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My friend the invoke instruction does not dominate all basic blocks if it

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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
This commit is contained in:
Chris Lattner 2004-10-18 01:48:31 +00:00
parent 28e792c232
commit 77bcee74da
1 changed files with 2 additions and 1 deletions
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3
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -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;