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clean-up; NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271807 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2016-06-04 21:20:44 +00:00
parent 4a233e32d5
commit b06c2a49dd
1 changed files with 3 additions and 4 deletions
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7
lib/Transforms/InstCombine/InstCombineCompares.cpp
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@ -2439,15 +2439,14 @@ Instruction *InstCombiner::visitICmpInstWithCastAndCast(ICmpInst &ICI) {
}
// If we aren't dealing with a constant on the RHS, exit early.
ConstantInt *CI = dyn_cast<ConstantInt>(ICI.getOperand(1));
auto *CI = dyn_cast<ConstantInt>(ICI.getOperand(1));
if (!CI)
return nullptr;
// Compute the constant that would happen if we truncated to SrcTy then
// reextended to DestTy.
// re-extended to DestTy.
Constant *Res1 = ConstantExpr::getTrunc(CI, SrcTy);
Constant *Res2 = ConstantExpr::getCast(LHSCI->getOpcode(),
Res1, DestTy);
Constant *Res2 = ConstantExpr::getCast(LHSCI->getOpcode(), Res1, DestTy);
// If the re-extended constant didn't change...
if (Res2 == CI) {