[llvm] r213425 - Make InstrInfo depend only upon the Subtarget getting passed in

Eric Christopher echristo at gmail.com
Fri Jul 18 16:25:01 PDT 2014


Author: echristo
Date: Fri Jul 18 18:25:00 2014
New Revision: 213425

URL: http://llvm.org/viewvc/llvm-project?rev=213425&view=rev
Log:
Make InstrInfo depend only upon the Subtarget getting passed in
rather than the TargetMachine.

Modified:
    llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp
    llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h
    llvm/trunk/lib/Target/Mips/MipsInstrInfo.cpp
    llvm/trunk/lib/Target/Mips/MipsInstrInfo.h
    llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.cpp
    llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.h
    llvm/trunk/lib/Target/Mips/MipsSubtarget.cpp

Modified: llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp?rev=213425&r1=213424&r2=213425&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp Fri Jul 18 18:25:00 2014
@@ -31,9 +31,8 @@ using namespace llvm;
 
 #define DEBUG_TYPE "mips16-instrinfo"
 
-Mips16InstrInfo::Mips16InstrInfo(MipsTargetMachine &tm)
-  : MipsInstrInfo(tm, Mips::Bimm16),
-    RI(*tm.getSubtargetImpl()) {}
+Mips16InstrInfo::Mips16InstrInfo(const MipsSubtarget &STI)
+    : MipsInstrInfo(STI, Mips::Bimm16), RI(STI) {}
 
 const MipsRegisterInfo &Mips16InstrInfo::getRegisterInfo() const {
   return RI;
@@ -450,8 +449,8 @@ void Mips16InstrInfo::BuildAddiuSpImm
   BuildMI(MBB, I, DL, AddiuSpImm(Imm)).addImm(Imm);
 }
 
-const MipsInstrInfo *llvm::createMips16InstrInfo(MipsTargetMachine &TM) {
-  return new Mips16InstrInfo(TM);
+const MipsInstrInfo *llvm::createMips16InstrInfo(const MipsSubtarget &STI) {
+  return new Mips16InstrInfo(STI);
 }
 
 bool Mips16InstrInfo::validImmediate(unsigned Opcode, unsigned Reg,

Modified: llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h?rev=213425&r1=213424&r2=213425&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h (original)
+++ llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h Fri Jul 18 18:25:00 2014
@@ -23,7 +23,7 @@ class Mips16InstrInfo : public MipsInstr
   const Mips16RegisterInfo RI;
 
 public:
-  explicit Mips16InstrInfo(MipsTargetMachine &TM);
+  explicit Mips16InstrInfo(const MipsSubtarget &STI);
 
   const MipsRegisterInfo &getRegisterInfo() const override;
 

Modified: llvm/trunk/lib/Target/Mips/MipsInstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrInfo.cpp?rev=213425&r1=213424&r2=213425&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.cpp Fri Jul 18 18:25:00 2014
@@ -30,15 +30,15 @@ using namespace llvm;
 // Pin the vtable to this file.
 void MipsInstrInfo::anchor() {}
 
-MipsInstrInfo::MipsInstrInfo(MipsTargetMachine &tm, unsigned UncondBr)
-  : MipsGenInstrInfo(Mips::ADJCALLSTACKDOWN, Mips::ADJCALLSTACKUP),
-    TM(tm), UncondBrOpc(UncondBr) {}
-
-const MipsInstrInfo *MipsInstrInfo::create(MipsTargetMachine &TM) {
-  if (TM.getSubtargetImpl()->inMips16Mode())
-    return llvm::createMips16InstrInfo(TM);
+MipsInstrInfo::MipsInstrInfo(const MipsSubtarget &STI, unsigned UncondBr)
+    : MipsGenInstrInfo(Mips::ADJCALLSTACKDOWN, Mips::ADJCALLSTACKUP),
+      Subtarget(STI), UncondBrOpc(UncondBr) {}
+
+const MipsInstrInfo *MipsInstrInfo::create(MipsSubtarget &STI) {
+  if (STI.inMips16Mode())
+    return llvm::createMips16InstrInfo(STI);
 
