derek.holloway
7502bf64a4
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74 lines
4.2 KiB
C
74 lines
4.2 KiB
C
// RUN: %clang_cc1 -fgnuc-version=4.2.1 -triple=i686-linux-gnu -ffreestanding -fexperimental-new-constant-interpreter -verify=both,expected %s
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// RUN: %clang_cc1 -fgnuc-version=4.2.1 -triple=i686-linux-gnu -ffreestanding -verify=both,ref %s
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/// FIXME: Copied from test/Sema/atomic-expr.c.
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/// this expression seems to be rejected for weird reasons,
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/// but we imitate the current interpreter's behavior.
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_Atomic int ai = 0;
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// FIXME: &ai is an address constant, so this should be accepted as an
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// initializer, but the bit-cast inserted due to the pointer conversion is
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// tripping up the test for whether the initializer is a constant expression.
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// The first error is correct; the second is not.
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_Atomic(int *) aip3 = &ai; // both-error {{incompatible pointer types initializing '_Atomic(int *)' with an expression of type '_Atomic(int) *'}} \
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// both-error {{initializer element is not a compile-time constant}}
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#include <stdatomic.h>
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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), ""); // both-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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_Static_assert(__c11_atomic_is_lock_free(16), ""); // both-error {{not an integral constant expression}}
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_Static_assert(__c11_atomic_is_lock_free(17), ""); // both-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), ""); // both-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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_Static_assert(__atomic_is_lock_free(16, 0), ""); // both-error {{not an integral constant expression}}
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_Static_assert(__atomic_is_lock_free(17, 0), ""); // both-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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_Static_assert(atomic_is_lock_free(0 + (atomic_char*)0), "");
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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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_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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