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Detect problems with PHI node operands!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9916 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-11-12 07:13:37 +00:00
parent 6a45da0de6
commit 579de71d08
1 changed files with 6 additions and 0 deletions
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6
lib/VMCore/Verifier.cpp
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@ -340,6 +340,12 @@ void Verifier::visitPHINode(PHINode &PN) {
"PHI nodes not grouped at top of basic block!",
&PN, PN.getParent());
// Check that all of the operands of the PHI node have the same type as the
// result.
for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i)
Assert1(PN.getType() == PN.getIncomingValue(i)->getType(),
"PHI node operands are not the same type as the result!", &PN);
// All other PHI node constraints are checked in the visitBasicBlock method.
visitInstruction(PN);