Mips: Don't store MachineFunction in MipsFunctionInfo

It will soon be disallowed to depend on MachineFunction state on
construction.

llvm/lib/Target/Mips/Mips16ISelDAGToDAG.cpp

@@ -72,7 +72,7 @@ void Mips16DAGToDAGISel::initGlobalBaseReg(MachineFunction &MF) {
   MachineRegisterInfo &RegInfo = MF.getRegInfo();
   const TargetInstrInfo &TII = *Subtarget->getInstrInfo();
   DebugLoc DL;
-  Register V0, V1, V2, GlobalBaseReg = MipsFI->getGlobalBaseReg();
+  Register V0, V1, V2, GlobalBaseReg = MipsFI->getGlobalBaseReg(MF);
   const TargetRegisterClass *RC = &Mips::CPU16RegsRegClass;
 
   V0 = RegInfo.createVirtualRegister(RC);

llvm/lib/Target/Mips/Mips16ISelLowering.cpp

@@ -492,7 +492,7 @@ getOpndList(SmallVectorImpl<SDValue> &Ops,
       ExternalSymbolSDNode *S = cast<ExternalSymbolSDNode>(JumpTarget);
       JumpTarget = getAddrGlobal(S, CLI.DL, JumpTarget.getValueType(), DAG,
                                  MipsII::MO_GOT, Chain,
-                                 FuncInfo->callPtrInfo(S->getSymbol()));
+                                 FuncInfo->callPtrInfo(MF, S->getSymbol()));
     } else
       RegsToPass.push_front(std::make_pair((unsigned)Mips::T9, Callee));
   }

llvm/lib/Target/Mips/MipsCallLowering.cpp

@@ -593,7 +593,7 @@ bool MipsCallLowering::lowerCall(MachineIRBuilder &MIRBuilder,
   if (IsCalleeGlobalPIC) {
     MIRBuilder.buildCopy(
       Register(Mips::GP),
-      MF.getInfo<MipsFunctionInfo>()->getGlobalBaseRegForGlobalISel());
+      MF.getInfo<MipsFunctionInfo>()->getGlobalBaseRegForGlobalISel(MF));
     MIB.addDef(Mips::GP, RegState::Implicit);
   }
   MIRBuilder.insertInstr(MIB);

llvm/lib/Target/Mips/MipsFastISel.cpp

@@ -420,7 +420,7 @@ unsigned MipsFastISel::materializeGV(const GlobalValue *GV, MVT VT) {
   if (IsThreadLocal)
     return 0;
   emitInst(Mips::LW, DestReg)
-      .addReg(MFI->getGlobalBaseReg())
+      .addReg(MFI->getGlobalBaseReg(*MF))
       .addGlobalAddress(GV, 0, MipsII::MO_GOT);
   if ((GV->hasInternalLinkage() ||
        (GV->hasLocalLinkage() && !isa<Function>(GV)))) {
@@ -437,7 +437,7 @@ unsigned MipsFastISel::materializeExternalCallSym(MCSymbol *Sym) {
   const TargetRegisterClass *RC = &Mips::GPR32RegClass;
   unsigned DestReg = createResultReg(RC);
   emitInst(Mips::LW, DestReg)
-      .addReg(MFI->getGlobalBaseReg())
+      .addReg(MFI->getGlobalBaseReg(*MF))
       .addSym(Sym, MipsII::MO_GOT);
   return DestReg;
 }

llvm/lib/Target/Mips/MipsISelDAGToDAG.cpp

@@ -65,7 +65,7 @@ bool MipsDAGToDAGISel::runOnMachineFunction(MachineFunction &MF) {
 /// getGlobalBaseReg - Output the instructions required to put the
 /// GOT address into a register.
 SDNode *MipsDAGToDAGISel::getGlobalBaseReg() {
-  Register GlobalBaseReg = MF->getInfo<MipsFunctionInfo>()->getGlobalBaseReg();
+  Register GlobalBaseReg = MF->getInfo<MipsFunctionInfo>()->getGlobalBaseReg(*MF);
   return CurDAG->getRegister(GlobalBaseReg, getTargetLowering()->getPointerTy(
                                                 CurDAG->getDataLayout()))
       .getNode();

llvm/lib/Target/Mips/MipsISelLowering.cpp

@@ -142,8 +142,9 @@ unsigned MipsTargetLowering::getVectorTypeBreakdownForCallingConv(
 }
 
