MLIR  20.0.0git
LLVMToLLVMIRTranslation.cpp
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1 //===- LLVMToLLVMIRTranslation.cpp - Translate LLVM dialect to LLVM IR ----===//
2 //
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
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements a translation between the MLIR LLVM dialect and LLVM IR.
10 //
11 //===----------------------------------------------------------------------===//
12 
15 #include "mlir/IR/Operation.h"
16 #include "mlir/Support/LLVM.h"
18 
19 #include "llvm/IR/IRBuilder.h"
20 #include "llvm/IR/InlineAsm.h"
21 #include "llvm/IR/MDBuilder.h"
22 #include "llvm/IR/MatrixBuilder.h"
23 #include "llvm/IR/Operator.h"
24 
25 using namespace mlir;
26 using namespace mlir::LLVM;
28 
29 #include "mlir/Dialect/LLVMIR/LLVMConversionEnumsToLLVM.inc"
30 
31 static llvm::FastMathFlags getFastmathFlags(FastmathFlagsInterface &op) {
32  using llvmFMF = llvm::FastMathFlags;
33  using FuncT = void (llvmFMF::*)(bool);
34  const std::pair<FastmathFlags, FuncT> handlers[] = {
35  // clang-format off
36  {FastmathFlags::nnan, &llvmFMF::setNoNaNs},
37  {FastmathFlags::ninf, &llvmFMF::setNoInfs},
38  {FastmathFlags::nsz, &llvmFMF::setNoSignedZeros},
39  {FastmathFlags::arcp, &llvmFMF::setAllowReciprocal},
40  {FastmathFlags::contract, &llvmFMF::setAllowContract},
41  {FastmathFlags::afn, &llvmFMF::setApproxFunc},
42  {FastmathFlags::reassoc, &llvmFMF::setAllowReassoc},
43  // clang-format on
44  };
45  llvm::FastMathFlags ret;
46  ::mlir::LLVM::FastmathFlags fmfMlir = op.getFastmathAttr().getValue();
47  for (auto it : handlers)
48  if (bitEnumContainsAll(fmfMlir, it.first))
49  (ret.*(it.second))(true);
50  return ret;
51 }
52 
53 /// Convert the value of a DenseI64ArrayAttr to a vector of unsigned indices.
55  SmallVector<unsigned> position;
56  llvm::append_range(position, indices);
57  return position;
58 }
59 
60 /// Convert an LLVM type to a string for printing in diagnostics.
61 static std::string diagStr(const llvm::Type *type) {
62  std::string str;
63  llvm::raw_string_ostream os(str);
64  type->print(os);
65  return str;
66 }
67 
68 /// Get the declaration of an overloaded llvm intrinsic. First we get the
69 /// overloaded argument types and/or result type from the CallIntrinsicOp, and
70 /// then use those to get the correct declaration of the overloaded intrinsic.
71 static FailureOr<llvm::Function *>
73  llvm::Module *module,
74  LLVM::ModuleTranslation &moduleTranslation) {
76  for (Type type : op->getOperandTypes())
77  allArgTys.push_back(moduleTranslation.convertType(type));
78 
79  llvm::Type *resTy;
80  if (op.getNumResults() == 0)
81  resTy = llvm::Type::getVoidTy(module->getContext());
82  else
83  resTy = moduleTranslation.convertType(op.getResult(0).getType());
84 
85  // ATM we do not support variadic intrinsics.
