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add a new MachineBasicBlock::getSymbol method, replacing

Browse Source 
the AsmPrinter::GetMBBSymbol.

llvm-svn: 94515
This commit is contained in:
Chris Lattner 2010-01-26 04:55:51 +00:00
parent 91856859d6
commit b4a5d00176
19 changed files with 51 additions and 43 deletions
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4
include/llvm/CodeGen/AsmPrinter.h
View File

@ -301,10 +301,6 @@ namespace llvm {
/// ExternalSymbol.
MCSymbol *GetExternalSymbolSymbol(StringRef Sym) const;
/// GetMBBSymbol - Return the MCSymbol corresponding to the specified basic
/// block label.
MCSymbol *GetMBBSymbol(unsigned MBBID) const;
/// GetCPISymbol - Return the symbol for the specified constant pool entry.
MCSymbol *GetCPISymbol(unsigned CPID) const;

4
include/llvm/CodeGen/MachineBasicBlock.h
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@ -352,6 +352,10 @@ public:
int getNumber() const { return Number; }
void setNumber(int N) { Number = N; }
/// getSymbol - Return the MCSymbol for this basic block.
///
MCSymbol *getSymbol(MCContext &Ctx) const;
private: // Methods used to maintain doubly linked list of blocks...
friend struct ilist_traits<MachineBasicBlock>;

21
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -534,7 +534,7 @@ void AsmPrinter::EmitJumpTableInfo(MachineFunction &MF) {
// In non-pic mode, the entries in the jump table are direct references
// to the basic blocks.
for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) {
MCSymbol *MBBSym = GetMBBSymbol(JTBBs[ii]->getNumber());
MCSymbol *MBBSym = JTBBs[ii]->getSymbol(OutContext);
OutStreamer.EmitValue(MCSymbolRefExpr::Create(MBBSym, OutContext),
EntrySize, /*addrspace*/0);
}
@ -557,13 +557,13 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
case MachineJumpTableInfo::EK_BlockAddress:
// EK_BlockAddress - Each entry is a plain address of block, e.g.:
// .word LBB123
Value = MCSymbolRefExpr::Create(GetMBBSymbol(MBB->getNumber()), OutContext);
Value = MCSymbolRefExpr::Create(MBB->getSymbol(OutContext), OutContext);
break;
case MachineJumpTableInfo::EK_GPRel32BlockAddress: {
// EK_GPRel32BlockAddress - Each entry is an address of block, encoded
// with a relocation as gp-relative, e.g.:
// .gprel32 LBB123
MCSymbol *MBBSym = GetMBBSymbol(MBB->getNumber());
MCSymbol *MBBSym = MBB->getSymbol(OutContext);
OutStreamer.EmitGPRel32Value(MCSymbolRefExpr::Create(MBBSym, OutContext));
return;
}
@ -587,7 +587,7 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
break;
}
// Otherwise, use the difference as the jump table entry.
Value = MCSymbolRefExpr::Create(GetMBBSymbol(MBB->getNumber()), OutContext);
Value = MCSymbolRefExpr::Create(MBB->getSymbol(OutContext), OutContext);
const MCExpr *JTI = MCSymbolRefExpr::Create(GetJTISymbol(uid), OutContext);
Value = MCBinaryExpr::CreateSub(Value, JTI, OutContext);
break;
@ -1286,7 +1286,7 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
++OpNo; // Skip over the ID number.
if (Modifier[0] == 'l') // labels are target independent
O << *GetMBBSymbol(MI->getOperand(OpNo).getMBB()->getNumber());
O << *MI->getOperand(OpNo).getMBB()->getSymbol(OutContext);
else {
AsmPrinter *AP = const_cast<AsmPrinter*>(this);
if ((OpFlags & 7) == 4) {
@ -1386,13 +1386,6 @@ MCSymbol *AsmPrinter::GetBlockAddressSymbol(const Function *F,
return OutContext.GetOrCreateSymbol(NameResult.str());
}
MCSymbol *AsmPrinter::GetMBBSymbol(unsigned MBBID) const {
SmallString<60> Name;
raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "BB"
<< getFunctionNumber() << '_' << MBBID;
return OutContext.GetOrCreateSymbol(Name.str());
}
/// GetCPISymbol - Return the symbol for the specified constant pool entry.
MCSymbol *AsmPrinter::GetCPISymbol(unsigned CPID) const {
SmallString<60> Name;
@ -1555,7 +1548,7 @@ void AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock *MBB) const {
PrintBasicBlockLoopComments(*MBB, LI, *this);
}
OutStreamer.EmitLabel(GetMBBSymbol(MBB->getNumber()));
OutStreamer.EmitLabel(MBB->getSymbol(OutContext));
}
}
@ -1568,7 +1561,7 @@ void AsmPrinter::printPICJumpTableSetLabel(unsigned uid,
O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix()
<< *GetJTSetSymbol(uid, MBB->getNumber()) << ','
<< *GetMBBSymbol(MBB->getNumber()) << '-' << *GetJTISymbol(uid) << '\n';
<< *MBB->getSymbol(OutContext) << '-' << *GetJTISymbol(uid) << '\n';
}
void AsmPrinter::printVisibility(MCSymbol *Sym, unsigned Visibility) const {

