1 //===-- llvm/CodeGen/GlobalISel/MachineIRBuilder.cpp - MIBuilder--*- C++ -*-==//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 /// This file implements the MachineIRBuidler class.
10 //===----------------------------------------------------------------------===//
11 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
12 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
14 #include "llvm/CodeGen/MachineFunction.h"
15 #include "llvm/CodeGen/MachineInstr.h"
16 #include "llvm/CodeGen/MachineInstrBuilder.h"
17 #include "llvm/CodeGen/MachineRegisterInfo.h"
18 #include "llvm/CodeGen/TargetInstrInfo.h"
19 #include "llvm/CodeGen/TargetLowering.h"
20 #include "llvm/CodeGen/TargetOpcodes.h"
21 #include "llvm/CodeGen/TargetSubtargetInfo.h"
22 #include "llvm/IR/DebugInfo.h"
26 void MachineIRBuilder::setMF(MachineFunction &MF) {
29 State.MRI = &MF.getRegInfo();
30 State.TII = MF.getSubtarget().getInstrInfo();
31 State.DL = DebugLoc();
32 State.II = MachineBasicBlock::iterator();
33 State.Observer = nullptr;
36 void MachineIRBuilder::setMBB(MachineBasicBlock &MBB) {
39 assert(&getMF() == MBB.getParent() &&
40 "Basic block is in a different function");
43 void MachineIRBuilder::setInstr(MachineInstr &MI) {
44 assert(MI.getParent() && "Instruction is not part of a basic block");
45 setMBB(*MI.getParent());
46 State.II = MI.getIterator();
49 void MachineIRBuilder::setCSEInfo(GISelCSEInfo *Info) { State.CSEInfo = Info; }
51 void MachineIRBuilder::setInsertPt(MachineBasicBlock &MBB,
52 MachineBasicBlock::iterator II) {
53 assert(MBB.getParent() == &getMF() &&
54 "Basic block is in a different function");
59 void MachineIRBuilder::recordInsertion(MachineInstr *InsertedInstr) const {
61 State.Observer->createdInstr(*InsertedInstr);
64 void MachineIRBuilder::setChangeObserver(GISelChangeObserver &Observer) {
65 State.Observer = &Observer;
68 void MachineIRBuilder::stopObservingChanges() { State.Observer = nullptr; }
70 //------------------------------------------------------------------------------
71 // Build instruction variants.
72 //------------------------------------------------------------------------------
74 MachineInstrBuilder MachineIRBuilder::buildInstr(unsigned Opcode) {
75 return insertInstr(buildInstrNoInsert(Opcode));
78 MachineInstrBuilder MachineIRBuilder::buildInstrNoInsert(unsigned Opcode) {
79 MachineInstrBuilder MIB = BuildMI(getMF(), getDL(), getTII().get(Opcode));
83 MachineInstrBuilder MachineIRBuilder::insertInstr(MachineInstrBuilder MIB) {
84 getMBB().insert(getInsertPt(), MIB);
90 MachineIRBuilder::buildDirectDbgValue(Register Reg, const MDNode *Variable,
92 assert(isa<DILocalVariable>(Variable) && "not a variable");
93 assert(cast<DIExpression>(Expr)->isValid() && "not an expression");
95 cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(getDL()) &&
96 "Expected inlined-at fields to agree");
97 return insertInstr(BuildMI(getMF(), getDL(),
98 getTII().get(TargetOpcode::DBG_VALUE),
99 /*IsIndirect*/ false, Reg, Variable, Expr));
103 MachineIRBuilder::buildIndirectDbgValue(Register Reg, const MDNode *Variable,
104 const MDNode *Expr) {
105 assert(isa<DILocalVariable>(Variable) && "not a variable");
106 assert(cast<DIExpression>(Expr)->isValid() && "not an expression");
108 cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(getDL()) &&
109 "Expected inlined-at fields to agree");
110 // DBG_VALUE insts now carry IR-level indirection in their DIExpression
111 // rather than encoding it in the instruction itself.
112 const DIExpression *DIExpr = cast<DIExpression>(Expr);
113 DIExpr = DIExpression::append(DIExpr, {dwarf::DW_OP_deref});
114 return insertInstr(BuildMI(getMF(), getDL(),
115 getTII().get(TargetOpcode::DBG_VALUE),
116 /*IsIndirect*/ false, Reg, Variable, DIExpr));
119 MachineInstrBuilder MachineIRBuilder::buildFIDbgValue(int FI,
120 const MDNode *Variable,
121 const MDNode *Expr) {
122 assert(isa<DILocalVariable>(Variable) && "not a variable");
123 assert(cast<DIExpression>(Expr)->isValid() && "not an expression");
125 cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(getDL()) &&
126 "Expected inlined-at fields to agree");
127 // DBG_VALUE insts now carry IR-level indirection in their DIExpression
128 // rather than encoding it in the instruction itself.
129 const DIExpression *DIExpr = cast<DIExpression>(Expr);
130 DIExpr = DIExpression::append(DIExpr, {dwarf::DW_OP_deref});
131 return buildInstr(TargetOpcode::DBG_VALUE)
134 .addMetadata(Variable)
135 .addMetadata(DIExpr);
138 MachineInstrBuilder MachineIRBuilder::buildConstDbgValue(const Constant &C,
139 const MDNode *Variable,
140 const MDNode *Expr) {
141 assert(isa<DILocalVariable>(Variable) && "not a variable");
142 assert(cast<DIExpression>(Expr)->isValid() && "not an expression");
144 cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(getDL()) &&
145 "Expected inlined-at fields to agree");
146 auto MIB = buildInstr(TargetOpcode::DBG_VALUE);
147 if (auto *CI = dyn_cast<ConstantInt>(&C)) {
148 if (CI->getBitWidth() > 64)
151 MIB.addImm(CI->getZExtValue());
152 } else if (auto *CFP = dyn_cast<ConstantFP>(&C)) {
155 // Insert %noreg if we didn't find a usable constant and had to drop it.
