//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/Assembly/Writer.h"
+#include "llvm/DerivedTypes.h"
#include "llvm/Constants.h"
#include "llvm/Module.h"
+#include "llvm/CodeGen/MachineConstantPool.h"
+#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
+#include <iostream>
+#include <cerrno>
using namespace llvm;
+AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm)
+: FunctionNumber(0), O(o), TM(tm),
+ CommentString("#"),
+ GlobalPrefix(""),
+ PrivateGlobalPrefix("."),
+ GlobalVarAddrPrefix(""),
+ GlobalVarAddrSuffix(""),
+ FunctionAddrPrefix(""),
+ FunctionAddrSuffix(""),
+ InlineAsmStart("#APP"),
+ InlineAsmEnd("#NO_APP"),
+ ZeroDirective("\t.zero\t"),
+ ZeroDirectiveSuffix(0),
+ AsciiDirective("\t.ascii\t"),
+ AscizDirective("\t.asciz\t"),
+ Data8bitsDirective("\t.byte\t"),
+ Data16bitsDirective("\t.short\t"),
+ Data32bitsDirective("\t.long\t"),
+ Data64bitsDirective("\t.quad\t"),
+ AlignDirective("\t.align\t"),
+ AlignmentIsInBytes(true),
+ SwitchToSectionDirective("\t.section\t"),
+ TextSectionStartSuffix(""),
+ DataSectionStartSuffix(""),
+ SectionEndDirectiveSuffix(0),
+ ConstantPoolSection("\t.section .rodata\n"),
+ JumpTableSection("\t.section .rodata\n"),
+ StaticCtorsSection("\t.section .ctors,\"aw\",@progbits"),
+ StaticDtorsSection("\t.section .dtors,\"aw\",@progbits"),
+ LCOMMDirective(0),
+ COMMDirective("\t.comm\t"),
+ COMMDirectiveTakesAlignment(true),
+ HasDotTypeDotSizeDirective(true) {
+}
+
+
+/// SwitchToTextSection - Switch to the specified text section of the executable
+/// if we are not already in it!
+///
+void AsmPrinter::SwitchToTextSection(const char *NewSection,
+ const GlobalValue *GV) {
+ std::string NS;
+ if (GV && GV->hasSection())
+ NS = SwitchToSectionDirective + GV->getSection();
+ else
+ NS = NewSection;
+
+ // If we're already in this section, we're done.
+ if (CurrentSection == NS) return;
+
+ // Close the current section, if applicable.
+ if (SectionEndDirectiveSuffix && !CurrentSection.empty())
+ O << CurrentSection << SectionEndDirectiveSuffix << "\n";
+
+ CurrentSection = NS;
+
+ if (!CurrentSection.empty())
+ O << CurrentSection << TextSectionStartSuffix << '\n';
+}
+
+/// SwitchToTextSection - Switch to the specified text section of the executable
+/// if we are not already in it!
+///
+void AsmPrinter::SwitchToDataSection(const char *NewSection,
+ const GlobalValue *GV) {
+ std::string NS;
+ if (GV && GV->hasSection())
+ NS = SwitchToSectionDirective + GV->getSection();
+ else
+ NS = NewSection;
+
+ // If we're already in this section, we're done.
+ if (CurrentSection == NS) return;
+
+ // Close the current section, if applicable.
+ if (SectionEndDirectiveSuffix && !CurrentSection.empty())
+ O << CurrentSection << SectionEndDirectiveSuffix << "\n";
+
+ CurrentSection = NS;
+
+ if (!CurrentSection.empty())
+ O << CurrentSection << DataSectionStartSuffix << '\n';
+}
+
+
bool AsmPrinter::doInitialization(Module &M) {
Mang = new Mangler(M, GlobalPrefix);
+
+ if (!M.getModuleInlineAsm().empty())
+ O << CommentString << " Start of file scope inline assembly\n"
+ << M.getModuleInlineAsm()
+ << "\n" << CommentString << " End of file scope inline assembly\n";
+
+ SwitchToDataSection("", 0); // Reset back to no section.
