From d9aa80038f630d72883ebe5b524e372a44e6695c Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Thu, 6 Jan 2011 23:45:22 +0000 Subject: Fix the other problem reported in PR8582. Testcase and patch by Nadav Rotem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122983 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeTypes.cpp | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'lib/CodeGen/SelectionDAG/LegalizeTypes.cpp') diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp index 8849ced684..0320e81977 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp @@ -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. } -- cgit v1.2.3-18-g5258