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Make all pointers to TargetRegisterClass const since they are all pointers to static data that should not be modified. 

llvm-svn: 151134
This commit is contained in:
Craig Topper 2012-02-22 05:59:10 +00:00
parent 91d5bb1ee5
commit 760b134ffa
17 changed files with 52 additions and 59 deletions
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10
llvm/include/llvm/Target/TargetLowering.h
View File

@ -201,9 +201,9 @@ public:
/// getRegClassFor - Return the register class that should be used for the
/// specified value type.
virtual TargetRegisterClass *getRegClassFor(EVT VT) const {
virtual const TargetRegisterClass *getRegClassFor(EVT VT) const {
assert(VT.isSimple() && "getRegClassFor called on illegal type!");
TargetRegisterClass *RC = RegClassForVT[VT.getSimpleVT().SimpleTy];
const TargetRegisterClass *RC = RegClassForVT[VT.getSimpleVT().SimpleTy];
assert(RC && "This value type is not natively supported!");
return RC;
}
@ -1043,7 +1043,7 @@ protected:
/// addRegisterClass - Add the specified register class as an available
/// regclass for the specified value type. This indicates the selector can
/// handle values of that class natively.
void addRegisterClass(EVT VT, TargetRegisterClass *RC) {
void addRegisterClass(EVT VT, const TargetRegisterClass *RC) {
assert((unsigned)VT.getSimpleVT().SimpleTy < array_lengthof(RegClassForVT));
AvailableRegClasses.push_back(std::make_pair(VT, RC));
RegClassForVT[VT.getSimpleVT().SimpleTy] = RC;
@ -1760,7 +1760,7 @@ private:
/// RegClassForVT - This indicates the default register class to use for
/// each ValueType the target supports natively.
TargetRegisterClass *RegClassForVT[MVT::LAST_VALUETYPE];
const TargetRegisterClass *RegClassForVT[MVT::LAST_VALUETYPE];
unsigned char NumRegistersForVT[MVT::LAST_VALUETYPE];
EVT RegisterTypeForVT[MVT::LAST_VALUETYPE];
@ -1934,7 +1934,7 @@ private:
return LegalizeKind(TypeSplitVector, NVT);
}
std::vector<std::pair<EVT, TargetRegisterClass*> > AvailableRegClasses;
std::vector<std::pair<EVT, const TargetRegisterClass*> > AvailableRegClasses;
/// TargetDAGCombineArray - Targets can specify ISD nodes that they would
/// like PerformDAGCombine callbacks for by calling setTargetDAGCombine(),

2
llvm/include/llvm/Target/TargetSubtargetInfo.h
View File

@ -39,7 +39,7 @@ public:
// AntiDepBreakMode - Type of anti-dependence breaking that should
// be performed before post-RA scheduling.
typedef enum { ANTIDEP_NONE, ANTIDEP_CRITICAL, ANTIDEP_ALL } AntiDepBreakMode;
typedef SmallVectorImpl<TargetRegisterClass*> RegClassVector;
typedef SmallVectorImpl<const TargetRegisterClass*> RegClassVector;
virtual ~TargetSubtargetInfo();

6
llvm/lib/CodeGen/PostRASchedulerList.cpp
View File

@ -134,7 +134,7 @@ namespace {
MachineFunction &MF, MachineLoopInfo &MLI, MachineDominatorTree &MDT,
AliasAnalysis *AA, const RegisterClassInfo&,
TargetSubtargetInfo::AntiDepBreakMode AntiDepMode,
SmallVectorImpl<TargetRegisterClass*> &CriticalPathRCs);
SmallVectorImpl<const TargetRegisterClass*> &CriticalPathRCs);
~SchedulePostRATDList();
@ -184,7 +184,7 @@ SchedulePostRATDList::SchedulePostRATDList(
MachineFunction &MF, MachineLoopInfo &MLI, MachineDominatorTree &MDT,
AliasAnalysis *AA, const RegisterClassInfo &RCI,
TargetSubtargetInfo::AntiDepBreakMode AntiDepMode,
SmallVectorImpl<TargetRegisterClass*> &CriticalPathRCs)
SmallVectorImpl<const TargetRegisterClass*> &CriticalPathRCs)
: ScheduleDAGInstrs(MF, MLI, MDT, /*IsPostRA=*/true), Topo(SUnits), AA(AA),
KillIndices(TRI->getNumRegs())
{
@ -216,7 +216,7 @@ bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
// Check for explicit enable/disable of post-ra scheduling.
TargetSubtargetInfo::AntiDepBreakMode AntiDepMode =
TargetSubtargetInfo::ANTIDEP_NONE;
SmallVector<TargetRegisterClass*, 4> CriticalPathRCs;
SmallVector<const TargetRegisterClass*, 4> CriticalPathRCs;
if (EnablePostRAScheduler.getPosition() > 0) {
if (!EnablePostRAScheduler)
return false;

