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PR1164:

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Generate local names with a "llvm_cbe_" prefix using the actual name of the
variable instead of a temporary name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34540 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2007-02-23 22:45:08 +00:00
parent d675b8347d
commit 145aad04db
2 changed files with 53 additions and 23 deletions
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74
lib/Target/CBackend/CBackend.cpp
View File

@ -239,7 +239,7 @@ namespace {
}
void outputLValue(Instruction *I) {
Out << " " << Mang->getValueName(I) << " = ";
Out << " " << GetValueName(I) << " = ";
}
bool isGotoCodeNecessary(BasicBlock *From, BasicBlock *To);
@ -249,6 +249,8 @@ namespace {
unsigned Indent);
void printIndexingExpression(Value *Ptr, gep_type_iterator I,
gep_type_iterator E);
std::string GetValueName(const Value *Operand);
};
}
@ -1080,6 +1082,34 @@ void CWriter::printConstantWithCast(Constant* CPV, unsigned Opcode) {
printConstant(CPV);
}
std::string CWriter::GetValueName(const Value *Operand) {
std::string Name;
if (!isa<GlobalValue>(Operand) && Operand->getName() != "") {
std::string VarName;
Name = Operand->getName();
VarName.reserve(Name.capacity());
for (std::string::iterator I = Name.begin(), E = Name.end();
I != E; ++I) {
char ch = *I;
if (!((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
(ch >= '0' && ch <= '9') || ch == '_'))
VarName += '_';
else
VarName += ch;
}
Name = "llvm_cbe_" + VarName;
} else {
Name = Mang->getValueName(Operand);
}
return Name;
}
void CWriter::writeOperandInternal(Value *Operand) {
if (Instruction *I = dyn_cast<Instruction>(Operand))
if (isInlinableInst(*I) && !isDirectAlloca(I)) {
@ -1091,11 +1121,11 @@ void CWriter::writeOperandInternal(Value *Operand) {
}
Constant* CPV = dyn_cast<Constant>(Operand);
if (CPV && !isa<GlobalValue>(CPV)) {
if (CPV && !isa<GlobalValue>(CPV))
printConstant(CPV);
} else {
Out << Mang->getValueName(Operand);
}
else
Out << GetValueName(Operand);
}
void CWriter::writeOperandRaw(Value *Operand) {
@ -1103,7 +1133,7 @@ void CWriter::writeOperandRaw(Value *Operand) {
if (CPV && !isa<GlobalValue>(CPV)) {
printConstant(CPV);
} else {
Out << Mang->getValueName(Operand);
Out << GetValueName(Operand);
}
}
@ -1472,17 +1502,17 @@ bool CWriter::doInitialization(Module &M) {
if (I->hasExternalLinkage()) {
Out << "extern ";
printType(Out, I->getType()->getElementType(), false,
Mang->getValueName(I));
GetValueName(I));
Out << ";\n";
} else if (I->hasDLLImportLinkage()) {
Out << "__declspec(dllimport) ";
printType(Out, I->getType()->getElementType(), false,
Mang->getValueName(I));
GetValueName(I));
Out << ";\n";
} else if (I->hasExternalWeakLinkage()) {
Out << "extern ";
printType(Out, I->getType()->getElementType(), false,
Mang->getValueName(I));
GetValueName(I));
Out << " __EXTERNAL_WEAK__ ;\n";
}
}
@ -1533,7 +1563,7 @@ bool CWriter::doInitialization(Module &M) {
else
Out << "extern ";
printType(Out, I->getType()->getElementType(), false,
Mang->getValueName(I));
GetValueName(I));
if (I->hasLinkOnceLinkage())
Out << " __attribute__((common))";
@ -1565,7 +1595,7 @@ bool CWriter::doInitialization(Module &M) {
Out << "__declspec(dllexport) ";
printType(Out, I->getType()->getElementType(), false,
Mang->getValueName(I));
GetValueName(I));
if (I->hasLinkOnceLinkage())
Out << " __attribute__((common))";
else if (I->hasWeakLinkage())
@ -1772,7 +1802,7 @@ void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
