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| 1 | +//===----------------------------------------------------------------------===// |
| 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 | +// UNSUPPORTED: c++03, c++11, c++14, c++17 |
| 10 | + |
| 11 | +#include <utility> |
| 12 | +#include "../CartesianBenchmarks.h" |
| 13 | +#include "benchmark/benchmark.h" |
| 14 | + |
| 15 | +namespace { |
| 16 | + |
| 17 | +enum ValueType : size_t { |
| 18 | + SChar, |
| 19 | + UChar, |
| 20 | + Short, |
| 21 | + UShort, |
| 22 | + Int, |
| 23 | + UInt, |
| 24 | + Long, |
| 25 | + ULong, |
| 26 | + LongLong, |
| 27 | + ULongLong, |
| 28 | +#ifndef TEST_HAS_NO_INT128 |
| 29 | + Int128, |
| 30 | + UInt128, |
| 31 | +#endif |
| 32 | +}; |
| 33 | + |
| 34 | +struct AllValueTypes : EnumValuesAsTuple<AllValueTypes, ValueType, 6> { |
| 35 | + static constexpr const char* Names[] = { |
| 36 | + "schar", |
| 37 | + "uchar", |
| 38 | + "short", |
| 39 | + "ushort", |
| 40 | + "int", |
| 41 | + "uint", |
| 42 | + "long", |
| 43 | + "ulong", |
| 44 | + "longlong", |
| 45 | + "ulonglong", |
| 46 | +#ifndef TEST_HAS_NO_INT128 |
| 47 | + "int128", |
| 48 | + "uint128" |
| 49 | +#endif |
| 50 | + }; |
| 51 | +}; |
| 52 | + |
| 53 | +using TestType = |
| 54 | + std::tuple< signed char, |
| 55 | + unsigned char, |
| 56 | + short, |
| 57 | + unsigned short, |
| 58 | + int, |
| 59 | + unsigned int, |
| 60 | + long, |
| 61 | + unsigned long, |
| 62 | + long long, |
| 63 | + unsigned long long |
| 64 | +#ifndef TEST_HAS_NO_INT128 |
| 65 | + , |
| 66 | + __int128_t, |
| 67 | + __uint128_t |
| 68 | +#endif |
| 69 | + >; |
| 70 | + |
| 71 | +template <typename TType, typename UType> |
| 72 | +struct CmpEqual { |
| 73 | + static void run(benchmark::State& state) { |
| 74 | + using T = std::tuple_element_t<TType::value, TestType>; |
| 75 | + using U = std::tuple_element_t<UType::value, TestType>; |
| 76 | + |
| 77 | + T x1 = T{127}, x2 = T{111}; |
| 78 | + U y1 = U{123}, y2 = U{1}; |
| 79 | + for (auto _ : state) { |
| 80 | + benchmark::DoNotOptimize(x1); |
| 81 | + benchmark::DoNotOptimize(x2); |
| 82 | + benchmark::DoNotOptimize(y1); |
| 83 | + benchmark::DoNotOptimize(y2); |
| 84 | + benchmark::DoNotOptimize(std::cmp_equal(x1, y1)); |
| 85 | + benchmark::DoNotOptimize(std::cmp_equal(y1, x1)); |
| 86 | + benchmark::DoNotOptimize(std::cmp_equal(x1, x1)); |
| 87 | + benchmark::DoNotOptimize(std::cmp_equal(y1, y1)); |
| 88 | + |
| 89 | + benchmark::DoNotOptimize(std::cmp_equal(x2, y2)); |
| 90 | + benchmark::DoNotOptimize(std::cmp_equal(y2, x2)); |
| 91 | + benchmark::DoNotOptimize(std::cmp_equal(x2, x2)); |
| 92 | + benchmark::DoNotOptimize(std::cmp_equal(y2, y2)); |
| 93 | + } |
| 94 | + } |
| 95 | + |
| 96 | + static std::string name() { return "BM_CmpEqual" + TType::name() + UType::name(); } |
| 97 | +}; |
| 98 | + |
| 99 | +template <typename TType, typename UType> |
| 100 | +struct CmpLess { |
| 101 | + static void run(benchmark::State& state) { |
| 102 | + using T = std::tuple_element_t<TType::value, TestType>; |
| 103 | + using U = std::tuple_element_t<UType::value, TestType>; |
| 104 | + |
| 105 | + T x1 = T{127}, x2 = T{111}; |
| 106 | + U y1 = U{123}, y2 = U{1}; |
| 107 | + for (auto _ : state) { |
| 108 | + benchmark::DoNotOptimize(x1); |
| 109 | + benchmark::DoNotOptimize(x2); |
| 110 | + benchmark::DoNotOptimize(y1); |
| 111 | + benchmark::DoNotOptimize(y2); |
| 112 | + benchmark::DoNotOptimize(std::cmp_less(x1, y1)); |
| 113 | + benchmark::DoNotOptimize(std::cmp_less(y1, x1)); |
| 114 | + benchmark::DoNotOptimize(std::cmp_less(x1, x1)); |
| 115 | + benchmark::DoNotOptimize(std::cmp_less(y1, y1)); |
| 116 | + |
| 117 | + benchmark::DoNotOptimize(std::cmp_less(x2, y2)); |
| 118 | + benchmark::DoNotOptimize(std::cmp_less(y2, x2)); |
| 119 | + benchmark::DoNotOptimize(std::cmp_less(x2, x2)); |
| 120 | + benchmark::DoNotOptimize(std::cmp_less(y2, y2)); |
| 121 | + } |
| 122 | + } |
| 123 | + |
| 124 | + static std::string name() { return "BM_CmpLess" + TType::name() + UType::name(); } |
| 125 | +}; |
| 126 | + |
| 127 | +} // namespace |
| 128 | + |
| 129 | +int main(int argc, char** argv) { |
| 130 | + benchmark::Initialize(&argc, argv); |
| 131 | + if (benchmark::ReportUnrecognizedArguments(argc, argv)) |
| 132 | + return 1; |
| 133 | + |
| 134 | + makeCartesianProductBenchmark<CmpEqual, AllValueTypes, AllValueTypes>(); |
| 135 | + makeCartesianProductBenchmark<CmpLess, AllValueTypes, AllValueTypes>(); |
| 136 | + benchmark::RunSpecifiedBenchmarks(); |
| 137 | + |
| 138 | + return 0; |
| 139 | +} |
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