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Remove printout, realize that instructions in the entry block dominate all

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other blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17099 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-10-17 21:31:34 +00:00
parent 7e40f63428
commit ca45930548
1 changed files with 6 additions and 6 deletions
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12
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -3386,12 +3386,12 @@ 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.
for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i)
if (isa<UndefValue>(PN.getIncomingValue(i))) {
std::cerr << "HAD TO DISABLE PHI ELIM IN IC!\n";
V = 0;
break;
}
if (I->getParent() != &I->getParent()->getParent()->front())
for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i)
if (isa<UndefValue>(PN.getIncomingValue(i))) {
V = 0;
break;
}
}
if (V)