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* Be consistent about MachineBB labels and references to them in instr stream

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* Use MachineBB's built-in numbering system instead of reinventing one


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14408 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2004-06-25 15:42:10 +00:00
parent fa0818711a
commit 2bf183c092
3 changed files with 18 additions and 66 deletions
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28
lib/Target/PowerPC/PPC32AsmPrinter.cpp
View File

@ -55,13 +55,6 @@ namespace {
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm) { }
/// We name each basic block in a Function with a unique number, so
/// that we can consistently refer to them later. This is cleared
/// at the beginning of each call to runOnMachineFunction().
///
typedef std::map<const Value *, unsigned> ValueMapTy;
ValueMapTy NumberForBB;
/// Cache of mangled name for current function. This is
/// recalculated at the beginning of each call to
/// runOnMachineFunction().
@ -297,9 +290,8 @@ void Printer::emitGlobalConstant(const Constant *CV) {
}
}
} else if (CV->getType()->getPrimitiveSize() == 64) {
const ConstantInt *CI = dyn_cast<ConstantInt>(CV);
if(CI) {
union DU { // Abide by C TBAA rules
if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
union DU { // Abide by C TBAA rules
int64_t UVal;
struct {
uint32_t MSWord;
@ -385,19 +377,11 @@ bool Printer::runOnMachineFunction(MachineFunction &MF) {
O << "\t.align 5\n";
O << CurrentFnName << ":\n";
// Number each basic block so that we can consistently refer to them
// in PC-relative references.
NumberForBB.clear();
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
NumberForBB[I->getBasicBlock()] = BBNumber++;
}
// Print out code for the function.
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
O << "L" << NumberForBB[I->getBasicBlock()] << ":\t# "
O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t# "
<< I->getBasicBlock()->getName() << "\n";
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
@ -434,8 +418,8 @@ void Printer::printOp(const MachineOperand &MO,
case MachineOperand::MO_MachineBasicBlock: {
MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
<< "_" << MBBOp->getNumber () << "\t# "
<< MBBOp->getBasicBlock ()->getName ();
<< "_" << MBBOp->getNumber() << "\t# "
<< MBBOp->getBasicBlock()->getName();
return;
}
case MachineOperand::MO_PCRelativeDisp:
@ -525,7 +509,7 @@ void Printer::printMachineInstruction(const MachineInstr *MI) {
if (Opcode == PPC32::MovePCtoLR) {
O << "mflr r0\n";
O << "bcl 20,31,L" << CurrentFnName << "$pb\n";
O << "L" << CurrentFnName << "$pb:\n";
O << "L" << CurrentFnName << "$pb:\n";
return;
}

28
lib/Target/PowerPC/PPCAsmPrinter.cpp
View File

@ -55,13 +55,6 @@ namespace {
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm) { }
/// We name each basic block in a Function with a unique number, so
/// that we can consistently refer to them later. This is cleared
/// at the beginning of each call to runOnMachineFunction().
///
typedef std::map<const Value *, unsigned> ValueMapTy;
ValueMapTy NumberForBB;
/// Cache of mangled name for current function. This is
/// recalculated at the beginning of each call to
/// runOnMachineFunction().
@ -297,9 +290,8 @@ void Printer::emitGlobalConstant(const Constant *CV) {
}
}
} else if (CV->getType()->getPrimitiveSize() == 64) {
const ConstantInt *CI = dyn_cast<ConstantInt>(CV);
if(CI) {
union DU { // Abide by C TBAA rules
if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
union DU { // Abide by C TBAA rules
int64_t UVal;
struct {
uint32_t MSWord;
@ -385,19 +377,11 @@ bool Printer::runOnMachineFunction(MachineFunction &MF) {
O << "\t.align 5\n";
O << CurrentFnName << ":\n";
// Number each basic block so that we can consistently refer to them
// in PC-relative references.
NumberForBB.clear();
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
NumberForBB[I->getBasicBlock()] = BBNumber++;
}
// Print out code for the function.
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
O << "L" << NumberForBB[I->getBasicBlock()] << ":\t# "
O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t# "
<< I->getBasicBlock()->getName() << "\n";
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
@ -434,8 +418,8 @@ void Printer::printOp(const MachineOperand &MO,
case MachineOperand::MO_MachineBasicBlock: {
MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
<< "_" << MBBOp->getNumber () << "\t# "
<< MBBOp->getBasicBlock ()->getName ();
<< "_" << MBBOp->getNumber() << "\t# "
<< MBBOp->getBasicBlock()->getName();
return;
}
case MachineOperand::MO_PCRelativeDisp:
@ -525,7 +509,7 @@ void Printer::printMachineInstruction(const MachineInstr *MI) {
if (Opcode == PPC32::MovePCtoLR) {
O << "mflr r0\n";
O << "bcl 20,31,L" << CurrentFnName << "$pb\n";
O << "L" << CurrentFnName << "$pb:\n";
O << "L" << CurrentFnName << "$pb:\n";
return;
}

28
lib/Target/PowerPC/PowerPCAsmPrinter.cpp
View File

@ -55,13 +55,6 @@ namespace {
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm) { }
/// We name each basic block in a Function with a unique number, so
/// that we can consistently refer to them later. This is cleared
/// at the beginning of each call to runOnMachineFunction().
///
typedef std::map<const Value *, unsigned> ValueMapTy;
ValueMapTy NumberForBB;
/// Cache of mangled name for current function. This is
/// recalculated at the beginning of each call to
/// runOnMachineFunction().
@ -297,9 +290,8 @@ void Printer::emitGlobalConstant(const Constant *CV) {
}
}
} else if (CV->getType()->getPrimitiveSize() == 64) {
const ConstantInt *CI = dyn_cast<ConstantInt>(CV);
if(CI) {
union DU { // Abide by C TBAA rules
if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
union DU { // Abide by C TBAA rules
int64_t UVal;
struct {
uint32_t MSWord;
@ -385,19 +377,11 @@ bool Printer::runOnMachineFunction(MachineFunction &MF) {
O << "\t.align 5\n";
O << CurrentFnName << ":\n";
// Number each basic block so that we can consistently refer to them
// in PC-relative references.
NumberForBB.clear();
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
NumberForBB[I->getBasicBlock()] = BBNumber++;
}
// Print out code for the function.
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
O << "L" << NumberForBB[I->getBasicBlock()] << ":\t# "
O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t# "
<< I->getBasicBlock()->getName() << "\n";
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
@ -434,8 +418,8 @@ void Printer::printOp(const MachineOperand &MO,
case MachineOperand::MO_MachineBasicBlock: {
MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
<< "_" << MBBOp->getNumber () << "\t# "
<< MBBOp->getBasicBlock ()->getName ();
<< "_" << MBBOp->getNumber() << "\t# "
<< MBBOp->getBasicBlock()->getName();
return;
}
case MachineOperand::MO_PCRelativeDisp:
@ -525,7 +509,7 @@ void Printer::printMachineInstruction(const MachineInstr *MI) {
if (Opcode == PPC32::MovePCtoLR) {
O << "mflr r0\n";
O << "bcl 20,31,L" << CurrentFnName << "$pb\n";
O << "L" << CurrentFnName << "$pb:\n";
O << "L" << CurrentFnName << "$pb:\n";
return;
}