[CodeGen] Do not pass MF into MachineRegisterInfo methods. NFC. (#84770)

MachineRegisterInfo already knows the MF so there is no need to pass it
in as an argument.

llvm/include/llvm/CodeGen/MachineRegisterInfo.h

@@ -244,14 +244,13 @@ public:
   bool isUpdatedCSRsInitialized() const { return IsUpdatedCSRsInitialized; }
 
   /// Returns true if a register can be used as an argument to a function.
-  bool isArgumentRegister(const MachineFunction &MF, MCRegister Reg) const;
+  bool isArgumentRegister(MCRegister Reg) const;
 
   /// Returns true if a register is a fixed register.
-  bool isFixedRegister(const MachineFunction &MF, MCRegister Reg) const;
+  bool isFixedRegister(MCRegister Reg) const;
 
   /// Returns true if a register is a general purpose register.
-  bool isGeneralPurposeRegister(const MachineFunction &MF,
-                                MCRegister Reg) const;
+  bool isGeneralPurposeRegister(MCRegister Reg) const;
 
   /// Disables the register from the list of CSRs.
   /// I.e. the register will not appear as part of the CSR mask.
@@ -930,7 +929,7 @@ public:
 
   /// freezeReservedRegs - Called by the register allocator to freeze the set
   /// of reserved registers before allocation begins.
-  void freezeReservedRegs(const MachineFunction&);
+  void freezeReservedRegs();
 
   /// reserveReg -- Mark a register as reserved so checks like isAllocatable 
   /// will not suggest using it. This should not be used during the middle

llvm/lib/CodeGen/MIRParser/MIRParser.cpp

@@ -574,7 +574,7 @@ MIRParserImpl::initializeMachineFunction(const yaml::MachineFunction &YamlMF,
   // FIXME: This is a temporary workaround until the reserved registers can be
   // serialized.
   MachineRegisterInfo &MRI = MF.getRegInfo();
-  MRI.freezeReservedRegs(MF);
+  MRI.freezeReservedRegs();
 
   computeFunctionProperties(MF);
 

llvm/lib/CodeGen/MachineOutliner.cpp

@@ -759,7 +759,7 @@ MachineFunction *MachineOutliner::createOutlinedFunction(
   MF.getProperties().set(MachineFunctionProperties::Property::NoPHIs);
   MF.getProperties().set(MachineFunctionProperties::Property::NoVRegs);
   MF.getProperties().set(MachineFunctionProperties::Property::TracksLiveness);
-  MF.getRegInfo().freezeReservedRegs(MF);
+  MF.getRegInfo().freezeReservedRegs();
 
   // Compute live-in set for outlined fn
   const MachineRegisterInfo &MRI = MF.getRegInfo();

llvm/lib/CodeGen/MachineRegisterInfo.cpp

@@ -517,8 +517,8 @@ LLVM_DUMP_METHOD void MachineRegisterInfo::dumpUses(Register Reg) const {
 }
 #endif
 
-void MachineRegisterInfo::freezeReservedRegs(const MachineFunction &MF) {
-  ReservedRegs = getTargetRegisterInfo()->getReservedRegs(MF);
+void MachineRegisterInfo::freezeReservedRegs() {
+  ReservedRegs = getTargetRegisterInfo()->getReservedRegs(*MF);
   assert(ReservedRegs.size() == getTargetRegisterInfo()->getNumRegs() &&
          "Invalid ReservedRegs vector from target");
 }
@@ -660,17 +660,14 @@ bool MachineRegisterInfo::isReservedRegUnit(unsigned Unit) const {
   return false;
 }
 
-bool MachineRegisterInfo::isArgumentRegister(const MachineFunction &MF,
-                                             MCRegister Reg) const {
-  return getTargetRegisterInfo()->isArgumentRegister(MF, Reg);
+bool MachineRegisterInfo::isArgumentRegister(MCRegister Reg) const {
+  return getTargetRegisterInfo()->isArgumentRegister(*MF, Reg);
 }
 
-bool MachineRegisterInfo::isFixedRegister(const MachineFunction &MF,
-                                          MCRegister Reg) const {
-  return getTargetRegisterInfo()->isFixedRegister(MF, Reg);
+bool MachineRegisterInfo::isFixedRegister(MCRegister Reg) const {
+  return getTargetRegisterInfo()->isFixedRegister(*MF, Reg);
 }
 
