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c4ef805b0b
Re-write the sema and codegen for the atomic_test_and_set and atomic_clear builtin functions to go via AtomicExpr, like the other atomic builtins do. This simplifies the code, because AtomicExpr already handles things like generating code for to dynamically select the memory ordering, which was duplicated for these builtins. This also fixes a few crash bugs, one when passing an integer to the pointer argument, and one when using an array. This also adds diagnostics for the memory orderings which are not valid for atomic_clear according to https://gcc.gnu.org/onlinedocs/gcc/_005f_005fatomic-Builtins.html, which were missing before. Fixes https://github.com/llvm/llvm-project/issues/111293. This is a re-land of #120449, modified to allow any non-const pointer type for the first argument.
894 lines
66 KiB
C
894 lines
66 KiB
C
// RUN: %clang_cc1 %s -verify=expected,fp80,noi128 -fgnuc-version=4.2.1 -ffreestanding \
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// RUN: -fsyntax-only -triple=i686-linux-gnu -std=c11
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// RUN: %clang_cc1 %s -verify=expected,noi128 -fgnuc-version=4.2.1 -ffreestanding \
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// RUN: -fsyntax-only -triple=i686-linux-android -std=c11
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// RUN: %clang_cc1 %s -verify -fgnuc-version=4.2.1 -ffreestanding \
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// RUN: -fsyntax-only -triple=powerpc64-linux-gnu -std=c11
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// RUN: %clang_cc1 %s -verify -fgnuc-version=4.2.1 -ffreestanding \
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// RUN: -fsyntax-only -triple=powerpc64-linux-gnu -std=c11 \
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// RUN: -target-cpu pwr7
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// RUN: %clang_cc1 %s -verify -fgnuc-version=4.2.1 -ffreestanding \
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// RUN: -fsyntax-only -triple=powerpc64le-linux-gnu -std=c11 \
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// RUN: -target-cpu pwr8 -DPPC64_PWR8
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// RUN: %clang_cc1 %s -verify -fgnuc-version=4.2.1 -ffreestanding \
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// RUN: -fsyntax-only -triple=powerpc64-unknown-aix -std=c11 \
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// RUN: -target-cpu pwr8
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// RUN: %clang_cc1 %s -verify -fgnuc-version=4.2.1 -ffreestanding \
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// RUN: -fsyntax-only -triple=powerpc64-unknown-aix -std=c11 \
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// RUN: -mabi=quadword-atomics -target-cpu pwr8 -DPPC64_PWR8
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// Basic parsing/Sema tests for __c11_atomic_*
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#include <stdatomic.h>
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struct S { char c[3]; };
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_Static_assert(__GCC_ATOMIC_BOOL_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_BOOL_LOCK_FREE == __CLANG_ATOMIC_BOOL_LOCK_FREE, "");
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_Static_assert(__GCC_ATOMIC_CHAR_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_CHAR_LOCK_FREE == __CLANG_ATOMIC_CHAR_LOCK_FREE, "");
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_Static_assert(__GCC_ATOMIC_CHAR16_T_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_CHAR16_T_LOCK_FREE == __CLANG_ATOMIC_CHAR16_T_LOCK_FREE, "");
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_Static_assert(__GCC_ATOMIC_CHAR32_T_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_CHAR32_T_LOCK_FREE == __CLANG_ATOMIC_CHAR32_T_LOCK_FREE, "");
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_Static_assert(__GCC_ATOMIC_WCHAR_T_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_WCHAR_T_LOCK_FREE == __CLANG_ATOMIC_WCHAR_T_LOCK_FREE, "");
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_Static_assert(__GCC_ATOMIC_SHORT_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_SHORT_LOCK_FREE == __CLANG_ATOMIC_SHORT_LOCK_FREE, "");
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_Static_assert(__GCC_ATOMIC_INT_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_INT_LOCK_FREE == __CLANG_ATOMIC_INT_LOCK_FREE, "");
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_Static_assert(__GCC_ATOMIC_LONG_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_LONG_LOCK_FREE == __CLANG_ATOMIC_LONG_LOCK_FREE, "");
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_Static_assert(__GCC_ATOMIC_LLONG_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_LLONG_LOCK_FREE == __CLANG_ATOMIC_LLONG_LOCK_FREE, "");
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_Static_assert(__GCC_ATOMIC_POINTER_LOCK_FREE == 2, "");
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_Static_assert(__GCC_ATOMIC_POINTER_LOCK_FREE == __CLANG_ATOMIC_POINTER_LOCK_FREE, "");
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_Static_assert(__c11_atomic_is_lock_free(1), "");
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_Static_assert(__c11_atomic_is_lock_free(2), "");
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_Static_assert(__c11_atomic_is_lock_free(3), ""); // expected-error {{not an integral constant expression}}
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_Static_assert(__c11_atomic_is_lock_free(4), "");
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_Static_assert(__c11_atomic_is_lock_free(8), "");
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#ifndef PPC64_PWR8
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_Static_assert(__c11_atomic_is_lock_free(16), ""); // expected-error {{not an integral constant expression}}
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#else
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_Static_assert(__c11_atomic_is_lock_free(16), ""); // expected-no-error
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#endif
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_Static_assert(__c11_atomic_is_lock_free(17), ""); // expected-error {{not an integral constant expression}}
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_Static_assert(__atomic_is_lock_free(1, 0), "");
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_Static_assert(__atomic_is_lock_free(2, 0), "");
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_Static_assert(__atomic_is_lock_free(3, 0), ""); // expected-error {{not an integral constant expression}}
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_Static_assert(__atomic_is_lock_free(4, 0), "");
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_Static_assert(__atomic_is_lock_free(8, 0), "");
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#ifndef PPC64_PWR8
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_Static_assert(__atomic_is_lock_free(16, 0), ""); // expected-error {{not an integral constant expression}}
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#else
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_Static_assert(__atomic_is_lock_free(16, 0), ""); // expected-no-error
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#endif
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_Static_assert(__atomic_is_lock_free(17, 0), ""); // expected-error {{not an integral constant expression}}
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_Static_assert(atomic_is_lock_free((atomic_char*)0), "");
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_Static_assert(atomic_is_lock_free((atomic_short*)0), "");
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_Static_assert(atomic_is_lock_free((atomic_int*)0), "");
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_Static_assert(atomic_is_lock_free((atomic_long*)0), "");
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#ifndef PPC64_PWR8
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// noi128-error@+1 {{__int128 is not supported on this target}}
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_Static_assert(atomic_is_lock_free((_Atomic(__int128)*)0), ""); // expected-error {{not an integral constant expression}}
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#else
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_Static_assert(atomic_is_lock_free((_Atomic(__int128)*)0), ""); // expected-no-error
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#endif
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_Static_assert(atomic_is_lock_free(0 + (atomic_char*)0), "");
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char i8;
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short i16;
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int i32;
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int __attribute__((vector_size(8))) i64;
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struct Incomplete *incomplete; // expected-note {{forward declaration of 'struct Incomplete'}}
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_Static_assert(__atomic_is_lock_free(1, &i8), "");
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_Static_assert(__atomic_is_lock_free(1, &i64), "");
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_Static_assert(__atomic_is_lock_free(2, &i8), ""); // expected-error {{not an integral constant expression}}
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_Static_assert(__atomic_is_lock_free(2, &i16), "");
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_Static_assert(__atomic_is_lock_free(2, &i64), "");
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_Static_assert(__atomic_is_lock_free(4, &i16), ""); // expected-error {{not an integral constant expression}}
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_Static_assert(__atomic_is_lock_free(4, &i32), "");
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_Static_assert(__atomic_is_lock_free(4, &i64), "");
