1 //===- SimplifyIntrinsics.cpp -- replace intrinsics with simpler form -----===//
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 //===----------------------------------------------------------------------===//
11 /// This pass looks for suitable calls to runtime library for intrinsics that
12 /// can be simplified/specialized and replaces with a specialized function.
14 /// For example, SUM(arr) can be specialized as a simple function with one loop,
15 /// compared to the three arguments (plus file & line info) that the runtime
16 /// call has - when the argument is a 1D-array (multiple loops may be needed
17 // for higher dimension arrays, of course)
19 /// The general idea is that besides making the call simpler, it can also be
20 /// inlined by other passes that run after this pass, which further improves
21 /// performance, particularly when the work done in the function is trivial
22 /// and small in size.
23 //===----------------------------------------------------------------------===//
25 #include "flang/Optimizer/Builder/BoxValue.h"
26 #include "flang/Optimizer/Builder/FIRBuilder.h"
27 #include "flang/Optimizer/Builder/Todo.h"
28 #include "flang/Optimizer/Dialect/FIROps.h"
29 #include "flang/Optimizer/Dialect/FIRType.h"
30 #include "flang/Optimizer/Support/FIRContext.h"
31 #include "flang/Optimizer/Transforms/Passes.h"
32 #include "mlir/Dialect/LLVMIR/LLVMDialect.h"
33 #include "mlir/IR/Matchers.h"
34 #include "mlir/IR/TypeUtilities.h"
35 #include "mlir/Pass/Pass.h"
36 #include "mlir/Transforms/DialectConversion.h"
37 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
38 #include "mlir/Transforms/RegionUtils.h"
39 #include "llvm/ADT/Optional.h"
40 #include "llvm/Support/Debug.h"
41 #include "llvm/Support/raw_ostream.h"
44 #define GEN_PASS_DEF_SIMPLIFYINTRINSICS
45 #include "flang/Optimizer/Transforms/Passes.h.inc"
48 #define DEBUG_TYPE "flang-simplify-intrinsics"
52 class SimplifyIntrinsicsPass
53 : public fir::impl::SimplifyIntrinsicsBase<SimplifyIntrinsicsPass> {
54 using FunctionTypeGeneratorTy =
55 llvm::function_ref<mlir::FunctionType(fir::FirOpBuilder &)>;
56 using FunctionBodyGeneratorTy =
57 llvm::function_ref<void(fir::FirOpBuilder &, mlir::func::FuncOp &)>;
58 using GenReductionBodyTy = llvm::function_ref<void(
59 fir::FirOpBuilder &builder, mlir::func::FuncOp &funcOp)>;
62 /// Generate a new function implementing a simplified version
63 /// of a Fortran runtime function defined by \p basename name.
64 /// \p typeGenerator is a callback that generates the new function's type.
65 /// \p bodyGenerator is a callback that generates the new function's body.
66 /// The new function is created in the \p builder's Module.
67 mlir::func::FuncOp getOrCreateFunction(fir::FirOpBuilder &builder,
68 const mlir::StringRef &basename,
69 FunctionTypeGeneratorTy typeGenerator,
70 FunctionBodyGeneratorTy bodyGenerator);
71 void runOnOperation() override;
72 void getDependentDialects(mlir::DialectRegistry ®istry) const override;
75 /// Helper function to replace a reduction type of call with its
76 /// simplified form. The actual function is generated using a callback
78 /// \p call is the call to be replaced
79 /// \p kindMap is used to create FIROpBuilder
80 /// \p genBodyFunc is the callback that builds the replacement function
81 void simplifyReduction(fir::CallOp call, const fir::KindMapping &kindMap,
82 GenReductionBodyTy genBodyFunc);
87 /// Generate function type for the simplified version of FortranASum and
88 /// similar functions with a fir.box<none> type returning \p elementType.
89 static mlir::FunctionType genNoneBoxType(fir::FirOpBuilder &builder,
90 const mlir::Type &elementType) {
91 mlir::Type boxType = fir::BoxType::get(builder.getNoneType());
92 return mlir::FunctionType::get(builder.getContext(), {boxType},
96 using BodyOpGeneratorTy = llvm::function_ref<mlir::Value(
97 fir::FirOpBuilder &, mlir::Location, const mlir::Type &, mlir::Value,
99 using InitValGeneratorTy = llvm::function_ref<mlir::Value(
100 fir::FirOpBuilder &, mlir::Location, const mlir::Type &)>;
102 /// Generate the reduction loop into \p funcOp.