-bool MachineRegisterInfo::isGeneralPurposeRegister(const MachineFunction &MF,
-                                                   MCRegister Reg) const {
-  return getTargetRegisterInfo()->isGeneralPurposeRegister(MF, Reg);
+bool MachineRegisterInfo::isGeneralPurposeRegister(MCRegister Reg) const {
+  return getTargetRegisterInfo()->isGeneralPurposeRegister(*MF, Reg);
 }

llvm/lib/CodeGen/RegAllocBase.cpp

@@ -61,7 +61,7 @@ void RegAllocBase::init(VirtRegMap &vrm, LiveIntervals &lis,
   VRM = &vrm;
   LIS = &lis;
   Matrix = &mat;
-  MRI->freezeReservedRegs(vrm.getMachineFunction());
+  MRI->freezeReservedRegs();
   RegClassInfo.runOnMachineFunction(vrm.getMachineFunction());
 }
 

llvm/lib/CodeGen/RegAllocFast.cpp

@@ -1740,7 +1740,7 @@ bool RegAllocFast::runOnMachineFunction(MachineFunction &MF) {
   TRI = STI.getRegisterInfo();
   TII = STI.getInstrInfo();
   MFI = &MF.getFrameInfo();
-  MRI->freezeReservedRegs(MF);
+  MRI->freezeReservedRegs();
   RegClassInfo.runOnMachineFunction(MF);
   unsigned NumRegUnits = TRI->getNumRegUnits();
   UsedInInstr.clear();

llvm/lib/CodeGen/RegAllocPBQP.cpp

@@ -809,7 +809,7 @@ bool RegAllocPBQP::runOnMachineFunction(MachineFunction &MF) {
   std::unique_ptr<Spiller> VRegSpiller(
       createInlineSpiller(*this, MF, VRM, DefaultVRAI));
 
-  MF.getRegInfo().freezeReservedRegs(MF);
+  MF.getRegInfo().freezeReservedRegs();
 
   LLVM_DEBUG(dbgs() << "PBQP Register Allocating for " << MF.getName() << "\n");
 

llvm/lib/CodeGen/TargetLoweringBase.cpp

@@ -2336,7 +2336,7 @@ bool TargetLoweringBase::isLoadBitCastBeneficial(
 }
 
 void TargetLoweringBase::finalizeLowering(MachineFunction &MF) const {
-  MF.getRegInfo().freezeReservedRegs(MF);
+  MF.getRegInfo().freezeReservedRegs();
 }
 
 MachineMemOperand::Flags TargetLoweringBase::getLoadMemOperandFlags(

llvm/lib/Target/AArch64/AArch64LowerHomogeneousPrologEpilog.cpp

@@ -183,7 +183,7 @@ static MachineFunction &createFrameHelperMachineFunction(Module *M,
   MF.getProperties().reset(MachineFunctionProperties::Property::TracksLiveness);
   MF.getProperties().reset(MachineFunctionProperties::Property::IsSSA);
   MF.getProperties().set(MachineFunctionProperties::Property::NoVRegs);
-  MF.getRegInfo().freezeReservedRegs(MF);
+  MF.getRegInfo().freezeReservedRegs();
 
   // Create entry block.
   BasicBlock *EntryBB = BasicBlock::Create(C, "entry", F);

llvm/lib/Target/AMDGPU/SIPreAllocateWWMRegs.cpp

@@ -156,7 +156,7 @@ void SIPreAllocateWWMRegs::rewriteRegs(MachineFunction &MF) {
   RegsToRewrite.clear();
 
   // Update the set of reserved registers to include WWM ones.
-  MRI->freezeReservedRegs(MF);
+  MRI->freezeReservedRegs();
 }
 
 #ifndef NDEBUG

llvm/tools/llvm-exegesis/lib/Assembler.cpp

@@ -305,7 +305,7 @@ Error assembleToStream(const ExegesisTarget &ET,
 
   // prologue/epilogue pass needs the reserved registers to be frozen, this
   // is usually done by the SelectionDAGISel pass.
-  MF.getRegInfo().freezeReservedRegs(MF);
+  MF.getRegInfo().freezeReservedRegs();
 
   // We create the pass manager, run the passes to populate AsmBuffer.
   MCContext &MCContext = MMIWP->getMMI().getContext();

llvm/tools/llvm-reduce/ReducerWorkItem.cpp

@@ -414,7 +414,7 @@ static std::unique_ptr<MachineFunction> cloneMF(MachineFunction *SrcMF,
   if (!DstMF->cloneInfoFrom(*SrcMF, Src2DstMBB))
     report_fatal_error("target does not implement MachineFunctionInfo cloning");
 
-  DstMRI->freezeReservedRegs(*DstMF);
+  DstMRI->freezeReservedRegs();
 
   DstMF->verify(nullptr, "", /*AbortOnError=*/true);
   return DstMF;