diff options
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index f21fca7270..8005408412 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -11633,13 +11633,9 @@ X86TargetLowering::EmitLoweredSelect(MachineInstr *MI, // If the EFLAGS register isn't dead in the terminator, then claim that it's // live into the sink and copy blocks. - for (unsigned I = 0, E = MI->getNumOperands(); I != E; ++I) { - const MachineOperand &MO = MI->getOperand(I); - if (!MO.isReg() || !MO.isUse() || MO.isKill()) continue; - unsigned Reg = MO.getReg(); - if (Reg != X86::EFLAGS) continue; - copy0MBB->addLiveIn(Reg); - sinkMBB->addLiveIn(Reg); + if (!MI->killsRegister(X86::EFLAGS)) { + copy0MBB->addLiveIn(X86::EFLAGS); + sinkMBB->addLiveIn(X86::EFLAGS); } // Transfer the remainder of BB and its successor edges to sinkMBB. |