104 /// \p initVal is a function, called to get the initial value for
105 /// the reduction value
106 /// \p genBody is called to fill in the actual reduciton operation
107 /// for example add for SUM, MAX for MAXVAL, etc.
108 static void genReductionLoop(fir::FirOpBuilder &builder,
109 mlir::func::FuncOp &funcOp,
110 InitValGeneratorTy initVal,
111 BodyOpGeneratorTy genBody) {
112 auto loc = mlir::UnknownLoc::get(builder.getContext());
113 mlir::Type elementType = funcOp.getResultTypes()[0];
114 builder.setInsertionPointToEnd(funcOp.addEntryBlock());
116 mlir::IndexType idxTy = builder.getIndexType();
118 mlir::Block::BlockArgListType args = funcOp.front().getArguments();
119 mlir::Value arg = args[0];
121 mlir::Value zeroIdx = builder.createIntegerConstant(loc, idxTy, 0);
123 fir::SequenceType::Shape flatShape = {fir::SequenceType::getUnknownExtent()};
124 mlir::Type arrTy = fir::SequenceType::get(flatShape, elementType);
125 mlir::Type boxArrTy = fir::BoxType::get(arrTy);
126 mlir::Value array = builder.create<fir::ConvertOp>(loc, boxArrTy, arg);
128 builder.create<fir::BoxDimsOp>(loc, idxTy, idxTy, idxTy, array, zeroIdx);
129 mlir::Value len = dims.getResult(1);
130 mlir::Value one = builder.createIntegerConstant(loc, idxTy, 1);
131 mlir::Value step = one;
133 // We use C indexing here, so len-1 as loopcount
134 mlir::Value loopCount = builder.create<mlir::arith::SubIOp>(loc, len, one);
135 mlir::Value init = initVal(builder, loc, elementType);
136 auto loop = builder.create<fir::DoLoopOp>(loc, zeroIdx, loopCount, step,
138 /*finalCountValue=*/false, init);
139 mlir::Value reductionVal = loop.getRegionIterArgs()[0];
142 mlir::OpBuilder::InsertPoint loopEndPt = builder.saveInsertionPoint();
143 builder.setInsertionPointToStart(loop.getBody());
145 mlir::Type eleRefTy = builder.getRefType(elementType);
146 mlir::Value index = loop.getInductionVar();
148 builder.create<fir::CoordinateOp>(loc, eleRefTy, array, index);
149 mlir::Value elem = builder.create<fir::LoadOp>(loc, addr);
151 reductionVal = genBody(builder, loc, elementType, elem, reductionVal);
153 builder.create<fir::ResultOp>(loc, reductionVal);
155 builder.restoreInsertionPoint(loopEndPt);
157 mlir::Value resultVal = loop.getResult(0);
158 builder.create<mlir::func::ReturnOp>(loc, resultVal);
161 /// Generate function body of the simplified version of FortranASum
162 /// with signature provided by \p funcOp. The caller is responsible
163 /// for saving/restoring the original insertion point of \p builder.
164 /// \p funcOp is expected to be empty on entry to this function.
