FLANG
IntrinsicCall.h
1//===-- Builder/IntrinsicCall.h -- lowering of intrinsics -------*- C++ -*-===//
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#ifndef FORTRAN_LOWER_INTRINSICCALL_H
10#define FORTRAN_LOWER_INTRINSICCALL_H
11
12#include "flang/Lower/AbstractConverter.h"
13#include "flang/Optimizer/Builder/BoxValue.h"
14#include "flang/Optimizer/Builder/FIRBuilder.h"
15#include "flang/Optimizer/Builder/Runtime/Character.h"
16#include "flang/Optimizer/Builder/Runtime/Numeric.h"
18#include "flang/Runtime/entry-names.h"
19#include "flang/Runtime/iostat-consts.h"
20#include "mlir/Dialect/Complex/IR/Complex.h"
21#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
22#include "mlir/Dialect/Math/IR/Math.h"
23#include <optional>
24
25namespace fir {
26
27class StatementContext;
29
35std::pair<fir::ExtendedValue, bool>
36genIntrinsicCall(fir::FirOpBuilder &, mlir::Location, llvm::StringRef name,
37 std::optional<mlir::Type> resultType,
38 llvm::ArrayRef<fir::ExtendedValue> args,
39 Fortran::lower::AbstractConverter *converter = nullptr);
40
44std::pair<fir::ExtendedValue, bool>
45genIntrinsicCall(fir::FirOpBuilder &, mlir::Location,
47 std::optional<mlir::Type> resultType,
48 llvm::ArrayRef<fir::ExtendedValue> args,
49 Fortran::lower::AbstractConverter *converter = nullptr);
50
52enum class Extremum { Min, Max };
53
54// There are different ways to deal with NaNs in MIN and MAX.
55// Known existing behaviors are listed below and can be selected for
56// f18 MIN/MAX implementation.
57enum class ExtremumBehavior {
58 // Note: the Signaling/quiet aspect of NaNs in the behaviors below are
59 // not described because there is no way to control/observe such aspect in
60 // MLIR/LLVM yet. The IEEE behaviors come with requirements regarding this
61 // aspect that are therefore currently not enforced. In the descriptions
62 // below, NaNs can be signaling or quite. Returned NaNs may be signaling
63 // if one of the input NaN was signaling but it cannot be guaranteed either.
64 // Existing compilers using an IEEE behavior (gfortran) also do not fulfill
65 // signaling/quiet requirements.
66 IeeeMinMaximumNumber,
67 // IEEE minimumNumber/maximumNumber behavior (754-2019, section 9.6):
68 // If one of the argument is and number and the other is NaN, return the
69 // number. If both arguements are NaN, return NaN.
70 // Compilers: gfortran.
71 IeeeMinMaximum,
72 // IEEE minimum/maximum behavior (754-2019, section 9.6):
73 // If one of the argument is NaN, return NaN.
74 MinMaxss,
75 // x86 minss/maxss behavior:
76 // If the second argument is a number and the other is NaN, return the number.
77 // In all other cases where at least one operand is NaN, return NaN.
78 // Compilers: xlf (only for MAX), ifort, pgfortran -nollvm, and nagfor.
79 PgfortranLlvm,
80 // "Opposite of" x86 minss/maxss behavior:
81 // If the first argument is a number and the other is NaN, return the
82 // number.
83 // In all other cases where at least one operand is NaN, return NaN.
84 // Compilers: xlf (only for MIN), and pgfortran (with llvm).
85 IeeeMinMaxNum
86 // IEEE minNum/maxNum behavior (754-2008, section 5.3.1):
87 // TODO: Not implemented.
88 // It is the only behavior where the signaling/quiet aspect of a NaN argument
89 // impacts if the result should be NaN or the argument that is a number.
90 // LLVM/MLIR do not provide ways to observe this aspect, so it is not
91 // possible to implement it without some target dependent runtime.
92};
93
109
112 LowerIntrinsicArgAs lowerAs;
114 // - Numerical: 0
115 // - Logical : false
116 // - Derived/character: not possible. Need custom intrinsic lowering.
117 // Addr:
118 // - nullptr
119 // Box:
120 // - absent box
121 // AsInquired:
122 // - no-op
124};
125
126constexpr auto asValue = fir::LowerIntrinsicArgAs::Value;
127constexpr auto asAddr = fir::LowerIntrinsicArgAs::Addr;
128constexpr auto asBox = fir::LowerIntrinsicArgAs::Box;
129constexpr auto asInquired = fir::LowerIntrinsicArgAs::Inquired;
130
134
135// TODO error handling -> return a code or directly emit messages ?
136struct IntrinsicLibrary {
137
138 // Constructors.