 SDValue MipsTargetLowering::getGlobalReg(SelectionDAG &DAG, EVT Ty) const {
-  MipsFunctionInfo *FI = DAG.getMachineFunction().getInfo<MipsFunctionInfo>();
+  MachineFunction &MF = DAG.getMachineFunction();
-  return DAG.getRegister(FI->getGlobalBaseReg(), Ty);
+  MipsFunctionInfo *FI = MF.getInfo<MipsFunctionInfo>();
+  return DAG.getRegister(FI->getGlobalBaseReg(MF), Ty);
 }
 
 SDValue MipsTargetLowering::getTargetNode(GlobalAddressSDNode *N, EVT Ty,
@@ -3420,11 +3421,11 @@ MipsTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
       else if (Subtarget.useXGOT()) {
         Callee = getAddrGlobalLargeGOT(G, DL, Ty, DAG, MipsII::MO_CALL_HI16,
                                        MipsII::MO_CALL_LO16, Chain,
-                                       FuncInfo->callPtrInfo(Val));
+                                       FuncInfo->callPtrInfo(MF, Val));
         IsCallReloc = true;
       } else {
         Callee = getAddrGlobal(G, DL, Ty, DAG, MipsII::MO_GOT_CALL, Chain,
-                               FuncInfo->callPtrInfo(Val));
+                               FuncInfo->callPtrInfo(MF, Val));
         IsCallReloc = true;
       }
     } else
@@ -3442,11 +3443,11 @@ MipsTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
     else if (Subtarget.useXGOT()) {
       Callee = getAddrGlobalLargeGOT(S, DL, Ty, DAG, MipsII::MO_CALL_HI16,
                                      MipsII::MO_CALL_LO16, Chain,
-                                     FuncInfo->callPtrInfo(Sym));
+                                     FuncInfo->callPtrInfo(MF, Sym));
       IsCallReloc = true;
     } else { // PIC
       Callee = getAddrGlobal(S, DL, Ty, DAG, MipsII::MO_GOT_CALL, Chain,
-                             FuncInfo->callPtrInfo(Sym));
+                             FuncInfo->callPtrInfo(MF, Sym));
       IsCallReloc = true;
     }
 

llvm/lib/Target/Mips/MipsInstructionSelector.cpp

@@ -404,7 +404,7 @@ bool MipsInstructionSelector::select(MachineInstr &I) {
                                .addDef(Dest)
                                .addUse(DestTmp)
                                .addUse(MF.getInfo<MipsFunctionInfo>()
-                                           ->getGlobalBaseRegForGlobalISel());
+                                           ->getGlobalBaseRegForGlobalISel(MF));
       if (!constrainSelectedInstRegOperands(*ADDu, TII, TRI, RBI))
         return false;
     }
@@ -669,7 +669,7 @@ bool MipsInstructionSelector::select(MachineInstr &I) {
       MachineInstr *LWGOT = BuildMI(MBB, I, I.getDebugLoc(), TII.get(Mips::LW))
                                 .addDef(I.getOperand(0).getReg())
                                 .addReg(MF.getInfo<MipsFunctionInfo>()
-                                            ->getGlobalBaseRegForGlobalISel())
+                                            ->getGlobalBaseRegForGlobalISel(MF))
                                 .addGlobalAddress(GVal);
       // Global Values that don't have local linkage are handled differently
       // when they are part of call sequence. MipsCallLowering::lowerCall
@@ -725,7 +725,7 @@ bool MipsInstructionSelector::select(MachineInstr &I) {
       MI = BuildMI(MBB, I, I.getDebugLoc(), TII.get(Mips::LW))
                .addDef(I.getOperand(0).getReg())
                .addReg(MF.getInfo<MipsFunctionInfo>()
-                           ->getGlobalBaseRegForGlobalISel())
+                           ->getGlobalBaseRegForGlobalISel(MF))
                .addJumpTableIndex(I.getOperand(1).getIndex(), MipsII::MO_GOT)
                .addMemOperand(MF.getMachineMemOperand(
                    MachinePointerInfo::getGOT(MF), MachineMemOperand::MOLoad, 4,

llvm/lib/Target/Mips/MipsMachineFunction.cpp

@@ -44,22 +44,22 @@ static const TargetRegisterClass &getGlobalBaseRegClass(MachineFunction &MF) {
   return Mips::GPR32RegClass;
 }
 
-Register MipsFunctionInfo::getGlobalBaseReg() {
+Register MipsFunctionInfo::getGlobalBaseReg(MachineFunction &MF) {
   if (!GlobalBaseReg)
     GlobalBaseReg =
         MF.getRegInfo().createVirtualRegister(&getGlobalBaseRegClass(MF));
   return GlobalBaseReg;
 }
 
