diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -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 25baf1bf640..ec2c1af97ea 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -3424,6 +3424,11 @@ static bool removeEmptyCleanup(CleanupReturnInst *RI) { // This isn't an empty cleanup. return false; + // We cannot kill the pad if it has multiple uses. This typically arises + // from unreachable basic blocks. + if (!CPInst->hasOneUse()) + return false; + // Check that there are no other instructions except for benign intrinsics. BasicBlock::iterator I = CPInst->getIterator(), E = RI->getIterator(); while (++I != E) { |