139 explicit IntrinsicLibrary(
140 fir::FirOpBuilder &builder, mlir::Location loc,
141 Fortran::lower::AbstractConverter *converter = nullptr)
142 : builder{builder}, loc{loc}, converter{converter} {}
143 IntrinsicLibrary() = delete;
144 IntrinsicLibrary(const IntrinsicLibrary &) = delete;
145
149 std::pair<fir::ExtendedValue, bool>
150 genIntrinsicCall(llvm::StringRef name, std::optional<mlir::Type> resultType,
152
160 mlir::Value genRuntimeCall(llvm::StringRef name, mlir::Type,
162
163 using RuntimeCallGenerator = std::function<mlir::Value(
165 RuntimeCallGenerator
166 getRuntimeCallGenerator(llvm::StringRef name,
167 mlir::FunctionType soughtFuncType);
168
174 mlir::Value genAbs(mlir::Type, llvm::ArrayRef<mlir::Value>);
175 mlir::Value genAcosd(mlir::Type, llvm::ArrayRef<mlir::Value>);
176 mlir::Value genAcospi(mlir::Type, llvm::ArrayRef<mlir::Value>);
177 template <void (*CallRuntime)(fir::FirOpBuilder &, mlir::Location loc,
178 mlir::Value, mlir::Value)>
179 fir::ExtendedValue genAdjustRtCall(mlir::Type,
181 mlir::Value genAimag(mlir::Type, llvm::ArrayRef<mlir::Value>);
182 mlir::Value genAint(mlir::Type, llvm::ArrayRef<mlir::Value>);
184 fir::ExtendedValue genAllocated(mlir::Type,
186 mlir::Value genAnint(mlir::Type, llvm::ArrayRef<mlir::Value>);
188 mlir::Value genAtanpi(mlir::Type, llvm::ArrayRef<mlir::Value>);
190 genCommandArgumentCount(mlir::Type, llvm::ArrayRef<fir::ExtendedValue>);
191 mlir::Value genAsind(mlir::Type, llvm::ArrayRef<mlir::Value>);
192 mlir::Value genAsinpi(mlir::Type, llvm::ArrayRef<mlir::Value>);
193 fir::ExtendedValue genAssociated(mlir::Type,
195 mlir::Value genAtand(mlir::Type, llvm::ArrayRef<mlir::Value>);
196 fir::ExtendedValue genBesselJn(mlir::Type,
198 fir::ExtendedValue genBesselYn(mlir::Type,
200 template <mlir::arith::CmpIPredicate pred>
201 mlir::Value genBitwiseCompare(mlir::Type resultType,
203
204 mlir::Value genBtest(mlir::Type, llvm::ArrayRef<mlir::Value>);
205 mlir::Value genCeiling(mlir::Type, llvm::ArrayRef<mlir::Value>);
207 fir::ExtendedValue genChdir(std::optional<mlir::Type> resultType,
209 template <mlir::arith::CmpIPredicate pred>
210 fir::ExtendedValue genCharacterCompare(mlir::Type,
212 mlir::Value genCmplx(mlir::Type, llvm::ArrayRef<mlir::Value>);
213 mlir::Value genConjg(mlir::Type, llvm::ArrayRef<mlir::Value>);
215 void genCpuTime(llvm::ArrayRef<fir::ExtendedValue>);
222 mlir::Value genErfcScaled(mlir::Type resultType,
224 void genCFPointer(llvm::ArrayRef<fir::ExtendedValue>);
225 void genCFProcPointer(llvm::ArrayRef<fir::ExtendedValue>);
228 template <mlir::arith::CmpIPredicate pred>
229 fir::ExtendedValue genCPtrCompare(mlir::Type,
231 void genCoBroadcast(llvm::ArrayRef<fir::ExtendedValue>);
235 mlir::Value genCosd(mlir::Type, llvm::ArrayRef<mlir::Value>);
236 mlir::Value genCospi(mlir::Type, llvm::ArrayRef<mlir::Value>);
237 void genDateAndTime(llvm::ArrayRef<fir::ExtendedValue>);
238 fir::ExtendedValue genDsecnds(mlir::Type resultType,
240 mlir::Value genDim(mlir::Type, llvm::ArrayRef<mlir::Value>);
241 fir::ExtendedValue genDotProduct(mlir::Type,
243 mlir::Value genDprod(mlir::Type, llvm::ArrayRef<mlir::Value>);
244 mlir::Value genDshiftl(mlir::Type, llvm::ArrayRef<mlir::Value>);
245 mlir::Value genDshiftr(mlir::Type, llvm::ArrayRef<mlir::Value>);
248 void genExecuteCommandLine(mlir::ArrayRef<fir::ExtendedValue> args);
249 fir::ExtendedValue genEtime(std::optional<mlir::Type>,
250 mlir::ArrayRef<fir::ExtendedValue> args);
251 mlir::Value genExponent(mlir::Type, llvm::ArrayRef<mlir::Value>);
252 fir::ExtendedValue genExtendsTypeOf(mlir::Type,
254 template <Extremum, ExtremumBehavior>
255 mlir::Value genExtremum(mlir::Type, llvm::ArrayRef<mlir::Value>);
256 mlir::Value genFloor(mlir::Type, llvm::ArrayRef<mlir::Value>);
257 mlir::Value genFraction(mlir::Type resultType,
258 mlir::ArrayRef<mlir::Value> args);
259 void genFree(mlir::ArrayRef<fir::ExtendedValue> args);
260 fir::ExtendedValue genFseek(std::optional<mlir::Type>,
261 mlir::ArrayRef<fir::ExtendedValue> args);
262 fir::ExtendedValue genFtell(std::optional<mlir::Type>,
263 mlir::ArrayRef<fir::ExtendedValue> args);
264 fir::ExtendedValue genGetCwd(std::optional<mlir::Type> resultType,
