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24952fbc6f
Prior to this commit the external_source_symbol attribute wasn't supported by #pragma clang attribute for the following two reasons: - The Named attribute subject hasn't been supported by TableGen. - There was no way to specify a subject match rule for #pragma clang attribute that could operate on a set of attribute subjects (e.g. the ones that derive from NamedDecl). This commit fixes the two issues and thus adds external_source_symbol support to #pragma clang attribute. rdar://31169028 Differential Revision: https://reviews.llvm.org/D32176 llvm-svn: 300712
20 lines
1.5 KiB
C
20 lines
1.5 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(int x, int y) __attribute__((alloc_align)); // expected-error {{'alloc_align' attribute takes one argument}}
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void *test_no_fn_proto(int x, int y) __attribute__((alloc_align())); // expected-error {{'alloc_align' attribute takes one argument}}
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void *test_no_fn_proto(int x, int y) __attribute__((alloc_align(32, 45, 37))); // expected-error {{'alloc_align' attribute takes one argument}}
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