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| author | dim <dim@FreeBSD.org> | 2012-12-02 13:10:19 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-12-02 13:10:19 +0000 |
| commit | 6de2c08bc400b4aca9fb46684e8bdb56eed9b09f (patch) | |
| tree | 32b4679ab4b8f28e5228daafc65e9dc436935353 /lib/CodeGen/LiveRangeCalc.cpp | |
| parent | 4dc93743c9d40c29c0a3bec2aae328cac0d289e8 (diff) | |
| download | FreeBSD-src-6de2c08bc400b4aca9fb46684e8bdb56eed9b09f.zip FreeBSD-src-6de2c08bc400b4aca9fb46684e8bdb56eed9b09f.tar.gz | |
Vendor import of llvm release_32 branch r168974 (effectively, 3.2 RC2):
http://llvm.org/svn/llvm-project/llvm/branches/release_32@168974
Diffstat (limited to 'lib/CodeGen/LiveRangeCalc.cpp')
| -rw-r--r-- | lib/CodeGen/LiveRangeCalc.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveRangeCalc.cpp b/lib/CodeGen/LiveRangeCalc.cpp index d828f25..c3ff4f1 100644 --- a/lib/CodeGen/LiveRangeCalc.cpp +++ b/lib/CodeGen/LiveRangeCalc.cpp @@ -65,7 +65,11 @@ void LiveRangeCalc::extendToUses(LiveInterval *LI, unsigned Reg) { // Visit all operands that read Reg. This may include partial defs. for (MachineRegisterInfo::reg_nodbg_iterator I = MRI->reg_nodbg_begin(Reg), E = MRI->reg_nodbg_end(); I != E; ++I) { - const MachineOperand &MO = I.getOperand(); + MachineOperand &MO = I.getOperand(); + // Clear all kill flags. They will be reinserted after register allocation + // by LiveIntervalAnalysis::addKillFlags(). + if (MO.isUse()) + MO.setIsKill(false); if (!MO.readsReg()) continue; // MI is reading Reg. We may have visited MI before if it happens to be |