159 return MIB.addReg(0).addMetadata(Variable).addMetadata(Expr);
162 MachineInstrBuilder MachineIRBuilder::buildDbgLabel(const MDNode *Label) {
163 assert(isa<DILabel>(Label) && "not a label");
164 assert(cast<DILabel>(Label)->isValidLocationForIntrinsic(State.DL) &&
165 "Expected inlined-at fields to agree");
166 auto MIB = buildInstr(TargetOpcode::DBG_LABEL);
168 return MIB.addMetadata(Label);
171 MachineInstrBuilder MachineIRBuilder::buildDynStackAlloc(const DstOp &Res,
174 assert(Res.getLLTTy(*getMRI()).isPointer() && "expected ptr dst type");
175 auto MIB = buildInstr(TargetOpcode::G_DYN_STACKALLOC);
176 Res.addDefToMIB(*getMRI(), MIB);
177 Size.addSrcToMIB(MIB);
182 MachineInstrBuilder MachineIRBuilder::buildFrameIndex(const DstOp &Res,
184 assert(Res.getLLTTy(*getMRI()).isPointer() && "invalid operand type");
185 auto MIB = buildInstr(TargetOpcode::G_FRAME_INDEX);
186 Res.addDefToMIB(*getMRI(), MIB);
187 MIB.addFrameIndex(Idx);
191 MachineInstrBuilder MachineIRBuilder::buildGlobalValue(const DstOp &Res,
192 const GlobalValue *GV) {
193 assert(Res.getLLTTy(*getMRI()).isPointer() && "invalid operand type");
194 assert(Res.getLLTTy(*getMRI()).getAddressSpace() ==
195 GV->getType()->getAddressSpace() &&
196 "address space mismatch");
198 auto MIB = buildInstr(TargetOpcode::G_GLOBAL_VALUE);
199 Res.addDefToMIB(*getMRI(), MIB);
200 MIB.addGlobalAddress(GV);
204 MachineInstrBuilder MachineIRBuilder::buildJumpTable(const LLT PtrTy,
206 return buildInstr(TargetOpcode::G_JUMP_TABLE, {PtrTy}, {})
207 .addJumpTableIndex(JTI);
210 void MachineIRBuilder::validateBinaryOp(const LLT &Res, const LLT &Op0,
212 assert((Res.isScalar() || Res.isVector()) && "invalid operand type");
213 assert((Res == Op0 && Res == Op1) && "type mismatch");
216 void MachineIRBuilder::validateShiftOp(const LLT &Res, const LLT &Op0,
218 assert((Res.isScalar() || Res.isVector()) && "invalid operand type");
219 assert((Res == Op0) && "type mismatch");
222 MachineInstrBuilder MachineIRBuilder::buildPtrAdd(const DstOp &Res,
225 assert(Res.getLLTTy(*getMRI()).isPointer() &&
226 Res.getLLTTy(*getMRI()) == Op0.getLLTTy(*getMRI()) && "type mismatch");
227 assert(Op1.getLLTTy(*getMRI()).isScalar() && "invalid offset type");
229 return buildInstr(TargetOpcode::G_PTR_ADD, {Res}, {Op0, Op1});
232 Optional<MachineInstrBuilder>
233 MachineIRBuilder::materializePtrAdd(Register &Res, Register Op0,
234 const LLT &ValueTy, uint64_t Value) {
235 assert(Res == 0 && "Res is a result argument");
236 assert(ValueTy.isScalar() && "invalid offset type");
243 Res = getMRI()->createGenericVirtualRegister(getMRI()->getType(Op0));
244 auto Cst = buildConstant(ValueTy, Value);
245 return buildPtrAdd(Res, Op0, Cst.getReg(0));
248 MachineInstrBuilder MachineIRBuilder::buildPtrMask(const DstOp &Res,
251 assert(Res.getLLTTy(*getMRI()).isPointer() &&
252 Res.getLLTTy(*getMRI()) == Op0.getLLTTy(*getMRI()) && "type mismatch");
254 auto MIB = buildInstr(TargetOpcode::G_PTR_MASK);
255 Res.addDefToMIB(*getMRI(), MIB);
256 Op0.addSrcToMIB(MIB);
261 MachineInstrBuilder MachineIRBuilder::buildBr(MachineBasicBlock &Dest) {
262 return buildInstr(TargetOpcode::G_BR).addMBB(&Dest);
265 MachineInstrBuilder MachineIRBuilder::buildBrIndirect(Register Tgt) {
266 assert(getMRI()->getType(Tgt).isPointer() && "invalid branch destination");
267 return buildInstr(TargetOpcode::G_BRINDIRECT).addUse(Tgt);
270 MachineInstrBuilder MachineIRBuilder::buildBrJT(Register TablePtr,
273 assert(getMRI()->getType(TablePtr).isPointer() &&
274 "Table reg must be a pointer");
275 return buildInstr(TargetOpcode::G_BRJT)
277 .addJumpTableIndex(JTI)
281 MachineInstrBuilder MachineIRBuilder::buildCopy(const DstOp &Res,
283 return buildInstr(TargetOpcode::COPY, Res, Op);
286 MachineInstrBuilder MachineIRBuilder::buildConstant(const DstOp &Res,
287 const ConstantInt &Val) {
288 LLT Ty = Res.getLLTTy(*getMRI());
289 LLT EltTy = Ty.getScalarType();
290 assert(EltTy.getScalarSizeInBits() == Val.getBitWidth() &&
291 "creating constant with the wrong size");
294 auto Const = buildInstr(TargetOpcode::G_CONSTANT)
295 .addDef(getMRI()->createGenericVirtualRegister(EltTy))
297 return buildSplatVector(Res, Const);
300 auto Const = buildInstr(TargetOpcode::G_CONSTANT);
301 Res.addDefToMIB(*getMRI(), Const);
306 MachineInstrBuilder MachineIRBuilder::buildConstant(const DstOp &Res,
308 auto IntN = IntegerType::get(getMF().getFunction().getContext(),
309 Res.getLLTTy(*getMRI()).getScalarSizeInBits());
310 ConstantInt *CI = ConstantInt::get(IntN, Val, true);
311 return buildConstant(Res, *CI);
314 MachineInstrBuilder MachineIRBuilder::buildFConstant(const DstOp &Res,
315 const ConstantFP &Val) {
316 LLT Ty = Res.getLLTTy(*getMRI());