86  llvm::FunctionType *ft = llvm::FunctionType::get(resTy, allArgTys, false);
87 
89  getIntrinsicInfoTableEntries(id, table);
91 
92  SmallVector<llvm::Type *, 8> overloadedArgTys;
93  if (llvm::Intrinsic::matchIntrinsicSignature(ft, tableRef,
94  overloadedArgTys) !=
95  llvm::Intrinsic::MatchIntrinsicTypesResult::MatchIntrinsicTypes_Match) {
96  return mlir::emitError(op.getLoc(), "call intrinsic signature ")
97  << diagStr(ft) << " to overloaded intrinsic " << op.getIntrinAttr()
98  << " does not match any of the overloads";
99  }
100 
101  ArrayRef<llvm::Type *> overloadedArgTysRef = overloadedArgTys;
102  return llvm::Intrinsic::getOrInsertDeclaration(module, id,
103  overloadedArgTysRef);
104 }
105 
106 static llvm::OperandBundleDef
107 convertOperandBundle(OperandRange bundleOperands, StringRef bundleTag,
108  LLVM::ModuleTranslation &moduleTranslation) {
109  std::vector<llvm::Value *> operands;
110  operands.reserve(bundleOperands.size());
111  for (Value bundleArg : bundleOperands)
112  operands.push_back(moduleTranslation.lookupValue(bundleArg));
113  return llvm::OperandBundleDef(bundleTag.str(), std::move(operands));
114 }
115 
117 convertOperandBundles(OperandRangeRange bundleOperands, ArrayAttr bundleTags,
118  LLVM::ModuleTranslation &moduleTranslation) {
120  bundles.reserve(bundleOperands.size());
121 
122  for (auto [operands, tagAttr] : llvm::zip_equal(bundleOperands, bundleTags)) {
123  StringRef tag = cast<StringAttr>(tagAttr).getValue();
124  bundles.push_back(convertOperandBundle(operands, tag, moduleTranslation));
125  }
126  return bundles;
127 }
128 
131  std::optional<ArrayAttr> bundleTags,
132  LLVM::ModuleTranslation &moduleTranslation) {
133  if (!bundleTags)
134  return {};
135  return convertOperandBundles(bundleOperands, *bundleTags, moduleTranslation);
136 }
137 
138 /// Builder for LLVM_CallIntrinsicOp
139 static LogicalResult
140 convertCallLLVMIntrinsicOp(CallIntrinsicOp op, llvm::IRBuilderBase &builder,
141  LLVM::ModuleTranslation &moduleTranslation) {
142  llvm::Module *module = builder.GetInsertBlock()->getModule();
144  llvm::Intrinsic::lookupIntrinsicID(op.getIntrinAttr());
145  if (!id)
146  return mlir::emitError(op.getLoc(), "could not find LLVM intrinsic: ")
147  << op.getIntrinAttr();
148 
149  llvm::Function *fn = nullptr;
150  if (llvm::Intrinsic::isOverloaded(id)) {
151  auto fnOrFailure =
152  getOverloadedDeclaration(op, id, module, moduleTranslation);
153  if (failed(fnOrFailure))
154  return failure();
155  fn = *fnOrFailure;
156  } else {
157  fn = llvm::Intrinsic::getOrInsertDeclaration(module, id, {});
158  }
159 
160  // Check the result type of the call.
161  const llvm::Type *intrinType =
162  op.getNumResults() == 0
163  ? llvm::Type::getVoidTy(module->getContext())
164  : moduleTranslation.convertType(op.getResultTypes().front());
165  if (intrinType != fn->getReturnType()) {
166  return mlir::emitError(op.getLoc(), "intrinsic call returns ")
167  << diagStr(intrinType) << " but " << op.getIntrinAttr()
168  << " actually returns " << diagStr(fn->getReturnType());
169  }
170 
171  // Check the argument types of the call. If the function is variadic, check
172  // the subrange of required arguments.
173  if (!fn->getFunctionType()->isVarArg() &&
174  op.getArgs().size() != fn->arg_size()) {
175  return mlir::emitError(op.getLoc(), "intrinsic call has ")
176  << op.getArgs().size() << " operands but " << op.getIntrinAttr()
177  << " expects " << fn->arg_size();
178  }
179  if (fn->getFunctionType()->isVarArg() &&
180  op.getArgs().size() < fn->arg_size()) {
181  return mlir::emitError(op.getLoc(), "intrinsic call has ")
182  << op.getArgs().size() << " operands but variadic "
183  << op.getIntrinAttr() << " expects at least " << fn->arg_size();
184  }
185  // Check the arguments up to the number the function requires.
