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Diffstat (limited to 'lib/Target/ARM/ARMFastISel.cpp')
-rw-r--r--lib/Target/ARM/ARMFastISel.cpp88
1 files changed, 38 insertions, 50 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 6e274d269bf2..1fc5ff6921c6 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -191,8 +191,8 @@ class ARMFastISel final : public FastISel {
bool isTypeLegal(Type *Ty, MVT &VT);
bool isLoadTypeLegal(Type *Ty, MVT &VT);
bool ARMEmitCmp(const Value *Src1Value, const Value *Src2Value,
- bool isZExt, bool isEquality);
- bool ARMEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
+ bool isZExt);
+ bool ARMEmitLoad(MVT VT, Register &ResultReg, Address &Addr,
unsigned Alignment = 0, bool isZExt = true,
bool allocReg = true);
bool ARMEmitStore(MVT VT, unsigned SrcReg, Address &Addr,
@@ -219,15 +219,15 @@ class ARMFastISel final : public FastISel {
bool Return,
bool isVarArg);
bool ProcessCallArgs(SmallVectorImpl<Value*> &Args,
- SmallVectorImpl<unsigned> &ArgRegs,
+ SmallVectorImpl<Register> &ArgRegs,
SmallVectorImpl<MVT> &ArgVTs,
SmallVectorImpl<ISD::ArgFlagsTy> &ArgFlags,
- SmallVectorImpl<unsigned> &RegArgs,
+ SmallVectorImpl<Register> &RegArgs,
CallingConv::ID CC,
unsigned &NumBytes,
bool isVarArg);
unsigned getLibcallReg(const Twine &Name);
- bool FinishCall(MVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
+ bool FinishCall(MVT RetVT, SmallVectorImpl<Register> &UsedRegs,
const Instruction *I, CallingConv::ID CC,
unsigned &NumBytes, bool isVarArg);
bool ARMEmitLibcall(const Instruction *I, RTLIB::Libcall Call);
@@ -301,7 +301,7 @@ ARMFastISel::AddOptionalDefs(const MachineInstrBuilder &MIB) {
unsigned ARMFastISel::fastEmitInst_r(unsigned MachineInstOpcode,
const TargetRegisterClass *RC,
unsigned Op0, bool Op0IsKill) {
- unsigned ResultReg = createResultReg(RC);
+ Register ResultReg = createResultReg(RC);
const MCInstrDesc &II = TII.get(MachineInstOpcode);
// Make sure the input operand is sufficiently constrained to be legal
@@ -913,7 +913,7 @@ void ARMFastISel::AddLoadStoreOperands(MVT VT, Address &Addr,
AddOptionalDefs(MIB);
}
-bool ARMFastISel::ARMEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
+bool ARMFastISel::ARMEmitLoad(MVT VT, Register &ResultReg, Address &Addr,
unsigned Alignment, bool isZExt, bool allocReg) {
unsigned Opc;
bool useAM3 = false;
@@ -1045,7 +1045,7 @@ bool ARMFastISel::SelectLoad(const Instruction *I) {
Address Addr;
if (!ARMComputeAddress(I->getOperand(0), Addr)) return false;
- unsigned ResultReg;
+ Register ResultReg;
if (!ARMEmitLoad(VT, ResultReg, Addr, cast<LoadInst>(I)->getAlignment()))
return false;
updateValueMap(I, ResultReg);
@@ -1259,8 +1259,7 @@ bool ARMFastISel::SelectBranch(const Instruction *I) {
if (ARMPred == ARMCC::AL) return false;
// Emit the compare.
- if (!ARMEmitCmp(CI->getOperand(0), CI->getOperand(1), CI->isUnsigned(),
- CI->isEquality()))
+ if (!ARMEmitCmp(CI->getOperand(0), CI->getOperand(1), CI->isUnsigned()))
return false;
unsigned BrOpc = isThumb2 ? ARM::t2Bcc : ARM::Bcc;
@@ -1349,7 +1348,7 @@ bool ARMFastISel::SelectIndirectBr(const Instruction *I) {
}
bool ARMFastISel::ARMEmitCmp(const Value *Src1Value, const Value *Src2Value,
- bool isZExt, bool isEquality) {
+ bool isZExt) {
Type *Ty = Src1Value->getType();
EVT SrcEVT = TLI.getValueType(DL, Ty, true);
if (!SrcEVT.isSimple()) return false;
@@ -1397,19 +1396,11 @@ bool ARMFastISel::ARMEmitCmp(const Value *Src1Value, const Value *Src2Value,
// TODO: Verify compares.
case MVT::f32:
isICmp = false;
- // Equality comparisons shouldn't raise Invalid on uordered inputs.