317 LLT EltTy = Ty.getScalarType();
319 assert(APFloat::getSizeInBits(Val.getValueAPF().getSemantics())
320 == EltTy.getSizeInBits() &&
321 "creating fconstant with the wrong size");
323 assert(!Ty.isPointer() && "invalid operand type");
326 auto Const = buildInstr(TargetOpcode::G_FCONSTANT)
327 .addDef(getMRI()->createGenericVirtualRegister(EltTy))
330 return buildSplatVector(Res, Const);
333 auto Const = buildInstr(TargetOpcode::G_FCONSTANT);
334 Res.addDefToMIB(*getMRI(), Const);
335 Const.addFPImm(&Val);
339 MachineInstrBuilder MachineIRBuilder::buildConstant(const DstOp &Res,
341 ConstantInt *CI = ConstantInt::get(getMF().getFunction().getContext(), Val);
342 return buildConstant(Res, *CI);
345 MachineInstrBuilder MachineIRBuilder::buildFConstant(const DstOp &Res,
347 LLT DstTy = Res.getLLTTy(*getMRI());
348 auto &Ctx = getMF().getFunction().getContext();
350 ConstantFP::get(Ctx, getAPFloatFromSize(Val, DstTy.getScalarSizeInBits()));
351 return buildFConstant(Res, *CFP);
354 MachineInstrBuilder MachineIRBuilder::buildFConstant(const DstOp &Res,
355 const APFloat &Val) {
356 auto &Ctx = getMF().getFunction().getContext();
357 auto *CFP = ConstantFP::get(Ctx, Val);
358 return buildFConstant(Res, *CFP);
361 MachineInstrBuilder MachineIRBuilder::buildBrCond(Register Tst,
362 MachineBasicBlock &Dest) {
363 assert(getMRI()->getType(Tst).isScalar() && "invalid operand type");
365 return buildInstr(TargetOpcode::G_BRCOND).addUse(Tst).addMBB(&Dest);
368 MachineInstrBuilder MachineIRBuilder::buildLoad(const DstOp &Res,
370 MachineMemOperand &MMO) {
371 return buildLoadInstr(TargetOpcode::G_LOAD, Res, Addr, MMO);
374 MachineInstrBuilder MachineIRBuilder::buildLoadInstr(unsigned Opcode,
377 MachineMemOperand &MMO) {
378 assert(Res.getLLTTy(*getMRI()).isValid() && "invalid operand type");
379 assert(Addr.getLLTTy(*getMRI()).isPointer() && "invalid operand type");
381 auto MIB = buildInstr(Opcode);
382 Res.addDefToMIB(*getMRI(), MIB);
383 Addr.addSrcToMIB(MIB);
384 MIB.addMemOperand(&MMO);
388 MachineInstrBuilder MachineIRBuilder::buildStore(const SrcOp &Val,
390 MachineMemOperand &MMO) {
391 assert(Val.getLLTTy(*getMRI()).isValid() && "invalid operand type");
392 assert(Addr.getLLTTy(*getMRI()).isPointer() && "invalid operand type");
394 auto MIB = buildInstr(TargetOpcode::G_STORE);
395 Val.addSrcToMIB(MIB);
396 Addr.addSrcToMIB(MIB);
397 MIB.addMemOperand(&MMO);
401 MachineInstrBuilder MachineIRBuilder::buildUAddo(const DstOp &Res,
402 const DstOp &CarryOut,
405 return buildInstr(TargetOpcode::G_UADDO, {Res, CarryOut}, {Op0, Op1});
408 MachineInstrBuilder MachineIRBuilder::buildUAdde(const DstOp &Res,
409 const DstOp &CarryOut,
412 const SrcOp &CarryIn) {
413 return buildInstr(TargetOpcode::G_UADDE, {Res, CarryOut},
414 {Op0, Op1, CarryIn});
417 MachineInstrBuilder MachineIRBuilder::buildAnyExt(const DstOp &Res,
419 return buildInstr(TargetOpcode::G_ANYEXT, Res, Op);
422 MachineInstrBuilder MachineIRBuilder::buildSExt(const DstOp &Res,
424 return buildInstr(TargetOpcode::G_SEXT, Res, Op);
427 MachineInstrBuilder MachineIRBuilder::buildZExt(const DstOp &Res,
429 return buildInstr(TargetOpcode::G_ZEXT, Res, Op);
432 unsigned MachineIRBuilder::getBoolExtOp(bool IsVec, bool IsFP) const {
433 const auto *TLI = getMF().getSubtarget().getTargetLowering();
434 switch (TLI->getBooleanContents(IsVec, IsFP)) {
435 case TargetLoweringBase::ZeroOrNegativeOneBooleanContent:
436 return TargetOpcode::G_SEXT;
437 case TargetLoweringBase::ZeroOrOneBooleanContent:
438 return TargetOpcode::G_ZEXT;
440 return TargetOpcode::G_ANYEXT;
444 MachineInstrBuilder MachineIRBuilder::buildBoolExt(const DstOp &Res,
447 unsigned ExtOp = getBoolExtOp(getMRI()->getType(Op.getReg()).isVector(), IsFP);
448 return buildInstr(ExtOp, Res, Op);
451 MachineInstrBuilder MachineIRBuilder::buildExtOrTrunc(unsigned ExtOpc,
454 assert((TargetOpcode::G_ANYEXT == ExtOpc || TargetOpcode::G_ZEXT == ExtOpc ||
455 TargetOpcode::G_SEXT == ExtOpc) &&
456 "Expecting Extending Opc");
457 assert(Res.getLLTTy(*getMRI()).isScalar() ||
458 Res.getLLTTy(*getMRI()).isVector());
459 assert(Res.getLLTTy(*getMRI()).isScalar() ==
460 Op.getLLTTy(*getMRI()).isScalar());
462 unsigned Opcode = TargetOpcode::COPY;
463 if (Res.getLLTTy(*getMRI()).getSizeInBits() >
464 Op.getLLTTy(*getMRI()).getSizeInBits())
466 else if (Res.getLLTTy(*getMRI()).getSizeInBits() <
467 Op.getLLTTy(*getMRI()).getSizeInBits())
468 Opcode = TargetOpcode::G_TRUNC;
470 assert(Res.getLLTTy(*getMRI()) == Op.getLLTTy(*getMRI()));
472 return buildInstr(Opcode, Res, Op);
475 MachineInstrBuilder MachineIRBuilder::buildSExtOrTrunc(const DstOp &Res,
477 return buildExtOrTrunc(TargetOpcode::G_SEXT, Res, Op);
480 MachineInstrBuilder MachineIRBuilder::buildZExtOrTrunc(const DstOp &Res,