-  return llvm::createMipsSEInstrInfo(TM);
+  return llvm::createMipsSEInstrInfo(STI);
 }
 
 bool MipsInstrInfo::isZeroImm(const MachineOperand &op) const {
@@ -156,7 +156,7 @@ unsigned MipsInstrInfo::RemoveBranch(Mac
 
   // Up to 2 branches are removed.
   // Note that indirect branches are not removed.
-  for(removed = 0; I != REnd && removed < 2; ++I, ++removed)
+  for (removed = 0; I != REnd && removed < 2; ++I, ++removed)
     if (!getAnalyzableBrOpc(I->getOpcode()))
       break;
 

Modified: llvm/trunk/lib/Target/Mips/MipsInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrInfo.h?rev=213425&r1=213424&r2=213425&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.h (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.h Fri Jul 18 18:25:00 2014
@@ -33,7 +33,7 @@ namespace llvm {
 class MipsInstrInfo : public MipsGenInstrInfo {
   virtual void anchor();
 protected:
-  MipsTargetMachine &TM;
+  const MipsSubtarget &Subtarget;
   unsigned UncondBrOpc;
 
 public:
@@ -46,9 +46,9 @@ public:
     BT_Indirect    // One indirct branch.
   };
 
-  explicit MipsInstrInfo(MipsTargetMachine &TM, unsigned UncondBrOpc);
+  explicit MipsInstrInfo(const MipsSubtarget &STI, unsigned UncondBrOpc);
 
-  static const MipsInstrInfo *create(MipsTargetMachine &TM);
+  static const MipsInstrInfo *create(MipsSubtarget &STI);
 
   /// Branch Analysis
   bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
@@ -140,8 +140,8 @@ private:
 };
 
 /// Create MipsInstrInfo objects.
-const MipsInstrInfo *createMips16InstrInfo(MipsTargetMachine &TM);
-const MipsInstrInfo *createMipsSEInstrInfo(MipsTargetMachine &TM);
+const MipsInstrInfo *createMips16InstrInfo(const MipsSubtarget &STI);
+const MipsInstrInfo *createMipsSEInstrInfo(const MipsSubtarget &STI);
 
 }
 

Modified: llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.cpp?rev=213425&r1=213424&r2=213425&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.cpp Fri Jul 18 18:25:00 2014
@@ -24,11 +24,10 @@
 
 using namespace llvm;
 
-MipsSEInstrInfo::MipsSEInstrInfo(MipsTargetMachine &tm)
-  : MipsInstrInfo(tm,
-                  tm.getRelocationModel() == Reloc::PIC_ ? Mips::B : Mips::J),
-    RI(*tm.getSubtargetImpl()),
-    IsN64(tm.getSubtarget<MipsSubtarget>().isABI_N64()) {}
+MipsSEInstrInfo::MipsSEInstrInfo(const MipsSubtarget &STI)
+    : MipsInstrInfo(STI, STI.getRelocationModel() == Reloc::PIC_ ? Mips::B
+                                                                 : Mips::J),
+      RI(STI), IsN64(STI.isABI_N64()) {}
 
 const MipsRegisterInfo &MipsSEInstrInfo::getRegisterInfo() const {
   return RI;
@@ -84,7 +83,7 @@ void MipsSEInstrInfo::copyPhysReg(Machin
                                   unsigned DestReg, unsigned SrcReg,
                                   bool KillSrc) const {
   unsigned Opc = 0, ZeroReg = 0;
-  bool isMicroMips = TM.getSubtarget<MipsSubtarget>().inMicroMipsMode();
+  bool isMicroMips = Subtarget.inMicroMipsMode();
 
   if (Mips::GPR32RegClass.contains(DestReg)) { // Copy to CPU Reg.
     if (Mips::GPR32RegClass.contains(SrcReg)) {
@@ -265,7 +264,7 @@ loadRegFromStack(MachineBasicBlock &MBB,
 
 bool MipsSEInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
   MachineBasicBlock &MBB = *MI->getParent();
-  bool isMicroMips = TM.getSubtarget<MipsSubtarget>().inMicroMipsMode();
+  bool isMicroMips = Subtarget.inMicroMipsMode();
   unsigned Opc;
 