266 void genGetCommand(mlir::ArrayRef<fir::ExtendedValue> args);
267 mlir::Value genGetPID(mlir::Type resultType,
269 void genGetCommandArgument(mlir::ArrayRef<fir::ExtendedValue> args);
270 void genGetEnvironmentVariable(llvm::ArrayRef<fir::ExtendedValue>);
271 mlir::Value genGetGID(mlir::Type resultType,
273 mlir::Value genGetUID(mlir::Type resultType,
275 fir::ExtendedValue genHostnm(std::optional<mlir::Type> resultType,
278 mlir::Value genIand(mlir::Type, llvm::ArrayRef<mlir::Value>);
280 mlir::Value genIbclr(mlir::Type, llvm::ArrayRef<mlir::Value>);
281 mlir::Value genIbits(mlir::Type, llvm::ArrayRef<mlir::Value>);
282 mlir::Value genIbset(mlir::Type, llvm::ArrayRef<mlir::Value>);
285 mlir::Value genIeeeClass(mlir::Type, llvm::ArrayRef<mlir::Value>);
286 mlir::Value genIeeeCopySign(mlir::Type, llvm::ArrayRef<mlir::Value>);
287 void genIeeeGetFlag(llvm::ArrayRef<fir::ExtendedValue>);
288 void genIeeeGetHaltingMode(llvm::ArrayRef<fir::ExtendedValue>);
289 template <bool isGet, bool isModes>
290 void genIeeeGetOrSetModesOrStatus(llvm::ArrayRef<fir::ExtendedValue>);
291 void genIeeeGetRoundingMode(llvm::ArrayRef<fir::ExtendedValue>);
292 void genIeeeGetUnderflowMode(llvm::ArrayRef<fir::ExtendedValue>);
293 mlir::Value genIeeeInt(mlir::Type, llvm::ArrayRef<mlir::Value>);
294 mlir::Value genIeeeIsFinite(mlir::Type, llvm::ArrayRef<mlir::Value>);
295 mlir::Value genIeeeIsNan(mlir::Type, llvm::ArrayRef<mlir::Value>);
296 mlir::Value genIeeeIsNegative(mlir::Type, llvm::ArrayRef<mlir::Value>);
297 mlir::Value genIeeeIsNormal(mlir::Type, llvm::ArrayRef<mlir::Value>);
298 mlir::Value genIeeeLogb(mlir::Type, mlir::ArrayRef<mlir::Value>);
299 template <bool isMax, bool isNum, bool isMag>
300 mlir::Value genIeeeMaxMin(mlir::Type, llvm::ArrayRef<mlir::Value>);
301 template <mlir::arith::CmpFPredicate pred>
302 mlir::Value genIeeeQuietCompare(mlir::Type resultType,
304 mlir::Value genIeeeReal(mlir::Type, llvm::ArrayRef<mlir::Value>);
305 mlir::Value genIeeeRem(mlir::Type, llvm::ArrayRef<mlir::Value>);
306 mlir::Value genIeeeRint(mlir::Type, llvm::ArrayRef<mlir::Value>);
307 template <bool isFlag>
308 void genIeeeSetFlagOrHaltingMode(llvm::ArrayRef<fir::ExtendedValue>);
309 void genIeeeSetRoundingMode(llvm::ArrayRef<fir::ExtendedValue>);
310 void genIeeeSetUnderflowMode(llvm::ArrayRef<fir::ExtendedValue>);
311 template <mlir::arith::CmpFPredicate pred>
312 mlir::Value genIeeeSignalingCompare(mlir::Type resultType,
314 mlir::Value genIeeeSignbit(mlir::Type, llvm::ArrayRef<mlir::Value>);
315 fir::ExtendedValue genIeeeSupportFlag(mlir::Type,
317 fir::ExtendedValue genIeeeSupportHalting(mlir::Type,
319 fir::ExtendedValue genIeeeSupportRounding(mlir::Type,
321 fir::ExtendedValue genIeeeSupportStandard(mlir::Type,
323 template <mlir::arith::CmpIPredicate pred>
324 mlir::Value genIeeeTypeCompare(mlir::Type, llvm::ArrayRef<mlir::Value>);
325 mlir::Value genIeeeUnordered(mlir::Type, llvm::ArrayRef<mlir::Value>);
326 mlir::Value genIeeeValue(mlir::Type, llvm::ArrayRef<mlir::Value>);
327 mlir::Value genIeor(mlir::Type, llvm::ArrayRef<mlir::Value>);
329 mlir::Value genIor(mlir::Type, llvm::ArrayRef<mlir::Value>);
331 fir::ExtendedValue genIsContiguous(mlir::Type,
333 template <Fortran::runtime::io::Iostat value>
334 mlir::Value genIsIostatValue(mlir::Type, llvm::ArrayRef<mlir::Value>);
335 mlir::Value genIsFPClass(mlir::Type, llvm::ArrayRef<mlir::Value>,
336 int fpclass);
337 mlir::Value genIshft(mlir::Type, llvm::ArrayRef<mlir::Value>);
338 mlir::Value genIshftc(mlir::Type, llvm::ArrayRef<mlir::Value>);
340 mlir::Value genLeadz(mlir::Type, llvm::ArrayRef<mlir::Value>);
344 mlir::Value genMalloc(mlir::Type, llvm::ArrayRef<mlir::Value>);
345 template <typename Shift>
346 mlir::Value genMask(mlir::Type, llvm::ArrayRef<mlir::Value>);
348 fir::ExtendedValue genMatmulTranspose(mlir::Type,
353 mlir::Value genMergeBits(mlir::Type, llvm::ArrayRef<mlir::Value>);
356 mlir::Value genMod(mlir::Type, llvm::ArrayRef<mlir::Value>);
357 mlir::Value genModulo(mlir::Type, llvm::ArrayRef<mlir::Value>);
358 void genMoveAlloc(llvm::ArrayRef<fir::ExtendedValue>);
360 enum class NearestProc { Nearest, NextAfter, NextDown, NextUp };
