Fix crasher when N->getElement(n) is NULL
llvm-svn: 90572
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@ -698,7 +698,7 @@ void SlotTracker::processFunction() {
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if (MDNode *N = dyn_cast_or_null<MDNode>(I->getOperand(i))) {
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if (MDNode *N = dyn_cast_or_null<MDNode>(I->getOperand(i))) {
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// Create a metadata slot only if N contains no instructions.
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// Create a metadata slot only if N contains no instructions.
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for (unsigned n = 0, e = N->getNumElements(); n != e; ++n)
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for (unsigned n = 0, e = N->getNumElements(); n != e; ++n)
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if (isa<Instruction>(N->getElement(n)))
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if (N->getElement(n) && isa<Instruction>(N->getElement(n)))
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continue;
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continue;
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CreateMetadataSlot(N);
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CreateMetadataSlot(N);
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}
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}
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