diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineCSE.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineCSE.cpp | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/llvm/lib/CodeGen/MachineCSE.cpp b/llvm/lib/CodeGen/MachineCSE.cpp index 76ab7dcb6a3..fd153d8c448 100644 --- a/llvm/lib/CodeGen/MachineCSE.cpp +++ b/llvm/lib/CodeGen/MachineCSE.cpp @@ -364,15 +364,11 @@ bool MachineCSE::isProfitableToCSE(unsigned CSReg, unsigned Reg, TargetRegisterInfo::isVirtualRegister(Reg)) { MayIncreasePressure = false; SmallPtrSet<MachineInstr*, 8> CSUses; - for (MachineRegisterInfo::use_instr_nodbg_iterator - I = MRI->use_instr_nodbg_begin(CSReg), E = MRI->use_instr_nodbg_end(); - I != E; ++I) { - CSUses.insert(&*I); + for (MachineInstr &MI : MRI->use_nodbg_instructions(CSReg)) { + CSUses.insert(&MI); } - for (MachineRegisterInfo::use_instr_nodbg_iterator - I = MRI->use_instr_nodbg_begin(Reg), E = MRI->use_instr_nodbg_end(); - I != E; ++I) { - if (!CSUses.count(&*I)) { + for (MachineInstr &MI : MRI->use_nodbg_instructions(Reg)) { + if (!CSUses.count(&MI)) { MayIncreasePressure = true; break; } @@ -403,11 +399,9 @@ bool MachineCSE::isProfitableToCSE(unsigned CSReg, unsigned Reg, } if (!HasVRegUse) { bool HasNonCopyUse = false; - for (MachineRegisterInfo::use_instr_nodbg_iterator - I = MRI->use_instr_nodbg_begin(Reg), E = MRI->use_instr_nodbg_end(); - I != E; ++I) { + for (MachineInstr &MI : MRI->use_nodbg_instructions(Reg)) { // Ignore copies. - if (!I->isCopyLike()) { + if (!MI.isCopyLike()) { HasNonCopyUse = true; break; } @@ -420,11 +414,9 @@ bool MachineCSE::isProfitableToCSE(unsigned CSReg, unsigned Reg, // it unless the defined value is already used in the BB of the new use. bool HasPHI = false; SmallPtrSet<MachineBasicBlock*, 4> CSBBs; - for (MachineRegisterInfo::use_instr_nodbg_iterator - I = MRI->use_instr_nodbg_begin(CSReg), E = MRI->use_instr_nodbg_end(); - I != E; ++I) { - HasPHI |= I->isPHI(); - CSBBs.insert(I->getParent()); + for (MachineInstr &MI : MRI->use_nodbg_instructions(CSReg)) { + HasPHI |= MI.isPHI(); + CSBBs.insert(MI.getParent()); } if (!HasPHI) |
