diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-05 23:43:14 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-05 23:43:14 +0000 |
| commit | 5c482cd38f83f6fc1b95f86478e684e5f072399e (patch) | |
| tree | dd5206a8a4dc2c6427c6d9ffe25cfea4b11c83a0 /llvm/lib/CodeGen/SplitKit.cpp | |
| parent | 30b5473d82125a99721e280eaba95ccd8abb741c (diff) | |
| download | llvm-5c482cd38f83f6fc1b95f86478e684e5f072399e.zip llvm-5c482cd38f83f6fc1b95f86478e684e5f072399e.tar.gz llvm-5c482cd38f83f6fc1b95f86478e684e5f072399e.tar.bz2 | |
Don't crash when a value is defined after the last split point.
llvm-svn: 128962
Diffstat (limited to 'llvm/lib/CodeGen/SplitKit.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SplitKit.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SplitKit.cpp b/llvm/lib/CodeGen/SplitKit.cpp index 4b64288..a3e065d 100644 --- a/llvm/lib/CodeGen/SplitKit.cpp +++ b/llvm/lib/CodeGen/SplitKit.cpp @@ -673,7 +673,8 @@ void SplitEditor::overlapIntv(SlotIndex Start, SlotIndex End) { "Range cannot span basic blocks"); // The complement interval will be extended as needed by extendRange(). - markComplexMapped(0, ParentVNI); + if (ParentVNI) + markComplexMapped(0, ParentVNI); DEBUG(dbgs() << " overlapIntv [" << Start << ';' << End << "):"); RegAssign.insert(Start, End, OpenIdx); DEBUG(dump()); |