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Cleanup sloppy code. Jakob's review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162825 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -683,7 +683,7 @@ void ARMBaseInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
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// Handle register classes that require multiple instructions.
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unsigned BeginIdx = 0;
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unsigned SubRegs = 0;
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unsigned Spacing = 1;
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int Spacing = 1;
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// Use VORRq when possible.
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if (ARM::QQPRRegClass.contains(DestReg, SrcReg))
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@ -705,8 +705,7 @@ void ARMBaseInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
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else if (ARM::DQuadSpcRegClass.contains(DestReg, SrcReg))
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Opc = ARM::VMOVD, BeginIdx = ARM::dsub_0, SubRegs = 4, Spacing = 2;
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if (!Opc)
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llvm_unreachable("Impossible reg-to-reg copy");
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assert(Opc && "Impossible reg-to-reg copy");
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const TargetRegisterInfo *TRI = &getRegisterInfo();
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MachineInstrBuilder Mov;
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@ -724,8 +723,8 @@ void ARMBaseInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
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unsigned Src = TRI->getSubReg(SrcReg, BeginIdx + i*Spacing);
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assert(Dst && Src && "Bad sub-register");
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#ifndef NDEBUG
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DstRegs.insert(Dst);
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assert(!DstRegs.count(Src) && "destructive vector copy");
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DstRegs.insert(Dst);
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#endif
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Mov = BuildMI(MBB, I, I->getDebugLoc(), get(Opc), Dst)
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.addReg(Src);
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