-Register MipsFunctionInfo::getGlobalBaseRegForGlobalISel() {
+Register MipsFunctionInfo::getGlobalBaseRegForGlobalISel(MachineFunction &MF) {
   if (!GlobalBaseReg) {
-    getGlobalBaseReg();
+    getGlobalBaseReg(MF);
-    initGlobalBaseReg();
+    initGlobalBaseReg(MF);
   }
   return GlobalBaseReg;
 }
 
-void MipsFunctionInfo::initGlobalBaseReg() {
+void MipsFunctionInfo::initGlobalBaseReg(MachineFunction &MF) {
   if (!GlobalBaseReg)
     return;
 
@@ -146,7 +146,7 @@ void MipsFunctionInfo::initGlobalBaseReg() {
       .addReg(Mips::V0).addReg(Mips::T9);
 }
 
-void MipsFunctionInfo::createEhDataRegsFI() {
+void MipsFunctionInfo::createEhDataRegsFI(MachineFunction &MF) {
   const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo();
   for (int I = 0; I < 4; ++I) {
     const TargetRegisterClass &RC =
@@ -159,7 +159,7 @@ void MipsFunctionInfo::createEhDataRegsFI() {
   }
 }
 
-void MipsFunctionInfo::createISRRegFI() {
+void MipsFunctionInfo::createISRRegFI(MachineFunction &MF) {
   // ISRs require spill slots for Status & ErrorPC Coprocessor 0 registers.
   // The current implementation only supports Mips32r2+ not Mips64rX. Status
   // is always 32 bits, ErrorPC is 32 or 64 bits dependent on architecture,
@@ -180,15 +180,18 @@ bool MipsFunctionInfo::isEhDataRegFI(int FI) const {
 bool MipsFunctionInfo::isISRRegFI(int FI) const {
   return IsISR && (FI == ISRDataRegFI[0] || FI == ISRDataRegFI[1]);
 }
-MachinePointerInfo MipsFunctionInfo::callPtrInfo(const char *ES) {
+MachinePointerInfo MipsFunctionInfo::callPtrInfo(MachineFunction &MF,
+                                                 const char *ES) {
   return MachinePointerInfo(MF.getPSVManager().getExternalSymbolCallEntry(ES));
 }
 
-MachinePointerInfo MipsFunctionInfo::callPtrInfo(const GlobalValue *GV) {
+MachinePointerInfo MipsFunctionInfo::callPtrInfo(MachineFunction &MF,
+                                                 const GlobalValue *GV) {
   return MachinePointerInfo(MF.getPSVManager().getGlobalValueCallEntry(GV));
 }
 
-int MipsFunctionInfo::getMoveF64ViaSpillFI(const TargetRegisterClass *RC) {
+int MipsFunctionInfo::getMoveF64ViaSpillFI(MachineFunction &MF,
+                                           const TargetRegisterClass *RC) {
   const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo();
   if (MoveF64ViaSpillFI == -1) {
     MoveF64ViaSpillFI = MF.getFrameInfo().CreateStackObject(

llvm/lib/Target/Mips/MipsMachineFunction.h

@@ -24,7 +24,7 @@ namespace llvm {
 /// Mips target-specific information for each MachineFunction.
 class MipsFunctionInfo : public MachineFunctionInfo {
 public:
-  MipsFunctionInfo(MachineFunction &MF) : MF(MF) {}
+  MipsFunctionInfo(MachineFunction &MF) {}
 
   ~MipsFunctionInfo() override;
 
@@ -32,12 +32,12 @@ public:
   void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
 
   bool globalBaseRegSet() const;
-  Register getGlobalBaseReg();
+  Register getGlobalBaseReg(MachineFunction &MF);
-  Register getGlobalBaseRegForGlobalISel();
+  Register getGlobalBaseRegForGlobalISel(MachineFunction &MF);
 
   // Insert instructions to initialize the global base register in the
   // first MBB of the function.
-  void initGlobalBaseReg();
+  void initGlobalBaseReg(MachineFunction &MF);
 
   int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
   void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
@@ -53,30 +53,30 @@ public:
   bool callsEhReturn() const { return CallsEhReturn; }
   void setCallsEhReturn() { CallsEhReturn = true; }
 
-  void createEhDataRegsFI();
+  void createEhDataRegsFI(MachineFunction &MF);
   int getEhDataRegFI(unsigned Reg) const { return EhDataRegFI[Reg]; }
   bool isEhDataRegFI(int FI) const;
 