165 static void genFortranASumBody(fir::FirOpBuilder &builder,
166 mlir::func::FuncOp &funcOp) {
167 // function FortranASum<T>_simplified(arr)
168 // T, dimension(:) :: arr
171 // do iter = 0, extent(arr)
172 // sum = sum + arr[iter]
174 // FortranASum<T>_simplified = sum
175 // end function FortranASum<T>_simplified
176 auto zero = [](fir::FirOpBuilder builder, mlir::Location loc,
177 mlir::Type elementType) {
178 return elementType.isa<mlir::FloatType>()
179 ? builder.createRealConstant(loc, elementType,
181 : builder.createIntegerConstant(loc, elementType, 0);
184 auto genBodyOp = [](fir::FirOpBuilder builder, mlir::Location loc,
185 mlir::Type elementType, mlir::Value elem1,
186 mlir::Value elem2) -> mlir::Value {
187 if (elementType.isa<mlir::FloatType>())
188 return builder.create<mlir::arith::AddFOp>(loc, elem1, elem2);
189 if (elementType.isa<mlir::IntegerType>())
190 return builder.create<mlir::arith::AddIOp>(loc, elem1, elem2);
192 llvm_unreachable("unsupported type");
196 genReductionLoop(builder, funcOp, zero, genBodyOp);
199 static void genFortranAMaxvalBody(fir::FirOpBuilder &builder,
200 mlir::func::FuncOp &funcOp) {
201 auto init = [](fir::FirOpBuilder builder, mlir::Location loc,
202 mlir::Type elementType) {
203 if (auto ty = elementType.dyn_cast<mlir::FloatType>()) {
204 const llvm::fltSemantics &sem = ty.getFloatSemantics();
205 return builder.createRealConstant(
206 loc, elementType, llvm::APFloat::getLargest(sem, /*Negative=*/true));
208 unsigned bits = elementType.getIntOrFloatBitWidth();
209 int64_t minInt = llvm::APInt::getSignedMinValue(bits).getSExtValue();
210 return builder.createIntegerConstant(loc, elementType, minInt);
213 auto genBodyOp = [](fir::FirOpBuilder builder, mlir::Location loc,
214 mlir::Type elementType, mlir::Value elem1,
215 mlir::Value elem2) -> mlir::Value {
216 if (elementType.isa<mlir::FloatType>())
217 return builder.create<mlir::arith::MaxFOp>(loc, elem1, elem2);
218 if (elementType.isa<mlir::IntegerType>())
219 return builder.create<mlir::arith::MaxSIOp>(loc, elem1, elem2);
221 llvm_unreachable("unsupported type");
224 genReductionLoop(builder, funcOp, init, genBodyOp);
227 /// Generate function type for the simplified version of FortranADotProduct
228 /// operating on the given \p elementType.
229 static mlir::FunctionType genFortranADotType(fir::FirOpBuilder &builder,
230 const mlir::Type &elementType) {
231 mlir::Type boxType = fir::BoxType::get(builder.getNoneType());
232 return mlir::FunctionType::get(builder.getContext(), {boxType, boxType},
236 /// Generate function body of the simplified version of FortranADotProduct
237 /// with signature provided by \p funcOp. The caller is responsible
238 /// for saving/restoring the original insertion point of \p builder.
239 /// \p funcOp is expected to be empty on entry to this function.
240 /// \p arg1ElementTy and \p arg2ElementTy specify elements types
241 /// of the underlying array objects - they are used to generate proper
242 /// element accesses.
243 static void genFortranADotBody(fir::FirOpBuilder &builder,
244 mlir::func::FuncOp &funcOp,
245 mlir::Type arg1ElementTy,
246 mlir::Type arg2ElementTy) {
247 // function FortranADotProduct<T>_simplified(arr1, arr2)
248 // T, dimension(:) :: arr1, arr2
251 // do iter = 0, extent(arr1)
252 // product = product + arr1[iter] * arr2[iter]
254 // FortranADotProduct<T>_simplified = product
255 // end function FortranADotProduct<T>_simplified
256 auto loc = mlir::UnknownLoc::get(builder.getContext());
257 mlir::Type resultElementType = funcOp.getResultTypes()[0];
258 builder.setInsertionPointToEnd(funcOp.addEntryBlock());
260 mlir::IndexType idxTy = builder.getIndexType();
263 resultElementType.isa<mlir::FloatType>()
264 ? builder.createRealConstant(loc, resultElementType, 0.0)
265 : builder.createIntegerConstant(loc, resultElementType, 0);
267 mlir::Block::BlockArgListType args = funcOp.front().getArguments();
268 mlir::Value arg1 = args[0];
269 mlir::Value arg2 = args[1];
271 mlir::Value zeroIdx = builder.createIntegerConstant(loc, idxTy, 0);
273 fir::SequenceType::Shape flatShape = {fir::SequenceType::getUnknownExtent()};
274 mlir::Type arrTy1 = fir::SequenceType::get(flatShape, arg1ElementTy);
275 mlir::Type boxArrTy1 = fir::BoxType::get(arrTy1);
276 mlir::Value array1 = builder.create<fir::ConvertOp>(loc, boxArrTy1, arg1);
277 mlir::Type arrTy2 = fir::SequenceType::get(flatShape, arg2ElementTy);
278 mlir::Type boxArrTy2 = fir::BoxType::get(arrTy2);
279 mlir::Value array2 = builder.create<fir::ConvertOp>(loc, boxArrTy2, arg2);
280 // This version takes the loop trip count from the first argument.
