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Fix PR9883. Make sure all caches are invalidated when a live range is repaired.

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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
This commit is contained in:
Jakob Stoklund Olesen
2011-05-10 17:37:41 +00:00
parent 0d450dc659
commit bdda37d7fb
4 changed files with 8 additions and 4 deletions
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2
lib/CodeGen/RegAllocBasic.cpp
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@ -309,7 +309,7 @@ void RegAllocBase::allocatePhysRegs() {
}
// Invalidate all interference queries, live ranges could have changed.
++UserTag;
invalidateVirtRegs();
// selectOrSplit requests the allocator to return an available physical
// register if possible and populate a list of new live intervals that