cleanup

llvm-svn: 162820

1 files changed, 19 insertions, 21 deletions

diff --git a/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp b/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 2112992dd86..5191c3eabea 100644
--- a/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -705,28 +705,26 @@ void ARMBaseInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
   else if (ARM::DQuadSpcRegClass.contains(DestReg, SrcReg))
     Opc = ARM::VMOVD, BeginIdx = ARM::dsub_0, SubRegs = 4, Spacing = 2;
 
-  if (Opc) {
-    const TargetRegisterInfo *TRI = &getRegisterInfo();
-    MachineInstrBuilder Mov;
-    for (unsigned i = 0; i != SubRegs; ++i) {
-      unsigned Dst = TRI->getSubReg(DestReg, BeginIdx + i*Spacing);
-      unsigned Src = TRI->getSubReg(SrcReg,  BeginIdx + i*Spacing);
-      assert(Dst && Src && "Bad sub-register");
-      Mov = BuildMI(MBB, I, I->getDebugLoc(), get(Opc), Dst)
-        .addReg(Src);
-      // VORR takes two source operands.
-      if (Opc == ARM::VORRq)
-        Mov.addReg(Src);
-      Mov = AddDefaultPred(Mov);
-    }
-    // Add implicit super-register defs and kills to the last instruction.
-    Mov->addRegisterDefined(DestReg, TRI);
-    if (KillSrc)
-      Mov->addRegisterKilled(SrcReg, TRI);
-    return;
-  }
+  if (!Opc)
+    llvm_unreachable("Impossible reg-to-reg copy");
 
-  llvm_unreachable("Impossible reg-to-reg copy");
+  const TargetRegisterInfo *TRI = &getRegisterInfo();
+  MachineInstrBuilder Mov;
+  for (unsigned i = 0; i != SubRegs; ++i) {
+    unsigned Dst = TRI->getSubReg(DestReg, BeginIdx + i*Spacing);
+    unsigned Src = TRI->getSubReg(SrcReg,  BeginIdx + i*Spacing);
+    assert(Dst && Src && "Bad sub-register");
+    Mov = BuildMI(MBB, I, I->getDebugLoc(), get(Opc), Dst)
+      .addReg(Src);
+    // VORR takes two source operands.
+    if (Opc == ARM::VORRq)
+      Mov.addReg(Src);
+    Mov = AddDefaultPred(Mov);
+  }
+  // Add implicit super-register defs and kills to the last instruction.
+  Mov->addRegisterDefined(DestReg, TRI);
+  if (KillSrc)
+    Mov->addRegisterKilled(SrcReg, TRI);
 }
 
 static const