17
lib/CodeGen/MachineBasicBlock.cpp
View File

@ -14,15 +14,18 @@
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/BasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetInstrDesc.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/LeakDetector.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Assembly/Writer.h"
#include <algorithm>
using namespace llvm;
@ -36,6 +39,18 @@ MachineBasicBlock::~MachineBasicBlock() {
LeakDetector::removeGarbageObject(this);
}
/// getSymbol - Return the MCSymbol for this basic block.
///
MCSymbol *MachineBasicBlock::getSymbol(MCContext &Ctx) const {
SmallString<60> Name;
const MachineFunction *MF = getParent();
raw_svector_ostream(Name)
<< MF->getTarget().getMCAsmInfo()->getPrivateGlobalPrefix() << "BB"
<< MF->getFunctionNumber() << '_' << getNumber();
return Ctx.GetOrCreateSymbol(Name.str());
}
raw_ostream &llvm::operator<<(raw_ostream &OS, const MachineBasicBlock &MBB) {
MBB.print(OS);
return OS;

12
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
View File

@ -369,7 +369,7 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
break;
}
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_GlobalAddress: {
bool isCallOp = Modifier && !strcmp(Modifier, "call");
@ -948,16 +948,16 @@ void ARMAsmPrinter::printJTBlockOperand(const MachineInstr *MI, int OpNum) {
if (UseSet && isNew) {
O << MAI->getSetDirective() << ' '
<< *GetARMSetPICJumpTableLabel2(JTI, MO2.getImm(), MBB) << ','
<< *GetMBBSymbol(MBB->getNumber()) << '-' << *JTISymbol << '\n';
<< *MBB->getSymbol(OutContext) << '-' << *JTISymbol << '\n';
}
O << JTEntryDirective << ' ';
if (UseSet)
O << *GetARMSetPICJumpTableLabel2(JTI, MO2.getImm(), MBB);
else if (TM.getRelocationModel() == Reloc::PIC_)
O << *GetMBBSymbol(MBB->getNumber()) << '-' << *JTISymbol;
O << *MBB->getSymbol(OutContext) << '-' << *JTISymbol;
else
O << *GetMBBSymbol(MBB->getNumber());
O << *MBB->getSymbol(OutContext);
if (i != e-1)
O << '\n';
@ -989,9 +989,9 @@ void ARMAsmPrinter::printJT2BlockOperand(const MachineInstr *MI, int OpNum) {
O << MAI->getData16bitsDirective();
if (ByteOffset || HalfWordOffset)
O << '(' << *GetMBBSymbol(MBB->getNumber()) << "-" << *JTISymbol << ")/2";
O << '(' << *MBB->getSymbol(OutContext) << "-" << *JTISymbol << ")/2";
else
O << "\tb.w " << *GetMBBSymbol(MBB->getNumber());
O << "\tb.w " << *MBB->getSymbol(OutContext);
if (i != e-1)
O << '\n';

2
lib/Target/ARM/AsmPrinter/ARMMCInstLower.cpp
View File

@ -135,7 +135,7 @@ void ARMMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
break;
case MachineOperand::MO_MachineBasicBlock:
MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
Printer.GetMBBSymbol(MO.getMBB()->getNumber()), Ctx));
MO.getMBB()->getSymbol(Ctx), Ctx));
break;
case MachineOperand::MO_GlobalAddress:
MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));

