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MachineRegisterInfo: Remove unused arg from isConstantPhysReg(); NFC

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llvm-svn: 285423
This commit is contained in:
Matthias Braun 2016-10-28 18:05:09 +00:00
parent b3cd5f40cd
commit fcada89b82
7 changed files with 7 additions and 8 deletions
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2
include/llvm/CodeGen/MachineRegisterInfo.h
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@ -553,7 +553,7 @@ public:
/// isConstantPhysReg - Returns true if PhysReg is unallocatable and constant
/// throughout the function. It is safe to move instructions that read such
/// a physreg.
bool isConstantPhysReg(unsigned PhysReg, const MachineFunction &MF) const;
bool isConstantPhysReg(unsigned PhysReg) const;
/// Get an iterator over the pressure sets affected by the given physical or
/// virtual register. If RegUnit is physical, it must be a register unit (from

2
lib/CodeGen/LiveRangeEdit.cpp
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@ -103,7 +103,7 @@ bool LiveRangeEdit::allUsesAvailableAt(const MachineInstr *OrigMI,
// We can't remat physreg uses, unless it is a constant.
if (TargetRegisterInfo::isPhysicalRegister(MO.getReg())) {
if (MRI.isConstantPhysReg(MO.getReg(), *OrigMI->getParent()->getParent()))
if (MRI.isConstantPhysReg(MO.getReg()))
continue;
return false;
}

2
lib/CodeGen/MachineCSE.cpp
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@ -227,7 +227,7 @@ bool MachineCSE::hasLivePhysRegDefUses(const MachineInstr *MI,
if (TargetRegisterInfo::isVirtualRegister(Reg))
continue;
// Reading constant physregs is ok.
if (!MRI->isConstantPhysReg(Reg, *MBB->getParent()))
if (!MRI->isConstantPhysReg(Reg))
for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI)
PhysRefs.insert(*AI);
}

2
lib/CodeGen/MachineLICM.cpp
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@ -895,7 +895,7 @@ bool MachineLICM::IsLoopInvariantInst(MachineInstr &I) {
// If the physreg has no defs anywhere, it's just an ambient register
// and we can freely move its uses. Alternatively, if it's allocatable,
// it could get allocated to something with a def during allocation.
if (!MRI->isConstantPhysReg(Reg, *I.getParent()->getParent()))
if (!MRI->isConstantPhysReg(Reg))
return false;
// Otherwise it's safe to move.
continue;

3
lib/CodeGen/MachineRegisterInfo.cpp
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@ -468,8 +468,7 @@ void MachineRegisterInfo::freezeReservedRegs(const MachineFunction &MF) {
"Invalid ReservedRegs vector from target");
}
bool MachineRegisterInfo::isConstantPhysReg(unsigned PhysReg,
const MachineFunction &MF) const {
bool MachineRegisterInfo::isConstantPhysReg(unsigned PhysReg) const {
assert(TargetRegisterInfo::isPhysicalRegister(PhysReg));
const TargetRegisterInfo *TRI = getTargetRegisterInfo();

2
lib/CodeGen/MachineSink.cpp
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@ -636,7 +636,7 @@ MachineSinking::FindSuccToSinkTo(MachineInstr &MI, MachineBasicBlock *MBB,
// If the physreg has no defs anywhere, it's just an ambient register
// and we can freely move its uses. Alternatively, if it's allocatable,
// it could get allocated to something with a def during allocation.
if (!MRI->isConstantPhysReg(Reg, *MBB->getParent()))
if (!MRI->isConstantPhysReg(Reg))
return nullptr;
} else if (!MO.isDead()) {
// A def that isn't dead. We can't move it.

2
lib/CodeGen/TargetInstrInfo.cpp
View File

@ -884,7 +884,7 @@ bool TargetInstrInfo::isReallyTriviallyReMaterializableGeneric(
// If the physreg has no defs anywhere, it's just an ambient register
// and we can freely move its uses. Alternatively, if it's allocatable,
// it could get allocated to something with a def during allocation.
if (!MRI.isConstantPhysReg(Reg, MF))
if (!MRI.isConstantPhysReg(Reg))
return false;
} else {
// A physreg def. We can't remat it.