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_Static_assert(__atomic_is_lock_free(8, &i32), ""); // expected-error {{not an integral constant expression}}
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_Static_assert(__atomic_is_lock_free(8, &i64), "");
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_Static_assert(__atomic_always_lock_free(1, 0), "");
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_Static_assert(__atomic_always_lock_free(2, 0), "");
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_Static_assert(!__atomic_always_lock_free(3, 0), "");
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_Static_assert(__atomic_always_lock_free(4, 0), "");
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_Static_assert(__atomic_always_lock_free(8, 0), "");
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#ifndef PPC64_PWR8
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_Static_assert(!__atomic_always_lock_free(16, 0), "");
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#else
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_Static_assert(__atomic_always_lock_free(16, 0), "");
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#endif
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_Static_assert(!__atomic_always_lock_free(17, 0), "");
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_Static_assert(__atomic_always_lock_free(1, incomplete), "");
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_Static_assert(!__atomic_always_lock_free(2, incomplete), "");
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_Static_assert(!__atomic_always_lock_free(4, incomplete), "");
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_Static_assert(__atomic_always_lock_free(1, &i8), "");
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_Static_assert(__atomic_always_lock_free(1, &i64), "");
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_Static_assert(!__atomic_always_lock_free(2, &i8), "");
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_Static_assert(__atomic_always_lock_free(2, &i16), "");
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_Static_assert(__atomic_always_lock_free(2, &i64), "");
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_Static_assert(!__atomic_always_lock_free(4, &i16), "");
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_Static_assert(__atomic_always_lock_free(4, &i32), "");
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_Static_assert(__atomic_always_lock_free(4, &i64), "");
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_Static_assert(!__atomic_always_lock_free(8, &i32), "");
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_Static_assert(__atomic_always_lock_free(8, &i64), "");
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// Validate use with fake pointers constants. This mechanism is used to allow
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// validating atomicity of a given size and alignment.
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_Static_assert(__atomic_is_lock_free(1, (void*)1), "");
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_Static_assert(__atomic_is_lock_free(1, (void*)-1), "");
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_Static_assert(__atomic_is_lock_free(4, (void*)2), ""); // expected-error {{not an integral constant expression}}
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_Static_assert(__atomic_is_lock_free(4, (void*)-2), ""); // expected-error {{not an integral constant expression}}
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_Static_assert(__atomic_is_lock_free(4, (void*)4), "");
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_Static_assert(__atomic_is_lock_free(4, (void*)-4), "");
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_Static_assert(__atomic_always_lock_free(1, (void*)1), "");
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_Static_assert(__atomic_always_lock_free(1, (void*)-1), "");
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_Static_assert(!__atomic_always_lock_free(4, (void*)2), "");
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_Static_assert(!__atomic_always_lock_free(4, (void*)-2), "");
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_Static_assert(__atomic_always_lock_free(4, (void*)4), "");
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_Static_assert(__atomic_always_lock_free(4, (void*)-4), "");
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// Ensure that "weird" constants don't cause trouble.
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_Static_assert(__atomic_always_lock_free(1, "string"), "");
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_Static_assert(!__atomic_always_lock_free(2, "string"), "");
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_Static_assert(__atomic_always_lock_free(2, (int[2]){}), "");
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void dummyfn();
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_Static_assert(__atomic_always_lock_free(2, dummyfn) || 1, "");
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#define _AS1 __attribute__((address_space(1)))
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#define _AS2 __attribute__((address_space(2)))
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void f(_Atomic(int) *i, const _Atomic(int) *ci,
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_Atomic(int*) *p, _Atomic(float) *f, _Atomic(double) *d,
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_Atomic(long double) *ld,
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int *I, const int *CI,
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int **P, float *F, double *D, struct S *s1, struct S *s2) {
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__c11_atomic_init(I, 5); // expected-error {{pointer to _Atomic}}
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__c11_atomic_init(ci, 5); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const _Atomic(int) *' invalid)}}
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__c11_atomic_load(0); // expected-error {{too few arguments to function}}
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__c11_atomic_load(0,0,0); // expected-error {{too many arguments to function}}
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__c11_atomic_store(0,0,0); // expected-error {{address argument to atomic builtin must be a pointer}}
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__c11_atomic_store((int*)0,0,0); // expected-error {{address argument to atomic operation must be a pointer to _Atomic}}
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__c11_atomic_store(i, 0, memory_order_relaxed);
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__c11_atomic_store(ci, 0, memory_order_relaxed); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const _Atomic(int) *' invalid)}}
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__c11_atomic_load(i, memory_order_seq_cst);
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__c11_atomic_load(p, memory_order_seq_cst);
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__c11_atomic_load(f, memory_order_seq_cst);
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__c11_atomic_load(ci, memory_order_seq_cst);
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int load_n_1 = __atomic_load_n(I, memory_order_relaxed);
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int *load_n_2 = __atomic_load_n(P, memory_order_relaxed);
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float load_n_3 = __atomic_load_n(D, memory_order_relaxed); // expected-error {{must be a pointer to integer or pointer}}
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__atomic_load_n(s1, memory_order_relaxed); // expected-error {{must be a pointer to integer or pointer}}
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load_n_1 = __atomic_load_n(CI, memory_order_relaxed);
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__atomic_load(i, I, memory_order_relaxed); // expected-error {{must be a pointer to a trivially-copyable type}}
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__atomic_load(CI, I, memory_order_relaxed);
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__atomic_load(I, i, memory_order_relaxed); // expected-warning {{passing '_Atomic(int) *' to parameter of type 'int *'}}
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__atomic_load(I, *P, memory_order_relaxed);
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__atomic_load(I, *P, memory_order_relaxed, 42); // expected-error {{too many arguments}}
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(int)__atomic_load(I, I, memory_order_seq_cst); // expected-error {{operand of type 'void'}}
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__atomic_load(s1, s2, memory_order_acquire);
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__atomic_load(CI, I, memory_order_relaxed);
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__atomic_load(I, CI, memory_order_relaxed); // expected-warning {{passing 'const int *' to parameter of type 'int *' discards qualifiers}}
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__atomic_load(CI, CI, memory_order_relaxed); // expected-warning {{passing 'const int *' to parameter of type 'int *' discards qualifiers}}
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__c11_atomic_store(i, 1, memory_order_seq_cst);
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__c11_atomic_store(p, 1, memory_order_seq_cst); // expected-error {{incompatible integer to pointer conversion}}
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(int)__c11_atomic_store(f, 1, memory_order_seq_cst); // expected-error {{operand of type 'void'}}
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__atomic_store_n(I, 4, memory_order_release);
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__atomic_store_n(I, 4.0, memory_order_release);
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__atomic_store_n(CI, 4, memory_order_release); // expected-error {{address argument to atomic operation must be a pointer to non-const type ('const int *' invalid)}}
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__atomic_store_n(I, P, memory_order_release); // expected-error {{parameter of type 'int'}}
