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
79 lines
3.1 KiB
C++
79 lines
3.1 KiB
C++
//===-- flang/unittests/Runtime/Inquiry.cpp -------------------------------===//
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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 "flang/Runtime/inquiry.h"
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#include "gtest/gtest.h"
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#include "tools.h"
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#include "flang/Runtime/type-code.h"
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using namespace Fortran::runtime;
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using Fortran::common::TypeCategory;
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TEST(Inquiry, Lbound) {
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// ARRAY 1 3 5
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// 2 4 6
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auto array{MakeArray<TypeCategory::Integer, 4>(
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std::vector<int>{2, 3}, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
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array->GetDimension(0).SetLowerBound(0);
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array->GetDimension(1).SetLowerBound(-1);
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EXPECT_EQ(RTNAME(LboundDim)(*array, 1, __FILE__, __LINE__), std::int64_t{0});
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EXPECT_EQ(RTNAME(LboundDim)(*array, 2, __FILE__, __LINE__), std::int64_t{-1});
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}
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TEST(Inquiry, Ubound) {
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// ARRAY 1 3 5
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// 2 4 6
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auto array{MakeArray<TypeCategory::Integer, 4>(
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std::vector<int>{2, 3}, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
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array->GetDimension(0).SetLowerBound(1000);
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array->GetDimension(1).SetLowerBound(1);
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StaticDescriptor<2, true> statDesc;
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int intValue{1};
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SubscriptValue extent[]{2};
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Descriptor &result{statDesc.descriptor()};
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result.Establish(TypeCategory::Integer, /*KIND=*/4,
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static_cast<void *>(&intValue), 1, extent, CFI_attribute_pointer);
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RTNAME(Ubound)(result, *array, /*KIND=*/4, __FILE__, __LINE__);
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EXPECT_EQ(result.rank(), 1);
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EXPECT_EQ(result.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
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// The lower bound of UBOUND's result array is always 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.ZeroBasedIndexedElement<std::int32_t>(0), 1001);
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EXPECT_EQ(*result.ZeroBasedIndexedElement<std::int32_t>(1), 3);
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result.Destroy();
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result = statDesc.descriptor();
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result.Establish(TypeCategory::Integer, /*KIND=*/1,
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static_cast<void *>(&intValue), 1, extent, CFI_attribute_pointer);
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RTNAME(Ubound)(result, *array, /*KIND=*/1, __FILE__, __LINE__);
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EXPECT_EQ(result.rank(), 1);
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EXPECT_EQ(result.type().raw(), (TypeCode{TypeCategory::Integer, 1}.raw()));
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// The lower bound of UBOUND's result array is always 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.ZeroBasedIndexedElement<std::int8_t>(0), -23);
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EXPECT_EQ(*result.ZeroBasedIndexedElement<std::int8_t>(1), 3);
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result.Destroy();
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}
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TEST(Inquiry, Size) {
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// ARRAY 1 3 5
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// 2 4 6
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auto array{MakeArray<TypeCategory::Integer, 4>(
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std::vector<int>{2, 3}, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
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array->GetDimension(0).SetLowerBound(0); // shouldn't matter
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array->GetDimension(1).SetLowerBound(-1);
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EXPECT_EQ(RTNAME(SizeDim)(*array, 1, __FILE__, __LINE__), std::int64_t{2});
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EXPECT_EQ(RTNAME(SizeDim)(*array, 2, __FILE__, __LINE__), std::int64_t{3});
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EXPECT_EQ(RTNAME(Size)(*array, __FILE__, __LINE__), std::int64_t{6});
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}
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