281 // If the first argument's box has unknown (at compilation time)
282 // extent, then it may be better to take the extent from the second
283 // argument - so that after inlining the loop may be better optimized, e.g.
284 // fully unrolled. This requires generating two versions of the simplified
285 // function and some analysis at the call site to choose which version
286 // is more profitable to call.
287 // Note that we can assume that both arguments have the same extent.
289 builder.create<fir::BoxDimsOp>(loc, idxTy, idxTy, idxTy, array1, zeroIdx);
290 mlir::Value len = dims.getResult(1);
291 mlir::Value one = builder.createIntegerConstant(loc, idxTy, 1);
292 mlir::Value step = one;
294 // We use C indexing here, so len-1 as loopcount
295 mlir::Value loopCount = builder.create<mlir::arith::SubIOp>(loc, len, one);
296 auto loop = builder.create<fir::DoLoopOp>(loc, zeroIdx, loopCount, step,
298 /*finalCountValue=*/false, zero);
299 mlir::Value sumVal = loop.getRegionIterArgs()[0];
302 mlir::OpBuilder::InsertPoint loopEndPt = builder.saveInsertionPoint();
303 builder.setInsertionPointToStart(loop.getBody());
305 mlir::Type eleRef1Ty = builder.getRefType(arg1ElementTy);
306 mlir::Value index = loop.getInductionVar();
308 builder.create<fir::CoordinateOp>(loc, eleRef1Ty, array1, index);
309 mlir::Value elem1 = builder.create<fir::LoadOp>(loc, addr1);
310 // Convert to the result type.
311 elem1 = builder.create<fir::ConvertOp>(loc, resultElementType, elem1);
313 mlir::Type eleRef2Ty = builder.getRefType(arg2ElementTy);
315 builder.create<fir::CoordinateOp>(loc, eleRef2Ty, array2, index);
316 mlir::Value elem2 = builder.create<fir::LoadOp>(loc, addr2);
317 // Convert to the result type.
318 elem2 = builder.create<fir::ConvertOp>(loc, resultElementType, elem2);
320 if (resultElementType.isa<mlir::FloatType>())
321 sumVal = builder.create<mlir::arith::AddFOp>(
322 loc, builder.create<mlir::arith::MulFOp>(loc, elem1, elem2), sumVal);
323 else if (resultElementType.isa<mlir::IntegerType>())
324 sumVal = builder.create<mlir::arith::AddIOp>(
325 loc, builder.create<mlir::arith::MulIOp>(loc, elem1, elem2), sumVal);
327 llvm_unreachable("unsupported type");
329 builder.create<fir::ResultOp>(loc, sumVal);
331 builder.restoreInsertionPoint(loopEndPt);
333 mlir::Value resultVal = loop.getResult(0);
334 builder.create<mlir::func::ReturnOp>(loc, resultVal);
337 mlir::func::FuncOp SimplifyIntrinsicsPass::getOrCreateFunction(
338 fir::FirOpBuilder &builder, const mlir::StringRef &baseName,
339 FunctionTypeGeneratorTy typeGenerator,
340 FunctionBodyGeneratorTy bodyGenerator) {
341 // WARNING: if the function generated here changes its signature
342 // or behavior (the body code), we should probably embed some
343 // versioning information into its name, otherwise libraries
344 // statically linked with older versions of Flang may stop
345 // working with object files created with newer Flang.
346 // We can also avoid this by using internal linkage, but
347 // this may increase the size of final executable/shared library.
348 std::string replacementName = mlir::Twine{baseName, "_simplified"}.str();
349 mlir::ModuleOp module = builder.getModule();
350 // If we already have a function, just return it.
351 mlir::func::FuncOp newFunc =
352 fir::FirOpBuilder::getNamedFunction(module, replacementName);
353 mlir::FunctionType fType = typeGenerator(builder);
355 assert(newFunc.getFunctionType() == fType &&
356 "type mismatch for simplified function");
360 // Need to build the function!
361 auto loc = mlir::UnknownLoc::get(builder.getContext());
363 fir::FirOpBuilder::createFunction(loc, module, replacementName, fType);
364 auto inlineLinkage = mlir::LLVM::linkage::Linkage::LinkonceODR;
366 mlir::LLVM::LinkageAttr::get(builder.getContext(), inlineLinkage);
367 newFunc->setAttr("llvm.linkage", linkage);
369 // Save the position of the original call.