186  for (unsigned i = 0, e = fn->arg_size(); i != e; ++i) {
187  const llvm::Type *expected = fn->getArg(i)->getType();
188  const llvm::Type *actual =
189  moduleTranslation.convertType(op.getOperandTypes()[i]);
190  if (actual != expected) {
191  return mlir::emitError(op.getLoc(), "intrinsic call operand #")
192  << i << " has type " << diagStr(actual) << " but "
193  << op.getIntrinAttr() << " expects " << diagStr(expected);
194  }
195  }
196 
197  FastmathFlagsInterface itf = op;
198  builder.setFastMathFlags(getFastmathFlags(itf));
199 
200  auto *inst = builder.CreateCall(
201  fn, moduleTranslation.lookupValues(op.getArgs()),
202  convertOperandBundles(op.getOpBundleOperands(), op.getOpBundleTags(),
203  moduleTranslation));
204  if (op.getNumResults() == 1)
205  moduleTranslation.mapValue(op->getResults().front()) = inst;
206  return success();
207 }
208 
209 static void convertLinkerOptionsOp(ArrayAttr options,
210  llvm::IRBuilderBase &builder,
211  LLVM::ModuleTranslation &moduleTranslation) {
212  llvm::Module *llvmModule = moduleTranslation.getLLVMModule();
213  llvm::LLVMContext &context = llvmModule->getContext();
214  llvm::NamedMDNode *linkerMDNode =
215  llvmModule->getOrInsertNamedMetadata("llvm.linker.options");
217  MDNodes.reserve(options.size());
218  for (auto s : options.getAsRange<StringAttr>()) {
219  auto *MDNode = llvm::MDString::get(context, s.getValue());
220  MDNodes.push_back(MDNode);
221  }
222 
223  auto *listMDNode = llvm::MDTuple::get(context, MDNodes);
224  linkerMDNode->addOperand(listMDNode);
225 }
226 
227 static LogicalResult
228 convertOperationImpl(Operation &opInst, llvm::IRBuilderBase &builder,
229  LLVM::ModuleTranslation &moduleTranslation) {
230 
231  llvm::IRBuilder<>::FastMathFlagGuard fmfGuard(builder);
232  if (auto fmf = dyn_cast<FastmathFlagsInterface>(opInst))
233  builder.setFastMathFlags(getFastmathFlags(fmf));
234 
235 #include "mlir/Dialect/LLVMIR/LLVMConversions.inc"
236 #include "mlir/Dialect/LLVMIR/LLVMIntrinsicConversions.inc"
237 
238  // Emit function calls. If the "callee" attribute is present, this is a
239  // direct function call and we also need to look up the remapped function
240  // itself. Otherwise, this is an indirect call and the callee is the first
241  // operand, look it up as a normal value.
242  if (auto callOp = dyn_cast<LLVM::CallOp>(opInst)) {
243  auto operands = moduleTranslation.lookupValues(callOp.getCalleeOperands());
245  convertOperandBundles(callOp.getOpBundleOperands(),
246  callOp.getOpBundleTags(), moduleTranslation);
247  ArrayRef<llvm::Value *> operandsRef(operands);
248  llvm::CallInst *call;
249  if (auto attr = callOp.getCalleeAttr()) {
250  call =
251  builder.CreateCall(moduleTranslation.lookupFunction(attr.getValue()),
252  operandsRef, opBundles);
253  } else {
254  llvm::FunctionType *calleeType = llvm::cast<llvm::FunctionType>(
255  moduleTranslation.convertType(callOp.getCalleeFunctionType()));
256  call = builder.CreateCall(calleeType, operandsRef.front(),
257  operandsRef.drop_front(), opBundles);
258  }
259  call->setCallingConv(convertCConvToLLVM(callOp.getCConv()));
260  call->setTailCallKind(convertTailCallKindToLLVM(callOp.getTailCallKind()));
261  if (callOp.getConvergentAttr())
262  call->addFnAttr(llvm::Attribute::Convergent);
263  if (callOp.getNoUnwindAttr())
264  call->addFnAttr(llvm::Attribute::NoUnwind);
265  if (callOp.getWillReturnAttr())
266  call->addFnAttr(llvm::Attribute::WillReturn);
267 
268  if (MemoryEffectsAttr memAttr = callOp.getMemoryEffectsAttr()) {
269  llvm::MemoryEffects memEffects =
270  llvm::MemoryEffects(llvm::MemoryEffects::Location::ArgMem,
271  convertModRefInfoToLLVM(memAttr.getArgMem())) |
272  llvm::MemoryEffects(
273  llvm::MemoryEffects::Location::InaccessibleMem,
274  convertModRefInfoToLLVM(memAttr.getInaccessibleMem())) |
275  llvm::MemoryEffects(llvm::MemoryEffects::Location::Other,
276  convertModRefInfoToLLVM(memAttr.getOther()));
277  call->setMemoryEffects(memEffects);
278  }
279 
280  moduleTranslation.setAccessGroupsMetadata(callOp, call);
281  moduleTranslation.setAliasScopeMetadata(callOp, call);
282  moduleTranslation.setTBAAMetadata(callOp, call);
283  // If the called function has a result, remap the corresponding value. Note
284  // that LLVM IR dialect CallOp has either 0 or 1 result.