   switch(MI->getDesc().getOpcode()) {
@@ -360,7 +359,7 @@ unsigned MipsSEInstrInfo::getOppositeBra
 void MipsSEInstrInfo::adjustStackPtr(unsigned SP, int64_t Amount,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const {
-  const MipsSubtarget &STI = TM.getSubtarget<MipsSubtarget>();
+  const MipsSubtarget &STI = Subtarget;
   DebugLoc DL = I != MBB.end() ? I->getDebugLoc() : DebugLoc();
   unsigned ADDu = STI.isABI_N64() ? Mips::DADDu : Mips::ADDu;
   unsigned ADDiu = STI.isABI_N64() ? Mips::DADDiu : Mips::ADDiu;
@@ -380,7 +379,7 @@ MipsSEInstrInfo::loadImmediate(int64_t I
                                MachineBasicBlock::iterator II, DebugLoc DL,
                                unsigned *NewImm) const {
   MipsAnalyzeImmediate AnalyzeImm;
-  const MipsSubtarget &STI = TM.getSubtarget<MipsSubtarget>();
+  const MipsSubtarget &STI = Subtarget;
   MachineRegisterInfo &RegInfo = MBB.getParent()->getRegInfo();
   unsigned Size = STI.isABI_N64() ? 64 : 32;
   unsigned LUi = STI.isABI_N64() ? Mips::LUi64 : Mips::LUi;
@@ -429,8 +428,6 @@ unsigned MipsSEInstrInfo::getAnalyzableB
 
 void MipsSEInstrInfo::expandRetRA(MachineBasicBlock &MBB,
                                   MachineBasicBlock::iterator I) const {
-  const auto &Subtarget = TM.getSubtarget<MipsSubtarget>();
-
   if (Subtarget.isGP64bit())
     BuildMI(MBB, I, I->getDebugLoc(), get(Mips::PseudoReturn64))
         .addReg(Mips::RA_64);
@@ -512,7 +509,6 @@ void MipsSEInstrInfo::expandCvtFPInt(Mac
 void MipsSEInstrInfo::expandExtractElementF64(MachineBasicBlock &MBB,
                                               MachineBasicBlock::iterator I,
                                               bool FP64) const {
-  const MipsSubtarget &Subtarget = TM.getSubtarget<MipsSubtarget>();
   unsigned DstReg = I->getOperand(0).getReg();
   unsigned SrcReg = I->getOperand(1).getReg();
   unsigned N = I->getOperand(2).getImm();
@@ -552,7 +548,6 @@ void MipsSEInstrInfo::expandExtractEleme
 void MipsSEInstrInfo::expandBuildPairF64(MachineBasicBlock &MBB,
                                          MachineBasicBlock::iterator I,
                                          bool FP64) const {
-  const MipsSubtarget &Subtarget = TM.getSubtarget<MipsSubtarget>();
   unsigned DstReg = I->getOperand(0).getReg();
   unsigned LoReg = I->getOperand(1).getReg(), HiReg = I->getOperand(2).getReg();
   const MCInstrDesc& Mtc1Tdd = get(Mips::MTC1);
@@ -612,28 +607,31 @@ void MipsSEInstrInfo::expandEhReturn(Mac
   // This pseudo instruction is generated as part of the lowering of
   // ISD::EH_RETURN. We convert it to a stack increment by OffsetReg, and
   // indirect jump to TargetReg
-  const MipsSubtarget &STI = TM.getSubtarget<MipsSubtarget>();
-  unsigned ADDU = STI.isABI_N64() ? Mips::DADDu : Mips::ADDu;
-  unsigned SP = STI.isGP64bit() ? Mips::SP_64 : Mips::SP;
-  unsigned RA = STI.isGP64bit() ? Mips::RA_64 : Mips::RA;
-  unsigned T9 = STI.isGP64bit() ? Mips::T9_64 : Mips::T9;
-  unsigned ZERO = STI.isGP64bit() ? Mips::ZERO_64 : Mips::ZERO;
+  unsigned ADDU = Subtarget.isABI_N64() ? Mips::DADDu : Mips::ADDu;
+  unsigned SP = Subtarget.isGP64bit() ? Mips::SP_64 : Mips::SP;
+  unsigned RA = Subtarget.isGP64bit() ? Mips::RA_64 : Mips::RA;
+  unsigned T9 = Subtarget.isGP64bit() ? Mips::T9_64 : Mips::T9;
+  unsigned ZERO = Subtarget.isGP64bit() ? Mips::ZERO_64 : Mips::ZERO;
   unsigned OffsetReg = I->getOperand(0).getReg();
   unsigned TargetReg = I->getOperand(1).getReg();
 