- if (isEquality)
- CmpOpc = UseImm ? ARM::VCMPZS : ARM::VCMPS;
- else
- CmpOpc = UseImm ? ARM::VCMPEZS : ARM::VCMPES;
+ CmpOpc = UseImm ? ARM::VCMPZS : ARM::VCMPS;
break;
case MVT::f64:
isICmp = false;
- // Equality comparisons shouldn't raise Invalid on uordered inputs.
- if (isEquality)
- CmpOpc = UseImm ? ARM::VCMPZD : ARM::VCMPD;
- else
- CmpOpc = UseImm ? ARM::VCMPEZD : ARM::VCMPED;
+ CmpOpc = UseImm ? ARM::VCMPZD : ARM::VCMPD;
break;
case MVT::i1:
case MVT::i8:
@@ -1485,8 +1476,7 @@ bool ARMFastISel::SelectCmp(const Instruction *I) {
if (ARMPred == ARMCC::AL) return false;
// Emit the compare.
- if (!ARMEmitCmp(CI->getOperand(0), CI->getOperand(1), CI->isUnsigned(),
- CI->isEquality()))
+ if (!ARMEmitCmp(CI->getOperand(0), CI->getOperand(1), CI->isUnsigned()))
return false;
// Now set a register based on the comparison. Explicitly set the predicates
@@ -1893,10 +1883,10 @@ CCAssignFn *ARMFastISel::CCAssignFnForCall(CallingConv::ID CC,
}
bool ARMFastISel::ProcessCallArgs(SmallVectorImpl<Value*> &Args,
- SmallVectorImpl<unsigned> &ArgRegs,
+ SmallVectorImpl<Register> &ArgRegs,
SmallVectorImpl<MVT> &ArgVTs,
SmallVectorImpl<ISD::ArgFlagsTy> &ArgFlags,
- SmallVectorImpl<unsigned> &RegArgs,
+ SmallVectorImpl<Register> &RegArgs,
CallingConv::ID CC,
unsigned &NumBytes,
bool isVarArg) {
@@ -1960,7 +1950,7 @@ bool ARMFastISel::ProcessCallArgs(SmallVectorImpl<Value*> &Args,
for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
CCValAssign &VA = ArgLocs[i];
const Value *ArgVal = Args[VA.getValNo()];
- unsigned Arg = ArgRegs[VA.getValNo()];
+ Register Arg = ArgRegs[VA.getValNo()];
MVT ArgVT = ArgVTs[VA.getValNo()];
assert((!ArgVT.isVector() && ArgVT.getSizeInBits() <= 64) &&
@@ -2039,7 +2029,7 @@ bool ARMFastISel::ProcessCallArgs(SmallVectorImpl<Value*> &Args,
return true;
}
-bool ARMFastISel::FinishCall(MVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
+bool ARMFastISel::FinishCall(MVT RetVT, SmallVectorImpl<Register> &UsedRegs,
const Instruction *I, CallingConv::ID CC,
unsigned &NumBytes, bool isVarArg) {
// Issue CALLSEQ_END
@@ -2060,7 +2050,7 @@ bool ARMFastISel::FinishCall(MVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
// double fp reg we want.
MVT DestVT = RVLocs[0].getValVT();
const TargetRegisterClass* DstRC = TLI.getRegClassFor(DestVT);
- unsigned ResultReg = createResultReg(DstRC);
+ Register ResultReg = createResultReg(DstRC);
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc,
TII.get(ARM::VMOVDRR), ResultReg)
.addReg(RVLocs[0].getLocReg())
@@ -2081,7 +2071,7 @@ bool ARMFastISel::FinishCall(MVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
const TargetRegisterClass* DstRC = TLI.getRegClassFor(CopyVT);
- unsigned ResultReg = createResultReg(DstRC);
+ Register ResultReg = createResultReg(DstRC);
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc,
TII.get(TargetOpcode::COPY),
ResultReg).addReg(RVLocs[0].getLocReg());
@@ -2162,7 +2152,7 @@ bool ARMFastISel::SelectRet(const Instruction *I) {
}
// Make the copy.
