1 //===-- llvm/CodeGen/GlobalISel/MachineIRBuilder.cpp - MIBuilder--*- C++ -*-==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 /// This file implements the MachineIRBuidler class.
11 //===----------------------------------------------------------------------===//
12 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.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/TargetOpcodes.h"
20 #include "llvm/CodeGen/TargetSubtargetInfo.h"
21 #include "llvm/IR/DebugInfo.h"
25 void MachineIRBuilder::setMF(MachineFunction &MF) {
28 this->MRI = &MF.getRegInfo();
29 this->TII = MF.getSubtarget().getInstrInfo();
30 this->DL = DebugLoc();
31 this->II = MachineBasicBlock::iterator();
32 this->InsertedInstr = nullptr;
35 void MachineIRBuilder::setMBB(MachineBasicBlock &MBB) {
38 assert(&getMF() == MBB.getParent() &&
39 "Basic block is in a different function");
42 void MachineIRBuilder::setInstr(MachineInstr &MI) {
43 assert(MI.getParent() && "Instruction is not part of a basic block");
44 setMBB(*MI.getParent());
45 this->II = MI.getIterator();
48 void MachineIRBuilder::setInsertPt(MachineBasicBlock &MBB,
49 MachineBasicBlock::iterator II) {
50 assert(MBB.getParent() == &getMF() &&
51 "Basic block is in a different function");
56 void MachineIRBuilder::recordInsertions(
57 std::function<void(MachineInstr *)> Inserted) {
58 InsertedInstr = std::move(Inserted);
61 void MachineIRBuilder::stopRecordingInsertions() {
62 InsertedInstr = nullptr;
65 //------------------------------------------------------------------------------
66 // Build instruction variants.
67 //------------------------------------------------------------------------------
69 MachineInstrBuilder MachineIRBuilder::buildInstr(unsigned Opcode) {
70 return insertInstr(buildInstrNoInsert(Opcode));
73 MachineInstrBuilder MachineIRBuilder::buildInstrNoInsert(unsigned Opcode) {
74 MachineInstrBuilder MIB = BuildMI(getMF(), DL, getTII().get(Opcode));
79 MachineInstrBuilder MachineIRBuilder::insertInstr(MachineInstrBuilder MIB) {
80 getMBB().insert(getInsertPt(), MIB);
87 MachineIRBuilder::buildDirectDbgValue(unsigned Reg, const MDNode *Variable,
89 assert(isa<DILocalVariable>(Variable) && "not a variable");
90 assert(cast<DIExpression>(Expr)->isValid() && "not an expression");
91 assert(cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(DL) &&
92 "Expected inlined-at fields to agree");
93 return insertInstr(BuildMI(getMF(), DL, getTII().get(TargetOpcode::DBG_VALUE),
94 /*IsIndirect*/ false, Reg, Variable, Expr));
98 MachineIRBuilder::buildIndirectDbgValue(unsigned Reg, const MDNode *Variable,
100 assert(isa<DILocalVariable>(Variable) && "not a variable");
101 assert(cast<DIExpression>(Expr)->isValid() && "not an expression");
102 assert(cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(DL) &&
103 "Expected inlined-at fields to agree");
104 return insertInstr(BuildMI(getMF(), DL, getTII().get(TargetOpcode::DBG_VALUE),
105 /*IsIndirect*/ true, Reg, Variable, Expr));
108 MachineInstrBuilder MachineIRBuilder::buildFIDbgValue(int FI,
109 const MDNode *Variable,
110 const MDNode *Expr) {
111 assert(isa<DILocalVariable>(Variable) && "not a variable");
112 assert(cast<DIExpression>(Expr)->isValid() && "not an expression");
113 assert(cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(DL) &&
114 "Expected inlined-at fields to agree");
115 return buildInstr(TargetOpcode::DBG_VALUE)
118 .addMetadata(Variable)
122 MachineInstrBuilder MachineIRBuilder::buildConstDbgValue(const Constant &C,
123 const MDNode *Variable,
124 const MDNode *Expr) {
125 assert(isa<DILocalVariable>(Variable) && "not a variable");
126 assert(cast<DIExpression>(Expr)->isValid() && "not an expression");
127 assert(cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(DL) &&
128 "Expected inlined-at fields to agree");
129 auto MIB = buildInstr(TargetOpcode::DBG_VALUE);
130 if (auto *CI = dyn_cast<ConstantInt>(&C)) {
131 if (CI->getBitWidth() > 64)
134 MIB.addImm(CI->getZExtValue());
135 } else if (auto *CFP = dyn_cast<ConstantFP>(&C)) {
138 // Insert %noreg if we didn't find a usable constant and had to drop it.
