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| author | Chris Lattner <sabre@nondot.org> | 2009-01-20 01:15:41 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-01-20 01:15:41 +0000 |
| commit | 63bf29b5b1c741038d6d502d62721cac0d2760b4 (patch) | |
| tree | ab667f7f63e56198396cd700bd7a440622b7059e /lib/Transforms/Utils/SimplifyCFG.cpp | |
| parent | 8289b05c4cc9c41f5c6c2e3807399551f2934fa9 (diff) | |
another fix for PR3354
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62561 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | lib/Transforms/Utils/SimplifyCFG.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp index 1a4f57320f..d891eebf33 100644 --- a/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/lib/Transforms/Utils/SimplifyCFG.cpp @@ -1559,6 +1559,11 @@ static bool SimplifyCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI) { // fold the conditions into logical ops and one cond br. if (&BB->front() != BI) return false; + + + if (ConstantExpr *CE = dyn_cast<ConstantExpr>(BI->getCondition())) + if (CE->canTrap()) + return false; int PBIOp, BIOp; if (PBI->getSuccessor(0) == BI->getSuccessor(0)) |