From 55a105160dc02a0d990a69820cfe63fef504195e Mon Sep 17 00:00:00 2001 From: Akira Hatanaka Date: Sat, 2 Jun 2012 01:10:34 +0000 Subject: 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157873 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp') diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 7ba7442..c2972b0 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/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() && -- cgit v1.1