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[AMDGPU] Remove unused variables from SIOptimizeExecMasking
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Authored by kzhuravl on Sep 30 2016, 10:15 AM.

Reviewers

• tstellarAMD
arsenm

Commits

kzhuravl retitled this revision from to [AMDGPU] Remove unused variables from SIOptimizeExecMasking.

kzhuravl updated this object.

kzhuravl added a reviewer: arsenm.

kzhuravl added a subscriber: llvm-commits.

LGTM

This revision is now accepted and ready to land.Oct 2 2016, 8:50 PM

r283087

Path

Size

lib/

Target/

AMDGPU/

3 lines

Show First 20 Lines • Show All 260 Lines • ▼ Show 20 Lines	for (MachineBasicBlock &MBB : MF) {
if (!SaveExecInst)		if (!SaveExecInst)
continue;		continue;

DEBUG(dbgs() << "Insert save exec op: " << *SaveExecInst << '\n');		DEBUG(dbgs() << "Insert save exec op: " << *SaveExecInst << '\n');

MachineOperand &Src0 = SaveExecInst->getOperand(1);		MachineOperand &Src0 = SaveExecInst->getOperand(1);
MachineOperand &Src1 = SaveExecInst->getOperand(2);		MachineOperand &Src1 = SaveExecInst->getOperand(2);

MachineOperand *CopyOp = nullptr;
MachineOperand *OtherOp = nullptr;		MachineOperand *OtherOp = nullptr;

if (Src0.isReg() && Src0.getReg() == CopyFromExec) {		if (Src0.isReg() && Src0.getReg() == CopyFromExec) {
CopyOp = &Src0;
OtherOp = &Src1;		OtherOp = &Src1;
} else if (Src1.isReg() && Src1.getReg() == CopyFromExec) {		} else if (Src1.isReg() && Src1.getReg() == CopyFromExec) {
if (!SaveExecInst->isCommutable())		if (!SaveExecInst->isCommutable())
break;		break;

CopyOp = &Src1;
OtherOp = &Src0;		OtherOp = &Src0;
} else		} else
llvm_unreachable("unexpected");		llvm_unreachable("unexpected");

CopyFromExecInst->eraseFromParent();		CopyFromExecInst->eraseFromParent();

auto InsPt = SaveExecInst->getIterator();		auto InsPt = SaveExecInst->getIterator();
const DebugLoc &DL = SaveExecInst->getDebugLoc();		const DebugLoc &DL = SaveExecInst->getDebugLoc();
Show All 17 Lines