482 return buildExtOrTrunc(TargetOpcode::G_ZEXT, Res, Op);
485 MachineInstrBuilder MachineIRBuilder::buildAnyExtOrTrunc(const DstOp &Res,
487 return buildExtOrTrunc(TargetOpcode::G_ANYEXT, Res, Op);
490 MachineInstrBuilder MachineIRBuilder::buildCast(const DstOp &Dst,
492 LLT SrcTy = Src.getLLTTy(*getMRI());
493 LLT DstTy = Dst.getLLTTy(*getMRI());
495 return buildCopy(Dst, Src);
498 if (SrcTy.isPointer() && DstTy.isScalar())
499 Opcode = TargetOpcode::G_PTRTOINT;
500 else if (DstTy.isPointer() && SrcTy.isScalar())
501 Opcode = TargetOpcode::G_INTTOPTR;
503 assert(!SrcTy.isPointer() && !DstTy.isPointer() && "n G_ADDRCAST yet");
504 Opcode = TargetOpcode::G_BITCAST;
507 return buildInstr(Opcode, Dst, Src);
510 MachineInstrBuilder MachineIRBuilder::buildExtract(const DstOp &Dst,
513 LLT SrcTy = Src.getLLTTy(*getMRI());
514 LLT DstTy = Dst.getLLTTy(*getMRI());
517 assert(SrcTy.isValid() && "invalid operand type");
518 assert(DstTy.isValid() && "invalid operand type");
519 assert(Index + DstTy.getSizeInBits() <= SrcTy.getSizeInBits() &&
520 "extracting off end of register");
523 if (DstTy.getSizeInBits() == SrcTy.getSizeInBits()) {
524 assert(Index == 0 && "insertion past the end of a register");
525 return buildCast(Dst, Src);
528 auto Extract = buildInstr(TargetOpcode::G_EXTRACT);
529 Dst.addDefToMIB(*getMRI(), Extract);
530 Src.addSrcToMIB(Extract);
531 Extract.addImm(Index);
535 void MachineIRBuilder::buildSequence(Register Res, ArrayRef<Register> Ops,
536 ArrayRef<uint64_t> Indices) {
538 assert(Ops.size() == Indices.size() && "incompatible args");
539 assert(!Ops.empty() && "invalid trivial sequence");
540 assert(std::is_sorted(Indices.begin(), Indices.end()) &&
541 "sequence offsets must be in ascending order");
543 assert(getMRI()->getType(Res).isValid() && "invalid operand type");
545 assert(getMRI()->getType(Op).isValid() && "invalid operand type");
548 LLT ResTy = getMRI()->getType(Res);
549 LLT OpTy = getMRI()->getType(Ops[0]);
550 unsigned OpSize = OpTy.getSizeInBits();
551 bool MaybeMerge = true;
552 for (unsigned i = 0; i < Ops.size(); ++i) {
553 if (getMRI()->getType(Ops[i]) != OpTy || Indices[i] != i * OpSize) {
559 if (MaybeMerge && Ops.size() * OpSize == ResTy.getSizeInBits()) {
560 buildMerge(Res, Ops);
564 Register ResIn = getMRI()->createGenericVirtualRegister(ResTy);
567 for (unsigned i = 0; i < Ops.size(); ++i) {
568 Register ResOut = i + 1 == Ops.size()
570 : getMRI()->createGenericVirtualRegister(ResTy);
571 buildInsert(ResOut, ResIn, Ops[i], Indices[i]);
576 MachineInstrBuilder MachineIRBuilder::buildUndef(const DstOp &Res) {
577 return buildInstr(TargetOpcode::G_IMPLICIT_DEF, {Res}, {});
580 MachineInstrBuilder MachineIRBuilder::buildMerge(const DstOp &Res,
581 ArrayRef<Register> Ops) {
582 // Unfortunately to convert from ArrayRef<LLT> to ArrayRef<SrcOp>,
583 // we need some temporary storage for the DstOp objects. Here we use a
584 // sufficiently large SmallVector to not go through the heap.
585 SmallVector<SrcOp, 8> TmpVec(Ops.begin(), Ops.end());
586 assert(TmpVec.size() > 1);
587 return buildInstr(TargetOpcode::G_MERGE_VALUES, Res, TmpVec);
590 MachineInstrBuilder MachineIRBuilder::buildUnmerge(ArrayRef<LLT> Res,
592 // Unfortunately to convert from ArrayRef<LLT> to ArrayRef<DstOp>,
593 // we need some temporary storage for the DstOp objects. Here we use a
594 // sufficiently large SmallVector to not go through the heap.
595 SmallVector<DstOp, 8> TmpVec(Res.begin(), Res.end());
596 assert(TmpVec.size() > 1);
597 return buildInstr(TargetOpcode::G_UNMERGE_VALUES, TmpVec, Op);
600 MachineInstrBuilder MachineIRBuilder::buildUnmerge(LLT Res,
602 unsigned NumReg = Op.getLLTTy(*getMRI()).getSizeInBits() / Res.getSizeInBits();
603 SmallVector<Register, 8> TmpVec;
604 for (unsigned I = 0; I != NumReg; ++I)
605 TmpVec.push_back(getMRI()->createGenericVirtualRegister(Res));
606 return buildUnmerge(TmpVec, Op);
609 MachineInstrBuilder MachineIRBuilder::buildUnmerge(ArrayRef<Register> Res,
611 // Unfortunately to convert from ArrayRef<Register> to ArrayRef<DstOp>,
612 // we need some temporary storage for the DstOp objects. Here we use a
613 // sufficiently large SmallVector to not go through the heap.
614 SmallVector<DstOp, 8> TmpVec(Res.begin(), Res.end());
615 assert(TmpVec.size() > 1);
616 return buildInstr(TargetOpcode::G_UNMERGE_VALUES, TmpVec, Op);
619 MachineInstrBuilder MachineIRBuilder::buildBuildVector(const DstOp &Res,
620 ArrayRef<Register> Ops) {
621 // Unfortunately to convert from ArrayRef<Register> to ArrayRef<SrcOp>,
622 // we need some temporary storage for the DstOp objects. Here we use a
623 // sufficiently large SmallVector to not go through the heap.