370 mlir::OpBuilder::InsertPoint insertPt = builder.saveInsertionPoint();
372 bodyGenerator(builder, newFunc);
374 // Now back to where we were adding code earlier...
375 builder.restoreInsertionPoint(insertPt);
380 fir::ConvertOp expectConvertOp(mlir::Value val) {
381 if (fir::ConvertOp op =
382 mlir::dyn_cast_or_null<fir::ConvertOp>(val.getDefiningOp()))
384 LLVM_DEBUG(llvm::dbgs() << "Didn't find expected fir::ConvertOp\n");
388 static bool isOperandAbsent(mlir::Value val) {
389 if (auto op = expectConvertOp(val)) {
390 assert(op->getOperands().size() != 0);
391 return mlir::isa_and_nonnull<fir::AbsentOp>(
392 op->getOperand(0).getDefiningOp());
397 static bool isZero(mlir::Value val) {
398 if (auto op = expectConvertOp(val)) {
399 assert(op->getOperands().size() != 0);
400 if (mlir::Operation *defOp = op->getOperand(0).getDefiningOp())
401 return mlir::matchPattern(defOp, mlir::m_Zero());
406 static mlir::Value findShape(mlir::Value val) {
407 if (auto op = expectConvertOp(val)) {
408 assert(op->getOperands().size() != 0);
409 if (auto box = mlir::dyn_cast_or_null<fir::EmboxOp>(
410 op->getOperand(0).getDefiningOp()))
411 return box.getShape();
416 static unsigned getDimCount(mlir::Value val) {
417 if (mlir::Value shapeVal = findShape(val)) {
418 mlir::Type resType = shapeVal.getDefiningOp()->getResultTypes()[0];
419 return fir::getRankOfShapeType(resType);
424 /// Given the call operation's box argument \p val, discover
425 /// the element type of the underlying array object.
426 /// \returns the element type or llvm::None if the type cannot
427 /// be reliably found.
428 /// We expect that the argument is a result of fir.convert
429 /// with the destination type of !fir.box<none>.
430 static llvm::Optional<mlir::Type> getArgElementType(mlir::Value val) {
431 mlir::Operation *defOp;
433 defOp = val.getDefiningOp();
434 // Analyze only sequences of convert operations.
435 if (!mlir::isa<fir::ConvertOp>(defOp))
437 val = defOp->getOperand(0);
438 // The convert operation is expected to convert from one
439 // box type to another box type.
440 auto boxType = val.getType().cast<fir::BoxType>();
441 auto elementType = fir::unwrapSeqOrBoxedSeqType(boxType);
442 if (!elementType.isa<mlir::NoneType>())
447 void SimplifyIntrinsicsPass::simplifyReduction(fir::CallOp call,
448 const fir::KindMapping &kindMap,
449 GenReductionBodyTy genBodyFunc) {
450 mlir::SymbolRefAttr callee = call.getCalleeAttr();
451 mlir::StringRef funcName = callee.getLeafReference().getValue();
452 mlir::Operation::operand_range args = call.getArgs();
453 // args[1] and args[2] are source filename and line number, ignored.
454 const mlir::Value &dim = args[3];
455 const mlir::Value &mask = args[4];
456 // dim is zero when it is absent, which is an implementation
457 // detail in the runtime library.
