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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-07-18 18:47:13 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-07-18 18:47:13 +0000 |
| commit | fc47933db5c8fea9bc89470d83cc5af7ca36f2a3 (patch) | |
| tree | e4b31aeb8e7cb9326ba554ba3d131858d822caae /lib/CodeGen/SplitKit.cpp | |
| parent | f6a0dbaaf4f68f8e948a818135b9272776b8a52f (diff) | |
Fix a crash when building 177.mesa for armv6.
When splitting a live range immediately before an LDR_POST instruction
that redefines the address register, make sure to use the correct value
number in leaveIntvBefore.
We need the value number entering the instruction.
<rdar://problem/9793765>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135413 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SplitKit.cpp')
| -rw-r--r-- | lib/CodeGen/SplitKit.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp index 761cab7ce8..5ba6faca16 100644 --- a/lib/CodeGen/SplitKit.cpp +++ b/lib/CodeGen/SplitKit.cpp @@ -730,7 +730,7 @@ SlotIndex SplitEditor::leaveIntvBefore(SlotIndex Idx) { DEBUG(dbgs() << " leaveIntvBefore " << Idx); // The interval must be live into the instruction at Idx. - Idx = Idx.getBoundaryIndex(); + Idx = Idx.getBaseIndex(); VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Idx); if (!ParentVNI) { DEBUG(dbgs() << ": not live\n"); |