+
+ if (MachineDebugInfo *DebugInfo = getAnalysisToUpdate<MachineDebugInfo>()) {
+ DebugInfo->AnalyzeModule(M);
+ }
+
return false;
}
return false;
}
-void AsmPrinter::setupMachineFunction(MachineFunction &MF) {
+void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
// What's my mangled name?
CurrentFnName = Mang->getValueName(MF.getFunction());
+ IncrementFunctionNumber();
}
-// emitAlignment - Emit an alignment directive to the specified power of two.
-void AsmPrinter::emitAlignment(unsigned NumBits, const GlobalValue *GV) const {
+/// 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
+/// the code generator.
+///
+void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
+ const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants();
+ if (CP.empty()) return;
+
+ SwitchToDataSection(ConstantPoolSection, 0);
+ EmitAlignment(MCP->getConstantPoolAlignment());
+ for (unsigned i = 0, e = CP.size(); i != e; ++i) {
+ O << PrivateGlobalPrefix << "CPI" << getFunctionNumber() << '_' << i
+ << ":\t\t\t\t\t" << CommentString << " ";
+ WriteTypeSymbolic(O, CP[i].Val->getType(), 0) << '\n';
+ EmitGlobalConstant(CP[i].Val);
+ if (i != e-1) {
+ unsigned EntSize = TM.getTargetData()->getTypeSize(CP[i].Val->getType());
+ unsigned ValEnd = CP[i].Offset + EntSize;
+ // Emit inter-object padding for alignment.
+ EmitZeros(CP[i+1].Offset-ValEnd);
+ }
+ }
+}
+
+/// EmitJumpTableInfo - Print assembly representations of the jump tables used
+/// by the current function to the current output stream.
+///
+void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI) {
+ const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables();
+ if (JT.empty()) return;
+ const TargetData *TD = TM.getTargetData();
+
+ // FIXME: someday we need to handle PIC jump tables
+ assert((TM.getRelocationModel() == Reloc::Static ||
+ TM.getRelocationModel() == Reloc::DynamicNoPIC) &&
+ "Unhandled relocation model emitting jump table information!");
+
+ SwitchToDataSection(JumpTableSection, 0);
+ EmitAlignment(Log2_32(TD->getPointerAlignment()));
+ for (unsigned i = 0, e = JT.size(); i != e; ++i) {
+ O << PrivateGlobalPrefix << "JTI" << getFunctionNumber() << '_' << i
+ << ":\n";
+ const std::vector<MachineBasicBlock*> &JTBBs = JT[i].MBBs;
+ for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) {
+ O << Data32bitsDirective << ' ';
+ printBasicBlockLabel(JTBBs[ii]);
+ O << '\n';
+ }
+ }
+}
+
+/// 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) {
+ // Ignore debug and non-emitted data.
+ if (GV->getSection() == "llvm.metadata") return true;
+
+ if (!GV->hasAppendingLinkage()) return false;
+
+ assert(GV->hasInitializer() && "Not a special LLVM global!");
+
+ if (GV->getName() == "llvm.used")
+ return true; // No need to emit this at all.
+
+ if (GV->getName() == "llvm.global_ctors" && GV->use_empty()) {
+ SwitchToDataSection(StaticCtorsSection, 0);
+ EmitAlignment(2, 0);
+ EmitXXStructorList(GV->getInitializer());
+ return true;
+ }
+
+ if (GV->getName() == "llvm.global_dtors" && GV->use_empty()) {
+ SwitchToDataSection(StaticDtorsSection, 0);
+ EmitAlignment(2, 0);
+ EmitXXStructorList(GV->getInitializer());
+ return true;
+ }
+
+ return false;
+}
+
+/// EmitXXStructorList - Emit the ctor or dtor list. This just prints out the
+/// function pointers, ignoring the init priority.
