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adjust to constant folding api changes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-01-30 23:15:43 +00:00
parent cd2492e6ff
commit 72d88ae544
2 changed files with 8 additions and 7 deletions
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11
lib/Analysis/ConstantFolding.cpp
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@ -85,23 +85,24 @@ llvm::canConstantFoldCallTo(Function *F) {
} }
} }
Constant * static Constant *ConstantFoldFP(double (*NativeFP)(double), double V,
llvm::ConstantFoldFP(double (*NativeFP)(double), double V, const Type *Ty) { const Type *Ty) {
errno = 0; errno = 0;
V = NativeFP(V); V = NativeFP(V);
if (errno == 0) if (errno == 0)
return ConstantFP::get(Ty, V); return ConstantFP::get(Ty, V);
errno = 0;
return 0; return 0;
} }
/// ConstantFoldCall - Attempt to constant fold a call to the specified function /// ConstantFoldCall - Attempt to constant fold a call to the specified function
/// with the specified arguments, returning null if unsuccessful. /// with the specified arguments, returning null if unsuccessful.
Constant * 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 std::string &Name = F->getName();
const Type *Ty = F->getReturnType(); const Type *Ty = F->getReturnType();
if (Operands.size() == 1) { if (NumOperands == 1) {
if (ConstantFP *Op = dyn_cast<ConstantFP>(Operands[0])) { if (ConstantFP *Op = dyn_cast<ConstantFP>(Operands[0])) {
double V = Op->getValue(); double V = Op->getValue();
switch (Name[0]) switch (Name[0])
@ -172,7 +173,7 @@ llvm::ConstantFoldCall(Function *F, const std::vector<Constant*> &Operands) {
else if (Name == "llvm.bswap.i64") else if (Name == "llvm.bswap.i64")
return ConstantInt::get(Ty, ByteSwap_64(V)); return ConstantInt::get(Ty, ByteSwap_64(V));
} }
} else if (Operands.size() == 2) { } else if (NumOperands == 2) {
if (ConstantFP *Op1 = dyn_cast<ConstantFP>(Operands[0])) { if (ConstantFP *Op1 = dyn_cast<ConstantFP>(Operands[0])) {
double Op1V = Op1->getValue(); double Op1V = Op1->getValue();
if (ConstantFP *Op2 = dyn_cast<ConstantFP>(Operands[1])) { if (ConstantFP *Op2 = dyn_cast<ConstantFP>(Operands[1])) {

4
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]); return ConstantExpr::getSelect(Operands[0], Operands[1], Operands[2]);
case Instruction::Call: case Instruction::Call:
if (Function *GV = dyn_cast<Function>(Operands[0])) { if (Function *GV = dyn_cast<Function>(Operands[0])) {
Operands.erase(Operands.begin()); return ConstantFoldCall(cast<Function>(GV), &Operands[1],
return ConstantFoldCall(cast<Function>(GV), Operands); Operands.size()-1);
} }
return 0; return 0;
case Instruction::GetElementPtr: { case Instruction::GetElementPtr: {