4
llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
View File

@ -725,8 +725,8 @@ bool FastISel::SelectBitCast(const User *I) {
// First, try to perform the bitcast by inserting a reg-reg copy.
unsigned ResultReg = 0;
if (SrcVT.getSimpleVT() == DstVT.getSimpleVT()) {
TargetRegisterClass* SrcClass = TLI.getRegClassFor(SrcVT);
TargetRegisterClass* DstClass = TLI.getRegClassFor(DstVT);
const TargetRegisterClass* SrcClass = TLI.getRegClassFor(SrcVT);
const TargetRegisterClass* DstClass = TLI.getRegClassFor(DstVT);
// Don't attempt a cross-class copy. It will likely fail.
if (SrcClass == DstClass) {
ResultReg = createResultReg(DstClass);

16
llvm/lib/Target/ARM/ARMFastISel.cpp
View File

@ -728,7 +728,7 @@ unsigned ARMFastISel::TargetMaterializeAlloca(const AllocaInst *AI) {
// This will get lowered later into the correct offsets and registers
// via rewriteXFrameIndex.
if (SI != FuncInfo.StaticAllocaMap.end()) {
TargetRegisterClass* RC = TLI.getRegClassFor(VT);
const TargetRegisterClass* RC = TLI.getRegClassFor(VT);
unsigned ResultReg = createResultReg(RC);
unsigned Opc = isThumb2 ? ARM::t2ADDri : ARM::ADDri;
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
@ -911,8 +911,8 @@ void ARMFastISel::ARMSimplifyAddress(Address &Addr, EVT VT, bool useAM3) {
// put the alloca address into a register, set the base type back to
// register and continue. This should almost never happen.
if (needsLowering && Addr.BaseType == Address::FrameIndexBase) {
TargetRegisterClass *RC = isThumb2 ? ARM::tGPRRegisterClass :
ARM::GPRRegisterClass;
const TargetRegisterClass *RC = isThumb2 ? ARM::tGPRRegisterClass
: ARM::GPRRegisterClass;
unsigned ResultReg = createResultReg(RC);
unsigned Opc = isThumb2 ? ARM::t2ADDri : ARM::ADDri;
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
@ -987,7 +987,7 @@ bool ARMFastISel::ARMEmitLoad(EVT VT, unsigned &ResultReg, Address &Addr,
unsigned Opc;
bool useAM3 = false;
bool needVMOV = false;
TargetRegisterClass *RC;
const TargetRegisterClass *RC;
switch (VT.getSimpleVT().SimpleTy) {
// This is mostly going to be Neon/vector support.
default: return false;
@ -1490,8 +1490,8 @@ bool ARMFastISel::SelectCmp(const Instruction *I) {
// Now set a register based on the comparison. Explicitly set the predicates
// here.
unsigned MovCCOpc = isThumb2 ? ARM::t2MOVCCi : ARM::MOVCCi;
TargetRegisterClass *RC = isThumb2 ? ARM::rGPRRegisterClass
: ARM::GPRRegisterClass;
const TargetRegisterClass *RC = isThumb2 ? ARM::rGPRRegisterClass
: ARM::GPRRegisterClass;
unsigned DestReg = createResultReg(RC);
Constant *Zero = ConstantInt::get(Type::getInt32Ty(*Context), 0);
unsigned ZeroReg = TargetMaterializeConstant(Zero);
@ -1955,7 +1955,7 @@ bool ARMFastISel::FinishCall(MVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
// For this move we copy into two registers and then move into the
// double fp reg we want.
EVT DestVT = RVLocs[0].getValVT();
TargetRegisterClass* DstRC = TLI.getRegClassFor(DestVT);
const TargetRegisterClass* DstRC = TLI.getRegClassFor(DestVT);
unsigned ResultReg = createResultReg(DstRC);
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
TII.get(ARM::VMOVDRR), ResultReg)
@ -1975,7 +1975,7 @@ bool ARMFastISel::FinishCall(MVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
if (RetVT == MVT::i1 || RetVT == MVT::i8 || RetVT == MVT::i16)
CopyVT = MVT::i32;
TargetRegisterClass* DstRC = TLI.getRegClassFor(CopyVT);
const TargetRegisterClass* DstRC = TLI.getRegClassFor(CopyVT);
unsigned ResultReg = createResultReg(DstRC);
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),

