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Fix check. PHI nodes must be handled specially, of course.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10842 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-01-14 05:42:52 +00:00
parent 30768ac3c2
commit c9b0702a89
1 changed files with 5 additions and 4 deletions
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9
lib/VMCore/Verifier.cpp
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@ -507,14 +507,15 @@ void Verifier::visitInstruction(Instruction &I) {
else if (Instruction *Op = dyn_cast<Instruction>(I.getOperand(i))) {
BasicBlock *OpBlock = Op->getParent();
// Invoke results are only usable in the normal destination, not in the
// exceptional destination.
if (InvokeInst *II = dyn_cast<InvokeInst>(Op))
OpBlock = II->getNormalDest();
// Check that a definition dominates all of its uses.
//
if (!isa<PHINode>(I)) {
// Invoke results are only usable in the normal destination, not in the
// exceptional destination.
if (InvokeInst *II = dyn_cast<InvokeInst>(Op))
OpBlock = II->getNormalDest();
// Definition must dominate use unless use is unreachable!
Assert2(DS->dominates(OpBlock, BB) ||
!DS->dominates(&BB->getParent()->getEntryBlock(), BB),