2
lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
View File

@ -93,7 +93,7 @@ void AlphaAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
return;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_ConstantPoolIndex:

2
lib/Target/Blackfin/AsmPrinter/BlackfinAsmPrinter.cpp
View File

@ -152,7 +152,7 @@ void BlackfinAsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
O << MO.getImm();
break;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_GlobalAddress:
O << *GetGlobalValueSymbol(MO.getGlobal());

2
lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
View File

@ -312,7 +312,7 @@ void SPUAsmPrinter::printOp(const MachineOperand &MO) {
return;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_JumpTableIndex:
O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()

2
lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
View File

@ -173,7 +173,7 @@ void MSP430AsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
O << MO.getImm();
return;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_GlobalAddress: {
bool isMemOp = Modifier && !strcmp(Modifier, "mem");

2
lib/Target/MSP430/AsmPrinter/MSP430MCInstLower.cpp
View File

@ -116,7 +116,7 @@ void MSP430MCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
break;
case MachineOperand::MO_MachineBasicBlock:
MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
Printer.GetMBBSymbol(MO.getMBB()->getNumber()), Ctx));
MO.getMBB()->getSymbol(Printer.OutContext), Ctx));
break;
case MachineOperand::MO_GlobalAddress:
MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));

2
lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
View File

@ -341,7 +341,7 @@ void MipsAsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
break;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_GlobalAddress:

2
lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.cpp
View File

@ -209,7 +209,7 @@ void PIC16AsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
break;
}
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
default:

2
lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
View File

@ -382,7 +382,7 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
llvm_unreachable("printOp() does not handle immediate values");
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_JumpTableIndex:
O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()

2
lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
View File

@ -191,7 +191,7 @@ void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
O << (int)MO.getImm();
break;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_GlobalAddress:
O << *GetGlobalValueSymbol(MO.getGlobal());

4
lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
View File

@ -166,7 +166,7 @@ void SystemZAsmPrinter::printPCRelImmOperand(const MachineInstr *MI, int OpNum){
O << MO.getImm();
return;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_GlobalAddress: {
const GlobalValue *GV = MO.getGlobal();
@ -221,7 +221,7 @@ void SystemZAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
O << MO.getImm();
return;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_JumpTableIndex:
O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() << '_'

8
lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
View File

@ -340,7 +340,7 @@ void X86AsmPrinter::print_pcrel_imm(const MachineInstr *MI, unsigned OpNo) {
O << MO.getImm();
return;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_GlobalAddress:
case MachineOperand::MO_ExternalSymbol:
@ -465,7 +465,7 @@ void X86AsmPrinter::printPICJumpTableSetLabel(unsigned uid,
O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
O << *GetMBBSymbol(MBB->getNumber());
O << *MBB->getSymbol(OutContext);
if (Subtarget->isPICStyleRIPRel())
O << '-' << *GetJTISymbol(uid) << '\n';
@ -495,9 +495,9 @@ void X86AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
if (Subtarget->isPICStyleRIPRel() || Subtarget->isPICStyleStubPIC()) {
O << *GetJTSetSymbol(uid, MBB->getNumber());
} else if (Subtarget->isPICStyleGOT())
O << *GetMBBSymbol(MBB->getNumber()) << "@GOTOFF";
O << *MBB->getSymbol(OutContext) << "@GOTOFF";
else // mdynamic-no-pic
O << *GetMBBSymbol(MBB->getNumber());
O << *MBB->getSymbol(OutContext);
O << '\n';
}

2
lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
View File

@ -323,7 +323,7 @@ void X86MCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
break;
case MachineOperand::MO_MachineBasicBlock:
MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
AsmPrinter.GetMBBSymbol(MO.getMBB()->getNumber()), Ctx));
MO.getMBB()->getSymbol(Ctx), Ctx));
break;
case MachineOperand::MO_GlobalAddress:
MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));

2
lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp
View File

@ -297,7 +297,7 @@ void XCoreAsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
O << MO.getImm();
break;
case MachineOperand::MO_MachineBasicBlock:
O << *GetMBBSymbol(MO.getMBB()->getNumber());
O << *MO.getMBB()->getSymbol(OutContext);
break;
case MachineOperand::MO_GlobalAddress:
O << *GetGlobalValueSymbol(MO.getGlobal());