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__atomic_store_n(i, 1, memory_order_release); // expected-error {{must be a pointer to integer or pointer}}
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__atomic_store_n(s1, *s2, memory_order_release); // expected-error {{must be a pointer to integer or pointer}}
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__atomic_store_n(I, I, memory_order_release); // expected-error {{incompatible pointer to integer conversion passing 'int *' to parameter of type 'int'; dereference with *}}
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__atomic_store(I, *P, memory_order_release);
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__atomic_store(CI, I, memory_order_release); // expected-error {{address argument to atomic operation must be a pointer to non-const type ('const int *' invalid)}}
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__atomic_store(s1, s2, memory_order_release);
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__atomic_store(i, I, memory_order_release); // expected-error {{trivially-copyable}}
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int exchange_1 = __c11_atomic_exchange(i, 1, memory_order_seq_cst);
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int exchange_2 = __c11_atomic_exchange(I, 1, memory_order_seq_cst); // expected-error {{must be a pointer to _Atomic}}
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int exchange_3 = __atomic_exchange_n(i, 1, memory_order_seq_cst); // expected-error {{must be a pointer to integer or pointer}}
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int exchange_4 = __atomic_exchange_n(I, 1, memory_order_seq_cst);
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__atomic_exchange(s1, s2, s2, memory_order_seq_cst);
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__atomic_exchange(s1, I, P, memory_order_seq_cst); // expected-warning 2{{parameter of type 'struct S *'}}
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(int)__atomic_exchange(s1, s2, s2, memory_order_seq_cst); // expected-error {{operand of type 'void'}}
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__atomic_exchange(I, I, I, memory_order_seq_cst);
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__atomic_exchange(CI, I, I, memory_order_seq_cst); // expected-error {{address argument to atomic operation must be a pointer to non-const type ('const int *' invalid)}}
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__atomic_exchange(I, I, CI, memory_order_seq_cst); // expected-warning {{passing 'const int *' to parameter of type 'int *' discards qualifiers}}
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__c11_atomic_fetch_add(i, 1, memory_order_seq_cst);
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__c11_atomic_fetch_add(p, 1, memory_order_seq_cst);
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__c11_atomic_fetch_add(f, 1.0f, memory_order_seq_cst);
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__c11_atomic_fetch_add(d, 1.0, memory_order_seq_cst);
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__c11_atomic_fetch_add(ld, 1.0, memory_order_seq_cst); // fp80-error {{must be a pointer to atomic integer, pointer or supported floating point type}}
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__c11_atomic_fetch_min(i, 1, memory_order_seq_cst);
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__c11_atomic_fetch_min(p, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer or supported floating point type}}
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__c11_atomic_fetch_min(f, 1.0f, memory_order_seq_cst);
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__c11_atomic_fetch_min(d, 1.0, memory_order_seq_cst);
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__c11_atomic_fetch_min(ld, 1.0, memory_order_seq_cst); // fp80-error {{must be a pointer to atomic integer or supported floating point type}}
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__c11_atomic_fetch_max(i, 1, memory_order_seq_cst);
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__c11_atomic_fetch_max(p, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer or supported floating point type}}
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__c11_atomic_fetch_max(f, 1.0f, memory_order_seq_cst);
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__c11_atomic_fetch_max(d, 1.0, memory_order_seq_cst);
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__c11_atomic_fetch_max(ld, 1.0, memory_order_seq_cst); // fp80-error {{must be a pointer to atomic integer or supported floating point type}}
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__atomic_fetch_add(i, 3, memory_order_seq_cst); // expected-error {{pointer to integer, pointer or supported floating point type}}
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__atomic_fetch_sub(I, 3, memory_order_seq_cst);
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__atomic_fetch_sub(P, 3, memory_order_seq_cst);
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__atomic_fetch_sub(F, 3, memory_order_seq_cst);
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__atomic_fetch_sub(s1, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer, pointer or supported floating point type}}
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__atomic_fetch_min(F, 3, memory_order_seq_cst);
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__atomic_fetch_min(D, 3, memory_order_seq_cst);
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__atomic_fetch_max(F, 3, memory_order_seq_cst);
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__atomic_fetch_max(D, 3, memory_order_seq_cst);
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__atomic_fetch_max(P, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer or supported floating point type}}
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__atomic_fetch_max(p, 3); // expected-error {{too few arguments to function call, expected 3, have 2}}
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__c11_atomic_fetch_and(i, 1, memory_order_seq_cst);
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__c11_atomic_fetch_and(p, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer}}
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__c11_atomic_fetch_and(f, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer}}
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__atomic_fetch_and(i, 3, memory_order_seq_cst); // expected-error {{pointer to integer}}
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__atomic_fetch_or(I, 3, memory_order_seq_cst);
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__atomic_fetch_xor(P, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer}}
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__atomic_fetch_or(F, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer}}
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__atomic_fetch_and(s1, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer}}
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_Bool cmpexch_1 = __c11_atomic_compare_exchange_strong(i, I, 1, memory_order_seq_cst, memory_order_seq_cst);
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_Bool cmpexch_2 = __c11_atomic_compare_exchange_strong(p, P, (int*)1, memory_order_seq_cst, memory_order_seq_cst);
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_Bool cmpexch_3 = __c11_atomic_compare_exchange_strong(f, I, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{incompatible pointer types}}
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(void)__c11_atomic_compare_exchange_strong(i, CI, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{passing 'const int *' to parameter of type 'int *' discards qualifiers}}
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_Bool cmpexchw_1 = __c11_atomic_compare_exchange_weak(i, I, 1, memory_order_seq_cst, memory_order_seq_cst);
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_Bool cmpexchw_2 = __c11_atomic_compare_exchange_weak(p, P, (int*)1, memory_order_seq_cst, memory_order_seq_cst);
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_Bool cmpexchw_3 = __c11_atomic_compare_exchange_weak(f, I, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{incompatible pointer types}}
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(void)__c11_atomic_compare_exchange_weak(i, CI, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{passing 'const int *' to parameter of type 'int *' discards qualifiers}}
|
|
|
|
_Bool cmpexch_4 = __atomic_compare_exchange_n(I, I, 5, 1, memory_order_seq_cst, memory_order_seq_cst);
|
|
_Bool cmpexch_5 = __atomic_compare_exchange_n(I, P, 5, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{; dereference with *}}
|
|
_Bool cmpexch_6 = __atomic_compare_exchange_n(I, I, P, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-error {{passing 'int **' to parameter of type 'int'}}
|
|
(void)__atomic_compare_exchange_n(CI, I, 5, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-error {{address argument to atomic operation must be a pointer to non-const type ('const int *' invalid)}}
|
|
(void)__atomic_compare_exchange_n(I, CI, 5, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{passing 'const int *' to parameter of type 'int *' discards qualifiers}}
|
|
|
|
_Bool cmpexch_7 = __atomic_compare_exchange(I, I, 5, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-error {{passing 'int' to parameter of type 'int *'}}
|
|
_Bool cmpexch_8 = __atomic_compare_exchange(I, P, I, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{; dereference with *}}
|
|
_Bool cmpexch_9 = __atomic_compare_exchange(I, I, I, 0, memory_order_seq_cst, memory_order_seq_cst);
|
|
(void)__atomic_compare_exchange(CI, I, I, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-error {{address argument to atomic operation must be a pointer to non-const type ('const int *' invalid)}}
|
|
(void)__atomic_compare_exchange(I, CI, I, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{passing 'const int *' to parameter of type 'int *' discards qualifiers}}
|
|
|
|
// Pointers to different address spaces are allowed.