14
llvm/lib/Target/ARM/ARMISelLowering.cpp
View File

@ -1011,7 +1011,7 @@ EVT ARMTargetLowering::getSetCCResultType(EVT VT) const {
/// getRegClassFor - Return the register class that should be used for the
/// specified value type.
TargetRegisterClass *ARMTargetLowering::getRegClassFor(EVT VT) const {
const TargetRegisterClass *ARMTargetLowering::getRegClassFor(EVT VT) const {
// Map v4i64 to QQ registers but do not make the type legal. Similarly map
// v8i64 to QQQQ registers. v4i64 and v8i64 are only used for REG_SEQUENCE to
// load / store 4 to 8 consecutive D registers.
@ -2422,7 +2422,7 @@ ARMTargetLowering::GetF64FormalArgument(CCValAssign &VA, CCValAssign &NextVA,
MachineFunction &MF = DAG.getMachineFunction();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
TargetRegisterClass *RC;
const TargetRegisterClass *RC;
if (AFI->isThumb1OnlyFunction())
RC = ARM::tGPRRegisterClass;
else
@ -2508,7 +2508,7 @@ ARMTargetLowering::VarArgStyleRegisters(CCState &CCInfo, SelectionDAG &DAG,
SmallVector<SDValue, 4> MemOps;
for (; firstRegToSaveIndex < 4; ++firstRegToSaveIndex) {
TargetRegisterClass *RC;
const TargetRegisterClass *RC;
if (AFI->isThumb1OnlyFunction())
RC = ARM::tGPRRegisterClass;
else
@ -2591,7 +2591,7 @@ ARMTargetLowering::LowerFormalArguments(SDValue Chain,
ArgValue = GetF64FormalArgument(VA, ArgLocs[++i], Chain, DAG, dl);
} else {
TargetRegisterClass *RC;
const TargetRegisterClass *RC;
if (RegVT == MVT::f32)
RC = ARM::SPRRegisterClass;
@ -5299,7 +5299,7 @@ ARMTargetLowering::EmitAtomicBinary(MachineInstr *MI, MachineBasicBlock *BB,
BB->end());
exitMBB->transferSuccessorsAndUpdatePHIs(BB);
TargetRegisterClass *TRC =
const TargetRegisterClass *TRC =
isThumb2 ? ARM::tGPRRegisterClass : ARM::GPRRegisterClass;
unsigned scratch = MRI.createVirtualRegister(TRC);
unsigned scratch2 = (!BinOpcode) ? incr : MRI.createVirtualRegister(TRC);
@ -5409,7 +5409,7 @@ ARMTargetLowering::EmitAtomicBinaryMinMax(MachineInstr *MI,
BB->end());
exitMBB->transferSuccessorsAndUpdatePHIs(BB);
TargetRegisterClass *TRC =
const TargetRegisterClass *TRC =
isThumb2 ? ARM::tGPRRegisterClass : ARM::GPRRegisterClass;
unsigned scratch = MRI.createVirtualRegister(TRC);
unsigned scratch2 = MRI.createVirtualRegister(TRC);
@ -5519,7 +5519,7 @@ ARMTargetLowering::EmitAtomicBinary64(MachineInstr *MI, MachineBasicBlock *BB,
BB->end());
exitMBB->transferSuccessorsAndUpdatePHIs(BB);
TargetRegisterClass *TRC =
const TargetRegisterClass *TRC =
isThumb2 ? ARM::tGPRRegisterClass : ARM::GPRRegisterClass;
unsigned storesuccess = MRI.createVirtualRegister(TRC);

2
llvm/lib/Target/ARM/ARMISelLowering.h
View File

@ -345,7 +345,7 @@ namespace llvm {
/// getRegClassFor - Return the register class that should be used for the
/// specified value type.
virtual TargetRegisterClass *getRegClassFor(EVT VT) const;
virtual const TargetRegisterClass *getRegClassFor(EVT VT) const;
/// getMaximalGlobalOffset - Returns the maximal possible offset which can
/// be used for loads / stores from the global.

