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add constexpr evaluation tests in Sema
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‎clang/test/Sema/constant-builtins-fmaximum-num.cpp

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// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify %s
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// FIXME: %clang_cc1 -std=c++17 -fsyntax-only -verify -fexperimental-new-constant-interpreter %s
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// expected-no-diagnostics
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constexpr double NaN = __builtin_nan("");
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constexpr double Inf = __builtin_inf();
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constexpr double NegInf = -__builtin_inf();
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#define FMAXIMUMNUM_TEST_SIMPLE(T, FUNC) \
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static_assert(T(6.7890) == FUNC(T(1.2345), T(6.7890))); \
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static_assert(T(6.7890) == FUNC(T(6.7890), T(1.2345)));
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#define FMAXIMUMNUM_TEST_NAN(T, FUNC) \
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static_assert(Inf == FUNC(NaN, Inf)); \
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static_assert(NegInf == FUNC(NegInf, NaN)); \
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static_assert(0.0 == FUNC(NaN, 0.0)); \
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static_assert(-0.0 == FUNC(-0.0, NaN)); \
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static_assert(T(-1.2345) == FUNC(NaN, T(-1.2345))); \
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static_assert(T(1.2345) == FUNC(T(1.2345), NaN)); \
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static_assert(__builtin_isnan(FUNC(NaN, NaN)));
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#define FMAXIMUMNUM_TEST_INF(T, FUNC) \
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static_assert(Inf == FUNC(NegInf, Inf)); \
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static_assert(Inf == FUNC(Inf, 0.0)); \
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static_assert(Inf == FUNC(-0.0, Inf)); \
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static_assert(Inf == FUNC(Inf, T(1.2345))); \
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static_assert(Inf == FUNC(T(-1.2345), Inf));
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#define FMAXIMUMNUM_TEST_NEG_INF(T, FUNC) \
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static_assert(Inf == FUNC(Inf, NegInf)); \
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static_assert(0.0 == FUNC(NegInf, 0.0)); \
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static_assert(-0.0 == FUNC(-0.0, NegInf)); \
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static_assert(T(-1.2345) == FUNC(NegInf, T(-1.2345))); \
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static_assert(T(1.2345) == FUNC(T(1.2345), NegInf));
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#define FMAXIMUMNUM_TEST_BOTH_ZERO(T, FUNC) \
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static_assert(__builtin_copysign(1.0, FUNC(0.0, 0.0)) == 1.0); \
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static_assert(__builtin_copysign(1.0, FUNC(-0.0, 0.0)) == 1.0); \
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static_assert(__builtin_copysign(1.0, FUNC(0.0, -0.0)) == 1.0); \
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static_assert(__builtin_copysign(1.0, FUNC(-0.0, -0.0)) == -1.0);
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#define LIST_FMAXIMUMNUM_TESTS(T, FUNC) \
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FMAXIMUMNUM_TEST_SIMPLE(T, FUNC) \
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FMAXIMUMNUM_TEST_NAN(T, FUNC) \
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FMAXIMUMNUM_TEST_INF(T, FUNC) \
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FMAXIMUMNUM_TEST_NEG_INF(T, FUNC) \
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FMAXIMUMNUM_TEST_BOTH_ZERO(T, FUNC)
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LIST_FMAXIMUMNUM_TESTS(double, __builtin_fmaximum_num)
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LIST_FMAXIMUMNUM_TESTS(float, __builtin_fmaximum_numf)
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LIST_FMAXIMUMNUM_TESTS((long double), __builtin_fmaximum_numl)
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LIST_FMAXIMUMNUM_TESTS(__fp16, __builtin_fmaximum_numf16)
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#ifdef __FLOAT128__
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LIST_FMAXIMUMNUM_TESTS(__float128, __builtin_fmaximum_numf128)
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#endif

‎clang/test/Sema/constant-builtins-fminimum-num.cpp

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// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify %s
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// FIXME: %clang_cc1 -std=c++17 -fsyntax-only -verify -fexperimental-new-constant-interpreter %s
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// expected-no-diagnostics
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constexpr double NaN = __builtin_nan("");
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constexpr double Inf = __builtin_inf();
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constexpr double NegInf = -__builtin_inf();
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#define FMAXIMUMNUM_TEST_SIMPLE(T, FUNC) \
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static_assert(T(1.2345) == FUNC(T(1.2345), T(6.7890))); \
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static_assert(T(1.2345) == FUNC(T(6.7890), T(1.2345)));
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#define FMAXIMUMNUM_TEST_NAN(T, FUNC) \
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static_assert(Inf == FUNC(NaN, Inf)); \
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static_assert(NegInf == FUNC(NegInf, NaN)); \
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static_assert(0.0 == FUNC(NaN, 0.0)); \
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static_assert(-0.0 == FUNC(-0.0, NaN)); \
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static_assert(T(-1.2345) == FUNC(NaN, T(-1.2345))); \
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static_assert(T(1.2345) == FUNC(T(1.2345), NaN)); \
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static_assert(__builtin_isnan(FUNC(NaN, NaN)));
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#define FMAXIMUMNUM_TEST_INF(T, FUNC) \
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static_assert(NegInf == FUNC(NegInf, Inf)); \
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static_assert(0.0 == FUNC(Inf, 0.0)); \
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static_assert(-0.0 == FUNC(-0.0, Inf)); \
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static_assert(T(1.2345) == FUNC(Inf, T(1.2345))); \
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static_assert(T(-1.2345) == FUNC(T(-1.2345), Inf));
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#define FMAXIMUMNUM_TEST_NEG_INF(T, FUNC) \
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static_assert(NegInf == FUNC(Inf, NegInf)); \
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static_assert(NegInf == FUNC(NegInf, 0.0)); \
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static_assert(NegInf == FUNC(-0.0, NegInf)); \
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static_assert(NegInf == FUNC(NegInf, T(-1.2345))); \
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static_assert(NegInf == FUNC(T(1.2345), NegInf));
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#define FMAXIMUMNUM_TEST_BOTH_ZERO(T, FUNC) \
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static_assert(__builtin_copysign(1.0, FUNC(0.0, 0.0)) == 1.0); \
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static_assert(__builtin_copysign(1.0, FUNC(-0.0, 0.0)) == -1.0); \
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static_assert(__builtin_copysign(1.0, FUNC(0.0, -0.0)) == -1.0); \
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static_assert(__builtin_copysign(1.0, FUNC(-0.0, -0.0)) == -1.0);
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#define LIST_FMAXIMUMNUM_TESTS(T, FUNC) \
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FMAXIMUMNUM_TEST_SIMPLE(T, FUNC) \
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FMAXIMUMNUM_TEST_NAN(T, FUNC) \
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FMAXIMUMNUM_TEST_INF(T, FUNC) \
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FMAXIMUMNUM_TEST_NEG_INF(T, FUNC) \
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FMAXIMUMNUM_TEST_BOTH_ZERO(T, FUNC)
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LIST_FMAXIMUMNUM_TESTS(double, __builtin_fminimum_num)
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LIST_FMAXIMUMNUM_TESTS(float, __builtin_fminimum_numf)
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LIST_FMAXIMUMNUM_TESTS((long double), __builtin_fminimum_numl)
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LIST_FMAXIMUMNUM_TESTS(__fp16, __builtin_fminimum_numf16)
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#ifdef __FLOAT128__
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LIST_FMAXIMUMNUM_TESTS(__float128, __builtin_fminimum_numf128)
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#endif

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