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Update split candidate correctly when interference cache is full.
author
Jakob Stoklund Olesen
<stoklund@2pi.dk>
Tue, 1 Nov 2011 00:02:31 +0000
(
00:02
+0000)
committer
Jakob Stoklund Olesen
<stoklund@2pi.dk>
Tue, 1 Nov 2011 00:02:31 +0000
(
00:02
+0000)
No test case, spotted by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143407
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/CodeGen/RegAllocGreedy.cpp
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diff --git
a/lib/CodeGen/RegAllocGreedy.cpp
b/lib/CodeGen/RegAllocGreedy.cpp
index
f54a2c8
..
71b7f4f
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)