diff options
Diffstat (limited to 'lib/CodeGen/LiveVariables.cpp')
| -rw-r--r-- | lib/CodeGen/LiveVariables.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp index 97e8671ca8..dd5afcc432 100644 --- a/lib/CodeGen/LiveVariables.cpp +++ b/lib/CodeGen/LiveVariables.cpp @@ -306,9 +306,8 @@ bool LiveVariables::HandlePhysRegKill(unsigned Reg, MachineInstr *RefMI, for (const unsigned *SubRegs = RegInfo->getImmediateSubRegisters(Reg); unsigned SubReg = *SubRegs; ++SubRegs) { MachineInstr *LastRef = PhysRegInfo[SubReg]; - if (LastRef != RefMI) - SubKills.insert(SubReg); - else if (!HandlePhysRegKill(SubReg, RefMI, SubKills)) + if (LastRef != RefMI || + !HandlePhysRegKill(SubReg, RefMI, SubKills)) SubKills.insert(SubReg); } @@ -336,7 +335,7 @@ void LiveVariables::addRegisterKills(unsigned Reg, MachineInstr *MI, bool LiveVariables::HandlePhysRegKill(unsigned Reg, MachineInstr *RefMI) { SmallSet<unsigned, 4> SubKills; if (HandlePhysRegKill(Reg, RefMI, SubKills)) { - addRegisterKilled(Reg, RefMI); + addRegisterKilled(Reg, RefMI, true); return true; } else { // Some sub-registers are killed by another MI. |