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adjust to constant folding api changes. 

llvm-svn: 33673
This commit is contained in:
Chris Lattner 2007-01-30 23:15:43 +00:00
parent 0d74d3c09b
commit 8dbea5454d
2 changed files with 8 additions and 7 deletions
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11
llvm/lib/Analysis/ConstantFolding.cpp
View File

@ -85,23 +85,24 @@ llvm::canConstantFoldCallTo(Function *F) {
}
}
Constant *
llvm::ConstantFoldFP(double (*NativeFP)(double), double V, const Type *Ty) {
static Constant *ConstantFoldFP(double (*NativeFP)(double), double V,
const Type *Ty) {
errno = 0;
V = NativeFP(V);
if (errno == 0)
return ConstantFP::get(Ty, V);
errno = 0;
return 0;
}
/// ConstantFoldCall - Attempt to constant fold a call to the specified function
/// with the specified arguments, returning null if unsuccessful.
Constant *
llvm::ConstantFoldCall(Function *F, const std::vector<Constant*> &Operands) {
llvm::ConstantFoldCall(Function *F, Constant** Operands, unsigned NumOperands) {
const std::string &Name = F->getName();
const Type *Ty = F->getReturnType();
if (Operands.size() == 1) {
if (NumOperands == 1) {
if (ConstantFP *Op = dyn_cast<ConstantFP>(Operands[0])) {
double V = Op->getValue();
switch (Name[0])
@ -172,7 +173,7 @@ llvm::ConstantFoldCall(Function *F, const std::vector<Constant*> &Operands) {
else if (Name == "llvm.bswap.i64")
return ConstantInt::get(Ty, ByteSwap_64(V));
}
} else if (Operands.size() == 2) {
} else if (NumOperands == 2) {
if (ConstantFP *Op1 = dyn_cast<ConstantFP>(Operands[0])) {
double Op1V = Op1->getValue();
if (ConstantFP *Op2 = dyn_cast<ConstantFP>(Operands[1])) {

4
llvm/lib/Analysis/ScalarEvolution.cpp
View File

@ -1761,8 +1761,8 @@ static Constant *ConstantFold(const Instruction *I,
return ConstantExpr::getSelect(Operands[0], Operands[1], Operands[2]);
case Instruction::Call:
if (Function *GV = dyn_cast<Function>(Operands[0])) {
Operands.erase(Operands.begin());
return ConstantFoldCall(cast<Function>(GV), Operands);
return ConstantFoldCall(cast<Function>(GV), &Operands[1],
Operands.size()-1);
}
return 0;
case Instruction::GetElementPtr: {