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authorJakob Stoklund Olesen <stoklund@2pi.dk>2011-02-23 00:29:55 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2011-02-23 00:29:55 +0000
commit417df0129146e299e9fd273becab824887c384e9 (patch)
tree5788d6ee0cf2bed5831f8eb84e673aad98bc07c8 /lib/CodeGen/RegAllocGreedy.cpp
parent98c8141b6d8fcbb9bd258ebcdd4171f55c5a8e9d (diff)
Fix a bug in determining if there is only a single interfering register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126277 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocGreedy.cpp')
-rw-r--r--lib/CodeGen/RegAllocGreedy.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index 0146a27621..59d4fc6180 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -240,8 +240,7 @@ LiveInterval *RAGreedy::getSingleInterference(LiveInterval &VirtReg,
if (Q.checkInterference()) {
if (Interference)
return 0;
- Q.collectInterferingVRegs(1);
- if (!Q.seenAllInterferences())
+ if (Q.collectInterferingVRegs(2) > 1)
return 0;
Interference = Q.interferingVRegs().front();
}