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| author | Matthias Braun <matze@braunis.de> | 2014-12-24 02:11:46 +0000 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2014-12-24 02:11:46 +0000 |
| commit | 36768c684f2b7ba5b9dd9874c1ddb5ecd8fbaa29 (patch) | |
| tree | 2836238cabc2c33303e71778b4ac151975a6a7b5 /llvm/lib/CodeGen/LiveRangeEdit.cpp | |
| parent | f603c88d13f583ef25afbcab122007a897e59e61 (diff) | |
| download | bcm5719-llvm-36768c684f2b7ba5b9dd9874c1ddb5ecd8fbaa29.tar.gz bcm5719-llvm-36768c684f2b7ba5b9dd9874c1ddb5ecd8fbaa29.zip | |
LiveRangeEdit: Check for completely empy subranges after removing ValNos.
Completely empty subranges are not allowed and must be removed when
subreg liveness is enabled.
llvm-svn: 224804
Diffstat (limited to 'llvm/lib/CodeGen/LiveRangeEdit.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveRangeEdit.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LiveRangeEdit.cpp b/llvm/lib/CodeGen/LiveRangeEdit.cpp index 765a39a9b5e..47da205df69 100644 --- a/llvm/lib/CodeGen/LiveRangeEdit.cpp +++ b/llvm/lib/CodeGen/LiveRangeEdit.cpp @@ -292,6 +292,7 @@ void LiveRangeEdit::eliminateDeadDef(MachineInstr *MI, ToShrinkSet &ToShrink) { if (VNInfo *SVNI = S.getVNInfoAt(Idx)) S.removeValNo(SVNI); } + LI.removeEmptySubRanges(); } } } |
