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comparison gcc/testsuite/g++.dg/ext/constexpr-builtin1.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 // PR c++/80265
2 // { dg-do compile { target c++14 } }
3
4 constexpr bool compare() {
5 char s1[] = "foo";
6 char s2[] = "fxo";
7 if (!__builtin_memcmp(s1, s2, 3))
8 return false;
9 s2[1] = 'o';
10 if (__builtin_memcmp(s1, s2, 3))
11 return false;
12 if (__builtin_strcmp(s1, s2))
13 return false;
14 return true;
15 }
16
17 constexpr bool length() {
18 char s[] = "foo";
19 if (__builtin_strlen(s) != 3)
20 return false;
21 return true;
22 }
23
24 constexpr bool find() {
25 char s[] = "foo";
26 if (__builtin_memchr(s, 'f', 3) != s)
27 return false;
28 if (__builtin_strchr(s, 'o') != s+1)
29 return false;
30 if (__builtin_strstr(s, "oo") != s+1)
31 return false;
32 return true;
33 }
34
35 static_assert( compare(), "" );
36 static_assert( length(), "" );
37 static_assert( find(), "" );