[mips] Transfer kill flag to the newly created operand.
llvm-svn: 192662
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index f69a2d4..8c0991e 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -768,13 +768,17 @@
// Insert instruction "teq $divisor_reg, $zero, 7".
MachineBasicBlock::iterator I(MI);
MachineInstrBuilder MIB;
+ MachineOperand &Divisor = MI->getOperand(2);
MIB = BuildMI(MBB, llvm::next(I), MI->getDebugLoc(), TII.get(Mips::TEQ))
- .addOperand(MI->getOperand(2)).addReg(Mips::ZERO).addImm(7);
+ .addReg(Divisor.getReg(), getKillRegState(Divisor.isKill()))
+ .addReg(Mips::ZERO).addImm(7);
// Use the 32-bit sub-register if this is a 64-bit division.
if (Is64Bit)
MIB->getOperand(0).setSubReg(Mips::sub_32);
+ // Clear Divisor's kill flag.
+ Divisor.setIsKill(false);
return &MBB;
}