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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-05-10 17:37:41 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-05-10 17:37:41 +0000 |
| commit | bdda37d7fbafe6876f248341837423a4100f95a5 (patch) | |
| tree | 19a15ab39a313eee8b388aa6e4e4f1f6ad46d705 /lib/CodeGen/RegAllocBase.h | |
| parent | 0d450dc65906a30beb56aeb1ee22b45b1cd4596c (diff) | |
| download | external_llvm-bdda37d7fbafe6876f248341837423a4100f95a5.tar.gz external_llvm-bdda37d7fbafe6876f248341837423a4100f95a5.tar.bz2 external_llvm-bdda37d7fbafe6876f248341837423a4100f95a5.zip | |
Fix PR9883. Make sure all caches are invalidated when a live range is repaired.
The previous invalidation missed the alias interference caches.
Also add a stats counter for the number of repaired ranges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131133 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocBase.h')
| -rw-r--r-- | lib/CodeGen/RegAllocBase.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocBase.h b/lib/CodeGen/RegAllocBase.h index f431d5a5a0..b25ea23f85 100644 --- a/lib/CodeGen/RegAllocBase.h +++ b/lib/CodeGen/RegAllocBase.h @@ -113,6 +113,10 @@ protected: return Queries[PhysReg]; } + // Invalidate all cached information about virtual registers - live ranges may + // have changed. + void invalidateVirtRegs() { ++UserTag; } + // The top-level driver. The output is a VirtRegMap that us updated with // physical register assignments. // |