73b193aec2
Add a header-only implementation of Briggs & Torczon's fast small integer set data structure to flang/include/flang/Common, and use it in the runtime to manage a pool of Fortran unit numbers with recycling. This replaces the bit set previously used for that purpose. The set is initialized on demand with the negations of all the NEWUNIT= unit numbers that can be returned to any kind of integer variable. For programs that require more concurrently open NEWUNIT= unit numbers than the pool can hold, they are now allocated with a non-recycling counter. This allows as many open units as the operating system provides. Many of the top-line comments in flang/unittests/Runtime had the wrong path name. I noticed this while adding a unit test for the fast integer set data structure, and cleaned them up. Differential Revision: https://reviews.llvm.org/D120685
89 lines
3.7 KiB
C++
89 lines
3.7 KiB
C++
//===-- flang/unittests/Runtime/MiscIntrinsic.cpp ---------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "tools.h"
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#include "flang/Runtime//misc-intrinsic.h"
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#include "flang/Runtime/allocatable.h"
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#include "flang/Runtime/cpp-type.h"
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#include "flang/Runtime/descriptor.h"
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using namespace Fortran::runtime;
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// TRANSFER examples from Fortran 2018
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TEST(MiscIntrinsic, TransferScalar) {
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StaticDescriptor<2, true, 2> staticDesc[2];
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auto &result{staticDesc[0].descriptor()};
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auto source{MakeArray<TypeCategory::Integer, 4>(
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std::vector<int>{}, std::vector<std::int32_t>{1082130432})};
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auto &mold{staticDesc[1].descriptor()};
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mold.Establish(TypeCategory::Real, 4, nullptr, 0);
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RTNAME(Transfer)(result, *source, mold, __FILE__, __LINE__);
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EXPECT_EQ(result.rank(), 0);
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EXPECT_EQ(result.type().raw(), (TypeCode{TypeCategory::Real, 4}.raw()));
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EXPECT_EQ(*result.OffsetElement<float>(), 4.0);
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result.Destroy();
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}
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TEST(MiscIntrinsic, TransferMold) {
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StaticDescriptor<2, true, 2> staticDesc[2];
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auto &result{staticDesc[0].descriptor()};
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auto source{MakeArray<TypeCategory::Real, 4>(
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std::vector<int>{3}, std::vector<float>{1.1F, 2.2F, 3.3F})};
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auto &mold{staticDesc[1].descriptor()};
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SubscriptValue extent[1]{1};
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mold.Establish(TypeCategory::Complex, 4, nullptr, 1, extent);
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RTNAME(Transfer)(result, *source, mold, __FILE__, __LINE__);
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EXPECT_EQ(result.rank(), 1);
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EXPECT_EQ(result.GetDimension(0).LowerBound(), 1);
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EXPECT_EQ(result.GetDimension(0).Extent(), 2);
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EXPECT_EQ(result.type().raw(), (TypeCode{TypeCategory::Complex, 4}.raw()));
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EXPECT_EQ(result.OffsetElement<float>()[0], 1.1F);
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EXPECT_EQ(result.OffsetElement<float>()[1], 2.2F);
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EXPECT_EQ(result.OffsetElement<float>()[2], 3.3F);
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EXPECT_EQ(result.OffsetElement<float>()[3], 0.0F);
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result.Destroy();
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}
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TEST(MiscIntrinsic, TransferSize) {
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StaticDescriptor<2, true, 2> staticDesc[2];
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auto &result{staticDesc[0].descriptor()};
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auto source{MakeArray<TypeCategory::Real, 4>(
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std::vector<int>{3}, std::vector<float>{1.1F, 2.2F, 3.3F})};
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auto &mold{staticDesc[1].descriptor()};
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SubscriptValue extent[1]{1};
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mold.Establish(TypeCategory::Complex, 4, nullptr, 1, extent);
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RTNAME(TransferSize)(result, *source, mold, __FILE__, __LINE__, 1);
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EXPECT_EQ(result.rank(), 1);
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EXPECT_EQ(result.GetDimension(0).LowerBound(), 1);
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EXPECT_EQ(result.GetDimension(0).Extent(), 1);
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EXPECT_EQ(result.type().raw(), (TypeCode{TypeCategory::Complex, 4}.raw()));
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EXPECT_EQ(result.OffsetElement<float>()[0], 1.1F);
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EXPECT_EQ(result.OffsetElement<float>()[1], 2.2F);
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result.Destroy();
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}
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TEST(MiscIntrinsic, TransferSizeScalarMold) {
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StaticDescriptor<2, true, 2> staticDesc[2];
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auto &result{staticDesc[0].descriptor()};
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std::complex<float> sourecStorage{1.1F, -2.2F};
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auto source{Descriptor::Create(TypeCategory::Complex, 4,
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reinterpret_cast<void *>(&sourecStorage), 0, nullptr,
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CFI_attribute_pointer)};
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auto &mold{staticDesc[1].descriptor()};
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mold.Establish(TypeCategory::Real, 4, nullptr, 0, nullptr);
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RTNAME(TransferSize)(result, *source, mold, __FILE__, __LINE__, 2);
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EXPECT_EQ(result.rank(), 1);
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EXPECT_EQ(result.GetDimension(0).LowerBound(), 1);
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EXPECT_EQ(result.GetDimension(0).Extent(), 2);
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EXPECT_EQ(result.type().raw(), (TypeCode{TypeCategory::Real, 4}.raw()));
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EXPECT_EQ(result.OffsetElement<float>()[0], 1.1F);
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EXPECT_EQ(result.OffsetElement<float>()[1], -2.2F);
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result.Destroy();
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}
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