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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 | c59945b4bdfd8887bf9efb1a69171084910acf14 (patch) | |
| tree | 415569f7fdd96ff8b66fcbbab8d6b7256ec34367 /llvm/lib | |
| parent | 83d2e066c12d2ff42f07c90a4cf5495d2669a28a (diff) | |
| download | bcm5719-llvm-c59945b4bdfd8887bf9efb1a69171084910acf14.tar.gz bcm5719-llvm-c59945b4bdfd8887bf9efb1a69171084910acf14.zip | |
another fix for PR3354
llvm-svn: 62561
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index 1a4f57320f7..d891eebf33c 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/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)) |