361 template <NearestProc>
362 mlir::Value genNearest(mlir::Type, llvm::ArrayRef<mlir::Value>);
363 mlir::Value genNint(mlir::Type, llvm::ArrayRef<mlir::Value>);
365 mlir::Value genNot(mlir::Type, llvm::ArrayRef<mlir::Value>);
367 fir::ExtendedValue genNumImages(mlir::Type,
372 mlir::Value genPopcnt(mlir::Type, llvm::ArrayRef<mlir::Value>);
373 mlir::Value genPoppar(mlir::Type, llvm::ArrayRef<mlir::Value>);
376 fir::ExtendedValue genPutenv(std::optional<mlir::Type>,
378 void genRandomInit(llvm::ArrayRef<fir::ExtendedValue>);
379 void genRandomNumber(llvm::ArrayRef<fir::ExtendedValue>);
380 void genRandomSeed(llvm::ArrayRef<fir::ExtendedValue>);
382 fir::ExtendedValue genReduceDim(mlir::Type,
384 fir::ExtendedValue genRename(std::optional<mlir::Type>,
385 mlir::ArrayRef<fir::ExtendedValue>);
388 mlir::Value genRRSpacing(mlir::Type resultType,
390 fir::ExtendedValue genSameTypeAs(mlir::Type,
392 mlir::Value genScale(mlir::Type, llvm::ArrayRef<mlir::Value>);
394 fir::ExtendedValue genSecnds(mlir::Type resultType,
396 fir::ExtendedValue genSecond(std::optional<mlir::Type>,
397 mlir::ArrayRef<fir::ExtendedValue>);
398 fir::ExtendedValue genSelectedCharKind(mlir::Type,
400 mlir::Value genSelectedIntKind(mlir::Type, llvm::ArrayRef<mlir::Value>);
401 mlir::Value genSelectedLogicalKind(mlir::Type, llvm::ArrayRef<mlir::Value>);
402 mlir::Value genSelectedRealKind(mlir::Type, llvm::ArrayRef<mlir::Value>);
403 mlir::Value genSetExponent(mlir::Type resultType,
405 fir::ExtendedValue genShape(mlir::Type resultType,
407 template <typename Shift>
408 mlir::Value genShift(mlir::Type resultType, llvm::ArrayRef<mlir::Value>);
409 mlir::Value genShiftA(mlir::Type resultType, llvm::ArrayRef<mlir::Value>);
410 mlir::Value genSign(mlir::Type, llvm::ArrayRef<mlir::Value>);
411 mlir::Value genSind(mlir::Type, llvm::ArrayRef<mlir::Value>);
412 mlir::Value genSinpi(mlir::Type, llvm::ArrayRef<mlir::Value>);
415 mlir::Value genSpacing(mlir::Type resultType,
418 fir::ExtendedValue genStorageSize(mlir::Type,
421 void genSignalSubroutine(llvm::ArrayRef<fir::ExtendedValue>);
423 fir::ExtendedValue genSystem(std::optional<mlir::Type>,
424 mlir::ArrayRef<fir::ExtendedValue> args);
425 void genSystemClock(llvm::ArrayRef<fir::ExtendedValue>);
426 mlir::Value genTand(mlir::Type, llvm::ArrayRef<mlir::Value>);
427 mlir::Value genTanpi(mlir::Type, llvm::ArrayRef<mlir::Value>);
428 mlir::Value genTime(mlir::Type, llvm::ArrayRef<mlir::Value>);
429 mlir::Value genTrailz(mlir::Type, llvm::ArrayRef<mlir::Value>);
430 fir::ExtendedValue genTransfer(mlir::Type,
432 fir::ExtendedValue genTranspose(mlir::Type,
434 fir::ExtendedValue genThisImage(mlir::Type,
438 fir::ExtendedValue genUnlink(std::optional<mlir::Type> resultType,
442
446 mlir::Value genConversion(mlir::Type, llvm::ArrayRef<mlir::Value>);
447
453 template <typename FN, typename FD>
454 fir::ExtendedValue genExtremumloc(FN func, FD funcDim, llvm::StringRef errMsg,
455 mlir::Type,
457 template <typename FN, typename FD, typename FC>
459 fir::ExtendedValue genExtremumVal(FN func, FD funcDim, FC funcChar,
460 llvm::StringRef errMsg,
461 mlir::Type resultType,
464 template <typename FN, typename FD>
465 fir::ExtendedValue genReduction(FN func, FD funcDim, llvm::StringRef errMsg,
466 mlir::Type resultType,
468
471 void genRaiseExcept(int excepts, mlir::Value cond = {});
472
474 mlir::Value genQNan(mlir::Type resultType);
475
479 using ExtendedGenerator = decltype(&IntrinsicLibrary::genLenTrim);
480 using SubroutineGenerator = decltype(&IntrinsicLibrary::genDateAndTime);
482 using DualGenerator = decltype(&IntrinsicLibrary::genEtime);
483 using Generator = std::variant<ElementalGenerator, ExtendedGenerator,
484 SubroutineGenerator, DualGenerator>;
485
492 template <typename GeneratorType>
493 mlir::Value outlineInWrapper(GeneratorType, llvm::StringRef name,
494 mlir::Type resultType,
496 template <typename GeneratorType>
498 outlineInExtendedWrapper(GeneratorType, llvm::StringRef name,
499 std::optional<mlir::Type> resultType,
501
502 template <typename GeneratorType>
503 mlir::func::FuncOp getWrapper(GeneratorType, llvm::StringRef name,
504 mlir::FunctionType,
505 bool loadRefArguments = false);
506