142 return MIB.addImm(0).addMetadata(Variable).addMetadata(Expr);
145 MachineInstrBuilder MachineIRBuilder::buildFrameIndex(unsigned Res, int Idx) {
146 assert(MRI->getType(Res).isPointer() && "invalid operand type");
147 return buildInstr(TargetOpcode::G_FRAME_INDEX)
152 MachineInstrBuilder MachineIRBuilder::buildGlobalValue(unsigned Res,
153 const GlobalValue *GV) {
154 assert(MRI->getType(Res).isPointer() && "invalid operand type");
155 assert(MRI->getType(Res).getAddressSpace() ==
156 GV->getType()->getAddressSpace() &&
157 "address space mismatch");
159 return buildInstr(TargetOpcode::G_GLOBAL_VALUE)
161 .addGlobalAddress(GV);
164 MachineInstrBuilder MachineIRBuilder::buildBinaryOp(unsigned Opcode, unsigned Res, unsigned Op0,
166 assert((MRI->getType(Res).isScalar() || MRI->getType(Res).isVector()) &&
167 "invalid operand type");
168 assert(MRI->getType(Res) == MRI->getType(Op0) &&
169 MRI->getType(Res) == MRI->getType(Op1) && "type mismatch");
171 return buildInstr(Opcode)
177 MachineInstrBuilder MachineIRBuilder::buildAdd(unsigned Res, unsigned Op0,
179 return buildBinaryOp(TargetOpcode::G_ADD, Res, Op0, Op1);
182 MachineInstrBuilder MachineIRBuilder::buildGEP(unsigned Res, unsigned Op0,
184 assert(MRI->getType(Res).isPointer() &&
185 MRI->getType(Res) == MRI->getType(Op0) && "type mismatch");
186 assert(MRI->getType(Op1).isScalar() && "invalid offset type");
188 return buildInstr(TargetOpcode::G_GEP)
194 Optional<MachineInstrBuilder>
195 MachineIRBuilder::materializeGEP(unsigned &Res, unsigned Op0,
196 const LLT &ValueTy, uint64_t Value) {
197 assert(Res == 0 && "Res is a result argument");
198 assert(ValueTy.isScalar() && "invalid offset type");
205 Res = MRI->createGenericVirtualRegister(MRI->getType(Op0));
206 unsigned TmpReg = MRI->createGenericVirtualRegister(ValueTy);
208 buildConstant(TmpReg, Value);
209 return buildGEP(Res, Op0, TmpReg);
212 MachineInstrBuilder MachineIRBuilder::buildPtrMask(unsigned Res, unsigned Op0,
214 assert(MRI->getType(Res).isPointer() &&
215 MRI->getType(Res) == MRI->getType(Op0) && "type mismatch");
217 return buildInstr(TargetOpcode::G_PTR_MASK)
223 MachineInstrBuilder MachineIRBuilder::buildSub(unsigned Res, unsigned Op0,
225 return buildBinaryOp(TargetOpcode::G_SUB, Res, Op0, Op1);
228 MachineInstrBuilder MachineIRBuilder::buildMul(unsigned Res, unsigned Op0,
230 return buildBinaryOp(TargetOpcode::G_MUL, Res, Op0, Op1);
233 MachineInstrBuilder MachineIRBuilder::buildAnd(unsigned Res, unsigned Op0,
235 return buildBinaryOp(TargetOpcode::G_AND, Res, Op0, Op1);
238 MachineInstrBuilder MachineIRBuilder::buildOr(unsigned Res, unsigned Op0,
240 return buildBinaryOp(TargetOpcode::G_OR, Res, Op0, Op1);
243 MachineInstrBuilder MachineIRBuilder::buildBr(MachineBasicBlock &Dest) {
244 return buildInstr(TargetOpcode::G_BR).addMBB(&Dest);
247 MachineInstrBuilder MachineIRBuilder::buildBrIndirect(unsigned Tgt) {
248 assert(MRI->getType(Tgt).isPointer() && "invalid branch destination");
249 return buildInstr(TargetOpcode::G_BRINDIRECT).addUse(Tgt);
252 MachineInstrBuilder MachineIRBuilder::buildCopy(unsigned Res, unsigned Op) {
253 assert(MRI->getType(Res) == LLT() || MRI->getType(Op) == LLT() ||
