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annotate clang/test/Sema/alloc-align-attr.c @ 173:0572611fdcc8 llvm10 llvm12

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reorgnization done
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 11:55:54 +0900
parents 1d019706d866
children c4bab56944e8
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1 // RUN: %clang_cc1 -fsyntax-only -verify %s
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2
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3 // return values
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4 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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5 void *test_ptr_alloc_align(int a) __attribute__((alloc_align(1))); // no-warning
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6
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7 int j __attribute__((alloc_align(1))); // expected-warning {{'alloc_align' attribute only applies to non-K&R-style functions}}
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8 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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9 void *test_no_params(void) __attribute__((alloc_align(1))); // expected-error {{'alloc_align' attribute parameter 1 is out of bounds}}
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10 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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11
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12 // argument type
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13 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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14
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15 // argument count
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16 void *test_no_fn_proto(int x, int y) __attribute__((alloc_align)); // expected-error {{'alloc_align' attribute takes one argument}}
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17 void *test_no_fn_proto(int x, int y) __attribute__((alloc_align())); // expected-error {{'alloc_align' attribute takes one argument}}
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18 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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19
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20 void *passthrought(int a) {
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21 return test_ptr_alloc_align(a);
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22 }
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23 void *align16() {
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24 return test_ptr_alloc_align(16);
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25 }
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26 void *align15() {
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0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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27 return test_ptr_alloc_align(15); // expected-warning {{requested alignment is not a power of 2}}
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28 }
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29 void *align536870912() {
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30 return test_ptr_alloc_align(1073741824); // expected-warning {{requested alignment must be 536870912 bytes or smaller; maximum alignment assumed}}
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31 }