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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 | dfaf0e2c0ef01a6f6fd31f2e099ab63c5a7f7cc0 (patch) | |
| tree | fb53304808071e380f3bf50e8e55a5dc0443715e /lib/CodeGen/RegAllocBasic.cpp | |
| parent | 860cf9693a2a09d4a316deb9b829fc9e1641c16e (diff) | |
Fix a bug in RegAllocBase::addMBBLiveIns() where a basic block could accidentally be skipped.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129373 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocBasic.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocBasic.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocBasic.cpp b/lib/CodeGen/RegAllocBasic.cpp index af7da53b89..dd5049898d 100644 --- a/lib/CodeGen/RegAllocBasic.cpp +++ b/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); |