diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstructionCombining.cpp')
-rw-r--r-- | lib/Transforms/InstCombine/InstructionCombining.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Transforms/InstCombine/InstructionCombining.cpp b/lib/Transforms/InstCombine/InstructionCombining.cpp index 269ea1516f..07793ac6b5 100644 --- a/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -1169,7 +1169,14 @@ Instruction *InstCombiner::visitMalloc(Instruction &MI) { } if (InvokeInst *II = dyn_cast<InvokeInst>(&MI)) { - BranchInst::Create(II->getNormalDest(), II->getParent()); + // Replace invoke with a NOOP intrinsic to maintain the original CFG + Module *M = II->getParent()->getParent()->getParent(); + IntegerType *Ty = IntegerType::get(II->getContext(), 8); + ConstantInt *CI = ConstantInt::get(Ty, 0); + Value *Args[] = {CI, CI}; + Function *F = Intrinsic::getDeclaration(M, Intrinsic::expect, Ty); + InvokeInst::Create(F, II->getNormalDest(), II->getUnwindDest(), Args, + "dummy", II->getParent()); } return EraseInstFromFunction(MI); } |