285  if (opInst.getNumResults() != 0)
286  moduleTranslation.mapValue(opInst.getResult(0), call);
287  // Check that LLVM call returns void for 0-result functions.
288  else if (!call->getType()->isVoidTy())
289  return failure();
290  moduleTranslation.mapCall(callOp, call);
291  return success();
292  }
293 
294  if (auto inlineAsmOp = dyn_cast<LLVM::InlineAsmOp>(opInst)) {
295  // TODO: refactor function type creation which usually occurs in std-LLVM
296  // conversion.
297  SmallVector<Type, 8> operandTypes;
298  llvm::append_range(operandTypes, inlineAsmOp.getOperands().getTypes());
299 
300  Type resultType;
301  if (inlineAsmOp.getNumResults() == 0) {
302  resultType = LLVM::LLVMVoidType::get(&moduleTranslation.getContext());
303  } else {
304  assert(inlineAsmOp.getNumResults() == 1);
305  resultType = inlineAsmOp.getResultTypes()[0];
306  }
307  auto ft = LLVM::LLVMFunctionType::get(resultType, operandTypes);
308  llvm::InlineAsm *inlineAsmInst =
309  inlineAsmOp.getAsmDialect()
311  static_cast<llvm::FunctionType *>(
312  moduleTranslation.convertType(ft)),
313  inlineAsmOp.getAsmString(), inlineAsmOp.getConstraints(),
314  inlineAsmOp.getHasSideEffects(),
315  inlineAsmOp.getIsAlignStack(),
316  convertAsmDialectToLLVM(*inlineAsmOp.getAsmDialect()))
317  : llvm::InlineAsm::get(static_cast<llvm::FunctionType *>(
318  moduleTranslation.convertType(ft)),
319  inlineAsmOp.getAsmString(),
320  inlineAsmOp.getConstraints(),
321  inlineAsmOp.getHasSideEffects(),
322  inlineAsmOp.getIsAlignStack());
323  llvm::CallInst *inst = builder.CreateCall(
324  inlineAsmInst,
325  moduleTranslation.lookupValues(inlineAsmOp.getOperands()));
326  if (auto maybeOperandAttrs = inlineAsmOp.getOperandAttrs()) {
327  llvm::AttributeList attrList;
328  for (const auto &it : llvm::enumerate(*maybeOperandAttrs)) {
329  Attribute attr = it.value();
330  if (!attr)
331  continue;
332  DictionaryAttr dAttr = cast<DictionaryAttr>(attr);
333  TypeAttr tAttr =
334  cast<TypeAttr>(dAttr.get(InlineAsmOp::getElementTypeAttrName()));
335  llvm::AttrBuilder b(moduleTranslation.getLLVMContext());
336  llvm::Type *ty = moduleTranslation.convertType(tAttr.getValue());
337  b.addTypeAttr(llvm::Attribute::ElementType, ty);
338  // shift to account for the returned value (this is always 1 aggregate
339  // value in LLVM).
