diff options
Diffstat (limited to 'lib/CodeGen/TargetInstrInfoImpl.cpp')
-rw-r--r-- | lib/CodeGen/TargetInstrInfoImpl.cpp | 36 |
1 files changed, 5 insertions, 31 deletions
diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp index a0fccabdb5..e9e998f81d 100644 --- a/lib/CodeGen/TargetInstrInfoImpl.cpp +++ b/lib/CodeGen/TargetInstrInfoImpl.cpp @@ -150,6 +150,11 @@ void TargetInstrInfoImpl::reMaterialize(MachineBasicBlock &MBB, MBB.insert(I, MI); } +bool TargetInstrInfoImpl::produceSameValue(const MachineInstr *MI0, + const MachineInstr *MI1) const { + return MI0->isIdenticalTo(MI1, MachineInstr::IgnoreVRegDefs); +} + MachineInstr *TargetInstrInfoImpl::duplicate(MachineInstr *Orig, MachineFunction &MF) const { assert(!Orig->getDesc().isNotDuplicable() && @@ -157,37 +162,6 @@ MachineInstr *TargetInstrInfoImpl::duplicate(MachineInstr *Orig, return MF.CloneMachineInstr(Orig); } -bool -TargetInstrInfoImpl::isIdentical(const MachineInstr *MI, - const MachineInstr *Other, - const MachineRegisterInfo *MRI) const { - if (MI->getOpcode() != Other->getOpcode() || - MI->getNumOperands() != Other->getNumOperands()) - return false; - - for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) { - const MachineOperand &MO = MI->getOperand(i); - const MachineOperand &OMO = Other->getOperand(i); - if (MO.isReg() && MO.isDef()) { - assert(OMO.isReg() && OMO.isDef()); - unsigned Reg = MO.getReg(); - if (TargetRegisterInfo::isPhysicalRegister(Reg)) { - if (Reg != OMO.getReg()) - return false; - } else if (MRI->getRegClass(MO.getReg()) != - MRI->getRegClass(OMO.getReg())) - return false; - - continue; - } - - if (!MO.isIdenticalTo(OMO)) - return false; - } - - return true; -} - unsigned TargetInstrInfoImpl::GetFunctionSizeInBytes(const MachineFunction &MF) const { unsigned FnSize = 0; |