|
|
_Bool cmpexch_10 = __c11_atomic_compare_exchange_strong((_Atomic int _AS1 *)0x308, (int _AS2 *)0x309, 1, memory_order_seq_cst, memory_order_seq_cst);
|
|
|
|
const volatile int flag_k = 0;
|
|
volatile int flag = 0;
|
|
(void)(int)__atomic_test_and_set(&flag_k, memory_order_seq_cst); // expected-error {{address argument to atomic operation must be a pointer to non-const type ('const volatile int *' invalid)}}
|
|
(void)(int)__atomic_test_and_set(&flag, memory_order_seq_cst);
|
|
__atomic_clear(&flag_k, memory_order_seq_cst); // expected-error {{address argument to atomic operation must be a pointer to non-const type ('const volatile int *' invalid)}}
|
|
__atomic_clear(&flag, memory_order_seq_cst);
|
|
(int)__atomic_clear(&flag, memory_order_seq_cst); // expected-error {{operand of type 'void'}}
|
|
__atomic_clear(0x8000, memory_order_seq_cst); // expected-error {{address argument to atomic builtin must be a pointer ('int' invalid)}}
|
|
__atomic_clear(&flag, memory_order_consume); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
__atomic_clear(&flag, memory_order_acquire); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
__atomic_clear(&flag, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
_Bool lock;
|
|
__atomic_test_and_set(lock, memory_order_acquire); // expected-error {{address argument to atomic builtin must be a pointer}}
|
|
__atomic_clear(lock, memory_order_release); // expected-error {{address argument to atomic builtin must be a pointer}}
|
|
|
|
// These intrinsics accept any non-const pointer type (including
|
|
// pointer-to-incomplete), and access the first byte.
|
|
__atomic_test_and_set((void*)0x8000, memory_order_seq_cst);
|
|
__atomic_test_and_set((char*)0x8000, memory_order_seq_cst);
|
|
__atomic_test_and_set((int*)0x8000, memory_order_seq_cst);
|
|
__atomic_test_and_set((struct incomplete*)0x8000, memory_order_seq_cst);
|
|
__atomic_clear((void*)0x8000, memory_order_seq_cst);
|
|
__atomic_clear((char*)0x8000, memory_order_seq_cst);
|
|
__atomic_clear((int*)0x8000, memory_order_seq_cst);
|
|
__atomic_clear((struct incomplete*)0x8000, memory_order_seq_cst);
|
|
|
|
__c11_atomic_init(ci, 0); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const _Atomic(int) *' invalid)}}
|
|
__c11_atomic_store(ci, 0, memory_order_release); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const _Atomic(int) *' invalid)}}
|
|
__c11_atomic_load(ci, memory_order_acquire);
|
|
|
|
// Ensure the <stdatomic.h> macros behave appropriately.
|
|
atomic_int n = ATOMIC_VAR_INIT(123);
|
|
atomic_init(&n, 456);
|
|
atomic_init(&n, (void*)0); // expected-error {{passing 'void *' to parameter of type 'int'}}
|
|
|
|
const atomic_wchar_t cawt;
|
|
atomic_init(&cawt, L'x'); // expected-error {{non-const}}
|
|
atomic_wchar_t awt;
|
|
atomic_init(&awt, L'x');
|
|
|
|
int x = kill_dependency(12);
|
|
|
|
atomic_thread_fence(); // expected-error {{too few arguments to function call}}
|
|
atomic_thread_fence(memory_order_seq_cst);
|
|
atomic_signal_fence(memory_order_seq_cst);
|
|
void (*pfn)(memory_order) = &atomic_thread_fence;
|
|
pfn = &atomic_signal_fence;
|
|
|
|
int k = atomic_load_explicit(&n, memory_order_relaxed);
|
|
atomic_store_explicit(&n, k, memory_order_relaxed);
|
|
atomic_store(&n, atomic_load(&n));
|
|
|
|
k = atomic_exchange(&n, 72);
|
|
k = atomic_exchange_explicit(&n, k, memory_order_release);
|
|
|
|
atomic_compare_exchange_strong(&n, k, k); // expected-error {{take the address with &}}
|
|
atomic_compare_exchange_weak(&n, &k, k);
|
|
atomic_compare_exchange_strong_explicit(&n, &k, k, memory_order_seq_cst); // expected-error {{too few arguments}}
|
|
atomic_compare_exchange_weak_explicit(&n, &k, k, memory_order_seq_cst, memory_order_acquire);
|
|
|
|
atomic_fetch_add(&k, n); // expected-error {{must be a pointer to _Atomic}}
|
|
k = atomic_fetch_add(&n, k);
|
|
k = atomic_fetch_sub(&n, k);
|
|
k = atomic_fetch_and(&n, k);
|
|
k = atomic_fetch_or(&n, k);
|
|
k = atomic_fetch_xor(&n, k);
|
|
k = atomic_fetch_add_explicit(&n, k, memory_order_acquire);
|
|
k = atomic_fetch_sub_explicit(&n, k, memory_order_release);
|
|
k = atomic_fetch_and_explicit(&n, k, memory_order_acq_rel);
|
|
k = atomic_fetch_or_explicit(&n, k, memory_order_consume);
|
|
k = atomic_fetch_xor_explicit(&n, k, memory_order_relaxed);
|
|
|
|
// C11 7.17.1/4: atomic_flag is a structure type.
|
|
struct atomic_flag must_be_struct = ATOMIC_FLAG_INIT;
|
|
// C11 7.17.8/5 implies that it is also a typedef type.