340  int shift = (opInst.getNumResults() > 0) ? 1 : 0;
341  attrList = attrList.addAttributesAtIndex(
342  moduleTranslation.getLLVMContext(), it.index() + shift, b);
343  }
344  inst->setAttributes(attrList);
345  }
346 
347  if (opInst.getNumResults() != 0)
348  moduleTranslation.mapValue(opInst.getResult(0), inst);
349  return success();
350  }
351 
352  if (auto invOp = dyn_cast<LLVM::InvokeOp>(opInst)) {
353  auto operands = moduleTranslation.lookupValues(invOp.getCalleeOperands());
355  convertOperandBundles(invOp.getOpBundleOperands(),
356  invOp.getOpBundleTags(), moduleTranslation);
357  ArrayRef<llvm::Value *> operandsRef(operands);
358  llvm::InvokeInst *result;
359  if (auto attr = opInst.getAttrOfType<FlatSymbolRefAttr>("callee")) {
360  result = builder.CreateInvoke(
361  moduleTranslation.lookupFunction(attr.getValue()),
362  moduleTranslation.lookupBlock(invOp.getSuccessor(0)),
363  moduleTranslation.lookupBlock(invOp.getSuccessor(1)), operandsRef,
364  opBundles);
365  } else {
366  llvm::FunctionType *calleeType = llvm::cast<llvm::FunctionType>(
367  moduleTranslation.convertType(invOp.getCalleeFunctionType()));
368  result = builder.CreateInvoke(
369  calleeType, operandsRef.front(),
370  moduleTranslation.lookupBlock(invOp.getSuccessor(0)),
371  moduleTranslation.lookupBlock(invOp.getSuccessor(1)),
372  operandsRef.drop_front(), opBundles);
373  }
374  result->setCallingConv(convertCConvToLLVM(invOp.getCConv()));
375  moduleTranslation.mapBranch(invOp, result);
376  // InvokeOp can only have 0 or 1 result
377  if (invOp->getNumResults() != 0) {
378  moduleTranslation.mapValue(opInst.getResult(0), result);
379  return success();
380  }
381  return success(result->getType()->isVoidTy());
382  }
383 
384  if (auto lpOp = dyn_cast<LLVM::LandingpadOp>(opInst)) {
385  llvm::Type *ty = moduleTranslation.convertType(lpOp.getType());
386  llvm::LandingPadInst *lpi =
387  builder.CreateLandingPad(ty, lpOp.getNumOperands());
388  lpi->setCleanup(lpOp.getCleanup());
389 
390  // Add clauses
391  for (llvm::Value *operand :
392  moduleTranslation.lookupValues(lpOp.getOperands())) {
393  // All operands should be constant - checked by verifier
394  if (auto *constOperand = dyn_cast<llvm::Constant>(operand))
395  lpi->addClause(constOperand);
396  }
397  moduleTranslation.mapValue(lpOp.getResult(), lpi);
398  return success();
399  }
400 
401  // Emit branches. We need to look up the remapped blocks and ignore the
402  // block arguments that were transformed into PHI nodes.
403  if (auto brOp = dyn_cast<LLVM::BrOp>(opInst)) {
404  llvm::BranchInst *branch =
405  builder.CreateBr(moduleTranslation.lookupBlock(brOp.getSuccessor()));
406  moduleTranslation.mapBranch(&opInst, branch);
407  moduleTranslation.setLoopMetadata(&opInst, branch);
408  return success();
409  }
410  if (auto condbrOp = dyn_cast<LLVM::CondBrOp>(opInst)) {
411  llvm::BranchInst *branch = builder.CreateCondBr(
412  moduleTranslation.lookupValue(condbrOp.getOperand(0)),
413  moduleTranslation.lookupBlock(condbrOp.getSuccessor(0)),
414  moduleTranslation.lookupBlock(condbrOp.getSuccessor(1)));
415  moduleTranslation.mapBranch(&opInst, branch);
416  moduleTranslation.setLoopMetadata(&opInst, branch);
417  return success();
418  }
419  if (auto switchOp = dyn_cast<LLVM::SwitchOp>(opInst)) {
420  llvm::SwitchInst *switchInst = builder.CreateSwitch(
421  moduleTranslation.lookupValue(switchOp.getValue()),
422  moduleTranslation.lookupBlock(switchOp.getDefaultDestination()),
423  switchOp.getCaseDestinations().size());
424 
425  // Handle switch with zero cases.
