diff options
Diffstat (limited to 'lib/CodeGen/RegAllocLocal.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLocal.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp index 920ba5732a..94456d1438 100644 --- a/lib/CodeGen/RegAllocLocal.cpp +++ b/lib/CodeGen/RegAllocLocal.cpp @@ -643,7 +643,10 @@ void RALocal::ComputeLocalLiveness(MachineBasicBlock& MBB) { // uses regs before it defs them. if (!MO.isReg() || !MO.getReg() || !MO.isUse()) continue; - + + // Ignore helpful kill flags from earlier passes. + MO.setIsKill(false); + LastUseDef[MO.getReg()] = std::make_pair(I, i); if (TargetRegisterInfo::isVirtualRegister(MO.getReg())) continue; |