed) {
const TargetData *TD = TM.getTargetData();
+ unsigned Size = Packed ?
+ TD->getTypeStoreSize(CV->getType()) : TD->getABITypeSize(CV->getType());
if (CV->isNullValue() || isa<UndefValue>(CV)) {
- EmitZeros(TD->getTypeSize(CV->getType()));
+ EmitZeros(Size);
return;
} else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
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), false);
}
return;
} else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
const Constant* field = CVS->getOperand(i);
// Check if padding is needed and insert one or more 0s.
- uint64_t fieldSize = TD->getTypeSize(field->getType());
- uint64_t padSize = ((i == e-1? cvsLayout->getSizeInBytes()
- : cvsLayout->getElementOffset(i+1))
+ uint64_t fieldSize = TD->getTypeStoreSize(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);
+ // Now print the actual field value without ABI size padding.
+ EmitGlobalConstant(field, true);
- // Insert the field padding unless it's zero bytes...
+ // 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);
}
assert(sizeSoFar == cvsLayout->getSizeInBytes() &&
} else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
// FP Constants are printed as integer constants to avoid losing
// precision...
- double Val = CFP->getValue();
if (CFP->getType() == Type::DoubleTy) {
+ double Val = CFP->getValueAPF().convertToDouble(); // for comment only
+ uint64_t i = CFP->getValueAPF().convertToAPInt().getZExtValue();
if (TAI->getData64bitsDirective())
- O << TAI->getData64bitsDirective() << DoubleToBits(Val) << "\t"
+ O << TAI->getData64bitsDirective() << i << "\t"
<< TAI->getCommentString() << " double value: " << Val << "\n";
else if (TD->isBigEndian()) {
- O << TAI->getData32bitsDirective() << unsigned(DoubleToBits(Val) >> 32)
+ O << TAI->getData32bitsDirective() << unsigned(i >> 32)
<< "\t" << TAI->getCommentString()
<< " double most significant word " << Val << "\n";
- O << TAI->getData32bitsDirective() << unsigned(DoubleToBits(Val))
+ O << TAI->getData32bitsDirective() << unsigned(i)
<< "\t" << TAI->getCommentString()
<< " double least significant word " << Val << "\n";
} else {
- O << TAI->getData32bitsDirective() << unsigned(DoubleToBits(Val))
+ O << TAI->getData32bitsDirective() << unsigned(i)
<< "\t" << TAI->getCommentString()
<< " double least significant word " << Val << "\n";
- O << TAI->getData32bitsDirective() << unsigned(DoubleToBits(Val) >> 32)
+ O << TAI->getData32bitsDirective() << unsigned(i >> 32)
<< "\t" << TAI->getCommentString()
<< " double most significant word " << Val << "\n";
}
return;
- } else {
- O << TAI->getData32bitsDirective() << FloatToBits(Val)
+ } else if (CFP->getType() == Type::FloatTy) {
+ float Val = CFP->getValueAPF().convertToFloat(); // for comment only
+ O << TAI->getData32bitsDirective()
+ << CFP->getValueAPF().convertToAPInt().getZExtValue()
<< "\t" << TAI->getCommentString() << " float " << Val << "\n";
return;
- }
+ } else if (CFP->getType() == Type::X86_FP80Ty) {
+ // all long double variants are printed as hex
+ // api needed to prevent premature destruction
+ APInt api = CFP->getValueAPF().convertToAPInt();
+ const uint64_t *p = api.getRawData();
+ APFloat DoubleVal = CFP->getValueAPF();
+ DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven);
+ 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";
+ } 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";
+ }
+ EmitZeros(Size - TD->getTypeStoreSize(Type::X86_FP80Ty));
+ return;
+ } else if (CFP->getType() == Type::PPC_FP128Ty) {
+ // all long double variants are printed as hex
+ // api needed to prevent premature destruction
+ APInt api = CFP->getValueAPF().convertToAPInt();
+ 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";
+ } 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";
+ }
+ return;
+ } else assert(0 && "Floating point constant type not handled");
} else if (CV->getType() == Type::Int64Ty) {
if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
uint64_t Val = CI->getZExtValue();
const VectorType *PTy = CP->getType();
for (unsigned I = 0, E = PTy->getNumElements(); I < E; ++I)
- EmitGlobalConstant(CP->getOperand(I));
+ EmitGlobalConstant(CP->getOperand(I), false);
return;
}
// Count the number of register definitions.
unsigned NumDefs = 0;
- for (; MI->getOperand(NumDefs).isReg() && MI->getOperand(NumDefs).isDef();
+ for (; MI->getOperand(NumDefs).isRegister() && MI->getOperand(NumDefs).isDef();
++NumDefs)
assert(NumDefs != NumOperands-1 && "No asm string?");
// Disassemble the AsmStr, printing out the literal pieces, the operands, etc.
const char *AsmStr = MI->getOperand(NumDefs).getSymbolName();
- // If this asmstr is empty, don't bother printing the #APP/#NOAPP markers.
+ // If this asmstr is empty, just print the #APP/#NOAPP markers.
+ // These are useful to see where empty asm's wound up.
if (AsmStr[0] == 0) {
- O << "\n"; // Tab already printed, avoid double indenting next instr.