std::stringstream FunctionInnards;
// Print out the name...
FunctionInnards << Mang->getValueName(F) << '(';
FunctionInnards << GetValueName(F) << '(';
bool PrintedArg = false;
if (!F->isDeclaration()) {
@ -1791,7 +1821,7 @@ void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
for (; I != E; ++I) {
if (PrintedArg) FunctionInnards << ", ";
if (I->hasName() || !Prototype)
ArgName = Mang->getValueName(I);
ArgName = GetValueName(I);
else
ArgName = "";
printType(FunctionInnards, I->getType(),
@ -1874,7 +1904,7 @@ void CWriter::printFunction(Function &F) {
Out << " ";
printType(Out, F.arg_begin()->getType(), false,
Mang->getValueName(F.arg_begin()));
GetValueName(F.arg_begin()));
Out << " = &StructReturn;\n";
}
@ -1884,18 +1914,18 @@ void CWriter::printFunction(Function &F) {
for (inst_iterator I = inst_begin(&F), E = inst_end(&F); I != E; ++I) {
if (const AllocaInst *AI = isDirectAlloca(&*I)) {
Out << " ";
printType(Out, AI->getAllocatedType(), false, Mang->getValueName(AI));
printType(Out, AI->getAllocatedType(), false, GetValueName(AI));
Out << "; /* Address-exposed local */\n";
PrintedVar = true;
} else if (I->getType() != Type::VoidTy && !isInlinableInst(*I)) {
Out << " ";
printType(Out, I->getType(), false, Mang->getValueName(&*I));
printType(Out, I->getType(), false, GetValueName(&*I));
Out << ";\n";
if (isa<PHINode>(*I)) { // Print out PHI node temporaries as well...
Out << " ";
printType(Out, I->getType(), false,
Mang->getValueName(&*I)+"__PHI_TEMPORARY");
GetValueName(&*I)+"__PHI_TEMPORARY");
Out << ";\n";
}
PrintedVar = true;
@ -1904,7 +1934,7 @@ void CWriter::printFunction(Function &F) {
// of a union to do the BitCast. This is separate from the need for a
// variable to hold the result of the BitCast.
if (isFPIntBitCast(*I)) {
Out << " llvmBitCastUnion " << Mang->getValueName(&*I)
Out << " llvmBitCastUnion " << GetValueName(&*I)
<< "__BITCAST_TEMPORARY;\n";
PrintedVar = true;
}
@ -1958,7 +1988,7 @@ void CWriter::printBasicBlock(BasicBlock *BB) {
break;
}
if (NeedsLabel) Out << Mang->getValueName(BB) << ":\n";
if (NeedsLabel) Out << GetValueName(BB) << ":\n";
// Output all of the instructions in the basic block...
for (BasicBlock::iterator II = BB->begin(), E = --BB->end(); II != E;
@ -2054,7 +2084,7 @@ void CWriter::printPHICopiesForSuccessor (BasicBlock *CurBlock,
Value *IV = PN->getIncomingValueForBlock(CurBlock);
if (!isa<UndefValue>(IV)) {
Out << std::string(Indent, ' ');
Out << " " << Mang->getValueName(I) << "__PHI_TEMPORARY = ";
Out << " " << GetValueName(I) << "__PHI_TEMPORARY = ";
writeOperand(IV);
Out << "; /* for PHI node */\n";
}
@ -2281,10 +2311,10 @@ void CWriter::visitCastInst(CastInst &I) {
Out << '(';
if (isFPIntBitCast(I)) {
// These int<->float and long<->double casts need to be handled specially
Out << Mang->getValueName(&I) << "__BITCAST_TEMPORARY."
Out << GetValueName(&I) << "__BITCAST_TEMPORARY."
<< getFloatBitCastField(I.getOperand(0)->getType()) << " = ";
writeOperand(I.getOperand(0));
Out << ", " << Mang->getValueName(&I) << "__BITCAST_TEMPORARY."
Out << ", " << GetValueName(&I) << "__BITCAST_TEMPORARY."
<< getFloatBitCastField(I.getType());
} else {
printCast(I.getOpcode(), SrcTy, DstTy);

2
test/CodeGen/CBackend/2007-01-08-ParamAttr-ICmp.ll
View File

@ -1,6 +1,6 @@
; For PR1099
; RUN: llvm-as < %s | llc -march=c | \
; RUN: grep 'return ((((ltmp_2_2 == ltmp_1_2)) ? (1) : (0)))'
; RUN: grep 'return ((((llvm_cbe_tmp2 == llvm_cbe_b_0_0_val)) ? (1) : (0)))'
target datalayout = "e-p:32:32"
target triple = "i686-apple-darwin8"