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| author | Chris Lattner <sabre@nondot.org> | 2010-03-28 04:54:33 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-03-28 04:54:33 +0000 |
| commit | 7aed1fb69d33ffc7b9da09b84deedb19d5fcd41a (patch) | |
| tree | 3a167fe3f292ab43a84c1388fee3d93a22867dde | |
| parent | d5cb1ddb2cf4347f8415149702fdadaa5a638c31 (diff) | |
| download | bcm5719-llvm-7aed1fb69d33ffc7b9da09b84deedb19d5fcd41a.tar.gz bcm5719-llvm-7aed1fb69d33ffc7b9da09b84deedb19d5fcd41a.zip | |
don't add flag nodes with chain results to the NowDeadNodes
list multiple times when MorphNodeTo can't be applied.
llvm-svn: 99735
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 6c22262d8c5..600557eddfd 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -1614,8 +1614,9 @@ UpdateChainsAndFlags(SDNode *NodeToMatch, SDValue InputChain, CurDAG->ReplaceAllUsesOfValueWith(SDValue(FRN, FRN->getNumValues()-1), InputFlag, &ISU); - // If the node became dead, delete it. - if (FRN->use_empty()) + // If the node became dead and we haven't already seen it, delete it. + if (FRN->use_empty() && + !std::count(NowDeadNodes.begin(), NowDeadNodes.end(), FRN)) NowDeadNodes.push_back(FRN); } } |