508 template <typename GeneratorType>
510 genElementalCall(GeneratorType, llvm::StringRef name, mlir::Type resultType,
511 llvm::ArrayRef<fir::ExtendedValue> args, bool outline);
512
514 mlir::Value invokeGenerator(ElementalGenerator generator,
515 mlir::Type resultType,
517 mlir::Value invokeGenerator(RuntimeCallGenerator generator,
518 mlir::Type resultType,
520 mlir::Value invokeGenerator(ExtendedGenerator generator,
521 mlir::Type resultType,
523 mlir::Value invokeGenerator(SubroutineGenerator generator,
525 mlir::Value invokeGenerator(DualGenerator generator,
527 mlir::Value invokeGenerator(DualGenerator generator, mlir::Type resultType,
529
532 mlir::SymbolRefAttr
533 getUnrestrictedIntrinsicSymbolRefAttr(llvm::StringRef name,
534 mlir::FunctionType signature);
535
538 mlir::Type resultType,
539 llvm::StringRef errMsg);
540
541 void setResultMustBeFreed() { resultMustBeFreed = true; }
542
543 fir::FirOpBuilder &builder;
544 mlir::Location loc;
545 bool resultMustBeFreed = false;
546 Fortran::lower::AbstractConverter *converter = nullptr;
547};
548
550 const char *name = nullptr;
552 bool handleDynamicOptional = false;
553};
554
559 constexpr bool hasDefaultRules() const { return args[0].name == nullptr; }
560};
561
565 const char *name;
566 IntrinsicLibrary::Generator generator;
567 // The following may be omitted in the table below.
568 fir::IntrinsicArgumentLoweringRules argLoweringRules = {};
569 bool isElemental = true;
572 bool outline = false;
573};
574
576 // llvm::StringRef comparison operator are not constexpr, so use string_view.
577 using Key = std::string_view;
578 // Needed for implicit compare with keys.
579 constexpr operator Key() const { return key; }
580 Key key; // intrinsic name
581
582 // Name of a runtime function that implements the operation.
583 llvm::StringRef symbol;
584 fir::runtime::FuncTypeBuilderFunc typeGenerator;
585};
586
588 // Callback type for generating lowering for a math operation.
589 using MathGeneratorTy = mlir::Value (*)(fir::FirOpBuilder &, mlir::Location,
590 const MathOperation &,
591 mlir::FunctionType,
593
594 // Overrides fir::runtime::FuncTypeBuilderFunc to add FirOpBuilder argument.
595 using FuncTypeBuilderFunc = mlir::FunctionType (*)(mlir::MLIRContext *,
597
598 // llvm::StringRef comparison operator are not constexpr, so use string_view.
599 using Key = std::string_view;
600 // Needed for implicit compare with keys.
601 constexpr operator Key() const { return key; }
602 // Intrinsic name.
603 Key key;
604
605 // Name of a runtime function that implements the operation.
606 llvm::StringRef runtimeFunc;
607 FuncTypeBuilderFunc typeGenerator;
608
609 // A callback to generate FIR for the intrinsic defined by 'key'.
610 // A callback may generate either dedicated MLIR operation(s) or
611 // a function call to a runtime function with name defined by
612 // 'runtimeFunc'.
613 MathGeneratorTy funcGenerator;
614};
615
616// Enum of most supported intrinsic argument or return types.
617enum class ParamTypeId {
618 Void,
619 Address, // pointer (to an [array of] Integers of some kind)
620 Integer,
621 Real,
622 Complex,
623 IntegerVector,
624 UnsignedVector,
625 RealVector,
626};
627
628// Helper function to get length of a 16-byte vector of element type eleTy.
629static int getVecLen(mlir::Type eleTy) {
630 assert((mlir::isa<mlir::IntegerType>(eleTy) ||
631 mlir::isa<mlir::FloatType>(eleTy)) &&
632 "unsupported vector element type");
633 return 16 / (eleTy.getIntOrFloatBitWidth() / 8);
634}
635
636template <ParamTypeId t, int k>
637struct ParamType {
638 // Supported kinds can be checked with static asserts at compile time.
639 static_assert(t != ParamTypeId::Integer || k == 1 || k == 2 || k == 4 ||
640 k == 8,
641 "Unsupported integer kind");
642 static_assert(t != ParamTypeId::Real || k == 4 || k == 8 || k == 10 ||
643 k == 16,
644 "Unsupported real kind");
645 static_assert(t != ParamTypeId::Complex || k == 2 || k == 3 || k == 4 ||
646 k == 8 || k == 10 || k == 16,
647 "Unsupported complex kind");
648
649 static const ParamTypeId ty = t;
650 static const int kind = k;
651};
652
653// Namespace encapsulating type definitions for parameter types.
