diff options
Diffstat (limited to 'llvm/lib/Target/BPF/BPFMISimplifyPatchable.cpp')
| -rw-r--r-- | llvm/lib/Target/BPF/BPFMISimplifyPatchable.cpp | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/llvm/lib/Target/BPF/BPFMISimplifyPatchable.cpp b/llvm/lib/Target/BPF/BPFMISimplifyPatchable.cpp index ae1f5ea21c12..7e829ea43e89 100644 --- a/llvm/lib/Target/BPF/BPFMISimplifyPatchable.cpp +++ b/llvm/lib/Target/BPF/BPFMISimplifyPatchable.cpp @@ -97,15 +97,13 @@ void BPFMISimplifyPatchable::checkADDrr(MachineRegisterInfo *MRI, // Go through all uses of %1 as in %1 = ADD_rr %2, %3 const MachineOperand Op0 = Inst->getOperand(0); - auto Begin = MRI->use_begin(Op0.getReg()), End = MRI->use_end(); - decltype(End) NextI; - for (auto I = Begin; I != End; I = NextI) { - NextI = std::next(I); + for (MachineOperand &MO : + llvm::make_early_inc_range(MRI->use_operands(Op0.getReg()))) { // The candidate needs to have a unique definition. - if (!MRI->getUniqueVRegDef(I->getReg())) + if (!MRI->getUniqueVRegDef(MO.getReg())) continue; - MachineInstr *DefInst = I->getParent(); + MachineInstr *DefInst = MO.getParent(); unsigned Opcode = DefInst->getOpcode(); unsigned COREOp; if (Opcode == BPF::LDB || Opcode == BPF::LDH || Opcode == BPF::LDW || @@ -131,7 +129,7 @@ void BPFMISimplifyPatchable::checkADDrr(MachineRegisterInfo *MRI, Opcode == BPF::STD || Opcode == BPF::STB32 || Opcode == BPF::STH32 || Opcode == BPF::STW32) { const MachineOperand &Opnd = DefInst->getOperand(0); - if (Opnd.isReg() && Opnd.getReg() == I->getReg()) + if (Opnd.isReg() && Opnd.getReg() == MO.getReg()) continue; } |