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Commit | Line | Data |
---|---|---|
81f5094d JJ |
1 | /* PR middle-end/29215 */ |
2 | /* { dg-do compile } */ | |
d197a9fd | 3 | /* { dg-options "-O2 -fdump-tree-ccp1" } */ |
81f5094d JJ |
4 | |
5 | char buf[5 * sizeof (int) + 1] __attribute__((aligned (__alignof__ (int)))); | |
6 | ||
7 | static void | |
8 | foo (int arg1, int arg2, int arg3, int arg4, int arg5) | |
9 | { | |
10 | __builtin_memcpy (buf, &arg1, sizeof (int)); | |
11 | __builtin_memcpy (buf + sizeof (int), &arg2, sizeof (int)); | |
12 | __builtin_memcpy (buf + 2 * sizeof (int), &arg3, sizeof (int)); | |
13 | __builtin_memcpy (buf + 3 * sizeof (int), &arg4, sizeof (int)); | |
14 | __builtin_memcpy (buf + 4 * sizeof (int), &arg5, sizeof (int)); | |
15 | } | |
16 | ||
17 | int | |
18 | main (void) | |
19 | { | |
20 | union { char buf[4]; int i; } u; | |
21 | u.i = 0; | |
22 | u.buf[0] = 'a'; | |
23 | u.buf[1] = 'b'; | |
24 | u.buf[2] = 'c'; | |
25 | u.buf[3] = 'd'; | |
26 | foo (u.i, u.i, u.i, u.i, u.i); | |
27 | buf[5 * sizeof (int)] = '\0'; | |
28 | __builtin_puts (buf); | |
29 | return 0; | |
30 | } | |
31 | ||
d197a9fd | 32 | /* { dg-final { scan-tree-dump-not "memcpy" "ccp1" } } */ |