654namespace Ty {
656template <int k>
658template <int k>
660template <int k>
662template <int k>
664template <int k>
665using IntegerVector = ParamType<ParamTypeId::IntegerVector, k>;
666template <int k>
667using UnsignedVector = ParamType<ParamTypeId::UnsignedVector, k>;
668template <int k>
670} // namespace Ty
671
672// Helper function that generates most types that are supported for intrinsic
673// arguments and return type. Used by `genFuncType` to generate function
674// types for most of the intrinsics.
675static inline mlir::Type getTypeHelper(mlir::MLIRContext *context,
676 fir::FirOpBuilder &builder,
677 ParamTypeId typeId, int kind) {
678 mlir::Type r;
679 unsigned bits{0};
680 switch (typeId) {
681 case ParamTypeId::Void:
682 llvm::report_fatal_error("can not get type of void");
683 break;
684 case ParamTypeId::Address:
685 bits = builder.getKindMap().getIntegerBitsize(kind);
686 assert(bits != 0 && "failed to convert address kind to integer bitsize");
687 r = fir::ReferenceType::get(mlir::IntegerType::get(context, bits));
688 break;
689 case ParamTypeId::Integer:
690 case ParamTypeId::IntegerVector:
691 bits = builder.getKindMap().getIntegerBitsize(kind);
692 assert(bits != 0 && "failed to convert kind to integer bitsize");
693 r = mlir::IntegerType::get(context, bits);
694 break;
695 case ParamTypeId::UnsignedVector:
696 bits = builder.getKindMap().getIntegerBitsize(kind);
697 assert(bits != 0 && "failed to convert kind to unsigned bitsize");
698 r = mlir::IntegerType::get(context, bits, mlir::IntegerType::Unsigned);
699 break;
700 case ParamTypeId::Real:
701 case ParamTypeId::RealVector:
702 r = builder.getRealType(kind);
703 break;
704 case ParamTypeId::Complex:
705 r = mlir::ComplexType::get(builder.getRealType(kind));
706 break;
707 }
708
709 switch (typeId) {
710 case ParamTypeId::Void:
711 case ParamTypeId::Address:
712 case ParamTypeId::Integer:
713 case ParamTypeId::Real:
714 case ParamTypeId::Complex:
715 break;
716 case ParamTypeId::IntegerVector:
717 case ParamTypeId::UnsignedVector:
718 case ParamTypeId::RealVector:
719 // convert to vector type
720 r = fir::VectorType::get(getVecLen(r), r);
721 }
722 return r;
723}
724
725// Generic function type generator that supports most of the function types
726// used by intrinsics.
727template <typename TyR, typename... ArgTys>
728static inline mlir::FunctionType genFuncType(mlir::MLIRContext *context,
729 fir::FirOpBuilder &builder) {
730 llvm::SmallVector<ParamTypeId> argTys = {ArgTys::ty...};
731 llvm::SmallVector<int> argKinds = {ArgTys::kind...};
732 llvm::SmallVector<mlir::Type> argTypes;
733
734 for (size_t i = 0; i < argTys.size(); ++i) {
735 argTypes.push_back(getTypeHelper(context, builder, argTys[i], argKinds[i]));
736 }
737
738 if (TyR::ty == ParamTypeId::Void)
739 return mlir::FunctionType::get(context, argTypes, {});
740
741 auto resType = getTypeHelper(context, builder, TyR::ty, TyR::kind);
742 return mlir::FunctionType::get(context, argTypes, {resType});
743}
744
746struct IntrinsicHandlerEntry {
747 using RuntimeGeneratorRange =
748 std::pair<const MathOperation *, const MathOperation *>;
749 IntrinsicHandlerEntry(const IntrinsicHandler *handler) : entry{handler} {
750 assert(handler && "handler must not be nullptr");
751 };
752 IntrinsicHandlerEntry(RuntimeGeneratorRange rt) : entry{rt} {};
753 const IntrinsicArgumentLoweringRules *getArgumentLoweringRules() const;
754 std::variant<const IntrinsicHandler *, RuntimeGeneratorRange> entry;
755};
756
757//===----------------------------------------------------------------------===//
758// Helper functions for argument handling.