4
llvm/lib/Target/MBlaze/MBlazeISelLowering.cpp
View File

@ -896,7 +896,7 @@ LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv, bool isVarArg,
if (VA.isRegLoc()) {
MVT RegVT = VA.getLocVT();
ArgRegEnd = VA.getLocReg();
TargetRegisterClass *RC = 0;
const TargetRegisterClass *RC;
if (RegVT == MVT::i32)
RC = MBlaze::GPRRegisterClass;
@ -964,7 +964,7 @@ LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv, bool isVarArg,
StackPtr = DAG.getRegister(StackReg, getPointerTy());
// The last register argument that must be saved is MBlaze::R10
TargetRegisterClass *RC = MBlaze::GPRRegisterClass;
const TargetRegisterClass *RC = MBlaze::GPRRegisterClass;
unsigned Begin = getMBlazeRegisterNumbering(MBlaze::R5);
unsigned Start = getMBlazeRegisterNumbering(ArgRegEnd+1);

6
llvm/lib/Target/Mips/MipsISelLowering.cpp
View File

@ -710,7 +710,7 @@ LowerOperation(SDValue Op, SelectionDAG &DAG) const
// MachineFunction as a live in value. It also creates a corresponding
// virtual register for it.
static unsigned
AddLiveIn(MachineFunction &MF, unsigned PReg, TargetRegisterClass *RC)
AddLiveIn(MachineFunction &MF, unsigned PReg, const TargetRegisterClass *RC)
{
assert(RC->contains(PReg) && "Not the correct regclass!");
unsigned VReg = MF.getRegInfo().createVirtualRegister(RC);
@ -2601,7 +2601,7 @@ MipsTargetLowering::LowerFormalArguments(SDValue Chain,
if (IsRegLoc) {
EVT RegVT = VA.getLocVT();
unsigned ArgReg = VA.getLocReg();
TargetRegisterClass *RC = 0;
const TargetRegisterClass *RC;
if (RegVT == MVT::i32)
RC = Mips::CPURegsRegisterClass;
@ -2684,7 +2684,7 @@ MipsTargetLowering::LowerFormalArguments(SDValue Chain,
const unsigned *ArgRegs = IsO32 ? O32IntRegs : Mips64IntRegs;
unsigned Idx = CCInfo.getFirstUnallocated(ArgRegs, NumOfRegs);
int FirstRegSlotOffset = IsO32 ? 0 : -64 ; // offset of $a0's slot.
TargetRegisterClass *RC
const TargetRegisterClass *RC
= IsO32 ? Mips::CPURegsRegisterClass : Mips::CPU64RegsRegisterClass;
unsigned RegSize = RC->getSize();
int RegSlotOffset = FirstRegSlotOffset + Idx * RegSize;

29
llvm/lib/Target/PTX/PTXISelLowering.cpp
View File

@ -240,32 +240,25 @@ SDValue PTXTargetLowering::
}
else {
for (unsigned i = 0, e = Ins.size(); i != e; ++i) {
EVT RegVT = Ins[i].VT;
TargetRegisterClass* TRC = getRegClassFor(RegVT);
unsigned RegType;
EVT RegVT = Ins[i].VT;
const TargetRegisterClass* TRC = getRegClassFor(RegVT);
unsigned RegType;
// Determine which register class we need
if (RegVT == MVT::i1) {
if (RegVT == MVT::i1)
RegType = PTXRegisterType::Pred;
}
else if (RegVT == MVT::i16) {
else if (RegVT == MVT::i16)
RegType = PTXRegisterType::B16;
}
else if (RegVT == MVT::i32) {
else if (RegVT == MVT::i32)
RegType = PTXRegisterType::B32;
}
else if (RegVT == MVT::i64) {
else if (RegVT == MVT::i64)
RegType = PTXRegisterType::B64;
}
else if (RegVT == MVT::f32) {
else if (RegVT == MVT::f32)
RegType = PTXRegisterType::F32;
}
else if (RegVT == MVT::f64) {
else if (RegVT == MVT::f64)
RegType = PTXRegisterType::F64;
}
else {
else
llvm_unreachable("Unknown parameter type");
}
// Use a unique index in the instruction to prevent instruction folding.
// Yes, this is a hack.
@ -326,7 +319,7 @@ SDValue PTXTargetLowering::
} else {
for (unsigned i = 0, e = Outs.size(); i != e; ++i) {
EVT RegVT = Outs[i].VT;
TargetRegisterClass* TRC = 0;
const TargetRegisterClass* TRC;
unsigned RegType;
// Determine which register class we need

