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// RUN: %clang_cc1 -x c++ -verify=no-inf-no-nan \
// RUN: -triple powerpc64le-unknown-unknown %s \
// RUN: -menable-no-infs -menable-no-nans -std=c++23
// RUN: %clang_cc1 -x c++ -verify=no-inf-no-nan \
// RUN: -triple powerpc64le-unknown-unknown %s \
// RUN: -menable-no-infs -menable-no-nans -funsafe-math-optimizations \
// RUN: -std=c++23
// RUN: %clang_cc1 -x c++ -verify=no-fast -triple powerpc64le-unknown-unknown \
// RUN: %s -std=c++23
// RUN: %clang_cc1 -x c++ -verify=no-inf -triple powerpc64le-unknown-unknown %s \
// RUN: -menable-no-infs -std=c++23
// RUN: %clang_cc1 -x c++ -verify=no-inf -triple powerpc64le-unknown-unknown %s \
// RUN: -menable-no-infs -funsafe-math-optimizations -std=c++23
// RUN: %clang_cc1 -x c++ -verify=no-nan -triple powerpc64le-unknown-unknown %s \
// RUN: -menable-no-nans -std=c++23
// RUN: %clang_cc1 -x c++ -verify=no-nan -triple powerpc64le-unknown-unknown %s \
// RUN: -funsafe-math-optimizations -menable-no-nans -std=c++23
// RUN: %clang_cc1 -x c++ -verify=no-fast -triple powerpc64le-unknown-unknown \
// RUN: %s -Wno-nan-infinity-disabled -menable-no-infs -std=c++23
// RUN: %clang_cc1 -x c++ -verify=no-fast -triple powerpc64le-unknown-unknown \
// RUN: %s -Wno-nan-infinity-disabled -menable-no-nans -std=c++23
// no-fast-no-diagnostics
int isunorderedf (float x, float y);
extern "C++" {
namespace std __attribute__((__visibility__("default"))) {
bool
isinf(float __x);
bool
isinf(double __x);
bool
isinf(long double __x);
bool
isnan(float __x);
bool
isnan(double __x);
bool
isnan(long double __x);
bool
isfinite(float __x);
bool
isfinite(double __x);
bool
isfinte(long double __x);
bool
isunordered(float __x, float __y);
bool
isunordered(double __x, double __y);
bool
isunordered(long double __x, long double __y);
template <class _Ty>
class numeric_limits {
public:
[[nodiscard]] static constexpr _Ty infinity() noexcept {
return _Ty();
}
};
} // namespace )
}
#define NAN (__builtin_nanf(""))
#define INFINITY (__builtin_inff())
template <>
class std::numeric_limits<float> {
public:
[[nodiscard]] static constexpr float infinity() noexcept {
return __builtin_huge_val();
}
};
template <>
class std::numeric_limits<double> {
public:
[[nodiscard]] static constexpr double infinity() noexcept {
return __builtin_huge_val();
}
};
template <class _Ty>
class numeric_limits {
public:
[[nodiscard]] static constexpr _Ty infinity() noexcept {
return _Ty();
}
};
template <>
class numeric_limits<float> {
public:
[[nodiscard]] static constexpr float infinity() noexcept {
return __builtin_huge_val();
}
};
template <>
class numeric_limits<double> {
public:
[[nodiscard]] static constexpr double infinity() noexcept {
return __builtin_huge_val();
}
};
double infinity() { return 0; }
int compareit(float a, float b) {
volatile int i, j, k, l, m, n, o, p;
// no-inf-no-nan-warning@+4 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
i = a == INFINITY;
// no-inf-no-nan-warning@+4 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
j = INFINITY == a;
// no-inf-no-nan-warning@+4 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+2 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+1 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
i = a == NAN;
// no-inf-no-nan-warning@+4 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+2 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+1 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
j = NAN == a;
// no-inf-no-nan-warning@+4 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
j = INFINITY <= a;
// no-inf-no-nan-warning@+4 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
j = INFINITY < a;
// no-inf-no-nan-warning@+4 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+2 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+1 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
j = a > NAN;
// no-inf-no-nan-warning@+4 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+2 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+1 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
j = a >= NAN;
// no-inf-no-nan-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
k = std::isinf(a);
// no-inf-no-nan-warning@+2 {{use of NaN is undefined behavior due to the currently enabled floating-point option}}
// no-nan-warning@+1 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
l = std::isnan(a);
// no-inf-no-nan-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
o = std::isfinite(a);
// no-inf-no-nan-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
m = __builtin_isinf(a);
// no-inf-no-nan-warning@+2 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+1 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
n = __builtin_isnan(a);
// no-inf-no-nan-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
p = __builtin_isfinite(a);
// These should NOT warn, since they are not using NaN or infinity.
j = a > 1.1;
j = b < 1.1;
j = a >= 1.1;
j = b <= 1.1;
j = isunorderedf(a, b);
#ifndef INFINITY
j = a;
#endif
#ifndef NAN
j = b;
#endif
#ifdef INFINITY
j = a;
#endif
#ifdef NAN
j = b;
#endif
#if defined(INFINITY)
j = a;
#elifndef(INFINITY)
j = b;
#endif
#if defined(INFINITY)
j = a;
#elifndef(NAN)
j = b;
#endif
#if defined(NAN)
j = a;
#elifndef(INFINITY)
j = b;
#endif
// no-inf-no-nan-warning@+4 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+2 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+1 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
j = isunorderedf(a, NAN);
// no-inf-no-nan-warning@+4 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+3 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
j = isunorderedf(a, INFINITY);
// no-inf-no-nan-warning@+6 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+5 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+4 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+3 {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+2 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+1 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
i = std::isunordered(a, NAN);
// no-inf-no-nan-warning@+6 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+5 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-no-nan-warning@+4 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+3 {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-nan-warning@+1 {{use of NaN is undefined behavior due to the currently enabled floating-point options}}
i = std::isunordered(a, INFINITY);
// no-inf-no-nan-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
double y = i * std::numeric_limits<double>::infinity();
y = i * numeric_limits<double>::infinity(); // expected-no-diagnostics
// no-inf-no-nan-warning@+2 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
// no-inf-warning@+1 {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
j = std::numeric_limits<float>::infinity();
j = numeric_limits<float>::infinity(); // expected-no-diagnostics
y = infinity(); // expected-no-diagnostics
return 0;
}
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