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authorPete Cooper <peter_cooper@apple.com>2012-02-15 00:33:37 +0000
committerPete Cooper <peter_cooper@apple.com>2012-02-15 00:33:37 +0000
commit9989a63818581bcfeed730e42055af425fdf9353 (patch)
treea146f356fdf42cba840a8126cb042ab03bd8eaac /lib/Target
parent92fd01736484262fef049b7358366d8eab2f857e (diff)
downloadexternal_llvm-9989a63818581bcfeed730e42055af425fdf9353.zip
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Stop custom lowering forr x86 DEC64m from happening if the load in the lowered sequence has more than 1 user
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150537 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
-rw-r--r--lib/Target/X86/X86ISelDAGToDAG.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 709be5f..16f9c46 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -2379,6 +2379,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
StoredVal->getOpcode() != X86ISD::DEC ||
StoredVal.getResNo() != 0 ||
!StoredVal.getNode()->hasNUsesOfValue(1, 0) ||
+ !Chain.getNode()->hasNUsesOfValue(1, 0) ||
StoredVal->getOperand(0).getNode() != Chain.getNode())
break;