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annotate clang/test/Sema/attr-alias-elf.c @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children c4bab56944e8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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150
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1 // RUN: %clang_cc1 -triple x86_64-pc-linux -fsyntax-only -verify -emit-llvm-only %s
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2
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3 void f1(void) __attribute__((alias("g1")));
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4 void g1(void) {
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5 }
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6
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7 void f2(void) __attribute__((alias("g2"))); // expected-error {{alias must point to a defined variable or function}}
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8
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9
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10 void f3(void) __attribute__((alias("g3"))); // expected-error {{alias must point to a defined variable or function}}
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11 void g3(void);
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12
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13
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14 void f4() __attribute__((alias("g4")));
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15 void g4() {}
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16 void h4() __attribute__((alias("f4")));
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17
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18 void f5() __attribute__((alias("g5")));
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19 void h5() __attribute__((alias("f5")));
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20 void g5() {}
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21
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22 void g6() {}
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23 void f6() __attribute__((alias("g6")));
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24 void h6() __attribute__((alias("f6")));
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25
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26 void g7() {}
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27 void h7() __attribute__((alias("f7")));
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28 void f7() __attribute__((alias("g7")));
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29
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30 void h8() __attribute__((alias("f8")));
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31 void g8() {}
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32 void f8() __attribute__((alias("g8")));
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33
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34 void h9() __attribute__((alias("f9")));
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35 void f9() __attribute__((alias("g9")));
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36 void g9() {}
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37
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38 void f10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}}
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39 void g10() __attribute__((alias("f10"))); // expected-error {{alias definition is part of a cycle}}
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40
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41 // FIXME: This could be a bit better, h10 is not part of the cycle, it points
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42 // to it.
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43 void h10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}}
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44
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45 extern int a1 __attribute__((alias("b1")));
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46 int b1 = 42;
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47
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48 extern int a2 __attribute__((alias("b2"))); // expected-error {{alias must point to a defined variable or function}}
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49
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50 extern int a3 __attribute__((alias("b3"))); // expected-error {{alias must point to a defined variable or function}}
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51 extern int b3;
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52
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53 extern int a4 __attribute__((alias("b4"))); // expected-error {{alias must point to a defined variable or function}}
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54 typedef int b4;
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55
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56 void test2_bar() {}
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57 void test2_foo() __attribute__((weak, alias("test2_bar")));
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58 void test2_zed() __attribute__((alias("test2_foo"))); // expected-warning {{alias will always resolve to test2_bar even if weak definition of test2_foo is overridden}}
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59
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60 void test3_bar() { }
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61 void test3_foo() __attribute__((section("test"))); // expected-warning {{alias will not be in section 'test' but in the same section as the aliasee}}
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62 void test3_foo() __attribute__((alias("test3_bar")));
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63
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64 __attribute__((section("test"))) void test4_bar() { }
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65 void test4_foo() __attribute__((section("test")));
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66 void test4_foo() __attribute__((alias("test4_bar")));
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67
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68 int test5_bar = 0;
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69 extern struct incomplete_type test5_foo __attribute__((alias("test5_bar")));