|
|
atomic_flag guard = ATOMIC_FLAG_INIT;
|
|
_Bool old_val = atomic_flag_test_and_set(&guard);
|
|
if (old_val) atomic_flag_clear(&guard);
|
|
|
|
old_val = (atomic_flag_test_and_set)(&guard);
|
|
if (old_val) (atomic_flag_clear)(&guard);
|
|
|
|
const atomic_flag const_guard;
|
|
atomic_flag_test_and_set(&const_guard); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const atomic_bool *' (aka 'const _Atomic(_Bool) *') invalid)}}
|
|
atomic_flag_clear(&const_guard); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const atomic_bool *' (aka 'const _Atomic(_Bool) *') invalid)}}
|
|
}
|
|
|
|
_Atomic(int*) PR12527_a;
|
|
void PR12527(void) { int *b = PR12527_a; }
|
|
|
|
void PR16931(int* x) { // expected-note {{passing argument to parameter 'x' here}}
|
|
typedef struct { _Atomic(_Bool) flag; } flag;
|
|
flag flagvar = { 0 };
|
|
PR16931(&flagvar); // expected-warning {{incompatible pointer types}}
|
|
}
|
|
|
|
void memory_checks(_Atomic(int) *Ap, int *p, int val) {
|
|
(void)__c11_atomic_load(Ap, memory_order_relaxed);
|
|
(void)__c11_atomic_load(Ap, memory_order_acquire);
|
|
(void)__c11_atomic_load(Ap, memory_order_consume);
|
|
(void)__c11_atomic_load(Ap, memory_order_release); // expected-warning-re {{{{^}}memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_load(Ap, memory_order_acq_rel); // expected-warning-re {{{{^}}memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_load(Ap, memory_order_seq_cst);
|
|
(void)__c11_atomic_load(Ap, val);
|
|
(void)__c11_atomic_load(Ap, -1); // expected-warning-re {{{{^}}memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_load(Ap, 42); // expected-warning-re {{{{^}}memory order argument to atomic operation is invalid}}
|
|
|
|
(void)__c11_atomic_store(Ap, val, memory_order_relaxed);
|
|
(void)__c11_atomic_store(Ap, val, memory_order_acquire); // expected-warning-re {{{{^}}memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_store(Ap, val, memory_order_consume); // expected-warning-re {{{{^}}memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_store(Ap, val, memory_order_release);
|
|
(void)__c11_atomic_store(Ap, val, memory_order_acq_rel); // expected-warning-re {{{{^}}memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_store(Ap, val, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_fetch_add(Ap, 1, memory_order_relaxed);
|
|
(void)__c11_atomic_fetch_add(Ap, 1, memory_order_acquire);
|
|
(void)__c11_atomic_fetch_add(Ap, 1, memory_order_consume);
|
|
(void)__c11_atomic_fetch_add(Ap, 1, memory_order_release);
|
|
(void)__c11_atomic_fetch_add(Ap, 1, memory_order_acq_rel);
|
|
(void)__c11_atomic_fetch_add(Ap, 1, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_fetch_add(
|
|
(struct Incomplete * _Atomic *)0, // expected-error {{incomplete type 'struct Incomplete'}}
|
|
1, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_init(Ap, val);
|
|
(void)__c11_atomic_init(Ap, val);
|
|
(void)__c11_atomic_init(Ap, val);
|
|
(void)__c11_atomic_init(Ap, val);
|
|
(void)__c11_atomic_init(Ap, val);
|
|
(void)__c11_atomic_init(Ap, val);
|
|
|
|
(void)__c11_atomic_fetch_sub(Ap, val, memory_order_relaxed);
|
|
(void)__c11_atomic_fetch_sub(Ap, val, memory_order_acquire);
|
|
(void)__c11_atomic_fetch_sub(Ap, val, memory_order_consume);
|
|
(void)__c11_atomic_fetch_sub(Ap, val, memory_order_release);
|
|
(void)__c11_atomic_fetch_sub(Ap, val, memory_order_acq_rel);
|
|
(void)__c11_atomic_fetch_sub(Ap, val, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_fetch_and(Ap, val, memory_order_relaxed);
|
|
(void)__c11_atomic_fetch_and(Ap, val, memory_order_acquire);
|
|
(void)__c11_atomic_fetch_and(Ap, val, memory_order_consume);
|
|
(void)__c11_atomic_fetch_and(Ap, val, memory_order_release);
|
|
(void)__c11_atomic_fetch_and(Ap, val, memory_order_acq_rel);
|
|
(void)__c11_atomic_fetch_and(Ap, val, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_fetch_or(Ap, val, memory_order_relaxed);
|
|
(void)__c11_atomic_fetch_or(Ap, val, memory_order_acquire);
|
|
(void)__c11_atomic_fetch_or(Ap, val, memory_order_consume);
|
|
(void)__c11_atomic_fetch_or(Ap, val, memory_order_release);
|
|
(void)__c11_atomic_fetch_or(Ap, val, memory_order_acq_rel);
|
|
(void)__c11_atomic_fetch_or(Ap, val, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_fetch_xor(Ap, val, memory_order_relaxed);
|
|
(void)__c11_atomic_fetch_xor(Ap, val, memory_order_acquire);
|
|
(void)__c11_atomic_fetch_xor(Ap, val, memory_order_consume);
|
|
(void)__c11_atomic_fetch_xor(Ap, val, memory_order_release);
|
|
(void)__c11_atomic_fetch_xor(Ap, val, memory_order_acq_rel);
|
|
(void)__c11_atomic_fetch_xor(Ap, val, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_fetch_nand(Ap, val, memory_order_relaxed);
|
|
(void)__c11_atomic_fetch_nand(Ap, val, memory_order_acquire);
|
|
(void)__c11_atomic_fetch_nand(Ap, val, memory_order_consume);
|
|
(void)__c11_atomic_fetch_nand(Ap, val, memory_order_release);
|
|
(void)__c11_atomic_fetch_nand(Ap, val, memory_order_acq_rel);
|
|
(void)__c11_atomic_fetch_nand(Ap, val, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_fetch_min(Ap, val, memory_order_relaxed);
|
|
(void)__c11_atomic_fetch_min(Ap, val, memory_order_acquire);
|
|
(void)__c11_atomic_fetch_min(Ap, val, memory_order_consume);
|
|
(void)__c11_atomic_fetch_min(Ap, val, memory_order_release);
|
|
(void)__c11_atomic_fetch_min(Ap, val, memory_order_acq_rel);
|
|
(void)__c11_atomic_fetch_min(Ap, val, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_fetch_max(Ap, val, memory_order_relaxed);
|
|
(void)__c11_atomic_fetch_max(Ap, val, memory_order_acquire);
|
|
(void)__c11_atomic_fetch_max(Ap, val, memory_order_consume);
|
|
(void)__c11_atomic_fetch_max(Ap, val, memory_order_release);
|
|
(void)__c11_atomic_fetch_max(Ap, val, memory_order_acq_rel);
|
|
(void)__c11_atomic_fetch_max(Ap, val, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_exchange(Ap, val, memory_order_relaxed);
|
|
(void)__c11_atomic_exchange(Ap, val, memory_order_acquire);
|
|
(void)__c11_atomic_exchange(Ap, val, memory_order_consume);
|
|
(void)__c11_atomic_exchange(Ap, val, memory_order_release);
|
|
(void)__c11_atomic_exchange(Ap, val, memory_order_acq_rel);
|
|
(void)__c11_atomic_exchange(Ap, val, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, -1, memory_order_relaxed); // expected-warning {{success memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_relaxed, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_acquire, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_consume, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_release, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_acq_rel, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_seq_cst, memory_order_acquire);
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_seq_cst, memory_order_consume);
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_seq_cst, memory_order_release); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_seq_cst, memory_order_acq_rel); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_seq_cst, memory_order_seq_cst);
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_seq_cst, -1); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_relaxed, memory_order_acquire);
|
|
(void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_acquire, memory_order_seq_cst);
|
|
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, -1, memory_order_relaxed); // expected-warning {{success memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_relaxed, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_acquire, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_consume, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_release, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_acq_rel, memory_order_relaxed);
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_seq_cst, memory_order_acquire);
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_seq_cst, memory_order_consume);
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_seq_cst, memory_order_release); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_seq_cst, memory_order_acq_rel); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_seq_cst, memory_order_seq_cst);
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_seq_cst, -1); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_relaxed, memory_order_acquire);
|
|
(void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_acquire, memory_order_seq_cst);
|
|
|
|
(void)__atomic_load_n(p, memory_order_relaxed);
|
|
(void)__atomic_load_n(p, memory_order_acquire);
|
|
(void)__atomic_load_n(p, memory_order_consume);
|
|
(void)__atomic_load_n(p, memory_order_release); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_load_n(p, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_load_n(p, memory_order_seq_cst);
|
|
|
|
(void)__atomic_load(p, p, memory_order_relaxed);
|
|
(void)__atomic_load(p, p, memory_order_acquire);
|
|
(void)__atomic_load(p, p, memory_order_consume);
|
|
(void)__atomic_load(p, p, memory_order_release); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_load(p, p, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_load(p, p, memory_order_seq_cst);
|
|
|
|
(void)__atomic_store(p, p, memory_order_relaxed);
|
|