426  if (!switchOp.getCaseValues())
427  return success();
428 
429  auto *ty = llvm::cast<llvm::IntegerType>(
430  moduleTranslation.convertType(switchOp.getValue().getType()));
431  for (auto i :
432  llvm::zip(llvm::cast<DenseIntElementsAttr>(*switchOp.getCaseValues()),
433  switchOp.getCaseDestinations()))
434  switchInst->addCase(
435  llvm::ConstantInt::get(ty, std::get<0>(i).getLimitedValue()),
436  moduleTranslation.lookupBlock(std::get<1>(i)));
437 
438  moduleTranslation.mapBranch(&opInst, switchInst);
439  return success();
440  }
441 
442  // Emit addressof. We need to look up the global value referenced by the
443  // operation and store it in the MLIR-to-LLVM value mapping. This does not
444  // emit any LLVM instruction.
445  if (auto addressOfOp = dyn_cast<LLVM::AddressOfOp>(opInst)) {
446  LLVM::GlobalOp global =
447  addressOfOp.getGlobal(moduleTranslation.symbolTable());
448  LLVM::LLVMFuncOp function =
449  addressOfOp.getFunction(moduleTranslation.symbolTable());
450 
451  // The verifier should not have allowed this.
452  assert((global || function) &&
453  "referencing an undefined global or function");
454 
455  moduleTranslation.mapValue(
456  addressOfOp.getResult(),
457  global ? moduleTranslation.lookupGlobal(global)
458  : moduleTranslation.lookupFunction(function.getName()));
459  return success();
460  }
461 
462  return failure();
463 }
464 
465 namespace {
466 /// Implementation of the dialect interface that converts operations belonging
467 /// to the LLVM dialect to LLVM IR.
468 class LLVMDialectLLVMIRTranslationInterface
470 public:
472 
473  /// Translates the given operation to LLVM IR using the provided IR builder
474  /// and saving the state in `moduleTranslation`.
475  LogicalResult
476  convertOperation(Operation *op, llvm::IRBuilderBase &builder,
477  LLVM::ModuleTranslation &moduleTranslation) const final {
478  return convertOperationImpl(*op, builder, moduleTranslation);
479  }
480 };
481 } // namespace
482 
484  registry.insert<LLVM::LLVMDialect>();
485  registry.addExtension(+[](MLIRContext *ctx, LLVM::LLVMDialect *dialect) {
486  dialect->addInterfaces<LLVMDialectLLVMIRTranslationInterface>();
487  });
488 }
489 
491  DialectRegistry registry;
493  context.appendDialectRegistry(registry);
494 }
static SmallVector< unsigned > extractPosition(ArrayRef< int64_t > indices)
Convert the value of a DenseI64ArrayAttr to a vector of unsigned indices.
static std::string diagStr(const llvm::Type *type)
Convert an LLVM type to a string for printing in diagnostics.
static FailureOr< llvm::Function * > getOverloadedDeclaration(CallIntrinsicOp op, llvm::Intrinsic::ID id, llvm::Module *module, LLVM::ModuleTranslation &moduleTranslation)
Get the declaration of an overloaded llvm intrinsic.
static LogicalResult convertOperationImpl(Operation &opInst, llvm::IRBuilderBase &builder, LLVM::ModuleTranslation &moduleTranslation)
static SmallVector< llvm::OperandBundleDef > convertOperandBundles(OperandRangeRange bundleOperands, ArrayAttr bundleTags, LLVM::ModuleTranslation &moduleTranslation)
static LogicalResult convertCallLLVMIntrinsicOp(CallIntrinsicOp op, llvm::IRBuilderBase &builder, LLVM::ModuleTranslation &moduleTranslation)
Builder for LLVM_CallIntrinsicOp.
static llvm::FastMathFlags getFastmathFlags(FastmathFlagsInterface &op)
static llvm::OperandBundleDef convertOperandBundle(OperandRange bundleOperands, StringRef bundleTag, LLVM::ModuleTranslation &moduleTranslation)
static void convertLinkerOptionsOp(ArrayAttr options, llvm::IRBuilderBase &builder, LLVM::ModuleTranslation &moduleTranslation)
static llvm::ManagedStatic< PassManagerOptions > options
static void contract(RootOrderingGraph &graph, ArrayRef< Value > cycle, const DenseMap< Value, unsigned > &parentDepths, DenseMap< Value, Value > &actualSource, DenseMap< Value, Value > &actualTarget)
Contracts the specified cycle in the given graph in-place.
const float * table
Attributes are known-constant values of operations.
