InstCombine: Just a small tidy-up

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225328 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer 2015-01-07 00:39:42 +00:00
parent 6b7f3f4b20
commit c8c560867f

View File

@ -441,11 +441,10 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
case Intrinsic::umul_with_overflow: {
Value *LHS = II->getArgOperand(0), *RHS = II->getArgOperand(1);
OverflowResult OR = computeOverflowForUnsignedMul(LHS, RHS, II);
if (OR == OverflowResult::NeverOverflows) {
if (OR == OverflowResult::NeverOverflows)
return CreateOverflowTuple(II, Builder->CreateNUWMul(LHS, RHS), false);
} else if (OR == OverflowResult::AlwaysOverflows) {
if (OR == OverflowResult::AlwaysOverflows)
return CreateOverflowTuple(II, Builder->CreateMul(LHS, RHS), true);
}
} // FALL THROUGH
case Intrinsic::smul_with_overflow:
// Canonicalize constants into the RHS.