624 SmallVector<SrcOp, 8> TmpVec(Ops.begin(), Ops.end());
625 return buildInstr(TargetOpcode::G_BUILD_VECTOR, Res, TmpVec);
628 MachineInstrBuilder MachineIRBuilder::buildSplatVector(const DstOp &Res,
630 SmallVector<SrcOp, 8> TmpVec(Res.getLLTTy(*getMRI()).getNumElements(), Src);
631 return buildInstr(TargetOpcode::G_BUILD_VECTOR, Res, TmpVec);
635 MachineIRBuilder::buildBuildVectorTrunc(const DstOp &Res,
636 ArrayRef<Register> Ops) {
637 // Unfortunately to convert from ArrayRef<Register> to ArrayRef<SrcOp>,
638 // we need some temporary storage for the DstOp objects. Here we use a
639 // sufficiently large SmallVector to not go through the heap.
640 SmallVector<SrcOp, 8> TmpVec(Ops.begin(), Ops.end());
641 return buildInstr(TargetOpcode::G_BUILD_VECTOR_TRUNC, Res, TmpVec);
645 MachineIRBuilder::buildConcatVectors(const DstOp &Res, ArrayRef<Register> Ops) {
646 // Unfortunately to convert from ArrayRef<Register> to ArrayRef<SrcOp>,
647 // we need some temporary storage for the DstOp objects. Here we use a
648 // sufficiently large SmallVector to not go through the heap.
649 SmallVector<SrcOp, 8> TmpVec(Ops.begin(), Ops.end());
650 return buildInstr(TargetOpcode::G_CONCAT_VECTORS, Res, TmpVec);
653 MachineInstrBuilder MachineIRBuilder::buildInsert(Register Res, Register Src,
654 Register Op, unsigned Index) {
655 assert(Index + getMRI()->getType(Op).getSizeInBits() <=
656 getMRI()->getType(Res).getSizeInBits() &&
657 "insertion past the end of a register");
659 if (getMRI()->getType(Res).getSizeInBits() ==
660 getMRI()->getType(Op).getSizeInBits()) {
661 return buildCast(Res, Op);
664 return buildInstr(TargetOpcode::G_INSERT)
671 MachineInstrBuilder MachineIRBuilder::buildIntrinsic(Intrinsic::ID ID,
672 ArrayRef<Register> ResultRegs,
673 bool HasSideEffects) {
675 buildInstr(HasSideEffects ? TargetOpcode::G_INTRINSIC_W_SIDE_EFFECTS
676 : TargetOpcode::G_INTRINSIC);
677 for (unsigned ResultReg : ResultRegs)
678 MIB.addDef(ResultReg);
679 MIB.addIntrinsicID(ID);
683 MachineInstrBuilder MachineIRBuilder::buildIntrinsic(Intrinsic::ID ID,
684 ArrayRef<DstOp> Results,
685 bool HasSideEffects) {
687 buildInstr(HasSideEffects ? TargetOpcode::G_INTRINSIC_W_SIDE_EFFECTS
688 : TargetOpcode::G_INTRINSIC);
689 for (DstOp Result : Results)
690 Result.addDefToMIB(*getMRI(), MIB);
691 MIB.addIntrinsicID(ID);
695 MachineInstrBuilder MachineIRBuilder::buildTrunc(const DstOp &Res,
697 return buildInstr(TargetOpcode::G_TRUNC, Res, Op);
700 MachineInstrBuilder MachineIRBuilder::buildFPTrunc(const DstOp &Res,
702 Optional<unsigned> Flags) {
703 return buildInstr(TargetOpcode::G_FPTRUNC, Res, Op, Flags);
706 MachineInstrBuilder MachineIRBuilder::buildICmp(CmpInst::Predicate Pred,
710 return buildInstr(TargetOpcode::G_ICMP, Res, {Pred, Op0, Op1});
713 MachineInstrBuilder MachineIRBuilder::buildFCmp(CmpInst::Predicate Pred,
717 Optional<unsigned> Flags) {
719 return buildInstr(TargetOpcode::G_FCMP, Res, {Pred, Op0, Op1}, Flags);
722 MachineInstrBuilder MachineIRBuilder::buildSelect(const DstOp &Res,
726 Optional<unsigned> Flags) {
728 return buildInstr(TargetOpcode::G_SELECT, {Res}, {Tst, Op0, Op1}, Flags);
732 MachineIRBuilder::buildInsertVectorElement(const DstOp &Res, const SrcOp &Val,
733 const SrcOp &Elt, const SrcOp &Idx) {
734 return buildInstr(TargetOpcode::G_INSERT_VECTOR_ELT, Res, {Val, Elt, Idx});
738 MachineIRBuilder::buildExtractVectorElement(const DstOp &Res, const SrcOp &Val,
740 return buildInstr(TargetOpcode::G_EXTRACT_VECTOR_ELT, Res, {Val, Idx});
743 MachineInstrBuilder MachineIRBuilder::buildAtomicCmpXchgWithSuccess(
744 Register OldValRes, Register SuccessRes, Register Addr, Register CmpVal,
745 Register NewVal, MachineMemOperand &MMO) {
747 LLT OldValResTy = getMRI()->getType(OldValRes);
748 LLT SuccessResTy = getMRI()->getType(SuccessRes);
749 LLT AddrTy = getMRI()->getType(Addr);
750 LLT CmpValTy = getMRI()->getType(CmpVal);
751 LLT NewValTy = getMRI()->getType(NewVal);
752 assert(OldValResTy.isScalar() && "invalid operand type");
753 assert(SuccessResTy.isScalar() && "invalid operand type");
754 assert(AddrTy.isPointer() && "invalid operand type");
755 assert(CmpValTy.isValid() && "invalid operand type");
756 assert(NewValTy.isValid() && "invalid operand type");
757 assert(OldValResTy == CmpValTy && "type mismatch");
758 assert(OldValResTy == NewValTy && "type mismatch");
761 return buildInstr(TargetOpcode::G_ATOMIC_CMPXCHG_WITH_SUCCESS)
767 .addMemOperand(&MMO);
771 MachineIRBuilder::buildAtomicCmpXchg(Register OldValRes, Register Addr,
772 Register CmpVal, Register NewVal,
773 MachineMemOperand &MMO) {
775 LLT OldValResTy = getMRI()->getType(OldValRes);
776 LLT AddrTy = getMRI()->getType(Addr);
777 LLT CmpValTy = getMRI()->getType(CmpVal);
778 LLT NewValTy = getMRI()->getType(NewVal);
779 assert(OldValResTy.isScalar() && "invalid operand type");
780 assert(AddrTy.isPointer() && "invalid operand type");
781 assert(CmpValTy.isValid() && "invalid operand type");
782 assert(NewValTy.isValid() && "invalid operand type");
783 assert(OldValResTy == CmpValTy && "type mismatch");
784 assert(OldValResTy == NewValTy && "type mismatch");
787 return buildInstr(TargetOpcode::G_ATOMIC_CMPXCHG)
792 .addMemOperand(&MMO);
795 MachineInstrBuilder MachineIRBuilder::buildAtomicRMW(
796 unsigned Opcode, const DstOp &OldValRes,
797 const SrcOp &Addr, const SrcOp &Val,
798 MachineMemOperand &MMO) {
801 LLT OldValResTy = OldValRes.getLLTTy(*getMRI());
802 LLT AddrTy = Addr.getLLTTy(*getMRI());