- unsigned DstReg = VA.getLocReg();
+ Register DstReg = VA.getLocReg();
const TargetRegisterClass* SrcRC = MRI.getRegClass(SrcReg);
// Avoid a cross-class copy. This is very unlikely.
if (!SrcRC->contains(DstReg))
@@ -2231,7 +2221,7 @@ bool ARMFastISel::ARMEmitLibcall(const Instruction *I, RTLIB::Libcall Call) {
// Set up the argument vectors.
SmallVector<Value*, 8> Args;
- SmallVector<unsigned, 8> ArgRegs;
+ SmallVector<Register, 8> ArgRegs;
SmallVector<MVT, 8> ArgVTs;
SmallVector<ISD::ArgFlagsTy, 8> ArgFlags;
Args.reserve(I->getNumOperands());
@@ -2247,8 +2237,7 @@ bool ARMFastISel::ARMEmitLibcall(const Instruction *I, RTLIB::Libcall Call) {
if (!isTypeLegal(ArgTy, ArgVT)) return false;
ISD::ArgFlagsTy Flags;
- unsigned OriginalAlignment = DL.getABITypeAlignment(ArgTy);
- Flags.setOrigAlign(OriginalAlignment);
+ Flags.setOrigAlign(Align(DL.getABITypeAlignment(ArgTy)));
Args.push_back(Op);
ArgRegs.push_back(Arg);
@@ -2257,13 +2246,13 @@ bool ARMFastISel::ARMEmitLibcall(const Instruction *I, RTLIB::Libcall Call) {
}
// Handle the arguments now that we've gotten them.
- SmallVector<unsigned, 4> RegArgs;
+ SmallVector<Register, 4> RegArgs;
unsigned NumBytes;
if (!ProcessCallArgs(Args, ArgRegs, ArgVTs, ArgFlags,
RegArgs, CC, NumBytes, false))
return false;
- unsigned CalleeReg = 0;
+ Register CalleeReg;
if (Subtarget->genLongCalls()) {
CalleeReg = getLibcallReg(TLI.getLibcallName(Call));
if (CalleeReg == 0) return false;
@@ -2282,7 +2271,7 @@ bool ARMFastISel::ARMEmitLibcall(const Instruction *I, RTLIB::Libcall Call) {
MIB.addExternalSymbol(TLI.getLibcallName(Call));
// Add implicit physical register uses to the call.
- for (unsigned R : RegArgs)
+ for (Register R : RegArgs)
MIB.addReg(R, RegState::Implicit);
// Add a register mask with the call-preserved registers.
@@ -2290,7 +2279,7 @@ bool ARMFastISel::ARMEmitLibcall(const Instruction *I, RTLIB::Libcall Call) {
MIB.addRegMask(TRI.getCallPreservedMask(*FuncInfo.MF, CC));
// Finish off the call including any return values.
- SmallVector<unsigned, 4> UsedRegs;
+ SmallVector<Register, 4> UsedRegs;
if (!FinishCall(RetVT, UsedRegs, I, CC, NumBytes, false)) return false;
// Set all unused physreg defs as dead.
@@ -2340,7 +2329,7 @@ bool ARMFastISel::SelectCall(const Instruction *I,
// Set up the argument vectors.
SmallVector<Value*, 8> Args;
- SmallVector<unsigned, 8> ArgRegs;
+ SmallVector<Register, 8> ArgRegs;
SmallVector<MVT, 8> ArgVTs;
SmallVector<ISD::ArgFlagsTy, 8> ArgFlags;
unsigned arg_size = CS.arg_size();
@@ -2377,12 +2366,11 @@ bool ARMFastISel::SelectCall(const Instruction *I,
ArgVT != MVT::i1)
return false;
- unsigned Arg = getRegForValue(*i);
- if (Arg == 0)
+ Register Arg = getRegForValue(*i);
+ if (!Arg.isValid())
return false;
- unsigned OriginalAlignment = DL.getABITypeAlignment(ArgTy);
- Flags.setOrigAlign(OriginalAlignment);
+ Flags.setOrigAlign(Align(DL.getABITypeAlignment(ArgTy)));
Args.push_back(*i);
ArgRegs.push_back(Arg);
@@ -2391,7 +2379,7 @@ bool ARMFastISel::SelectCall(const Instruction *I,
}
// Handle the arguments now that we've gotten them.
