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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-12 18:11:28 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-12 18:11:28 +0000 |
| commit | 68e84581c5155b238b455bea62314d92650e3787 (patch) | |
| tree | 9a8f68349970d4e6a209eb59d29753d2311be95d /llvm/lib/CodeGen/RegAllocBasic.cpp | |
| parent | 4547a9e658d5df7ab54b7508dc77063e41346250 (diff) | |
| download | llvm-68e84581c5155b238b455bea62314d92650e3787.zip llvm-68e84581c5155b238b455bea62314d92650e3787.tar.gz llvm-68e84581c5155b238b455bea62314d92650e3787.tar.bz2 | |
Fix a bug in RegAllocBase::addMBBLiveIns() where a basic block could accidentally be skipped.
llvm-svn: 129373
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocBasic.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocBasic.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegAllocBasic.cpp b/llvm/lib/CodeGen/RegAllocBasic.cpp index af7da53..dd504989 100644 --- a/llvm/lib/CodeGen/RegAllocBasic.cpp +++ b/llvm/lib/CodeGen/RegAllocBasic.cpp @@ -429,7 +429,7 @@ void RegAllocBase::addMBBLiveIns(MachineFunction *MF) { if (!MBB->isLiveIn(PhysReg)) MBB->addLiveIn(PhysReg); } else if (SI.start() > Stop) - MBB = Indexes->getMBBFromIndex(SI.start()); + MBB = Indexes->getMBBFromIndex(SI.start().getPrevIndex()); if (++MBB == MFE) break; tie(Start, Stop) = Indexes->getMBBRange(MBB); |