803 LLT ValTy = Val.getLLTTy(*getMRI());
804 assert(OldValResTy.isScalar() && "invalid operand type");
805 assert(AddrTy.isPointer() && "invalid operand type");
806 assert(ValTy.isValid() && "invalid operand type");
807 assert(OldValResTy == ValTy && "type mismatch");
808 assert(MMO.isAtomic() && "not atomic mem operand");
811 auto MIB = buildInstr(Opcode);
812 OldValRes.addDefToMIB(*getMRI(), MIB);
813 Addr.addSrcToMIB(MIB);
814 Val.addSrcToMIB(MIB);
815 MIB.addMemOperand(&MMO);
820 MachineIRBuilder::buildAtomicRMWXchg(Register OldValRes, Register Addr,
821 Register Val, MachineMemOperand &MMO) {
822 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_XCHG, OldValRes, Addr, Val,
826 MachineIRBuilder::buildAtomicRMWAdd(Register OldValRes, Register Addr,
827 Register Val, MachineMemOperand &MMO) {
828 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_ADD, OldValRes, Addr, Val,
832 MachineIRBuilder::buildAtomicRMWSub(Register OldValRes, Register Addr,
833 Register Val, MachineMemOperand &MMO) {
834 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_SUB, OldValRes, Addr, Val,
838 MachineIRBuilder::buildAtomicRMWAnd(Register OldValRes, Register Addr,
839 Register Val, MachineMemOperand &MMO) {
840 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_AND, OldValRes, Addr, Val,
844 MachineIRBuilder::buildAtomicRMWNand(Register OldValRes, Register Addr,
845 Register Val, MachineMemOperand &MMO) {
846 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_NAND, OldValRes, Addr, Val,
849 MachineInstrBuilder MachineIRBuilder::buildAtomicRMWOr(Register OldValRes,
852 MachineMemOperand &MMO) {
853 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_OR, OldValRes, Addr, Val,
857 MachineIRBuilder::buildAtomicRMWXor(Register OldValRes, Register Addr,
858 Register Val, MachineMemOperand &MMO) {
859 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_XOR, OldValRes, Addr, Val,
863 MachineIRBuilder::buildAtomicRMWMax(Register OldValRes, Register Addr,
864 Register Val, MachineMemOperand &MMO) {
865 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_MAX, OldValRes, Addr, Val,
869 MachineIRBuilder::buildAtomicRMWMin(Register OldValRes, Register Addr,
870 Register Val, MachineMemOperand &MMO) {
871 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_MIN, OldValRes, Addr, Val,
875 MachineIRBuilder::buildAtomicRMWUmax(Register OldValRes, Register Addr,
876 Register Val, MachineMemOperand &MMO) {
877 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_UMAX, OldValRes, Addr, Val,
881 MachineIRBuilder::buildAtomicRMWUmin(Register OldValRes, Register Addr,
882 Register Val, MachineMemOperand &MMO) {
883 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_UMIN, OldValRes, Addr, Val,
888 MachineIRBuilder::buildAtomicRMWFAdd(
889 const DstOp &OldValRes, const SrcOp &Addr, const SrcOp &Val,
890 MachineMemOperand &MMO) {
891 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_FADD, OldValRes, Addr, Val,
896 MachineIRBuilder::buildAtomicRMWFSub(const DstOp &OldValRes, const SrcOp &Addr, const SrcOp &Val,
897 MachineMemOperand &MMO) {
898 return buildAtomicRMW(TargetOpcode::G_ATOMICRMW_FSUB, OldValRes, Addr, Val,
903 MachineIRBuilder::buildFence(unsigned Ordering, unsigned Scope) {
904 return buildInstr(TargetOpcode::G_FENCE)
910 MachineIRBuilder::buildBlockAddress(Register Res, const BlockAddress *BA) {
912 assert(getMRI()->getType(Res).isPointer() && "invalid res type");
915 return buildInstr(TargetOpcode::G_BLOCK_ADDR).addDef(Res).addBlockAddress(BA);
918 void MachineIRBuilder::validateTruncExt(const LLT &DstTy, const LLT &SrcTy,
921 if (DstTy.isVector()) {
922 assert(SrcTy.isVector() && "mismatched cast between vector and non-vector");
923 assert(SrcTy.getNumElements() == DstTy.getNumElements() &&
924 "different number of elements in a trunc/ext");
926 assert(DstTy.isScalar() && SrcTy.isScalar() && "invalid extend/trunc");
929 assert(DstTy.getSizeInBits() > SrcTy.getSizeInBits() &&
930 "invalid narrowing extend");
932 assert(DstTy.getSizeInBits() < SrcTy.getSizeInBits() &&
933 "invalid widening trunc");
937 void MachineIRBuilder::validateSelectOp(const LLT &ResTy, const LLT &TstTy,
938 const LLT &Op0Ty, const LLT &Op1Ty) {
940 assert((ResTy.isScalar() || ResTy.isVector() || ResTy.isPointer()) &&
941 "invalid operand type");
942 assert((ResTy == Op0Ty && ResTy == Op1Ty) && "type mismatch");
943 if (ResTy.isScalar() || ResTy.isPointer())
944 assert(TstTy.isScalar() && "type mismatch");
946 assert((TstTy.isScalar() ||
948 TstTy.getNumElements() == Op0Ty.getNumElements())) &&
953 MachineInstrBuilder MachineIRBuilder::buildInstr(unsigned Opc,
954 ArrayRef<DstOp> DstOps,
955 ArrayRef<SrcOp> SrcOps,
956 Optional<unsigned> Flags) {
960 case TargetOpcode::G_SELECT: {
961 assert(DstOps.size() == 1 && "Invalid select");
962 assert(SrcOps.size() == 3 && "Invalid select");
964 DstOps[0].getLLTTy(*getMRI()), SrcOps[0].getLLTTy(*getMRI()),
965 SrcOps[1].getLLTTy(*getMRI()), SrcOps[2].getLLTTy(*getMRI()));
968 case TargetOpcode::G_ADD:
969 case TargetOpcode::G_AND:
970 case TargetOpcode::G_MUL:
971 case TargetOpcode::G_OR:
972 case TargetOpcode::G_SUB:
973 case TargetOpcode::G_XOR:
974 case TargetOpcode::G_UDIV:
975 case TargetOpcode::G_SDIV:
976 case TargetOpcode::G_UREM:
977 case TargetOpcode::G_SREM:
978 case TargetOpcode::G_SMIN:
979 case TargetOpcode::G_SMAX:
980 case TargetOpcode::G_UMIN:
981 case TargetOpcode::G_UMAX: {
982 // All these are binary ops.
