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Switch more inst insertion in instcombine to IRBuilder.

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llvm-svn: 131544
This commit is contained in:
Eli Friedman 2011-05-18 17:58:37 +00:00
parent 7472bb0a7e
commit 501239ebda
1 changed files with 6 additions and 13 deletions
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19
lib/Transforms/InstCombine/InstCombineSelect.cpp
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@ -751,27 +751,20 @@ Instruction *InstCombiner::visitSelectInst(SelectInst &SI) {
// So at this point we know we have (Y -> OtherAddOp):
// select C, (add X, Y), (sub X, Z)
Value *NegVal; // Compute -Z
if (Constant *C = dyn_cast<Constant>(SubOp->getOperand(1))) {
NegVal = ConstantExpr::getNeg(C);
} else if (SI.getType()->isFloatingPointTy()) {
NegVal = InsertNewInstBefore(
BinaryOperator::CreateFNeg(SubOp->getOperand(1),
"tmp"), SI);
if (SI.getType()->isFloatingPointTy()) {
NegVal = Builder->CreateFNeg(SubOp->getOperand(1));
} else {
NegVal = InsertNewInstBefore(
BinaryOperator::CreateNeg(SubOp->getOperand(1),
"tmp"), SI);
NegVal = Builder->CreateNeg(SubOp->getOperand(1));
}
Value *NewTrueOp = OtherAddOp;
Value *NewFalseOp = NegVal;
if (AddOp != TI)
std::swap(NewTrueOp, NewFalseOp);
Instruction *NewSel =
SelectInst::Create(CondVal, NewTrueOp,
NewFalseOp, SI.getName() + ".p");
Value *NewSel =
Builder->CreateSelect(CondVal, NewTrueOp,
NewFalseOp, SI.getName() + ".p");
NewSel = InsertNewInstBefore(NewSel, SI);
if (SI.getType()->isFloatingPointTy())
return BinaryOperator::CreateFAdd(SubOp->getOperand(0), NewSel);
else