254 MRI->getType(Res) == MRI->getType(Op));
255 return buildInstr(TargetOpcode::COPY).addDef(Res).addUse(Op);
258 MachineInstrBuilder MachineIRBuilder::buildConstant(unsigned Res,
259 const ConstantInt &Val) {
260 LLT Ty = MRI->getType(Res);
262 assert((Ty.isScalar() || Ty.isPointer()) && "invalid operand type");
264 const ConstantInt *NewVal = &Val;
265 if (Ty.getSizeInBits() != Val.getBitWidth())
266 NewVal = ConstantInt::get(MF->getFunction().getContext(),
267 Val.getValue().sextOrTrunc(Ty.getSizeInBits()));
269 return buildInstr(TargetOpcode::G_CONSTANT).addDef(Res).addCImm(NewVal);
272 MachineInstrBuilder MachineIRBuilder::buildConstant(unsigned Res,
274 auto IntN = IntegerType::get(MF->getFunction().getContext(),
275 MRI->getType(Res).getSizeInBits());
276 ConstantInt *CI = ConstantInt::get(IntN, Val, true);
277 return buildConstant(Res, *CI);
280 MachineInstrBuilder MachineIRBuilder::buildFConstant(unsigned Res,
281 const ConstantFP &Val) {
282 assert(MRI->getType(Res).isScalar() && "invalid operand type");
284 return buildInstr(TargetOpcode::G_FCONSTANT).addDef(Res).addFPImm(&Val);
287 MachineInstrBuilder MachineIRBuilder::buildBrCond(unsigned Tst,
288 MachineBasicBlock &Dest) {
289 assert(MRI->getType(Tst).isScalar() && "invalid operand type");
291 return buildInstr(TargetOpcode::G_BRCOND).addUse(Tst).addMBB(&Dest);
294 MachineInstrBuilder MachineIRBuilder::buildLoad(unsigned Res, unsigned Addr,
295 MachineMemOperand &MMO) {
296 assert(MRI->getType(Res).isValid() && "invalid operand type");
297 assert(MRI->getType(Addr).isPointer() && "invalid operand type");
299 return buildInstr(TargetOpcode::G_LOAD)
302 .addMemOperand(&MMO);
305 MachineInstrBuilder MachineIRBuilder::buildStore(unsigned Val, unsigned Addr,
306 MachineMemOperand &MMO) {
307 assert(MRI->getType(Val).isValid() && "invalid operand type");
308 assert(MRI->getType(Addr).isPointer() && "invalid operand type");
310 return buildInstr(TargetOpcode::G_STORE)
313 .addMemOperand(&MMO);
316 MachineInstrBuilder MachineIRBuilder::buildUAdde(unsigned Res,
318 unsigned Op0, unsigned Op1,
320 assert(MRI->getType(Res).isScalar() && "invalid operand type");
321 assert(MRI->getType(Res) == MRI->getType(Op0) &&
322 MRI->getType(Res) == MRI->getType(Op1) && "type mismatch");
323 assert(MRI->getType(CarryOut).isScalar() && "invalid operand type");
324 assert(MRI->getType(CarryOut) == MRI->getType(CarryIn) && "type mismatch");
326 return buildInstr(TargetOpcode::G_UADDE)
334 MachineInstrBuilder MachineIRBuilder::buildAnyExt(unsigned Res, unsigned Op) {
335 validateTruncExt(Res, Op, true);
336 return buildInstr(TargetOpcode::G_ANYEXT).addDef(Res).addUse(Op);
339 MachineInstrBuilder MachineIRBuilder::buildSExt(unsigned Res, unsigned Op) {
340 validateTruncExt(Res, Op, true);
341 return buildInstr(TargetOpcode::G_SEXT).addDef(Res).addUse(Op);
344 MachineInstrBuilder MachineIRBuilder::buildZExt(unsigned Res, unsigned Op) {
345 validateTruncExt(Res, Op, true);
346 return buildInstr(TargetOpcode::G_ZEXT).addDef(Res).addUse(Op);
350 MachineIRBuilder::buildExtOrTrunc(unsigned ExtOpc, unsigned Res, unsigned Op) {
351 assert((TargetOpcode::G_ANYEXT == ExtOpc || TargetOpcode::G_ZEXT == ExtOpc ||
352 TargetOpcode::G_SEXT == ExtOpc) &&