+ O << TAI->getInlineAsmStart() << "\n\t" << TAI->getInlineAsmEnd() << "\n";
return;
}
// Scan to find the machine operand number for the operand.
for (; Val; --Val) {
if (OpNo >= MI->getNumOperands()) break;
- unsigned OpFlags = MI->getOperand(OpNo).getImmedValue();
+ unsigned OpFlags = MI->getOperand(OpNo).getImm();
OpNo += (OpFlags >> 3) + 1;
}
if (OpNo >= MI->getNumOperands()) {
Error = true;
} else {
- unsigned OpFlags = MI->getOperand(OpNo).getImmedValue();
+ unsigned OpFlags = MI->getOperand(OpNo).getImm();
++OpNo; // Skip over the ID number.
- AsmPrinter *AP = const_cast<AsmPrinter*>(this);
- if ((OpFlags & 7) == 4 /*ADDR MODE*/) {
- Error = AP->PrintAsmMemoryOperand(MI, OpNo, AsmPrinterVariant,
- Modifier[0] ? Modifier : 0);
- } else {
- Error = AP->PrintAsmOperand(MI, OpNo, AsmPrinterVariant,
- Modifier[0] ? Modifier : 0);
+ if (Modifier[0]=='l') // labels are target independent
+ printBasicBlockLabel(MI->getOperand(OpNo).getMBB(),
+ false, false, false);
+ else {
+ AsmPrinter *AP = const_cast<AsmPrinter*>(this);
+ if ((OpFlags & 7) == 4 /*ADDR MODE*/) {
+ Error = AP->PrintAsmMemoryOperand(MI, OpNo, AsmPrinterVariant,
+ Modifier[0] ? Modifier : 0);
+ } else {
+ Error = AP->PrintAsmOperand(MI, OpNo, AsmPrinterVariant,
+ Modifier[0] ? Modifier : 0);
+ }
}
}
if (Error) {
O << "\n\t" << TAI->getInlineAsmEnd() << "\n";
}
+/// 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";
+}
+
/// printLabel - This method prints a local label used by debug and
/// exception handling tables.
void AsmPrinter::printLabel(const MachineInstr *MI) const {
- O << "\n"
- << TAI->getPrivateGlobalPrefix()
- << "label"
- << MI->getOperand(0).getImmedValue()
- << ":\n";
+ O << TAI->getPrivateGlobalPrefix()
+ << "label" << MI->getOperand(0).getImm() << ":\n";
+}
+
+void AsmPrinter::printLabel(unsigned Id) const {
+ O << TAI->getPrivateGlobalPrefix() << "label" << Id << ":\n";
+}
+
+/// printDeclare - This method prints a local variable declaration used by
+/// debug tables.
+/// FIXME: It doesn't really print anything rather it inserts a DebugVariable
+/// entry into dwarf table.
+void AsmPrinter::printDeclare(const MachineInstr *MI) const {
+ int FI = MI->getOperand(0).getIndex();
+ GlobalValue *GV = MI->getOperand(1).getGlobal();
+ MMI->RecordVariable(GV, FI);
}
/// PrintAsmOperand - Print the specified operand of MI, an INLINEASM
/// printBasicBlockLabel - This method prints the label for the specified
/// MachineBasicBlock
void AsmPrinter::printBasicBlockLabel(const MachineBasicBlock *MBB,
+ bool printAlign,
bool printColon,
bool printComment) const {
- O << TAI->getPrivateGlobalPrefix() << "BB" << FunctionNumber << "_"
+ if (printAlign) {
+ unsigned Align = MBB->getAlignment();
+ if (Align)
+ EmitAlignment(Log2_32(Align));
+ }
+
+ O << TAI->getPrivateGlobalPrefix() << "BB" << getFunctionNumber() << "_"
<< MBB->getNumber();
if (printColon)
O << ':';
if (printComment && MBB->getBasicBlock())
- O << '\t' << TAI->getCommentString() << MBB->getBasicBlock()->getName();
+ O << '\t' << TAI->getCommentString() << ' '
+ << MBB->getBasicBlock()->getName();
}
-/// printSetLabel - This method prints a set label for the specified
-/// MachineBasicBlock
-void AsmPrinter::printSetLabel(unsigned uid,
- const MachineBasicBlock *MBB) const {
+/// printPICJumpTableSetLabel - This method prints a set label for the
+/// specified MachineBasicBlock for a jumptable entry.
+void AsmPrinter::printPICJumpTableSetLabel(unsigned uid,
+ const MachineBasicBlock *MBB) const {
if (!TAI->getSetDirective())
return;
O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false);
+ printBasicBlockLabel(MBB, false, false, false);
O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << uid << '\n';
}
-void AsmPrinter::printSetLabel(unsigned uid, unsigned uid2,
- const MachineBasicBlock *MBB) const {
+void AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
+ const MachineBasicBlock *MBB) const {
if (!TAI->getSetDirective())
return;
O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << '_' << uid2
<< "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false);
+ printBasicBlockLabel(MBB, false, false, false);
O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << uid << '_' << uid2 << '\n';
}
}
break;
case Type::FloatTyID: case Type::DoubleTyID:
+ case Type::X86_FP80TyID: case Type::FP128TyID: case Type::PPC_FP128TyID:
assert (0 && "Should have already output floating point constant.");
default:
assert (0 && "Can't handle printing this type of thing");
}
}
+void AsmPrinter::printSuffixedName(std::string &Name, const char* Suffix) {
+ if (Name[0]=='\"')
+ O << "\"" << TAI->getPrivateGlobalPrefix() <<
+ Name.substr(1, Name.length()-2) << Suffix << "\"";
+ else
+ O << TAI->getPrivateGlobalPrefix() << Name << Suffix;
+}
projects / oota-llvm.git / blobdiff