+void AsmPrinter::EmitXXStructorList(Constant *List) {
+ // Should be an array of '{ int, void ()* }' structs. The first value is the
+ // init priority, which we ignore.
+ if (!isa<ConstantArray>(List)) return;
+ ConstantArray *InitList = cast<ConstantArray>(List);
+ for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i)
+ if (ConstantStruct *CS = dyn_cast<ConstantStruct>(InitList->getOperand(i))){
+ if (CS->getNumOperands() != 2) return; // Not array of 2-element structs.
+
+ if (CS->getOperand(1)->isNullValue())
+ return; // Found a null terminator, exit printing.
+ // Emit the function pointer.
+ EmitGlobalConstant(CS->getOperand(1));
+ }
+}
+
+/// getPreferredAlignmentLog - Return the preferred alignment of the
+/// specified global, returned in log form. This includes an explicitly
+/// requested alignment (if the global has one).
+unsigned AsmPrinter::getPreferredAlignmentLog(const GlobalVariable *GV) const {
+ const Type *ElemType = GV->getType()->getElementType();
+ unsigned Alignment = TM.getTargetData()->getTypeAlignmentShift(ElemType);
+ if (GV->getAlignment() > (1U << Alignment))
+ Alignment = Log2_32(GV->getAlignment());
+
+ if (GV->hasInitializer()) {
+ // Always round up alignment of global doubles to 8 bytes.
+ if (GV->getType()->getElementType() == Type::DoubleTy && Alignment < 3)
+ Alignment = 3;
+ if (Alignment < 4) {
+ // If the global is not external, see if it is large. If so, give it a
+ // larger alignment.
+ if (TM.getTargetData()->getTypeSize(ElemType) > 128)
+ Alignment = 4; // 16-byte alignment.
+ }
+ }
+ return Alignment;
+}
+
+// EmitAlignment - Emit an alignment directive to the specified power of two.
+void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV) const {
if (GV && GV->getAlignment())
NumBits = Log2_32(GV->getAlignment());
if (NumBits == 0) return; // No need to emit alignment.
O << AlignDirective << NumBits << "\n";
}
-/// emitZeros - Emit a block of zeros.
+/// EmitZeros - Emit a block of zeros.
///
-void AsmPrinter::emitZeros(uint64_t NumZeros) const {
+void AsmPrinter::EmitZeros(uint64_t NumZeros) const {
if (NumZeros) {
- if (ZeroDirective)
- O << ZeroDirective << NumZeros << "\n";
- else {
+ if (ZeroDirective) {
+ O << ZeroDirective << NumZeros;
+ if (ZeroDirectiveSuffix)
+ O << ZeroDirectiveSuffix;
+ O << "\n";
+ } else {
for (; NumZeros; --NumZeros)
O << Data8bitsDirective << "0\n";
}
// Print out the specified constant, without a storage class. Only the
// constants valid in constant expressions can occur here.
