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| author | Stuart Hastings <stuart@apple.com> | 2010-12-21 17:07:24 +0000 |
|---|---|---|
| committer | Stuart Hastings <stuart@apple.com> | 2010-12-21 17:07:24 +0000 |
| commit | 2965e69e040d86002128b91a439eb9bfc6b83df1 (patch) | |
| tree | 5dee656b84ba53c99f30c8c1b421486953ac2566 /lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | |
| parent | 4d75d80d62f52ce440e6af7821d785ab49f30ea7 (diff) | |
| download | external_llvm-2965e69e040d86002128b91a439eb9bfc6b83df1.zip external_llvm-2965e69e040d86002128b91a439eb9bfc6b83df1.tar.gz external_llvm-2965e69e040d86002128b91a439eb9bfc6b83df1.tar.bz2 | |
Missing logic for nested CALLSEQ_START/END.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122342 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 661a7ad..a60b871 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -255,8 +255,11 @@ void SelectionDAGLegalize::LegalizeDAG() { static SDNode *FindCallEndFromCallStart(SDNode *Node, int depth = 0) { if (Node->getOpcode() == ISD::CALLSEQ_START) depth++; - if ((Node->getOpcode() == ISD::CALLSEQ_END) && (depth == 1)) - return Node; + else if (Node->getOpcode() == ISD::CALLSEQ_END) { + depth--; + if (depth == 0) + return Node; + } if (Node->use_empty()) return 0; // No CallSeqEnd |