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Update split candidate correctly when interference cache is full.
[oota-llvm.git]
/
lib
/
CodeGen
/
RegAllocGreedy.cpp
diff --git
a/lib/CodeGen/RegAllocGreedy.cpp
b/lib/CodeGen/RegAllocGreedy.cpp
index f54a2c85d1006dc802d450af2dbc880851f65f7a..71b7f4f78524d1d158c2d4d581a30c92e9501389 100644
(file)
--- a/
lib/CodeGen/RegAllocGreedy.cpp
+++ b/
lib/CodeGen/RegAllocGreedy.cpp
@@
-1118,6
+1118,8
@@
unsigned RAGreedy::tryRegionSplit(LiveInterval &VirtReg, AllocationOrder &Order,
}
--NumCands;
GlobalCand[Worst] = GlobalCand[NumCands];
+ if (BestCand == NumCands)
+ BestCand = Worst;
}
if (GlobalCand.size() <= NumCands)