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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-06-02 01:10:34 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-06-02 01:10:34 +0000 |
| commit | 6f3b2a670f8f7b5807bf06a8e6a2574e69f58308 (patch) | |
| tree | 377657f86f4f80c7bf9dbacf03ca3e3cd858e646 /llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | |
| parent | 58268c23ac92781d499cad8427e29087bb9a9176 (diff) | |
| download | bcm5719-llvm-6f3b2a670f8f7b5807bf06a8e6a2574e69f58308.tar.gz bcm5719-llvm-6f3b2a670f8f7b5807bf06a8e6a2574e69f58308.zip | |
Fix a bug in the code which custom-lowers truncating stores in LegalizeDAG.
Check that the SDValue TargetLowering::LowerOperation returns is not null
before replacing the original node with the returned node.
llvm-svn: 157873
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 7ba74425279..c2972b051f7 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1312,8 +1312,9 @@ void SelectionDAGLegalize::LegalizeOp(SDNode *Node) { } break; case TargetLowering::Custom: - ReplaceNode(SDValue(Node, 0), - TLI.LowerOperation(SDValue(Node, 0), DAG)); + Tmp1 = TLI.LowerOperation(SDValue(Node, 0), DAG); + if (Tmp1.getNode()) + ReplaceNode(SDValue(Node, 0), Tmp1); break; case TargetLowering::Expand: assert(!StVT.isVector() && |
