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Fix the other problem reported in PR8582. Testcase and patch by

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Nadav Rotem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122983 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2011-01-06 23:45:22 +00:00
parent 1f2b00c710
commit d9aa80038f
2 changed files with 24 additions and 0 deletions
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5
lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
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@@ -714,6 +714,11 @@ void DAGTypeLegalizer::ReplaceValueWith(SDValue From, SDValue To) {
if (M->getNodeId() == Processed)
RemapValue(NewVal);
DAG.ReplaceAllUsesOfValueWith(OldVal, NewVal, &NUL);
// OldVal may be a target of the ReplacedValues map which was marked
// NewNode to force reanalysis because it was updated. Ensure that
// anything that ReplacedValues mapped to OldVal will now be mapped
// all the way to NewVal.
ReplacedValues[OldVal] = NewVal;
}
// The original node continues to exist in the DAG, marked NewNode.
}