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[mips][msa] A small refactor to reduce patch noise in my next commit

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No functional change. An if-statement has been split into two nested if-statements.

llvm-svn: 195972
This commit is contained in:
Daniel Sanders 2013-11-30 13:15:21 +00:00
parent 7150312963
commit f397466fb3
1 changed files with 16 additions and 14 deletions
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30
lib/Target/Mips/MipsSERegisterInfo.cpp
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@ -113,21 +113,23 @@ void MipsSERegisterInfo::eliminateFI(MachineBasicBlock::iterator II,
// If MI is not a debug value, make sure Offset fits in the 16-bit immediate
// field.
if (!MI.isDebugValue() && !isInt<16>(Offset)) {
MachineBasicBlock &MBB = *MI.getParent();
DebugLoc DL = II->getDebugLoc();
unsigned ADDu = Subtarget.isABI_N64() ? Mips::DADDu : Mips::ADDu;
unsigned NewImm;
const MipsSEInstrInfo &TII =
*static_cast<const MipsSEInstrInfo*>(
MBB.getParent()->getTarget().getInstrInfo());
unsigned Reg = TII.loadImmediate(Offset, MBB, II, DL, &NewImm);
BuildMI(MBB, II, DL, TII.get(ADDu), Reg).addReg(FrameReg)
.addReg(Reg, RegState::Kill);
if (!MI.isDebugValue()) {
if (!isInt<16>(Offset)) {
MachineBasicBlock &MBB = *MI.getParent();
DebugLoc DL = II->getDebugLoc();
unsigned ADDu = Subtarget.isABI_N64() ? Mips::DADDu : Mips::ADDu;
unsigned NewImm;
const MipsSEInstrInfo &TII =
*static_cast<const MipsSEInstrInfo *>(
MBB.getParent()->getTarget().getInstrInfo());
unsigned Reg = TII.loadImmediate(Offset, MBB, II, DL, &NewImm);
BuildMI(MBB, II, DL, TII.get(ADDu), Reg).addReg(FrameReg)
.addReg(Reg, RegState::Kill);
FrameReg = Reg;
Offset = SignExtend64<16>(NewImm);
IsKill = true;
FrameReg = Reg;
Offset = SignExtend64<16>(NewImm);
IsKill = true;
}
}
MI.getOperand(OpNo).ChangeToRegister(FrameReg, false, false, IsKill);