759//===----------------------------------------------------------------------===//
760static inline mlir::Type getConvertedElementType(mlir::MLIRContext *context,
761 mlir::Type eleTy) {
762 if (mlir::isa<mlir::IntegerType>(eleTy) && !eleTy.isSignlessInteger()) {
763 const auto intTy{mlir::dyn_cast<mlir::IntegerType>(eleTy)};
764 auto newEleTy{mlir::IntegerType::get(context, intTy.getWidth())};
765 return newEleTy;
766 }
767 return eleTy;
768}
769
770static inline llvm::SmallVector<mlir::Value, 4>
771getBasesForArgs(llvm::ArrayRef<fir::ExtendedValue> args) {
772 llvm::SmallVector<mlir::Value, 4> baseVec;
773 for (auto arg : args)
774 baseVec.push_back(getBase(arg));
775 return baseVec;
776}
777
778static inline llvm::SmallVector<mlir::Type, 4>
779getTypesForArgs(llvm::ArrayRef<mlir::Value> args) {
780 llvm::SmallVector<mlir::Type, 4> typeVec;
781 for (auto arg : args)
782 typeVec.push_back(arg.getType());
783 return typeVec;
784}
785
786mlir::Value genLibCall(fir::FirOpBuilder &builder, mlir::Location loc,
787 const MathOperation &mathOp,
788 mlir::FunctionType libFuncType,
789 llvm::ArrayRef<mlir::Value> args);
790
791template <typename T>
792mlir::Value genMathOp(fir::FirOpBuilder &builder, mlir::Location loc,
793 const MathOperation &mathOp,
794 mlir::FunctionType mathLibFuncType,
795 llvm::ArrayRef<mlir::Value> args);
796
797template <typename T>
798mlir::Value genComplexMathOp(fir::FirOpBuilder &builder, mlir::Location loc,
799 const MathOperation &mathOp,
800 mlir::FunctionType mathLibFuncType,
801 llvm::ArrayRef<mlir::Value> args);
802
803mlir::Value genLibSplitComplexArgsCall(fir::FirOpBuilder &builder,
804 mlir::Location loc,
805 const MathOperation &mathOp,
806 mlir::FunctionType libFuncType,
807 llvm::ArrayRef<mlir::Value> args);
808
811std::optional<IntrinsicHandlerEntry>
812lookupIntrinsicHandler(fir::FirOpBuilder &, llvm::StringRef intrinsicName,
813 std::optional<mlir::Type> resultType);
814
816void crashOnMissingIntrinsic(mlir::Location loc, llvm::StringRef name);
817
821getIntrinsicArgumentLowering(llvm::StringRef intrinsicName);
822
826 unsigned position);
827
829fir::ExtendedValue getAbsentIntrinsicArgument();
830
832// implementation) of an unrestricted intrinsic (defined by its signature
833// and generic name)
834mlir::SymbolRefAttr
835getUnrestrictedIntrinsicSymbolRefAttr(fir::FirOpBuilder &, mlir::Location,
836 llvm::StringRef name,
837 mlir::FunctionType signature);
838
839//===----------------------------------------------------------------------===//
840// Direct access to intrinsics that may be used by lowering outside
841// of intrinsic call lowering.
842//===----------------------------------------------------------------------===//
843
846mlir::Value genMax(fir::FirOpBuilder &, mlir::Location,
847 llvm::ArrayRef<mlir::Value> args);
848
850mlir::Value genMin(fir::FirOpBuilder &, mlir::Location,
851 llvm::ArrayRef<mlir::Value> args);
852
855mlir::Value genDivC(fir::FirOpBuilder &builder, mlir::Location loc,
856 mlir::Type resultType, mlir::Value x, mlir::Value y);
857
860mlir::Value genPow(fir::FirOpBuilder &, mlir::Location, mlir::Type resultType,
861 mlir::Value x, mlir::Value y);
862
863} // namespace fir
864
865#endif // FORTRAN_LOWER_INTRINSICCALL_H
Definition AbstractConverter.h:85
Definition BoxValue.h:478
Definition FIRBuilder.h:55
const fir::KindMapping & getKindMap()
Get a reference to the kind map.
Definition FIRBuilder.h:122
mlir::Type getRealType(int kind)
Get the mlir float type that implements Fortran REAL(kind).
Definition FIRBuilder.cpp:118
Bitsize getIntegerBitsize(KindTy kind) const
Get the size in bits of !fir.int<kind>
Definition KindMapping.cpp:283
Definition BoxValue.h:360
Definition FIRType.h:92
Definition AbstractConverter.h:34
std::optional< IntrinsicHandlerEntry > lookupIntrinsicHandler(fir::FirOpBuilder &, llvm::StringRef intrinsicName, std::optional< mlir::Type > resultType)
Definition IntrinsicCall.cpp:1839
Extremum
Enums used to templatize and share lowering of MIN and MAX.
Definition IntrinsicCall.h:52
const IntrinsicArgumentLoweringRules * getIntrinsicArgumentLowering(llvm::StringRef intrinsicName)
Definition IntrinsicCall.cpp:8737
mlir::Value getBase(const ExtendedValue &exv)
Definition BoxValue.cpp:21
mlir::Value genMin(fir::FirOpBuilder &, mlir::Location, llvm::ArrayRef< mlir::Value > args)
Generate minimum. Same constraints as genMax.
Definition IntrinsicCall.cpp:8794
mlir::Value genPow(fir::FirOpBuilder &, mlir::Location, mlir::Type resultType, mlir::Value x, mlir::Value y)
Definition IntrinsicCall.cpp:8807
mlir::Value genDivC(fir::FirOpBuilder &builder, mlir::Location loc, mlir::Type resultType, mlir::Value x, mlir::Value y)
Definition IntrinsicCall.cpp:8802
fir::ExtendedValue getAbsentIntrinsicArgument()
Return place-holder for absent intrinsic arguments.
Definition IntrinsicCall.cpp:79
void crashOnMissingIntrinsic(mlir::Location loc, llvm::StringRef name)
Generate a TODO error message for an as yet unimplemented intrinsic.
Definition IntrinsicCall.cpp:1864
ArgLoweringRule lowerIntrinsicArgumentAs(const IntrinsicArgumentLoweringRules &, unsigned position)
Definition IntrinsicCall.cpp:8765
mlir::SymbolRefAttr getUnrestrictedIntrinsicSymbolRefAttr(fir::FirOpBuilder &, mlir::Location, llvm::StringRef name, mlir::FunctionType signature)
Get SymbolRefAttr of runtime (or wrapper function containing inlined.
Definition IntrinsicCall.cpp:8828
LowerIntrinsicArgAs
Definition IntrinsicCall.h:96
@ Addr
Definition IntrinsicCall.h:101
@ Inquired
Definition IntrinsicCall.h:107
@ Box
Lower argument to a box.
