[CodeGen] Make MachineInstrBuilder::copyImplicitOps const. NFC.
[oota-llvm.git] / lib / Target / PowerPC / PPCEarlyReturn.cpp
index b455aa9ea047a78e46c58e8d11f3622624072654..7cb1bb54c7251d975f8652a50b352d02c47307af 100644 (file)
@@ -79,14 +79,12 @@ protected:
           if (J == (*PI)->end())
             break;
 
-          MachineInstrBuilder MIB;
           if (J->getOpcode() == PPC::B) {
             if (J->getOperand(0).getMBB() == &ReturnMBB) {
               // This is an unconditional branch to the return. Replace the
               // branch with a blr.
-              MIB =
-                BuildMI(**PI, J, J->getDebugLoc(), TII->get(I->getOpcode()));
-              MIB.copyImplicitOps(I);
+              BuildMI(**PI, J, J->getDebugLoc(), TII->get(I->getOpcode()))
+                  .copyImplicitOps(I);
               MachineBasicBlock::iterator K = J--;
               K->eraseFromParent();
               BlockChanged = true;
@@ -97,10 +95,10 @@ protected:
             if (J->getOperand(2).getMBB() == &ReturnMBB) {
               // This is a conditional branch to the return. Replace the branch
               // with a bclr.
-              MIB = BuildMI(**PI, J, J->getDebugLoc(), TII->get(PPC::BCCLR))
-                      .addImm(J->getOperand(0).getImm())
-                      .addReg(J->getOperand(1).getReg());
-              MIB.copyImplicitOps(I);
+              BuildMI(**PI, J, J->getDebugLoc(), TII->get(PPC::BCCLR))
+                  .addImm(J->getOperand(0).getImm())
+                  .addReg(J->getOperand(1).getReg())
+                  .copyImplicitOps(I);
               MachineBasicBlock::iterator K = J--;
               K->eraseFromParent();
               BlockChanged = true;
@@ -111,11 +109,11 @@ protected:
             if (J->getOperand(1).getMBB() == &ReturnMBB) {
               // This is a conditional branch to the return. Replace the branch
               // with a bclr.
-              MIB = BuildMI(**PI, J, J->getDebugLoc(),
-                            TII->get(J->getOpcode() == PPC::BC ?
-                                     PPC::BCLR : PPC::BCLRn))
-                      .addReg(J->getOperand(0).getReg());
-              MIB.copyImplicitOps(I);
+              BuildMI(
+                  **PI, J, J->getDebugLoc(),
+                  TII->get(J->getOpcode() == PPC::BC ? PPC::BCLR : PPC::BCLRn))
+                  .addReg(J->getOperand(0).getReg())
+                  .copyImplicitOps(I);
               MachineBasicBlock::iterator K = J--;
               K->eraseFromParent();
               BlockChanged = true;