353 "Expecting Extending Opc");
354 assert(MRI->getType(Res).isScalar() || MRI->getType(Res).isVector());
355 assert(MRI->getType(Res).isScalar() == MRI->getType(Op).isScalar());
357 unsigned Opcode = TargetOpcode::COPY;
358 if (MRI->getType(Res).getSizeInBits() > MRI->getType(Op).getSizeInBits())
360 else if (MRI->getType(Res).getSizeInBits() < MRI->getType(Op).getSizeInBits())
361 Opcode = TargetOpcode::G_TRUNC;
363 assert(MRI->getType(Res) == MRI->getType(Op));
365 return buildInstr(Opcode).addDef(Res).addUse(Op);
368 MachineInstrBuilder MachineIRBuilder::buildSExtOrTrunc(unsigned Res,
370 return buildExtOrTrunc(TargetOpcode::G_SEXT, Res, Op);
373 MachineInstrBuilder MachineIRBuilder::buildZExtOrTrunc(unsigned Res,
375 return buildExtOrTrunc(TargetOpcode::G_ZEXT, Res, Op);
378 MachineInstrBuilder MachineIRBuilder::buildAnyExtOrTrunc(unsigned Res,
380 return buildExtOrTrunc(TargetOpcode::G_ANYEXT, Res, Op);
383 MachineInstrBuilder MachineIRBuilder::buildCast(unsigned Dst, unsigned Src) {
384 LLT SrcTy = MRI->getType(Src);
385 LLT DstTy = MRI->getType(Dst);
387 return buildCopy(Dst, Src);
390 if (SrcTy.isPointer() && DstTy.isScalar())
391 Opcode = TargetOpcode::G_PTRTOINT;
392 else if (DstTy.isPointer() && SrcTy.isScalar())
393 Opcode = TargetOpcode::G_INTTOPTR;
395 assert(!SrcTy.isPointer() && !DstTy.isPointer() && "n G_ADDRCAST yet");
396 Opcode = TargetOpcode::G_BITCAST;
399 return buildInstr(Opcode).addDef(Dst).addUse(Src);
402 MachineInstrBuilder MachineIRBuilder::buildExtract(unsigned Res, unsigned Src,
405 assert(MRI->getType(Src).isValid() && "invalid operand type");
406 assert(MRI->getType(Res).isValid() && "invalid operand type");
407 assert(Index + MRI->getType(Res).getSizeInBits() <=
408 MRI->getType(Src).getSizeInBits() &&
409 "extracting off end of register");
412 if (MRI->getType(Res).getSizeInBits() == MRI->getType(Src).getSizeInBits()) {
413 assert(Index == 0 && "insertion past the end of a register");
414 return buildCast(Res, Src);
417 return buildInstr(TargetOpcode::G_EXTRACT)
423 void MachineIRBuilder::buildSequence(unsigned Res, ArrayRef<unsigned> Ops,
424 ArrayRef<uint64_t> Indices) {
426 assert(Ops.size() == Indices.size() && "incompatible args");
427 assert(!Ops.empty() && "invalid trivial sequence");
428 assert(std::is_sorted(Indices.begin(), Indices.end()) &&
429 "sequence offsets must be in ascending order");
431 assert(MRI->getType(Res).isValid() && "invalid operand type");
433 assert(MRI->getType(Op).isValid() && "invalid operand type");
436 LLT ResTy = MRI->getType(Res);
437 LLT OpTy = MRI->getType(Ops[0]);
438 unsigned OpSize = OpTy.getSizeInBits();
439 bool MaybeMerge = true;
440 for (unsigned i = 0; i < Ops.size(); ++i) {
441 if (MRI->getType(Ops[i]) != OpTy || Indices[i] != i * OpSize) {
447 if (MaybeMerge && Ops.size() * OpSize == ResTy.getSizeInBits()) {
448 buildMerge(Res, Ops);
452 unsigned ResIn = MRI->createGenericVirtualRegister(ResTy);
455 for (unsigned i = 0; i < Ops.size(); ++i) {
457 i + 1 == Ops.size() ? Res : MRI->createGenericVirtualRegister(ResTy);
458 buildInsert(ResOut, ResIn, Ops[i], Indices[i]);
463 MachineInstrBuilder MachineIRBuilder::buildUndef(unsigned Res) {
