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| author | Lang Hames <lhames@gmail.com> | 2012-05-29 18:19:54 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2012-05-29 18:19:54 +0000 |
| commit | f905f69668e5dd184c0a2b5fae38d9f3721c0d3b (patch) | |
| tree | 0e0db680b87715d3eae44e47255a618018732e62 /lib/CodeGen/LiveIntervalAnalysis.cpp | |
| parent | e23642916bcd546c1a3ee3cac45538c6c3893f6f (diff) | |
| download | llvm-f905f69668e5dd184c0a2b5fae38d9f3721c0d3b.tar.gz llvm-f905f69668e5dd184c0a2b5fae38d9f3721c0d3b.tar.bz2 llvm-f905f69668e5dd184c0a2b5fae38d9f3721c0d3b.tar.xz | |
Clear the entering, exiting and internal ranges of a bundle before collecting
ranges for the instruction about to be bundled. This fixes a bug in an external
project where an assertion was triggered due to spurious 'multiple defs' within
the bundle.
Patch by Ivan Llopard. Thanks Ivan!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157632 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 78a634adf0..bb767a71ec 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -1097,6 +1097,9 @@ public: BundleRanges BR = createBundleRanges(Entering, Internal, Exiting); + Entering.clear(); + Internal.clear(); + Exiting.clear(); collectRanges(MI, Entering, Internal, Exiting, hasRegMaskOp, OldIdx); assert(!hasRegMaskOp && "Can't have RegMask operand in bundle."); |