2
llvm/lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -1698,7 +1698,7 @@ PPCTargetLowering::LowerFormalArguments_SVR4(
// Arguments stored in registers.
if (VA.isRegLoc()) {
TargetRegisterClass *RC;
const TargetRegisterClass *RC;
EVT ValVT = VA.getValVT();
switch (ValVT.getSimpleVT().SimpleTy) {

2
llvm/lib/Target/X86/X86FastISel.cpp
View File

@ -2104,7 +2104,7 @@ unsigned X86FastISel::TargetMaterializeAlloca(const AllocaInst *C) {
if (!X86SelectAddress(C, AM))
return 0;
unsigned Opc = Subtarget->is64Bit() ? X86::LEA64r : X86::LEA32r;
TargetRegisterClass* RC = TLI.getRegClassFor(TLI.getPointerTy());
const TargetRegisterClass* RC = TLI.getRegClassFor(TLI.getPointerTy());
unsigned ResultReg = createResultReg(RC);
addFullAddress(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
TII.get(Opc), ResultReg), AM);

4
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -1829,7 +1829,7 @@ X86TargetLowering::LowerFormalArguments(SDValue Chain,
if (VA.isRegLoc()) {
EVT RegVT = VA.getLocVT();
TargetRegisterClass *RC = NULL;
const TargetRegisterClass *RC;
if (RegVT == MVT::i32)
RC = X86::GR32RegisterClass;
else if (Is64Bit && RegVT == MVT::i64)
@ -11209,7 +11209,7 @@ X86TargetLowering::EmitAtomicBitwiseWithCustomInserter(MachineInstr *bInstr,
unsigned CXchgOpc,
unsigned notOpc,
unsigned EAXreg,
TargetRegisterClass *RC,
const TargetRegisterClass *RC,
bool invSrc) const {
// For the atomic bitwise operator, we generate
// thisMBB:

2
llvm/lib/Target/X86/X86ISelLowering.h
View File

@ -832,7 +832,7 @@ namespace llvm {
unsigned cxchgOpc,
unsigned notOpc,
unsigned EAXreg,
TargetRegisterClass *RC,
const TargetRegisterClass *RC,
bool invSrc = false) const;
MachineBasicBlock *EmitAtomicBit6432WithCustomInserter(

2
llvm/lib/Target/X86/X86InstrInfo.cpp
View File

@ -1835,7 +1835,7 @@ X86InstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI,
case X86::ADD32rr_DB: {
assert(MI->getNumOperands() >= 3 && "Unknown add instruction!");
unsigned Opc;
TargetRegisterClass *RC;
const TargetRegisterClass *RC;
if (MIOpc == X86::ADD64rr || MIOpc == X86::ADD64rr_DB) {
Opc = X86::LEA64r;
RC = X86::GR64_NOSPRegisterClass;

2
llvm/lib/Target/X86/X86VZeroUpper.cpp
View File

@ -145,7 +145,7 @@ bool VZeroUpperInserter::runOnMachineFunction(MachineFunction &MF) {
// to insert any VZEROUPPER instructions. This is constant-time, so it is
// cheap in the common case of no ymm use.
bool YMMUsed = false;
TargetRegisterClass *RC = X86::VR256RegisterClass;
const TargetRegisterClass *RC = X86::VR256RegisterClass;
for (TargetRegisterClass::iterator i = RC->begin(), e = RC->end();
i != e; i++) {
if (MRI.isPhysRegUsed(*i)) {

4
llvm/utils/TableGen/RegisterInfoEmitter.cpp
View File

@ -482,8 +482,8 @@ RegisterInfoEmitter::runTargetHeader(raw_ostream &OS, CodeGenTarget &Target,
// Output the extern for the instance.
OS << " extern " << Name << "Class\t" << Name << "RegClass;\n";
// Output the extern for the pointer to the instance (should remove).
OS << " static TargetRegisterClass * const "<< Name <<"RegisterClass = &"
<< Name << "RegClass;\n";
OS << " static const TargetRegisterClass * const " << Name
<< "RegisterClass = &" << Name << "RegClass;\n";
}
OS << "} // end of namespace " << TargetName << "\n\n";
}