Simplify code that toggle optional operand to ARM::CPSR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119484 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 89b210273364cbcfebcdc10aa494aaab500f5555..c743628df4e7a2414f77328ada7db3006d30f978 100644 (file)
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -1546,9 +1546,9 @@ OptimizeCompareInstr(MachineInstr *CmpInstr, unsigned SrcReg, int CmpMask,
   case ARM::SUBri:
   case ARM::t2ADDri:
   case ARM::t2SUBri:
-    MI->RemoveOperand(5);
-    MachineInstrBuilder(MI)
-      .addReg(ARM::CPSR, RegState::Define | RegState::Implicit);
+    // Toggle the optional operand to CPSR.
+    MI->getOperand(5).setReg(ARM::CPSR);
+    MI->getOperand(5).setIsDef(true);
     CmpInstr->eraseFromParent();
     return true;
   }