983 assert(DstOps.size() == 1 && "Invalid Dst");
984 assert(SrcOps.size() == 2 && "Invalid Srcs");
985 validateBinaryOp(DstOps[0].getLLTTy(*getMRI()),
986 SrcOps[0].getLLTTy(*getMRI()),
987 SrcOps[1].getLLTTy(*getMRI()));
990 case TargetOpcode::G_SHL:
991 case TargetOpcode::G_ASHR:
992 case TargetOpcode::G_LSHR: {
993 assert(DstOps.size() == 1 && "Invalid Dst");
994 assert(SrcOps.size() == 2 && "Invalid Srcs");
995 validateShiftOp(DstOps[0].getLLTTy(*getMRI()),
996 SrcOps[0].getLLTTy(*getMRI()),
997 SrcOps[1].getLLTTy(*getMRI()));
1000 case TargetOpcode::G_SEXT:
1001 case TargetOpcode::G_ZEXT:
1002 case TargetOpcode::G_ANYEXT:
1003 assert(DstOps.size() == 1 && "Invalid Dst");
1004 assert(SrcOps.size() == 1 && "Invalid Srcs");
1005 validateTruncExt(DstOps[0].getLLTTy(*getMRI()),
1006 SrcOps[0].getLLTTy(*getMRI()), true);
1008 case TargetOpcode::G_TRUNC:
1009 case TargetOpcode::G_FPTRUNC: {
1010 assert(DstOps.size() == 1 && "Invalid Dst");
1011 assert(SrcOps.size() == 1 && "Invalid Srcs");
1012 validateTruncExt(DstOps[0].getLLTTy(*getMRI()),
1013 SrcOps[0].getLLTTy(*getMRI()), false);
1016 case TargetOpcode::COPY:
1017 assert(DstOps.size() == 1 && "Invalid Dst");
1018 // If the caller wants to add a subreg source it has to be done separately
1019 // so we may not have any SrcOps at this point yet.
1021 case TargetOpcode::G_FCMP:
1022 case TargetOpcode::G_ICMP: {
1023 assert(DstOps.size() == 1 && "Invalid Dst Operands");
1024 assert(SrcOps.size() == 3 && "Invalid Src Operands");
1025 // For F/ICMP, the first src operand is the predicate, followed by
1026 // the two comparands.
1027 assert(SrcOps[0].getSrcOpKind() == SrcOp::SrcType::Ty_Predicate &&
1028 "Expecting predicate");
1029 assert([&]() -> bool {
1030 CmpInst::Predicate Pred = SrcOps[0].getPredicate();
1031 return Opc == TargetOpcode::G_ICMP ? CmpInst::isIntPredicate(Pred)
1032 : CmpInst::isFPPredicate(Pred);
1033 }() && "Invalid predicate");
1034 assert(SrcOps[1].getLLTTy(*getMRI()) == SrcOps[2].getLLTTy(*getMRI()) &&
1036 assert([&]() -> bool {
1037 LLT Op0Ty = SrcOps[1].getLLTTy(*getMRI());
1038 LLT DstTy = DstOps[0].getLLTTy(*getMRI());
1039 if (Op0Ty.isScalar() || Op0Ty.isPointer())
1040 return DstTy.isScalar();
1042 return DstTy.isVector() &&
1043 DstTy.getNumElements() == Op0Ty.getNumElements();
1044 }() && "Type Mismatch");
1047 case TargetOpcode::G_UNMERGE_VALUES: {
1048 assert(!DstOps.empty() && "Invalid trivial sequence");
1049 assert(SrcOps.size() == 1 && "Invalid src for Unmerge");
1050 assert(std::all_of(DstOps.begin(), DstOps.end(),
1051 [&, this](const DstOp &Op) {
1052 return Op.getLLTTy(*getMRI()) ==
1053 DstOps[0].getLLTTy(*getMRI());
1055 "type mismatch in output list");
1056 assert(DstOps.size() * DstOps[0].getLLTTy(*getMRI()).getSizeInBits() ==
1057 SrcOps[0].getLLTTy(*getMRI()).getSizeInBits() &&
1058 "input operands do not cover output register");
1061 case TargetOpcode::G_MERGE_VALUES: {
1062 assert(!SrcOps.empty() && "invalid trivial sequence");
1063 assert(DstOps.size() == 1 && "Invalid Dst");
1064 assert(std::all_of(SrcOps.begin(), SrcOps.end(),
1065 [&, this](const SrcOp &Op) {
1066 return Op.getLLTTy(*getMRI()) ==
1067 SrcOps[0].getLLTTy(*getMRI());
1069 "type mismatch in input list");
1070 assert(SrcOps.size() * SrcOps[0].getLLTTy(*getMRI()).getSizeInBits() ==
1071 DstOps[0].getLLTTy(*getMRI()).getSizeInBits() &&
1072 "input operands do not cover output register");
1073 if (SrcOps.size() == 1)
1074 return buildCast(DstOps[0], SrcOps[0]);
1075 if (DstOps[0].getLLTTy(*getMRI()).isVector()) {
1076 if (SrcOps[0].getLLTTy(*getMRI()).isVector())
1077 return buildInstr(TargetOpcode::G_CONCAT_VECTORS, DstOps, SrcOps);
1078 return buildInstr(TargetOpcode::G_BUILD_VECTOR, DstOps, SrcOps);
1082 case TargetOpcode::G_EXTRACT_VECTOR_ELT: {