(void)__atomic_store(p, p, memory_order_acquire); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_store(p, p, memory_order_consume); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_store(p, p, memory_order_release);
|
|
(void)__atomic_store(p, p, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_store(p, p, memory_order_seq_cst);
|
|
|
|
(void)__atomic_store_n(p, val, memory_order_relaxed);
|
|
(void)__atomic_store_n(p, val, memory_order_acquire); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_store_n(p, val, memory_order_consume); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_store_n(p, val, memory_order_release);
|
|
(void)__atomic_store_n(p, val, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_store_n(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_fetch_add(p, val, memory_order_relaxed);
|
|
(void)__atomic_fetch_add(p, val, memory_order_acquire);
|
|
(void)__atomic_fetch_add(p, val, memory_order_consume);
|
|
(void)__atomic_fetch_add(p, val, memory_order_release);
|
|
(void)__atomic_fetch_add(p, val, memory_order_acq_rel);
|
|
(void)__atomic_fetch_add(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_fetch_sub(p, val, memory_order_relaxed);
|
|
(void)__atomic_fetch_sub(p, val, memory_order_acquire);
|
|
(void)__atomic_fetch_sub(p, val, memory_order_consume);
|
|
(void)__atomic_fetch_sub(p, val, memory_order_release);
|
|
(void)__atomic_fetch_sub(p, val, memory_order_acq_rel);
|
|
(void)__atomic_fetch_sub(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_add_fetch(p, val, memory_order_relaxed);
|
|
(void)__atomic_add_fetch(p, val, memory_order_acquire);
|
|
(void)__atomic_add_fetch(p, val, memory_order_consume);
|
|
(void)__atomic_add_fetch(p, val, memory_order_release);
|
|
(void)__atomic_add_fetch(p, val, memory_order_acq_rel);
|
|
(void)__atomic_add_fetch(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_sub_fetch(p, val, memory_order_relaxed);
|
|
(void)__atomic_sub_fetch(p, val, memory_order_acquire);
|
|
(void)__atomic_sub_fetch(p, val, memory_order_consume);
|
|
(void)__atomic_sub_fetch(p, val, memory_order_release);
|
|
(void)__atomic_sub_fetch(p, val, memory_order_acq_rel);
|
|
(void)__atomic_sub_fetch(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_fetch_and(p, val, memory_order_relaxed);
|
|
(void)__atomic_fetch_and(p, val, memory_order_acquire);
|
|
(void)__atomic_fetch_and(p, val, memory_order_consume);
|
|
(void)__atomic_fetch_and(p, val, memory_order_release);
|
|
(void)__atomic_fetch_and(p, val, memory_order_acq_rel);
|
|
(void)__atomic_fetch_and(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_fetch_or(p, val, memory_order_relaxed);
|
|
(void)__atomic_fetch_or(p, val, memory_order_acquire);
|
|
(void)__atomic_fetch_or(p, val, memory_order_consume);
|
|
(void)__atomic_fetch_or(p, val, memory_order_release);
|
|
(void)__atomic_fetch_or(p, val, memory_order_acq_rel);
|
|
(void)__atomic_fetch_or(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_fetch_xor(p, val, memory_order_relaxed);
|
|
(void)__atomic_fetch_xor(p, val, memory_order_acquire);
|
|
(void)__atomic_fetch_xor(p, val, memory_order_consume);
|
|
(void)__atomic_fetch_xor(p, val, memory_order_release);
|
|
(void)__atomic_fetch_xor(p, val, memory_order_acq_rel);
|
|
(void)__atomic_fetch_xor(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_fetch_nand(p, val, memory_order_relaxed);
|
|
(void)__atomic_fetch_nand(p, val, memory_order_acquire);
|
|
(void)__atomic_fetch_nand(p, val, memory_order_consume);
|
|
(void)__atomic_fetch_nand(p, val, memory_order_release);
|
|
(void)__atomic_fetch_nand(p, val, memory_order_acq_rel);
|
|
(void)__atomic_fetch_nand(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_fetch_min(p, val, memory_order_relaxed);
|
|
(void)__atomic_fetch_min(p, val, memory_order_acquire);
|
|
(void)__atomic_fetch_min(p, val, memory_order_consume);
|
|
(void)__atomic_fetch_min(p, val, memory_order_release);
|
|
(void)__atomic_fetch_min(p, val, memory_order_acq_rel);
|
|
(void)__atomic_fetch_min(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_fetch_max(p, val, memory_order_relaxed);
|
|
(void)__atomic_fetch_max(p, val, memory_order_acquire);
|
|
(void)__atomic_fetch_max(p, val, memory_order_consume);
|
|
(void)__atomic_fetch_max(p, val, memory_order_release);
|
|
(void)__atomic_fetch_max(p, val, memory_order_acq_rel);
|
|
(void)__atomic_fetch_max(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_and_fetch(p, val, memory_order_relaxed);
|
|
(void)__atomic_and_fetch(p, val, memory_order_acquire);
|
|
(void)__atomic_and_fetch(p, val, memory_order_consume);
|
|
(void)__atomic_and_fetch(p, val, memory_order_release);
|
|
(void)__atomic_and_fetch(p, val, memory_order_acq_rel);
|
|
(void)__atomic_and_fetch(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_or_fetch(p, val, memory_order_relaxed);
|
|
(void)__atomic_or_fetch(p, val, memory_order_acquire);
|
|
(void)__atomic_or_fetch(p, val, memory_order_consume);
|
|
(void)__atomic_or_fetch(p, val, memory_order_release);
|
|
(void)__atomic_or_fetch(p, val, memory_order_acq_rel);
|
|
(void)__atomic_or_fetch(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_xor_fetch(p, val, memory_order_relaxed);
|
|
(void)__atomic_xor_fetch(p, val, memory_order_acquire);
|
|
(void)__atomic_xor_fetch(p, val, memory_order_consume);
|
|
(void)__atomic_xor_fetch(p, val, memory_order_release);
|
|
(void)__atomic_xor_fetch(p, val, memory_order_acq_rel);
|
|
(void)__atomic_xor_fetch(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_nand_fetch(p, val, memory_order_relaxed);
|
|
(void)__atomic_nand_fetch(p, val, memory_order_acquire);
|
|
(void)__atomic_nand_fetch(p, val, memory_order_consume);
|
|
(void)__atomic_nand_fetch(p, val, memory_order_release);
|
|
(void)__atomic_nand_fetch(p, val, memory_order_acq_rel);
|
|
(void)__atomic_nand_fetch(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_max_fetch(p, val, memory_order_relaxed);
|
|
(void)__atomic_max_fetch(p, val, memory_order_acquire);
|
|
(void)__atomic_max_fetch(p, val, memory_order_consume);
|
|
(void)__atomic_max_fetch(p, val, memory_order_release);
|
|
(void)__atomic_max_fetch(p, val, memory_order_acq_rel);
|
|
(void)__atomic_max_fetch(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_min_fetch(p, val, memory_order_relaxed);
|
|
(void)__atomic_min_fetch(p, val, memory_order_acquire);
|
|
(void)__atomic_min_fetch(p, val, memory_order_consume);
|
|
(void)__atomic_min_fetch(p, val, memory_order_release);
|
|
(void)__atomic_min_fetch(p, val, memory_order_acq_rel);
|
|
(void)__atomic_min_fetch(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_exchange_n(p, val, memory_order_relaxed);
|
|
(void)__atomic_exchange_n(p, val, memory_order_acquire);
|
|
(void)__atomic_exchange_n(p, val, memory_order_consume);
|
|
(void)__atomic_exchange_n(p, val, memory_order_release);
|
|
(void)__atomic_exchange_n(p, val, memory_order_acq_rel);
|
|
(void)__atomic_exchange_n(p, val, memory_order_seq_cst);
|
|
|
|
(void)__atomic_exchange(p, p, p, memory_order_relaxed);
|
|
(void)__atomic_exchange(p, p, p, memory_order_acquire);
|
|
(void)__atomic_exchange(p, p, p, memory_order_consume);
|
|
(void)__atomic_exchange(p, p, p, memory_order_release);
|
|
(void)__atomic_exchange(p, p, p, memory_order_acq_rel);
|
|
(void)__atomic_exchange(p, p, p, memory_order_seq_cst);
|
|
|
|
(void)__atomic_compare_exchange(p, p, p, 0, -1, memory_order_relaxed); // expected-warning {{success memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_relaxed, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_acquire, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_consume, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_release, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_acq_rel, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_seq_cst, memory_order_acquire);
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_seq_cst, memory_order_consume);
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_seq_cst, memory_order_release); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_seq_cst, memory_order_acq_rel); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_seq_cst, memory_order_seq_cst);
|
|
(void)__atomic_compare_exchange(p, p, p, 0, memory_order_seq_cst, -1); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, -1, memory_order_relaxed); // expected-warning {{success memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_relaxed, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_acquire, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_consume, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_release, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_acq_rel, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_seq_cst, memory_order_relaxed);
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_seq_cst, memory_order_acquire);
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_seq_cst, memory_order_consume);
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_seq_cst, memory_order_release); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_seq_cst, memory_order_acq_rel); // expected-warning {{failure memory order argument to atomic operation is invalid}}
