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| 1 | //===-- ConvertCall.h -- lowering of calls ----------------------*- 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 | // Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/ |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | /// |
| 13 | /// Implements the conversion from evaluate::ProcedureRef to FIR. |
| 14 | /// |
| 15 | //===----------------------------------------------------------------------===// |
| 16 | |
| 17 | #ifndef FORTRAN_LOWER_CONVERTCALL_H |
| 18 | #define FORTRAN_LOWER_CONVERTCALL_H |
| 19 | |
| 20 | #include "flang/Lower/AbstractConverter.h" |
| 21 | #include "flang/Lower/CallInterface.h" |
| 22 | #include "flang/Optimizer/Builder/HLFIRTools.h" |
| 23 | #include <optional> |
| 24 | |
| 25 | namespace Fortran::lower { |
| 26 | |
| 27 | /// Given a call site for which the arguments were already lowered, generate |
| 28 | /// the call and return the result. This function deals with explicit result |
| 29 | /// allocation and lowering if needed. It also deals with passing the host |
| 30 | /// link to internal procedures. |
| 31 | /// \p isElemental must be set to true if elemental call is being produced. |
| 32 | /// It is only used for HLFIR. |
| 33 | /// The returned boolean indicates if finalization has been emitted in |
| 34 | /// \p stmtCtx for the result. |
| 35 | std::pair<fir::ExtendedValue, bool> genCallOpAndResult( |
| 36 | mlir::Location loc, Fortran::lower::AbstractConverter &converter, |
| 37 | Fortran::lower::SymMap &symMap, Fortran::lower::StatementContext &stmtCtx, |
| 38 | Fortran::lower::CallerInterface &caller, mlir::FunctionType callSiteType, |
| 39 | std::optional<mlir::Type> resultType, bool isElemental = false); |
| 40 | |
| 41 | /// If \p arg is the address of a function with a denoted host-association tuple |
| 42 | /// argument, then return the host-associations tuple value of the current |
| 43 | /// procedure. Otherwise, return nullptr. |
| 44 | mlir::Value argumentHostAssocs(Fortran::lower::AbstractConverter &converter, |
| 45 | mlir::Value arg); |
| 46 | |
| 47 | /// Is \p procRef an intrinsic module procedure that should be lowered as |
| 48 | /// intrinsic procedures (with Optimizer/Builder/IntrinsicCall.h)? |
| 49 | bool isIntrinsicModuleProcRef(const Fortran::evaluate::ProcedureRef &procRef); |
| 50 | |
| 51 | /// Lower a ProcedureRef to HLFIR. If this is a function call, return the |
| 52 | /// lowered result value. Return nothing otherwise. |
| 53 | std::optional<hlfir::EntityWithAttributes> convertCallToHLFIR( |
| 54 | mlir::Location loc, Fortran::lower::AbstractConverter &converter, |
| 55 | const evaluate::ProcedureRef &procRef, std::optional<mlir::Type> resultType, |
| 56 | Fortran::lower::SymMap &symMap, Fortran::lower::StatementContext &stmtCtx); |
| 57 | |
| 58 | void convertUserDefinedAssignmentToHLFIR( |
| 59 | mlir::Location loc, Fortran::lower::AbstractConverter &converter, |
| 60 | const evaluate::ProcedureRef &procRef, hlfir::Entity lhs, hlfir::Entity rhs, |
| 61 | Fortran::lower::SymMap &symMap); |
| 62 | } // namespace Fortran::lower |
| 63 | #endif // FORTRAN_LOWER_CONVERTCALL_H |
| 64 |
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