From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 17 Nov 2010 08:06:50 +0000 (+0000)
Subject: Simplify code that toggle optional operand to ARM::CPSR.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3642e64c114e636548888c72c21ae023ee0121a7;p=oota-llvm.git

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 89b21027336..c743628df4e 100644
--- 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;
   }