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| 1 | //===-- include/flang/Runtime/time-intrinsic.h ------------------*- 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 | // Defines the API between compiled code and the implementations of time-related |
| 10 | // intrinsic subroutines in the runtime library. |
| 11 | |
| 12 | #ifndef FORTRAN_RUNTIME_TIME_INTRINSIC_H_ |
| 13 | #define FORTRAN_RUNTIME_TIME_INTRINSIC_H_ |
| 14 | |
| 15 | #include "flang/Runtime/entry-names.h" |
| 16 | #include <cinttypes> |
| 17 | #include <cstddef> |
| 18 | |
| 19 | namespace Fortran::runtime { |
| 20 | |
| 21 | class Descriptor; |
| 22 | |
| 23 | extern "C" { |
| 24 | |
| 25 | // Lowering may need to cast this result to match the precision of the default |
| 26 | // real kind. |
| 27 | double RTNAME(CpuTime)(); |
| 28 | |
| 29 | // Interface for the SYSTEM_CLOCK intrinsic. We break it up into 3 distinct |
| 30 | // function calls, one for each of SYSTEM_CLOCK's optional output arguments. |
| 31 | // Lowering converts the results to the types of the actual arguments, |
| 32 | // including the case of a real argument for COUNT_RATE=.. |
| 33 | // The kind argument to SystemClockCount and SystemClockCountMax is the |
| 34 | // kind of the integer actual arguments, which are required to be the same |
| 35 | // when both appear. |
| 36 | std::int64_t RTNAME(SystemClockCount)(int kind = 8); |
| 37 | std::int64_t RTNAME(SystemClockCountRate)(int kind = 8); |
| 38 | std::int64_t RTNAME(SystemClockCountMax)(int kind = 8); |
| 39 | |
| 40 | // Interface for DATE_AND_TIME intrinsic. |
| 41 | void RTNAME(DateAndTime)(char *date, std::size_t dateChars, char *time, |
| 42 | std::size_t timeChars, char *zone, std::size_t zoneChars, |
| 43 | const char *source = nullptr, int line = 0, |
| 44 | const Descriptor *values = nullptr); |
| 45 | |
| 46 | } // extern "C" |
| 47 | } // namespace Fortran::runtime |
| 48 | #endif // FORTRAN_RUNTIME_TIME_INTRINSIC_H_ |
| 49 |
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