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author | Dale Johannesen <dalej@apple.com> | 2008-03-05 19:14:03 +0000 |
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committer | Dale Johannesen <dalej@apple.com> | 2008-03-05 19:14:03 +0000 |
commit | 0ea0356dff38dfd0420b8c0a2fdf2fae7898c024 (patch) | |
tree | b324d28571514f208f3d7300211884311800b015 /include/llvm/CodeGen | |
parent | 327d0651f8c3b1480d8fc1f4d96e07a1452eaa8c (diff) | |
download | external_llvm-0ea0356dff38dfd0420b8c0a2fdf2fae7898c024.zip external_llvm-0ea0356dff38dfd0420b8c0a2fdf2fae7898c024.tar.gz external_llvm-0ea0356dff38dfd0420b8c0a2fdf2fae7898c024.tar.bz2 |
Clarify that CALLSEQ_START..END may not be nested,
and add some protection against creating such.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47957 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen')
-rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index afd1e78..025e9ec 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -529,6 +529,7 @@ namespace ISD { // a call sequence, and carry arbitrary information that target might want // to know. The first operand is a chain, the rest are specified by the // target and not touched by the DAG optimizers. + // CALLSEQ_START..CALLSEQ_END pairs may not be nested. CALLSEQ_START, // Beginning of a call sequence CALLSEQ_END, // End of a call sequence |