-void AsmPrinter::emitConstantValueOnly(const Constant *CV) {
+void AsmPrinter::EmitConstantValueOnly(const Constant *CV) {
if (CV->isNullValue() || isa<UndefValue>(CV))
O << "0";
else if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
else
O << GlobalVarAddrPrefix << Mang->getValueName(GV) << GlobalVarAddrSuffix;
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
- const TargetData &TD = TM.getTargetData();
+ const TargetData *TD = TM.getTargetData();
switch(CE->getOpcode()) {
case Instruction::GetElementPtr: {
// generate a symbolic expression for the byte address
const Constant *ptrVal = CE->getOperand(0);
std::vector<Value*> idxVec(CE->op_begin()+1, CE->op_end());
- if (int64_t Offset = TD.getIndexedOffset(ptrVal->getType(), idxVec)) {
+ if (int64_t Offset = TD->getIndexedOffset(ptrVal->getType(), idxVec)) {
if (Offset)
O << "(";
- emitConstantValueOnly(ptrVal);
+ EmitConstantValueOnly(ptrVal);
if (Offset > 0)
O << ") + " << Offset;
else if (Offset < 0)
O << ") - " << -Offset;
} else {
- emitConstantValueOnly(ptrVal);
+ EmitConstantValueOnly(ptrVal);
}
break;
}
|| (isa<PointerType>(Ty)
&& (OpTy == Type::LongTy || OpTy == Type::ULongTy
|| OpTy == Type::IntTy || OpTy == Type::UIntTy))
- || (((TD.getTypeSize(Ty) >= TD.getTypeSize(OpTy))
+ || (((TD->getTypeSize(Ty) >= TD->getTypeSize(OpTy))
&& OpTy->isLosslesslyConvertibleTo(Ty))))
&& "FIXME: Don't yet support this kind of constant cast expr");
- O << "(";
- emitConstantValueOnly(Op);
- O << ")";
+ EmitConstantValueOnly(Op);
break;
}
case Instruction::Add:
O << "(";
- emitConstantValueOnly(CE->getOperand(0));
+ EmitConstantValueOnly(CE->getOperand(0));
O << ") + (";
- emitConstantValueOnly(CE->getOperand(1));
+ EmitConstantValueOnly(CE->getOperand(1));
O << ")";
break;
default:
O << "\"";
}
-/// emitGlobalConstant - Print a general LLVM constant to the .s file.
+/// EmitString - Emit a zero-byte-terminated string constant.
///
-void AsmPrinter::emitGlobalConstant(const Constant *CV) {
- const TargetData &TD = TM.getTargetData();
+void AsmPrinter::EmitString(const ConstantArray *CVA) const {
+ unsigned NumElts = CVA->getNumOperands();
+ if (AscizDirective && NumElts &&
+ cast<ConstantInt>(CVA->getOperand(NumElts-1))->getRawValue() == 0) {
+ O << AscizDirective;
+ printAsCString(O, CVA, NumElts-1);
+ } else {
+ O << AsciiDirective;
+ printAsCString(O, CVA, NumElts);
+ }
+ O << "\n";
+}
+
+/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
+///
+void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
+ const TargetData *TD = TM.getTargetData();
if (CV->isNullValue() || isa<UndefValue>(CV)) {
- emitZeros(TD.getTypeSize(CV->getType()));
+ EmitZeros(TD->getTypeSize(CV->getType()));
return;
} else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
if (CVA->isString()) {
- unsigned NumElts = CVA->getNumOperands();
- if (AscizDirective && NumElts &&
- cast<ConstantInt>(CVA->getOperand(NumElts-1))->getRawValue() == 0) {
- O << AscizDirective;
- printAsCString(O, CVA, NumElts-1);
- } else {
- O << AsciiDirective;
- printAsCString(O, CVA, NumElts);
- }
- O << "\n";
+ 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));
}
return;
} else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
// Print the fields in successive locations. Pad to align if needed!
- const StructLayout *cvsLayout = TD.getStructLayout(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.getTypeSize(field->getType());
+ uint64_t fieldSize = TD->getTypeSize(field->getType());
uint64_t padSize = ((i == e-1? cvsLayout->StructSize
: cvsLayout->MemberOffsets[i+1])
- cvsLayout->MemberOffsets[i]) - fieldSize;
sizeSoFar += fieldSize + padSize;
// Now print the actual field value
- emitGlobalConstant(field);
+ EmitGlobalConstant(field);
// Insert the field padding unless it's zero bytes...
