623efd8a75
GCC has the alloc_align attribute, which is similar to assume_aligned, except the attribute's parameter is the index of the integer parameter that needs aligning to. Differential Revision: https://reviews.llvm.org/D29599 llvm-svn: 299117
20 lines
1.4 KiB
C
20 lines
1.4 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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// return values
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void test_void_alloc_align(void) __attribute__((alloc_align(1))); // expected-warning {{'alloc_align' attribute only applies to return values that are pointers}}
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void *test_ptr_alloc_align(int a) __attribute__((alloc_align(1))); // no-warning
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int j __attribute__((alloc_align(1))); // expected-warning {{'alloc_align' attribute only applies to non-K&R-style functions}}
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void *test_no_params_zero(void) __attribute__((alloc_align(0))); // expected-error {{'alloc_align' attribute parameter 1 is out of bounds}}
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void *test_no_params(void) __attribute__((alloc_align(1))); // expected-error {{'alloc_align' attribute parameter 1 is out of bounds}}
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void *test_incorrect_param_type(float a) __attribute__((alloc_align(1))); // expected-error {{'alloc_align' attribute argument may only refer to a function parameter of integer type}}
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// argument type
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void *test_bad_param_type(void) __attribute((alloc_align(1.1))); // expected-error {{'alloc_align' attribute requires parameter 1 to be an integer constant}}
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// argument count
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void *test_no_fn_proto() __attribute__((alloc_align)); // expected-error {{'alloc_align' attribute takes one argument}}
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void *test_no_fn_proto() __attribute__((alloc_align())); // expected-error {{'alloc_align' attribute takes one argument}}
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void *test_no_fn_proto() __attribute__((alloc_align(32, 45, 37))); // expected-error {{'alloc_align' attribute takes one argument}}
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