Definition IntrinsicCall.h:103
@ Value
Lower argument to a value. Mainly intended for scalar arguments.
Definition IntrinsicCall.h:98
std::pair< fir::ExtendedValue, bool > genIntrinsicCall(fir::FirOpBuilder &, mlir::Location, llvm::StringRef name, std::optional< mlir::Type > resultType, llvm::ArrayRef< fir::ExtendedValue > args, Fortran::lower::AbstractConverter *converter=nullptr)
Definition IntrinsicCall.cpp:8778
mlir::Value genMax(fir::FirOpBuilder &, mlir::Location, llvm::ArrayRef< mlir::Value > args)
Definition IntrinsicCall.cpp:8786
Define how a given intrinsic argument must be lowered.
Definition IntrinsicCall.h:111
bool handleDynamicOptional
Value:
Definition IntrinsicCall.h:123
This is shared by intrinsics and intrinsic module procedures.
Definition IntrinsicCall.h:556
IntrinsicDummyArgument args[7]
There is no more than 7 non repeated arguments in Fortran intrinsics.
Definition IntrinsicCall.h:558
Definition IntrinsicCall.h:549
Entry into the tables describing how an intrinsic must be lowered.
Definition IntrinsicCall.h:746
Definition IntrinsicCall.h:564
bool outline
Definition IntrinsicCall.h:572
mlir::SymbolRefAttr getUnrestrictedIntrinsicSymbolRefAttr(llvm::StringRef name, mlir::FunctionType signature)
Definition IntrinsicCall.cpp:2371
fir::ExtendedValue genElementalCall(GeneratorType, llvm::StringRef name, mlir::Type resultType, llvm::ArrayRef< fir::ExtendedValue > args, bool outline)
Generate calls to ElementalGenerator, handling the elemental aspects.
Definition IntrinsicCall.cpp:1876
fir::ExtendedValue genReduction(FN func, FD funcDim, llvm::StringRef errMsg, mlir::Type resultType, llvm::ArrayRef< fir::ExtendedValue > args)
Process calls to Product, Sum, IAll, IAny, IParity intrinsic functions.
Definition IntrinsicCall.cpp:4279
std::pair< fir::ExtendedValue, bool > genIntrinsicCall(llvm::StringRef name, std::optional< mlir::Type > resultType, llvm::ArrayRef< fir::ExtendedValue > arg)
Definition IntrinsicCall.cpp:2061
decltype(&IntrinsicLibrary::genEtime) DualGenerator
The generator for intrinsic that has both function and subroutine form.
Definition IntrinsicCall.h:482
mlir::Value outlineInWrapper(GeneratorType, llvm::StringRef name, mlir::Type resultType, llvm::ArrayRef< mlir::Value > args)
Definition IntrinsicCall.cpp:2270
mlir::Value genRuntimeCall(llvm::StringRef name, mlir::Type, llvm::ArrayRef< mlir::Value >)
Definition IntrinsicCall.cpp:2442
mlir::Value genQNan(mlir::Type resultType)
Generate a quiet NaN of a given floating point type.
Definition IntrinsicCall.cpp:4492
mlir::Value genConversion(mlir::Type, llvm::ArrayRef< mlir::Value >)
Definition IntrinsicCall.cpp:2450
mlir::Value genAbs(mlir::Type, llvm::ArrayRef< mlir::Value >)
Definition IntrinsicCall.cpp:2464
fir::ExtendedValue genExtremumVal(FN func, FD funcDim, FC funcChar, llvm::StringRef errMsg, mlir::Type resultType, llvm::ArrayRef< fir::ExtendedValue > args)
Helper for MinVal/MaxVal.
Definition IntrinsicCall.cpp:8646
fir::ExtendedValue readAndAddCleanUp(fir::MutableBoxValue resultMutableBox, mlir::Type resultType, llvm::StringRef errMsg)
Helper function for generating code clean-up for result descriptors.
Definition IntrinsicCall.cpp:2405
decltype(&IntrinsicLibrary::genAbs) ElementalGenerator
Definition IntrinsicCall.h:478
fir::ExtendedValue genCAssociatedCPtr(mlir::Type, llvm::ArrayRef< fir::ExtendedValue >)
C_ASSOCIATED (C_PTR [, C_PTR])
Definition IntrinsicCall.cpp:3112
fir::ExtendedValue genCAssociatedCFunPtr(mlir::Type, llvm::ArrayRef< fir::ExtendedValue >)
C_ASSOCIATED (C_FUNPTR [, C_FUNPTR])
Definition IntrinsicCall.cpp:3105
void genRaiseExcept(int excepts, mlir::Value cond={})
Definition IntrinsicCall.cpp:4499
mlir::Value invokeGenerator(ElementalGenerator generator, mlir::Type resultType, llvm::ArrayRef< mlir::Value > args)
Helper to invoke code generator for the intrinsics given arguments.
Definition IntrinsicCall.cpp:2076
fir::ExtendedValue genExtremumloc(FN func, FD funcDim, llvm::StringRef errMsg, mlir::Type, llvm::ArrayRef< fir::ExtendedValue >)
Process calls to Minloc, Maxloc intrinsic functions.
Definition IntrinsicCall.cpp:8565
Definition IntrinsicCall.h:587
Definition IntrinsicCall.h:637
Definition IntrinsicCall.h:575