- SmallVector<unsigned, 4> RegArgs;
+ SmallVector<Register, 4> RegArgs;
unsigned NumBytes;
if (!ProcessCallArgs(Args, ArgRegs, ArgVTs, ArgFlags,
RegArgs, CC, NumBytes, isVarArg))
@@ -2401,7 +2389,7 @@ bool ARMFastISel::SelectCall(const Instruction *I,
const GlobalValue *GV = dyn_cast<GlobalValue>(Callee);
if (!GV || Subtarget->genLongCalls()) UseReg = true;
- unsigned CalleeReg = 0;
+ Register CalleeReg;
if (UseReg) {
if (IntrMemName)
CalleeReg = getLibcallReg(IntrMemName);
@@ -2427,7 +2415,7 @@ bool ARMFastISel::SelectCall(const Instruction *I,
MIB.addExternalSymbol(IntrMemName, 0);
// Add implicit physical register uses to the call.
- for (unsigned R : RegArgs)
+ for (Register R : RegArgs)
MIB.addReg(R, RegState::Implicit);
// Add a register mask with the call-preserved registers.
@@ -2435,7 +2423,7 @@ bool ARMFastISel::SelectCall(const Instruction *I,
MIB.addRegMask(TRI.getCallPreservedMask(*FuncInfo.MF, CC));
// Finish off the call including any return values.
- SmallVector<unsigned, 4> UsedRegs;
+ SmallVector<Register, 4> UsedRegs;
if (!FinishCall(RetVT, UsedRegs, I, CC, NumBytes, isVarArg))
return false;
@@ -2476,7 +2464,7 @@ bool ARMFastISel::ARMTryEmitSmallMemCpy(Address Dest, Address Src,
}
bool RV;
- unsigned ResultReg;
+ Register ResultReg;
RV = ARMEmitLoad(VT, ResultReg, Src);
assert(RV && "Should be able to handle this load.");
RV = ARMEmitStore(VT, ResultReg, Dest);
@@ -2506,7 +2494,7 @@ bool ARMFastISel::SelectIntrinsicCall(const IntrinsicInst &I) {
const ARMBaseRegisterInfo *RegInfo =
static_cast<const ARMBaseRegisterInfo *>(Subtarget->getRegisterInfo());
- unsigned FramePtr = RegInfo->getFrameRegister(*(FuncInfo.MF));
+ Register FramePtr = RegInfo->getFrameRegister(*(FuncInfo.MF));
unsigned SrcReg = FramePtr;
// Recursively load frame address
@@ -2947,7 +2935,7 @@ bool ARMFastISel::tryToFoldLoadIntoMI(MachineInstr *MI, unsigned OpNo,
Address Addr;
if (!ARMComputeAddress(LI->getOperand(0), Addr)) return false;
- unsigned ResultReg = MI->getOperand(0).getReg();
+ Register ResultReg = MI->getOperand(0).getReg();
if (!ARMEmitLoad(VT, ResultReg, Addr, LI->getAlignment(), isZExt, false))
return false;
MachineBasicBlock::iterator I(MI);
@@ -2974,7 +2962,7 @@ unsigned ARMFastISel::ARMLowerPICELF(const GlobalValue *GV,
MF->getMachineMemOperand(MachinePointerInfo::getConstantPool(*MF),
MachineMemOperand::MOLoad, 4, 4);
- unsigned TempReg = MF->getRegInfo().createVirtualRegister(&ARM::rGPRRegClass);
+ Register TempReg = MF->getRegInfo().createVirtualRegister(&ARM::rGPRRegClass);
unsigned Opc = isThumb2 ? ARM::t2LDRpci : ARM::LDRcp;
MachineInstrBuilder MIB =
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(Opc), TempReg)
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-14 14:14:49 +0000