464 return buildInstr(TargetOpcode::G_IMPLICIT_DEF).addDef(Res);
467 MachineInstrBuilder MachineIRBuilder::buildMerge(unsigned Res,
468 ArrayRef<unsigned> Ops) {
471 assert(!Ops.empty() && "invalid trivial sequence");
472 LLT Ty = MRI->getType(Ops[0]);
474 assert(MRI->getType(Reg) == Ty && "type mismatch in input list");
475 assert(Ops.size() * MRI->getType(Ops[0]).getSizeInBits() ==
476 MRI->getType(Res).getSizeInBits() &&
477 "input operands do not cover output register");
481 return buildCast(Res, Ops[0]);
483 MachineInstrBuilder MIB = buildInstr(TargetOpcode::G_MERGE_VALUES);
485 for (unsigned i = 0; i < Ops.size(); ++i)
490 MachineInstrBuilder MachineIRBuilder::buildUnmerge(ArrayRef<unsigned> Res,
494 assert(!Res.empty() && "invalid trivial sequence");
495 LLT Ty = MRI->getType(Res[0]);
497 assert(MRI->getType(Reg) == Ty && "type mismatch in input list");
498 assert(Res.size() * MRI->getType(Res[0]).getSizeInBits() ==
499 MRI->getType(Op).getSizeInBits() &&
500 "input operands do not cover output register");
503 MachineInstrBuilder MIB = buildInstr(TargetOpcode::G_UNMERGE_VALUES);
504 for (unsigned i = 0; i < Res.size(); ++i)
510 MachineInstrBuilder MachineIRBuilder::buildInsert(unsigned Res, unsigned Src,
511 unsigned Op, unsigned Index) {
512 assert(Index + MRI->getType(Op).getSizeInBits() <=
513 MRI->getType(Res).getSizeInBits() &&
514 "insertion past the end of a register");
516 if (MRI->getType(Res).getSizeInBits() == MRI->getType(Op).getSizeInBits()) {
517 return buildCast(Res, Op);
520 return buildInstr(TargetOpcode::G_INSERT)
527 MachineInstrBuilder MachineIRBuilder::buildIntrinsic(Intrinsic::ID ID,
529 bool HasSideEffects) {
531 buildInstr(HasSideEffects ? TargetOpcode::G_INTRINSIC_W_SIDE_EFFECTS
532 : TargetOpcode::G_INTRINSIC);
535 MIB.addIntrinsicID(ID);
539 MachineInstrBuilder MachineIRBuilder::buildTrunc(unsigned Res, unsigned Op) {
540 validateTruncExt(Res, Op, false);
541 return buildInstr(TargetOpcode::G_TRUNC).addDef(Res).addUse(Op);
544 MachineInstrBuilder MachineIRBuilder::buildFPTrunc(unsigned Res, unsigned Op) {
545 validateTruncExt(Res, Op, false);
546 return buildInstr(TargetOpcode::G_FPTRUNC).addDef(Res).addUse(Op);
549 MachineInstrBuilder MachineIRBuilder::buildICmp(CmpInst::Predicate Pred,
550 unsigned Res, unsigned Op0,
553 assert(MRI->getType(Op0) == MRI->getType(Op0) && "type mismatch");
554 assert(CmpInst::isIntPredicate(Pred) && "invalid predicate");
555 if (MRI->getType(Op0).isScalar() || MRI->getType(Op0).isPointer())
556 assert(MRI->getType(Res).isScalar() && "type mismatch");
558 assert(MRI->getType(Res).isVector() &&
559 MRI->getType(Res).getNumElements() ==
560 MRI->getType(Op0).getNumElements() &&
564 return buildInstr(TargetOpcode::G_ICMP)
571 MachineInstrBuilder MachineIRBuilder::buildFCmp(CmpInst::Predicate Pred,
572 unsigned Res, unsigned Op0,
575 assert((MRI->getType(Op0).isScalar() || MRI->getType(Op0).isVector()) &&
576 "invalid operand type");
577 assert(MRI->getType(Op0) == MRI->getType(Op1) && "type mismatch");
578 assert(CmpInst::isFPPredicate(Pred) && "invalid predicate");
579 if (MRI->getType(Op0).isScalar())
580 assert(MRI->getType(Res).isScalar() && "type mismatch");
582 assert(MRI->getType(Res).isVector() &&