458 bool dimAndMaskAbsent = isZero(dim) && isOperandAbsent(mask);
459 unsigned rank = getDimCount(args[0]);
460 if (dimAndMaskAbsent && rank == 1) {
461 mlir::Location loc = call.getLoc();
463 fir::FirOpBuilder builder(call, kindMap);
464 if (funcName.endswith("Integer4")) {
465 type = mlir::IntegerType::get(builder.getContext(), 32);
466 } else if (funcName.endswith("Real8")) {
467 type = mlir::FloatType::getF64(builder.getContext());
471 auto typeGenerator = [&type](fir::FirOpBuilder &builder) {
472 return genNoneBoxType(builder, type);
474 mlir::func::FuncOp newFunc =
475 getOrCreateFunction(builder, funcName, typeGenerator, genBodyFunc);
477 builder.create<fir::CallOp>(loc, newFunc, mlir::ValueRange{args[0]});
478 call->replaceAllUsesWith(newCall.getResults());
479 call->dropAllReferences();
484 void SimplifyIntrinsicsPass::runOnOperation() {
485 LLVM_DEBUG(llvm::dbgs() << "=== Begin " DEBUG_TYPE " ===\n");
486 mlir::ModuleOp module = getOperation();
487 fir::KindMapping kindMap = fir::getKindMapping(module);
488 module.walk([&](mlir::Operation *op) {
489 if (auto call = mlir::dyn_cast<fir::CallOp>(op)) {
490 if (mlir::SymbolRefAttr callee = call.getCalleeAttr()) {
491 mlir::StringRef funcName = callee.getLeafReference().getValue();
492 // Replace call to runtime function for SUM when it has single
493 // argument (no dim or mask argument) for 1D arrays with either
494 // Integer4 or Real8 types. Other forms are ignored.
495 // The new function is added to the module.
497 // Prototype for runtime call (from sum.cpp):
498 // RTNAME(Sum<T>)(const Descriptor &x, const char *source, int line,
499 // int dim, const Descriptor *mask)
501 if (funcName.startswith("_FortranASum")) {
502 simplifyReduction(call, kindMap, genFortranASumBody);
505 if (funcName.startswith("_FortranADotProduct")) {
506 LLVM_DEBUG(llvm::dbgs() << "Handling " << funcName << "\n");
507 LLVM_DEBUG(llvm::dbgs() << "Call operation:\n"; op->dump();
508 llvm::dbgs() << "\n");
509 mlir::Operation::operand_range args = call.getArgs();
510 const mlir::Value &v1 = args[0];
511 const mlir::Value &v2 = args[1];
512 mlir::Location loc = call.getLoc();
513 fir::FirOpBuilder builder(op, kindMap);
515 mlir::Type type = call.getResult(0).getType();
516 if (!type.isa<mlir::FloatType>() && !type.isa<mlir::IntegerType>())
519 // Try to find the element types of the boxed arguments.
520 auto arg1Type = getArgElementType(v1);
521 auto arg2Type = getArgElementType(v2);
523 if (!arg1Type || !arg2Type)
526 // Support only floating point and integer arguments
527 // now (e.g. logical is skipped here).
528 if (!arg1Type->isa<mlir::FloatType>() &&
529 !arg1Type->isa<mlir::IntegerType>())
531 if (!arg2Type->isa<mlir::FloatType>() &&
532 !arg2Type->isa<mlir::IntegerType>())
535 auto typeGenerator = [&type](fir::FirOpBuilder &builder) {
536 return genFortranADotType(builder, type);
538 auto bodyGenerator = [&arg1Type,
539 &arg2Type](fir::FirOpBuilder &builder,
540 mlir::func::FuncOp &funcOp) {
541 genFortranADotBody(builder, funcOp, *arg1Type, *arg2Type);
544 // Suffix the function name with the element types
546 std::string typedFuncName(funcName);
547 llvm::raw_string_ostream nameOS(typedFuncName);
549 arg1Type->print(nameOS);
551 arg2Type->print(nameOS);
553 mlir::func::FuncOp newFunc = getOrCreateFunction(
554 builder, typedFuncName, typeGenerator, bodyGenerator);
555 auto newCall = builder.create<fir::CallOp>(loc, newFunc,
556 mlir::ValueRange{v1, v2});
557 call->replaceAllUsesWith(newCall.getResults());
558 call->dropAllReferences();
561 LLVM_DEBUG(llvm::dbgs() << "Replaced with:\n"; newCall.dump();
562 llvm::dbgs() << "\n");
565 if (funcName.startswith("_FortranAMaxval")) {
566 simplifyReduction(call, kindMap, genFortranAMaxvalBody);
572 LLVM_DEBUG(llvm::dbgs() << "=== End " DEBUG_TYPE " ===\n");
575 void SimplifyIntrinsicsPass::getDependentDialects(
576 mlir::DialectRegistry ®istry) const {
577 // LLVM::LinkageAttr creation requires that LLVM dialect is loaded.
578 registry.insert<mlir::LLVM::LLVMDialect>();
580 std::unique_ptr<mlir::Pass> fir::createSimplifyIntrinsicsPass() {
581 return std::make_unique<SimplifyIntrinsicsPass>();