   /// Create a MachinePointerInfo that has an ExternalSymbolPseudoSourceValue
   /// object representing a GOT entry for an external function.
-  MachinePointerInfo callPtrInfo(const char *ES);
+  MachinePointerInfo callPtrInfo(MachineFunction &MF, const char *ES);
 
   // Functions with the "interrupt" attribute require special prologues,
   // epilogues and additional spill slots.
   bool isISR() const { return IsISR; }
   void setISR() { IsISR = true; }
-  void createISRRegFI();
+  void createISRRegFI(MachineFunction &MF);
   int getISRRegFI(Register Reg) const { return ISRDataRegFI[Reg]; }
   bool isISRRegFI(int FI) const;
 
   /// Create a MachinePointerInfo that has a GlobalValuePseudoSourceValue object
   /// representing a GOT entry for a global function.
-  MachinePointerInfo callPtrInfo(const GlobalValue *GV);
+  MachinePointerInfo callPtrInfo(MachineFunction &MF, const GlobalValue *GV);
 
   void setSaveS2() { SaveS2 = true; }
   bool hasSaveS2() const { return SaveS2; }
 
-  int getMoveF64ViaSpillFI(const TargetRegisterClass *RC);
+  int getMoveF64ViaSpillFI(MachineFunction &MF, const TargetRegisterClass *RC);
 
   std::map<const char *, const Mips16HardFloatInfo::FuncSignature *>
   StubsNeeded;
@@ -84,8 +84,6 @@ public:
 private:
   virtual void anchor();
 
-  MachineFunction& MF;
-
   /// SRetReturnReg - Some subtargets require that sret lowering includes
   /// returning the value of the returned struct in a register. This field
   /// holds the virtual register into which the sret argument is passed.

llvm/lib/Target/Mips/MipsSEFrameLowering.cpp

@@ -320,7 +320,7 @@ bool ExpandPseudo::expandBuildPairF64(MachineBasicBlock &MBB,
 
     // We re-use the same spill slot each time so that the stack frame doesn't
     // grow too much in functions with a large number of moves.
-    int FI = MF.getInfo<MipsFunctionInfo>()->getMoveF64ViaSpillFI(RC2);
+    int FI = MF.getInfo<MipsFunctionInfo>()->getMoveF64ViaSpillFI(MF, RC2);
     if (!Subtarget.isLittle())
       std::swap(LoReg, HiReg);
     TII.storeRegToStack(MBB, I, LoReg, I->getOperand(1).isKill(), FI, RC,
@@ -386,7 +386,7 @@ bool ExpandPseudo::expandExtractElementF64(MachineBasicBlock &MBB,
 
     // We re-use the same spill slot each time so that the stack frame doesn't
     // grow too much in functions with a large number of moves.
-    int FI = MF.getInfo<MipsFunctionInfo>()->getMoveF64ViaSpillFI(RC);
+    int FI = MF.getInfo<MipsFunctionInfo>()->getMoveF64ViaSpillFI(MF, RC);
     TII.storeRegToStack(MBB, I, SrcReg, Op1.isKill(), FI, RC, &RegInfo, 0);
     TII.loadRegFromStack(MBB, I, DstReg, FI, RC2, &RegInfo, Offset);
     return true;
@@ -878,11 +878,11 @@ void MipsSEFrameLowering::determineCalleeSaves(MachineFunction &MF,
 
   // Create spill slots for eh data registers if function calls eh_return.
   if (MipsFI->callsEhReturn())
-    MipsFI->createEhDataRegsFI();
+    MipsFI->createEhDataRegsFI(MF);
 
   // Create spill slots for Coprocessor 0 registers if function is an ISR.
   if (MipsFI->isISR())
-    MipsFI->createISRRegFI();
+    MipsFI->createISRRegFI(MF);
 
   // Expand pseudo instructions which load, store or copy accumulators.
   // Add an emergency spill slot if a pseudo was expanded.

llvm/lib/Target/Mips/MipsSEISelDAGToDAG.cpp

@@ -153,7 +153,7 @@ void MipsSEDAGToDAGISel::emitMCountABI(MachineInstr &MI, MachineBasicBlock &MBB,
 }
 
 void MipsSEDAGToDAGISel::processFunctionAfterISel(MachineFunction &MF) {
-  MF.getInfo<MipsFunctionInfo>()->initGlobalBaseReg();
+  MF.getInfo<MipsFunctionInfo>()->initGlobalBaseReg(MF);
 
   MachineRegisterInfo *MRI = &MF.getRegInfo();