583 MRI->getType(Res).getNumElements() ==
584 MRI->getType(Op0).getNumElements() &&
588 return buildInstr(TargetOpcode::G_FCMP)
595 MachineInstrBuilder MachineIRBuilder::buildSelect(unsigned Res, unsigned Tst,
596 unsigned Op0, unsigned Op1) {
598 LLT ResTy = MRI->getType(Res);
599 assert((ResTy.isScalar() || ResTy.isVector() || ResTy.isPointer()) &&
600 "invalid operand type");
601 assert(ResTy == MRI->getType(Op0) && ResTy == MRI->getType(Op1) &&
603 if (ResTy.isScalar() || ResTy.isPointer())
604 assert(MRI->getType(Tst).isScalar() && "type mismatch");
606 assert((MRI->getType(Tst).isScalar() ||
607 (MRI->getType(Tst).isVector() &&
608 MRI->getType(Tst).getNumElements() ==
609 MRI->getType(Op0).getNumElements())) &&
613 return buildInstr(TargetOpcode::G_SELECT)
620 MachineInstrBuilder MachineIRBuilder::buildInsertVectorElement(unsigned Res,
625 LLT ResTy = MRI->getType(Res);
626 LLT ValTy = MRI->getType(Val);
627 LLT EltTy = MRI->getType(Elt);
628 LLT IdxTy = MRI->getType(Idx);
629 assert(ResTy.isVector() && ValTy.isVector() && "invalid operand type");
630 assert(IdxTy.isScalar() && "invalid operand type");
631 assert(ResTy.getNumElements() == ValTy.getNumElements() && "type mismatch");
632 assert(ResTy.getElementType() == EltTy && "type mismatch");
635 return buildInstr(TargetOpcode::G_INSERT_VECTOR_ELT)
642 MachineInstrBuilder MachineIRBuilder::buildExtractVectorElement(unsigned Res,
646 LLT ResTy = MRI->getType(Res);
647 LLT ValTy = MRI->getType(Val);
648 LLT IdxTy = MRI->getType(Idx);
649 assert(ValTy.isVector() && "invalid operand type");
650 assert((ResTy.isScalar() || ResTy.isPointer()) && "invalid operand type");
651 assert(IdxTy.isScalar() && "invalid operand type");
652 assert(ValTy.getElementType() == ResTy && "type mismatch");
655 return buildInstr(TargetOpcode::G_EXTRACT_VECTOR_ELT)
662 MachineIRBuilder::buildAtomicCmpXchg(unsigned OldValRes, unsigned Addr,
663 unsigned CmpVal, unsigned NewVal,
664 MachineMemOperand &MMO) {
666 LLT OldValResTy = MRI->getType(OldValRes);
667 LLT AddrTy = MRI->getType(Addr);
668 LLT CmpValTy = MRI->getType(CmpVal);
669 LLT NewValTy = MRI->getType(NewVal);
670 assert(OldValResTy.isScalar() && "invalid operand type");
671 assert(AddrTy.isPointer() && "invalid operand type");
672 assert(CmpValTy.isValid() && "invalid operand type");
673 assert(NewValTy.isValid() && "invalid operand type");
674 assert(OldValResTy == CmpValTy && "type mismatch");
675 assert(OldValResTy == NewValTy && "type mismatch");
678 return buildInstr(TargetOpcode::G_ATOMIC_CMPXCHG)
683 .addMemOperand(&MMO);
686 void MachineIRBuilder::validateTruncExt(unsigned Dst, unsigned Src,
689 LLT SrcTy = MRI->getType(Src);
690 LLT DstTy = MRI->getType(Dst);
692 if (DstTy.isVector()) {
693 assert(SrcTy.isVector() && "mismatched cast between vecot and non-vector");
694 assert(SrcTy.getNumElements() == DstTy.getNumElements() &&
695 "different number of elements in a trunc/ext");
697 assert(DstTy.isScalar() && SrcTy.isScalar() && "invalid extend/trunc");
700 assert(DstTy.getSizeInBits() > SrcTy.getSizeInBits() &&
701 "invalid narrowing extend");
703 assert(DstTy.getSizeInBits() < SrcTy.getSizeInBits() &&
704 "invalid widening trunc");