Definition: Attributes.h:25
The DialectRegistry maps a dialect namespace to a constructor for the matching dialect.
bool addExtension(TypeID extensionID, std::unique_ptr< DialectExtensionBase > extension)
Add the given extension to the registry.
A symbol reference with a reference path containing a single element.
Base class for dialect interfaces providing translation to LLVM IR.
Implementation class for module translation.
llvm::Value * lookupValue(Value value) const
Finds an LLVM IR value corresponding to the given MLIR value.
void mapCall(Operation *mlir, llvm::CallInst *llvm)
Stores a mapping between an MLIR call operation and a corresponding LLVM call instruction.
void mapBranch(Operation *mlir, llvm::Instruction *llvm)
Stores the mapping between an MLIR operation with successors and a corresponding LLVM IR instruction.
SmallVector< llvm::Value * > lookupValues(ValueRange values)
Looks up remapped a list of remapped values.
llvm::BasicBlock * lookupBlock(Block *block) const
Finds an LLVM IR basic block that corresponds to the given MLIR block.
SymbolTableCollection & symbolTable()
llvm::Type * convertType(Type type)
Converts the type from MLIR LLVM dialect to LLVM.
void setTBAAMetadata(AliasAnalysisOpInterface op, llvm::Instruction *inst)
Sets LLVM TBAA metadata for memory operations that have TBAA attributes.
llvm::LLVMContext & getLLVMContext() const
Returns the LLVM context in which the IR is being constructed.
llvm::GlobalValue * lookupGlobal(Operation *op)
Finds an LLVM IR global value that corresponds to the given MLIR operation defining a global value.
llvm::Module * getLLVMModule()
Returns the LLVM module in which the IR is being constructed.
llvm::Function * lookupFunction(StringRef name) const
Finds an LLVM IR function by its name.
void setAliasScopeMetadata(AliasAnalysisOpInterface op, llvm::Instruction *inst)
void setAccessGroupsMetadata(AccessGroupOpInterface op, llvm::Instruction *inst)
MLIRContext & getContext()
Returns the MLIR context of the module being translated.
void mapValue(Value mlir, llvm::Value *llvm)
Stores the mapping between an MLIR value and its LLVM IR counterpart.
void setLoopMetadata(Operation *op, llvm::Instruction *inst)
Sets LLVM loop metadata for branch operations that have a loop annotation attribute.
MLIRContext is the top-level object for a collection of MLIR operations.
Definition: MLIRContext.h:60
void appendDialectRegistry(const DialectRegistry &registry)
Append the contents of the given dialect registry to the registry associated with this context.
This class represents a contiguous range of operand ranges, e.g.
Definition: ValueRange.h:82
This class implements the operand iterators for the Operation class.
Definition: ValueRange.h:42
Operation is the basic unit of execution within MLIR.
Definition: Operation.h:88
AttrClass getAttrOfType(StringAttr name)
Definition: Operation.h:550
OpResult getResult(unsigned idx)
Get the 'idx'th result of this operation.
Definition: Operation.h:407
unsigned getNumResults()
Return the number of results held by this operation.
Definition: Operation.h:404
Instances of the Type class are uniqued, have an immutable identifier and an optional mutable compone...
Definition: Types.h:74
This class represents an instance of an SSA value in the MLIR system, representing a computable value...
Definition: Value.h:96
llvm::Constant * getLLVMConstant(llvm::Type *llvmType, Attribute attr, Location loc, const ModuleTranslation &moduleTranslation)
Create an LLVM IR constant of llvmType from the MLIR attribute attr.
constexpr void enumerate(std::tuple< Tys... > &tuple, CallbackT &&callback)
Definition: Matchers.h:344
Include the generated interface declarations.
InFlightDiagnostic emitError(Location loc)
Utility method to emit an error message using this location.
void registerLLVMDialectTranslation(DialectRegistry &registry)
Register the LLVM dialect and the translation from it to the LLVM IR in the given registry;.
auto get(MLIRContext *context, Ts &&...params)
Helper method that injects context only if needed, this helps unify some of the attribute constructio...