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_seq_cst, memory_order_seq_cst);
|
|
(void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_seq_cst, -1); // expected-warning {{memory order argument to atomic operation is invalid}}
|
|
}
|
|
|
|
struct Z {
|
|
char z[];
|
|
};
|
|
|
|
void zeroSizeArgError(struct Z *a, struct Z *b, struct Z *c) {
|
|
__atomic_exchange(b, b, c, memory_order_relaxed); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_exchange(b, b, c, memory_order_acq_rel); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_exchange(b, b, c, memory_order_acquire); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_exchange(b, b, c, memory_order_consume); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_exchange(b, b, c, memory_order_release); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_exchange(b, b, c, memory_order_seq_cst); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_load(a, b, memory_order_relaxed); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_load(a, b, memory_order_acq_rel); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_load(a, b, memory_order_acquire); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_load(a, b, memory_order_consume); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_load(a, b, memory_order_release); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_load(a, b, memory_order_seq_cst); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_store(a, b, memory_order_relaxed); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_store(a, b, memory_order_acq_rel); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_store(a, b, memory_order_acquire); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_store(a, b, memory_order_consume); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_store(a, b, memory_order_release); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_store(a, b, memory_order_seq_cst); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_compare_exchange(a, b, c, 0, memory_order_relaxed, memory_order_relaxed); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_compare_exchange(a, b, c, 0, memory_order_acq_rel, memory_order_acq_rel); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_compare_exchange(a, b, c, 0, memory_order_acquire, memory_order_acquire); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_compare_exchange(a, b, c, 0, memory_order_consume, memory_order_consume); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_compare_exchange(a, b, c, 0, memory_order_release, memory_order_release); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
__atomic_compare_exchange(a, b, c, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-error {{address argument to atomic builtin must be a pointer to a non-zero-sized object}}
|
|
|
|
}
|
|
|
|
struct IncompleteTy IncA, IncB, IncC; // expected-error 3{{tentative definition has type 'struct IncompleteTy' that is never completed}} \
|
|
// expected-note 27{{forward declaration of 'struct IncompleteTy'}}
|
|
void incompleteTypeArgError() {
|
|
__atomic_exchange(&IncB, &IncB, &IncC, memory_order_relaxed); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_exchange(&IncB, &IncB, &IncC, memory_order_acq_rel); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_exchange(&IncB, &IncB, &IncC, memory_order_acquire); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_exchange(&IncB, &IncB, &IncC, memory_order_consume); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_exchange(&IncB, &IncB, &IncC, memory_order_release); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_exchange(&IncB, &IncB, &IncC, memory_order_seq_cst); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_load(&IncA, &IncB, memory_order_relaxed); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_load(&IncA, &IncB, memory_order_acq_rel); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_load(&IncA, &IncB, memory_order_acquire); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_load(&IncA, &IncB, memory_order_consume); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_load(&IncA, &IncB, memory_order_release); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_load(&IncA, &IncB, memory_order_seq_cst); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_store(&IncA, &IncB, memory_order_relaxed); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_store(&IncA, &IncB, memory_order_acq_rel); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_store(&IncA, &IncB, memory_order_acquire); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_store(&IncA, &IncB, memory_order_consume); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_store(&IncA, &IncB, memory_order_release); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_store(&IncA, &IncB, memory_order_seq_cst); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_compare_exchange(&IncA, &IncB, &IncC, 0, memory_order_relaxed, memory_order_relaxed); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_compare_exchange(&IncA, &IncB, &IncC, 0, memory_order_acq_rel, memory_order_acq_rel); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_compare_exchange(&IncA, &IncB, &IncC, 0, memory_order_acquire, memory_order_acquire); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_compare_exchange(&IncA, &IncB, &IncC, 0, memory_order_consume, memory_order_consume); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_compare_exchange(&IncA, &IncB, &IncC, 0, memory_order_release, memory_order_release); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
__atomic_compare_exchange(&IncA, &IncB, &IncC, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-error {{incomplete type 'struct IncompleteTy' where a complete type is required}}
|
|
|
|
}
|
|
|
|
void nullPointerWarning(void) {
|
|
volatile _Atomic(int) vai;
|
|
_Atomic(int) ai;
|
|
volatile int vi = 42;
|
|
int i = 42;
|
|
volatile _Atomic(int*) vap;
|
|
_Atomic(int*) ap;
|
|
volatile int* vp = NULL;
|
|
int* p = NULL;
|
|
|
|
__c11_atomic_init((volatile _Atomic(int)*)0, 42); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
__c11_atomic_init((_Atomic(int)*)0, 42); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
__c11_atomic_store((volatile _Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
__c11_atomic_store((_Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_load((volatile _Atomic(int)*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_load((_Atomic(int)*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_exchange((volatile _Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_exchange((_Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_compare_exchange_weak((volatile _Atomic(int)*)0, &i, 42, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_compare_exchange_weak((_Atomic(int)*)0, &i, 42, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_compare_exchange_weak(&vai, (int*)0, 42, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_compare_exchange_weak(&ai, (int*)0, 42, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_compare_exchange_strong((volatile _Atomic(int)*)0, &i, 42, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_compare_exchange_strong((_Atomic(int)*)0, &i, 42, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_compare_exchange_strong(&vai, (int*)0, 42, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
|
(void)__c11_atomic_compare_exchange_strong(&ai, (int*)0, 42, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
|
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(void)__c11_atomic_fetch_add((volatile _Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_add((_Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_sub((volatile _Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_sub((_Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_and((volatile _Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_and((_Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_or((volatile _Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_or((_Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_xor((volatile _Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_xor((_Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_nand((volatile _Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__c11_atomic_fetch_nand((_Atomic(int)*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_store_n((volatile int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_store_n((int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_store((volatile int*)0, &i, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_store((int*)0, &i, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_store(&vi, (int*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_store(&i, (int*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_load_n((volatile int*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_load_n((int*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_load((volatile int*)0, &i, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_load((int*)0, &i, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_load(&vi, (int*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_load(&i, (int*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_exchange_n((volatile