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Invoke instructions do not dominate all successors 

llvm-svn: 22671
This commit is contained in:
Chris Lattner 2005-08-05 01:03:27 +00:00
parent 6f58350daf
commit 37774affb1
1 changed files with 2 additions and 1 deletions
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3
llvm/lib/VMCore/Instructions.cpp
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@ -167,7 +167,8 @@ Value *PHINode::hasConstantValue(bool AllowNonDominatingInstruction) const {
if (HasUndefInput && !AllowNonDominatingInstruction)
if (Instruction *IV = dyn_cast<Instruction>(InVal))
// If it's in the entry block, it dominates everything.
if (IV->getParent() != &IV->getParent()->getParent()->front())
if (IV->getParent() != &IV->getParent()->getParent()->front() ||
isa<InvokeInst>(IV))
return 0; // Cannot guarantee that InVal dominates this PHINode.
// All of the incoming values are the same, return the value now.