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| author | Chris Lattner <sabre@nondot.org> | 2004-10-18 01:48:31 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-10-18 01:48:31 +0000 |
| commit | 77bcee74da8f868c4fc83fda57f35fb72052079f (patch) | |
| tree | 1b16183ea732d5610ce341fdd0acf2b0bea54bfa | |
| parent | 28e792c2323a878e6a4661f043f10affc804cca2 (diff) | |
| download | external_llvm-77bcee74da8f868c4fc83fda57f35fb72052079f.zip external_llvm-77bcee74da8f868c4fc83fda57f35fb72052079f.tar.gz external_llvm-77bcee74da8f868c4fc83fda57f35fb72052079f.tar.bz2 | |
My friend the invoke instruction does not dominate all basic blocks if it
occurs in the entry node of a function
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17109 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index e3c45d4..f8373cb 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -3386,7 +3386,8 @@ Instruction *InstCombiner::visitPHINode(PHINode &PN) { if (Instruction *I = dyn_cast<Instruction>(V)) { // We know that the instruction dominates the PHI if there are no undef // values coming in. - if (I->getParent() != &I->getParent()->getParent()->front()) + if (I->getParent() != &I->getParent()->getParent()->front() || + isa<InvokeInst>(I)) for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) if (isa<UndefValue>(PN.getIncomingValue(i))) { V = 0; |