int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_exchange_n((int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_exchange((volatile int*)0, &i, &i, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_exchange((int*)0, &i, &i, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_exchange(&vi, (int*)0, &i, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_exchange(&i, (int*)0, &i, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_exchange(&vi, &i, (int*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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__atomic_exchange(&i, &i, (int*)0, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange_n((volatile int*)0, &i, 42, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange_n((int*)0, &i, 42, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange_n(&vi, (int*)0, 42, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange_n(&i, (int*)0, 42, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange((volatile int*)0, &i, &i, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange((int*)0, &i, &i, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange(&vi, (int*)0, &i, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange(&i, (int*)0, &i, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange(&vi, &i, (int*)0, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_compare_exchange(&i, &i, (int*)0, /*weak=*/0, memory_order_relaxed, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_add((volatile int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_add((int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_sub((volatile int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_sub((int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_and((volatile int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_and((int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_or((volatile int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_or((int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_xor((volatile int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_xor((int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_min((volatile int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_min((int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_max((volatile int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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(void)__atomic_fetch_max((int*)0, 42, memory_order_relaxed); // expected-warning {{null passed to a callee that requires a non-null argument}}
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// These don't warn: the "desired" parameter is passed by value. Even for
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// atomic pointers the "desired" result can be NULL.
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__c11_atomic_init(&vai, 0);
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__c11_atomic_init(&ai, 0);
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__c11_atomic_init(&vap, NULL);
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__c11_atomic_init(&ap, NULL);
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__c11_atomic_store(&vai, 0, memory_order_relaxed);
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__c11_atomic_store(&ai, 0, memory_order_relaxed);
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__c11_atomic_store(&vap, NULL, memory_order_relaxed);
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__c11_atomic_store(&ap, NULL, memory_order_relaxed);
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(void)__c11_atomic_exchange(&vai, 0, memory_order_relaxed);
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(void)__c11_atomic_exchange(&ai, 0, memory_order_relaxed);
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(void)__c11_atomic_exchange(&vap, NULL, memory_order_relaxed);
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(void)__c11_atomic_exchange(&ap, NULL, memory_order_relaxed);
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(void)__c11_atomic_compare_exchange_weak(&vai, &i, 0, memory_order_relaxed, memory_order_relaxed);
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(void)__c11_atomic_compare_exchange_weak(&ai, &i, 0, memory_order_relaxed, memory_order_relaxed);
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(void)__c11_atomic_compare_exchange_weak(&vap, &p, NULL, memory_order_relaxed, memory_order_relaxed);
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(void)__c11_atomic_compare_exchange_weak(&ap, &p, NULL, memory_order_relaxed, memory_order_relaxed);
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(void)__c11_atomic_compare_exchange_strong(&vai, &i, 0, memory_order_relaxed, memory_order_relaxed);
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(void)__c11_atomic_compare_exchange_strong(&ai, &i, 0, memory_order_relaxed, memory_order_relaxed);
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(void)__c11_atomic_compare_exchange_strong(&vap, &p, NULL, memory_order_relaxed, memory_order_relaxed);
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(void)__c11_atomic_compare_exchange_strong(&ap, &p, NULL, memory_order_relaxed, memory_order_relaxed);
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(void)__c11_atomic_fetch_add(&vai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_add(&ai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_sub(&vai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_sub(&ai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_and(&vai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_and(&ai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_or(&vai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_or(&ai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_xor(&vai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_xor(&ai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_nand(&vai, 0, memory_order_relaxed);
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(void)__c11_atomic_fetch_nand(&ai, 0, memory_order_relaxed);
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// Ditto.
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__atomic_store_n(&vi, 0, memory_order_relaxed);
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__atomic_store_n(&i, 0, memory_order_relaxed);
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__atomic_store_n(&vp, NULL, memory_order_relaxed);
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__atomic_store_n(&p, NULL, memory_order_relaxed);
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(void)__atomic_exchange_n(&vi, 0, memory_order_relaxed);
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(void)__atomic_exchange_n(&i, 0, memory_order_relaxed);
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(void)__atomic_exchange_n(&vp, NULL, memory_order_relaxed);
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(void)__atomic_exchange_n(&p, NULL, memory_order_relaxed);
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(void)__atomic_compare_exchange_n(&vi, &i, 0, /*weak=*/0, memory_order_relaxed, memory_order_relaxed);
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(void)__atomic_compare_exchange_n(&i, &i, 0, /*weak=*/0, memory_order_relaxed, memory_order_relaxed);
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(void)__atomic_compare_exchange_n(&vp, &vp, NULL, /*weak=*/0, memory_order_relaxed, memory_order_relaxed);
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(void)__atomic_compare_exchange_n(&p, &p, NULL, /*weak=*/0, memory_order_relaxed, memory_order_relaxed);
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(void)__atomic_fetch_add(&vi, 0, memory_order_relaxed);
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(void)__atomic_fetch_add(&i, 0, memory_order_relaxed);
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(void)__atomic_fetch_sub(&vi, 0, memory_order_relaxed);
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(void)__atomic_fetch_sub(&i, 0, memory_order_relaxed);
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(void)__atomic_fetch_and(&vi, 0, memory_order_relaxed);
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(void)__atomic_fetch_and(&i, 0, memory_order_relaxed);
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(void)__atomic_fetch_or(&vi, 0, memory_order_relaxed);
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(void)__atomic_fetch_or(&i, 0, memory_order_relaxed);
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(void)__atomic_fetch_xor(&vi, 0, memory_order_relaxed);
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(void)__atomic_fetch_xor(&i, 0, memory_order_relaxed);
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(void)__atomic_fetch_min(&vi, 0, memory_order_relaxed);
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(void)__atomic_fetch_min(&i, 0, memory_order_relaxed);
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(void)__atomic_fetch_max(&vi, 0, memory_order_relaxed);
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(void)__atomic_fetch_max(&i, 0, memory_order_relaxed);
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}
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