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Fix 80-col. violations in PPCCTRLoops 

llvm-svn: 177296
This commit is contained in:
Hal Finkel 2013-03-18 17:40:46 +00:00
parent 21f2a43ab4
commit e8f1cf478b
1 changed files with 8 additions and 6 deletions
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14
llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
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@ -425,7 +425,8 @@ CountValue *PPCCTRLoops::getTripCount(MachineLoop *L,
DefInstr->getOpcode() == PPC::LI)) { DefInstr->getOpcode() == PPC::LI)) {
DEBUG(dbgs() << " initial constant: " << *DefInstr); DEBUG(dbgs() << " initial constant: " << *DefInstr);
int64_t count = ImmVal - int64_t(short(DefInstr->getOperand(1).getImm())); int64_t count = ImmVal -
int64_t(short(DefInstr->getOperand(1).getImm()));
if ((count % iv_value) != 0) { if ((count % iv_value) != 0) {
return 0; return 0;
} }
@ -443,8 +444,8 @@ CountValue *PPCCTRLoops::getTripCount(MachineLoop *L,
} }
// FIXME: handle non-zero end value. // FIXME: handle non-zero end value.
} }
// FIXME: handle non-unit increments (we might not want to introduce division // FIXME: handle non-unit increments (we might not want to introduce
// but we can handle some 2^n cases with shifts). // division but we can handle some 2^n cases with shifts).
} }
} }
@ -515,9 +516,10 @@ bool PPCCTRLoops::isDead(const MachineInstr *MI,
if (MO.isReg() && MO.isDef()) { if (MO.isReg() && MO.isDef()) {
unsigned Reg = MO.getReg(); unsigned Reg = MO.getReg();
if (!MRI->use_nodbg_empty(Reg)) { if (!MRI->use_nodbg_empty(Reg)) {
// This instruction has users, but if the only user is the phi node for the // This instruction has users, but if the only user is the phi node for
// parent block, and the only use of that phi node is this instruction, then // the parent block, and the only use of that phi node is this
// this instruction is dead: both it (and the phi node) can be removed. // instruction, then this instruction is dead: both it (and the phi
// node) can be removed.
MachineRegisterInfo::use_iterator I = MRI->use_begin(Reg); MachineRegisterInfo::use_iterator I = MRI->use_begin(Reg);
if (llvm::next(I) == MRI->use_end() && if (llvm::next(I) == MRI->use_end() &&
I.getOperand().getParent()->isPHI()) { I.getOperand().getParent()->isPHI()) {