- emitZeros(padSize);
+ EmitZeros(padSize);
}
assert(sizeSoFar == cvsLayout->StructSize &&
"Layout of constant struct may be incorrect!");
if (Data64bitsDirective)
O << Data64bitsDirective << DoubleToBits(Val) << "\t" << CommentString
<< " double value: " << Val << "\n";
- else if (TD.isBigEndian()) {
+ else if (TD->isBigEndian()) {
O << Data32bitsDirective << unsigned(DoubleToBits(Val) >> 32)
<< "\t" << CommentString << " double most significant word "
<< Val << "\n";
if (Data64bitsDirective)
O << Data64bitsDirective << Val << "\n";
- else if (TD.isBigEndian()) {
+ else if (TD->isBigEndian()) {
O << Data32bitsDirective << unsigned(Val >> 32)
<< "\t" << CommentString << " Double-word most significant word "
<< Val << "\n";
}
return;
}
+ } else if (const ConstantPacked *CP = dyn_cast<ConstantPacked>(CV)) {
+ const PackedType *PTy = CP->getType();
+
+ for (unsigned I = 0, E = PTy->getNumElements(); I < E; ++I)
+ EmitGlobalConstant(CP->getOperand(I));
+
+ return;
}
const Type *type = CV->getType();
O << Data16bitsDirective;
break;
case Type::PointerTyID:
- if (TD.getPointerSize() == 8) {
+ if (TD->getPointerSize() == 8) {
+ assert(Data64bitsDirective &&
+ "Target cannot handle 64-bit pointer exprs!");
O << Data64bitsDirective;
break;
}
assert (0 && "Can't handle printing this type of thing");
break;
}
- emitConstantValueOnly(CV);
+ EmitConstantValueOnly(CV);
O << "\n";
}
+
+/// printInlineAsm - This method formats and prints the specified machine
+/// instruction that is an inline asm.
+void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
+ O << InlineAsmStart << "\n\t";
+ unsigned NumOperands = MI->getNumOperands();
+
+ // Count the number of register definitions.
+ unsigned NumDefs = 0;
+ for (; MI->getOperand(NumDefs).isDef(); ++NumDefs)
+ assert(NumDefs != NumOperands-1 && "No asm string?");
+
+ assert(MI->getOperand(NumDefs).isExternalSymbol() && "No asm string?");
+
+ // Disassemble the AsmStr, printing out the literal pieces, the operands, etc.
+ const char *AsmStr = MI->getOperand(NumDefs).getSymbolName();
+
+ // The variant of the current asmprinter: FIXME: change.
+ int AsmPrinterVariant = 0;
+
+ int CurVariant = -1; // The number of the {.|.|.} region we are in.
+ const char *LastEmitted = AsmStr; // One past the last character emitted.
+
+ while (*LastEmitted) {
+ switch (*LastEmitted) {
+ default: {
+ // Not a special case, emit the string section literally.
+ const char *LiteralEnd = LastEmitted+1;
+ while (*LiteralEnd && *LiteralEnd != '{' && *LiteralEnd != '|' &&
+ *LiteralEnd != '}' && *LiteralEnd != '$' && *LiteralEnd != '\n')
+ ++LiteralEnd;
+ if (CurVariant == -1 || CurVariant == AsmPrinterVariant)
+ O.write(LastEmitted, LiteralEnd-LastEmitted);
+ LastEmitted = LiteralEnd;
+ break;
+ }
+ case '\n':
+ ++LastEmitted; // Consume newline character.
+ O << "\n\t"; // Indent code with newline.
+ break;
+ case '$': {
+ ++LastEmitted; // Consume '$' character.
+ if (*LastEmitted == '$') { // $$ -> $
+ if (CurVariant == -1 || CurVariant == AsmPrinterVariant)
+ O << '$';
+ ++LastEmitted; // Consume second '$' character.
+ break;
+ }
+
+ bool HasCurlyBraces = false;
+ if (*LastEmitted == '{') { // ${variable}
+ ++LastEmitted; // Consume '{' character.
+ HasCurlyBraces = true;
+ }
+
+ const char *IDStart = LastEmitted;
+ char *IDEnd;
+ long Val = strtol(IDStart, &IDEnd, 10); // We only accept numbers for IDs.
