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CodeGenPrepare: Don't crash when TLI is not available.

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This happens when codegenprepare is invoked via opt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159457 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2012-06-29 19:58:21 +00:00
parent 54d69668b2
commit 6c50551e9a
1 changed files with 2 additions and 1 deletions
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3
lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -1133,7 +1133,8 @@ static bool isFormingBranchFromSelectProfitable(SelectInst *SI) {
bool CodeGenPrepare::OptimizeSelectInst(SelectInst *SI) {
// If we have a SelectInst that will likely profit from branch prediction,
// turn it into a branch.
if (DisableSelectToBranch || OptSize || !TLI->isPredictableSelectExpensive())
if (DisableSelectToBranch || OptSize || !TLI ||
!TLI->isPredictableSelectExpensive())
return false;
if (!SI->getCondition()->getType()->isIntegerTy(1) ||