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| author | Stuart Hastings <stuart@apple.com> | 2011-05-10 21:20:03 +0000 |
|---|---|---|
| committer | Stuart Hastings <stuart@apple.com> | 2011-05-10 21:20:03 +0000 |
| commit | d673057c968ee6da2fc9084a26cbd1a500002d2b (patch) | |
| tree | 537283032432093f270ea2ec168b53ebcba99a7d /lib | |
| parent | 6253c7ca60e3e5c9b10743721b921aa34307d625 (diff) | |
| download | external_llvm-d673057c968ee6da2fc9084a26cbd1a500002d2b.zip external_llvm-d673057c968ee6da2fc9084a26cbd1a500002d2b.tar.gz external_llvm-d673057c968ee6da2fc9084a26cbd1a500002d2b.tar.bz2 | |
Correctly walk through nested and adjacent CALLSEQ_START nodes. No
test case; I've only seen this on a release branch, and I can't get it
to reproduce on trunk. rdar://problem/7662569
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131152 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 2b6c56e..e2e6691 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -324,6 +324,7 @@ static SDNode *FindCallStartFromCallEnd(SDNode *Node) { case ISD::CALLSEQ_START: if (!nested) return Node; + Node = Node->getOperand(0).getNode(); nested--; break; case ISD::CALLSEQ_END: @@ -331,7 +332,7 @@ static SDNode *FindCallStartFromCallEnd(SDNode *Node) { break; } } - return 0; + return (Node->getOpcode() == ISD::CALLSEQ_START) ? Node : 0; } /// LegalizeAllNodesNotLeadingTo - Recursively walk the uses of N, looking to |