   // addu $ra, $v0, $zero
   // addu $sp, $sp, $v1
   // jr   $ra (via RetRA)
+  const TargetMachine &TM = MBB.getParent()->getTarget();
   if (TM.getRelocationModel() == Reloc::PIC_)
     BuildMI(MBB, I, I->getDebugLoc(), TM.getInstrInfo()->get(ADDU), T9)
-        .addReg(TargetReg).addReg(ZERO);
+        .addReg(TargetReg)
+        .addReg(ZERO);
   BuildMI(MBB, I, I->getDebugLoc(), TM.getInstrInfo()->get(ADDU), RA)
-      .addReg(TargetReg).addReg(ZERO);
+      .addReg(TargetReg)
+      .addReg(ZERO);
   BuildMI(MBB, I, I->getDebugLoc(), TM.getInstrInfo()->get(ADDU), SP)
-      .addReg(SP).addReg(OffsetReg);
+      .addReg(SP)
+      .addReg(OffsetReg);
   expandRetRA(MBB, I);
 }
 
-const MipsInstrInfo *llvm::createMipsSEInstrInfo(MipsTargetMachine &TM) {
-  return new MipsSEInstrInfo(TM);
+const MipsInstrInfo *llvm::createMipsSEInstrInfo(const MipsSubtarget &STI) {
+  return new MipsSEInstrInfo(STI);
 }

Modified: llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.h?rev=213425&r1=213424&r2=213425&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.h (original)
+++ llvm/trunk/lib/Target/Mips/MipsSEInstrInfo.h Fri Jul 18 18:25:00 2014
@@ -24,7 +24,7 @@ class MipsSEInstrInfo : public MipsInstr
   bool IsN64;
 
 public:
-  explicit MipsSEInstrInfo(MipsTargetMachine &TM);
+  explicit MipsSEInstrInfo(const MipsSubtarget &STI);
 
   const MipsRegisterInfo &getRegisterInfo() const override;
 

Modified: llvm/trunk/lib/Target/Mips/MipsSubtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsSubtarget.cpp?rev=213425&r1=213424&r2=213425&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsSubtarget.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsSubtarget.cpp Fri Jul 18 18:25:00 2014
@@ -115,7 +115,7 @@ MipsSubtarget::MipsSubtarget(const std::
       HasDSPR2(false), AllowMixed16_32(Mixed16_32 | Mips_Os16), Os16(Mips_Os16),
       HasMSA(false), OverrideMode(NoOverride), TM(_TM), TargetTriple(TT),
       DL(computeDataLayout(initializeSubtargetDependencies(CPU, FS, TM))),
-      TSInfo(DL), JITInfo(), InstrInfo(MipsInstrInfo::create(*TM)),
+      TSInfo(DL), JITInfo(), InstrInfo(MipsInstrInfo::create(*this)),
       FrameLowering(MipsFrameLowering::create(*TM, *this)),
       TLInfo(MipsTargetLowering::create(*TM)) {
 
@@ -254,7 +254,7 @@ void MipsSubtarget::setHelperClassesMips
   FrameLoweringSE.swap(FrameLowering);
   TLInfoSE.swap(TLInfo);
   if (!InstrInfo16) {
-    InstrInfo.reset(MipsInstrInfo::create(*TM));
+    InstrInfo.reset(MipsInstrInfo::create(*this));
     FrameLowering.reset(MipsFrameLowering::create(*TM, *this));
     TLInfo.reset(MipsTargetLowering::create(*TM));
   } else {
@@ -272,7 +272,7 @@ void MipsSubtarget::setHelperClassesMips
   FrameLowering16.swap(FrameLowering);
   TLInfo16.swap(TLInfo);
   if (!InstrInfoSE) {
-    InstrInfo.reset(MipsInstrInfo::create(*TM));
+    InstrInfo.reset(MipsInstrInfo::create(*this));
     FrameLowering.reset(MipsFrameLowering::create(*TM, *this));
     TLInfo.reset(MipsTargetLowering::create(*TM));
   } else {





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