1083 assert(DstOps.size() == 1 && "Invalid Dst size");
1084 assert(SrcOps.size() == 2 && "Invalid Src size");
1085 assert(SrcOps[0].getLLTTy(*getMRI()).isVector() && "Invalid operand type");
1086 assert((DstOps[0].getLLTTy(*getMRI()).isScalar() ||
1087 DstOps[0].getLLTTy(*getMRI()).isPointer()) &&
1088 "Invalid operand type");
1089 assert(SrcOps[1].getLLTTy(*getMRI()).isScalar() && "Invalid operand type");
1090 assert(SrcOps[0].getLLTTy(*getMRI()).getElementType() ==
1091 DstOps[0].getLLTTy(*getMRI()) &&
1095 case TargetOpcode::G_INSERT_VECTOR_ELT: {
1096 assert(DstOps.size() == 1 && "Invalid dst size");
1097 assert(SrcOps.size() == 3 && "Invalid src size");
1098 assert(DstOps[0].getLLTTy(*getMRI()).isVector() &&
1099 SrcOps[0].getLLTTy(*getMRI()).isVector() && "Invalid operand type");
1100 assert(DstOps[0].getLLTTy(*getMRI()).getElementType() ==
1101 SrcOps[1].getLLTTy(*getMRI()) &&
1103 assert(SrcOps[2].getLLTTy(*getMRI()).isScalar() && "Invalid index");
1104 assert(DstOps[0].getLLTTy(*getMRI()).getNumElements() ==
1105 SrcOps[0].getLLTTy(*getMRI()).getNumElements() &&
1109 case TargetOpcode::G_BUILD_VECTOR: {
1110 assert((!SrcOps.empty() || SrcOps.size() < 2) &&
1111 "Must have at least 2 operands");
1112 assert(DstOps.size() == 1 && "Invalid DstOps");
1113 assert(DstOps[0].getLLTTy(*getMRI()).isVector() &&
1114 "Res type must be a vector");
1115 assert(std::all_of(SrcOps.begin(), SrcOps.end(),
1116 [&, this](const SrcOp &Op) {
1117 return Op.getLLTTy(*getMRI()) ==
1118 SrcOps[0].getLLTTy(*getMRI());
1120 "type mismatch in input list");
1121 assert(SrcOps.size() * SrcOps[0].getLLTTy(*getMRI()).getSizeInBits() ==
1122 DstOps[0].getLLTTy(*getMRI()).getSizeInBits() &&
1123 "input scalars do not exactly cover the output vector register");
1126 case TargetOpcode::G_BUILD_VECTOR_TRUNC: {
1127 assert((!SrcOps.empty() || SrcOps.size() < 2) &&
1128 "Must have at least 2 operands");
1129 assert(DstOps.size() == 1 && "Invalid DstOps");
1130 assert(DstOps[0].getLLTTy(*getMRI()).isVector() &&
1131 "Res type must be a vector");
1132 assert(std::all_of(SrcOps.begin(), SrcOps.end(),
1133 [&, this](const SrcOp &Op) {
1134 return Op.getLLTTy(*getMRI()) ==
1135 SrcOps[0].getLLTTy(*getMRI());
1137 "type mismatch in input list");
1138 if (SrcOps[0].getLLTTy(*getMRI()).getSizeInBits() ==
1139 DstOps[0].getLLTTy(*getMRI()).getElementType().getSizeInBits())
1140 return buildInstr(TargetOpcode::G_BUILD_VECTOR, DstOps, SrcOps);
1143 case TargetOpcode::G_CONCAT_VECTORS: {
1144 assert(DstOps.size() == 1 && "Invalid DstOps");
1145 assert((!SrcOps.empty() || SrcOps.size() < 2) &&
1146 "Must have at least 2 operands");
1147 assert(std::all_of(SrcOps.begin(), SrcOps.end(),
1148 [&, this](const SrcOp &Op) {
1149 return (Op.getLLTTy(*getMRI()).isVector() &&
1150 Op.getLLTTy(*getMRI()) ==
1151 SrcOps[0].getLLTTy(*getMRI()));
1153 "type mismatch in input list");
1154 assert(SrcOps.size() * SrcOps[0].getLLTTy(*getMRI()).getSizeInBits() ==
1155 DstOps[0].getLLTTy(*getMRI()).getSizeInBits() &&
1156 "input vectors do not exactly cover the output vector register");
1159 case TargetOpcode::G_UADDE: {
1160 assert(DstOps.size() == 2 && "Invalid no of dst operands");
1161 assert(SrcOps.size() == 3 && "Invalid no of src operands");
1162 assert(DstOps[0].getLLTTy(*getMRI()).isScalar() && "Invalid operand");
1163 assert((DstOps[0].getLLTTy(*getMRI()) == SrcOps[0].getLLTTy(*getMRI())) &&
1164 (DstOps[0].getLLTTy(*getMRI()) == SrcOps[1].getLLTTy(*getMRI())) &&
1166 assert(DstOps[1].getLLTTy(*getMRI()).isScalar() && "Invalid operand");
1167 assert(DstOps[1].getLLTTy(*getMRI()) == SrcOps[2].getLLTTy(*getMRI()) &&
1173 auto MIB = buildInstr(Opc);
1174 for (const DstOp &Op : DstOps)
1175 Op.addDefToMIB(*getMRI(), MIB);
1176 for (const SrcOp &Op : SrcOps)
1177 Op.addSrcToMIB(MIB);
1179 MIB->setFlags(*Flags);