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Cleanup sloppy code. Jakob's review.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162825 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2012-08-29 04:41:37 +00:00
parent 2b70dfaaeb
commit 7611a88b58
1 changed files with 3 additions and 4 deletions
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7
lib/Target/ARM/ARMBaseInstrInfo.cpp
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@ -683,7 +683,7 @@ void ARMBaseInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
// Handle register classes that require multiple instructions.
unsigned BeginIdx = 0;
unsigned SubRegs = 0;
unsigned Spacing = 1;
int Spacing = 1;
// Use VORRq when possible.
if (ARM::QQPRRegClass.contains(DestReg, SrcReg))
@ -705,8 +705,7 @@ 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)
llvm_unreachable("Impossible reg-to-reg copy");
assert(Opc && "Impossible reg-to-reg copy");
const TargetRegisterInfo *TRI = &getRegisterInfo();
MachineInstrBuilder Mov;
@ -724,8 +723,8 @@ void ARMBaseInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
unsigned Src = TRI->getSubReg(SrcReg, BeginIdx + i*Spacing);
assert(Dst && Src && "Bad sub-register");
#ifndef NDEBUG
DstRegs.insert(Dst);
assert(!DstRegs.count(Src) && "destructive vector copy");
DstRegs.insert(Dst);
#endif
Mov = BuildMI(MBB, I, I->getDebugLoc(), get(Opc), Dst)
.addReg(Src);