+ if (!isdigit(*IDStart) || (Val == 0 && errno == EINVAL)) {
+ std::cerr << "Bad $ operand number in inline asm string: '"
+ << AsmStr << "'\n";
+ exit(1);
+ }
+ LastEmitted = IDEnd;
+
+ char Modifier[2] = { 0, 0 };
+
+ if (HasCurlyBraces) {
+ // If we have curly braces, check for a modifier character. This
+ // supports syntax like ${0:u}, which correspond to "%u0" in GCC asm.
+ if (*LastEmitted == ':') {
+ ++LastEmitted; // Consume ':' character.
+ if (*LastEmitted == 0) {
+ std::cerr << "Bad ${:} expression in inline asm string: '"
+ << AsmStr << "'\n";
+ exit(1);
+ }
+
+ Modifier[0] = *LastEmitted;
+ ++LastEmitted; // Consume modifier character.
+ }
+
+ if (*LastEmitted != '}') {
+ std::cerr << "Bad ${} expression in inline asm string: '"
+ << AsmStr << "'\n";
+ exit(1);
+ }
+ ++LastEmitted; // Consume '}' character.
+ }
+
+ if ((unsigned)Val >= NumOperands-1) {
+ std::cerr << "Invalid $ operand number in inline asm string: '"
+ << AsmStr << "'\n";
+ exit(1);
+ }
+
+ // Okay, we finally have a value number. Ask the target to print this
+ // operand!
+ if (CurVariant == -1 || CurVariant == AsmPrinterVariant) {
+ unsigned OpNo = 1;
+
+ bool Error = false;
+
+ // Scan to find the machine operand number for the operand.
+ for (; Val; --Val) {
+ if (OpNo >= MI->getNumOperands()) break;
+ unsigned OpFlags = MI->getOperand(OpNo).getImmedValue();
+ OpNo += (OpFlags >> 3) + 1;
+ }
+
+ if (OpNo >= MI->getNumOperands()) {
+ Error = true;
+ } else {
+ unsigned OpFlags = MI->getOperand(OpNo).getImmedValue();
+ ++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 (Error) {
+ std::cerr << "Invalid operand found in inline asm: '"
+ << AsmStr << "'\n";
+ MI->dump();
+ exit(1);
+ }
+ }
+ break;
+ }
+ case '{':
+ ++LastEmitted; // Consume '{' character.
+ if (CurVariant != -1) {
+ std::cerr << "Nested variants found in inline asm string: '"
+ << AsmStr << "'\n";
+ exit(1);
+ }
+ CurVariant = 0; // We're in the first variant now.
+ break;
+ case '|':
+ ++LastEmitted; // consume '|' character.
+ if (CurVariant == -1) {
+ std::cerr << "Found '|' character outside of variant in inline asm "
+ << "string: '" << AsmStr << "'\n";
+ exit(1);
+ }
+ ++CurVariant; // We're in the next variant.
+ break;
+ case '}':
+ ++LastEmitted; // consume '}' character.
+ if (CurVariant == -1) {
+ std::cerr << "Found '}' character outside of variant in inline asm "
+ << "string: '" << AsmStr << "'\n";
+ exit(1);
+ }
+ CurVariant = -1;
+ break;
+ }
+ }
+ O << "\n\t" << InlineAsmEnd << "\n";
+}
+
+/// PrintAsmOperand - Print the specified operand of MI, an INLINEASM
+/// instruction, using the specified assembler variant. Targets should
+/// overried this to format as appropriate.
+bool AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode) {
+ // Target doesn't support this yet!
+ return true;
+}
+
+bool AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode) {
+ // Target doesn't support this yet!
+ return true;
+}
+
+/// printBasicBlockLabel - This method prints the label for the specified
+/// MachineBasicBlock
+void AsmPrinter::printBasicBlockLabel(const MachineBasicBlock *MBB,
+ bool printColon,
+ bool printComment) const {
+ O << PrivateGlobalPrefix << "BB" << FunctionNumber << "_"
+ << MBB->getNumber();
+ if (printColon)
+ O << ':';
+ if (printComment)
+ O << '\t' << CommentString << MBB->getBasicBlock()->getName();
+}
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