1/* PR middle-end/21265
2   Test whether tail call information is propagated through builtin
3   expanders.  */
4/* { dg-do compile } */
5/* { dg-skip-if "" { { i?86-*-* x86_64-*-* } && ilp32 } { "-fpic" "-fPIC" } { "" } } */
6/* { dg-options "-O2" } */
7
8typedef __SIZE_TYPE__ size_t;
9
10#define F(n, rettype, name, args, callargs) \
11extern rettype name args;				\
12rettype test##n args					\
13{							\
14  return name callargs;					\
15}
16#define F1(n, rettype, name, t1, callargs) \
17  F (n, rettype, name, (t1 a1), callargs)
18#define F2(n, rettype, name, t1, t2, callargs) \
19  F (n, rettype, name, (t1 a1, t2 a2), callargs)
20#define F3(n, rettype, name, t1, t2, t3, callargs) \
21  F (n, rettype, name, (t1 a1, t2 a2, t3 a3), callargs)
22
23F3 (1a, void *, memcpy, void *, const void *, size_t, (a1, a2, a3))
24F3 (1b, void *, memcpy, void *, const void *, size_t, (a1, a2, 10))
25F3 (2a, void *, mempcpy, void *, const void *, size_t, (a1, a2, a3))
26F3 (2b, void *, mempcpy, void *, const void *, size_t, (a1, a2, 10))
27F3 (3a, void *, memmove, void *, const void *, size_t, (a1, a2, a3))
28F3 (3b, void *, memmove, void *, const void *, size_t, (a1, "abcdefghijklmno", a3))
29F3 (4a, void *, memset, void *, int, size_t, (a1, a2, a3))
30F3 (4b, void *, memset, void *, int, size_t, (a1, a2, 156))
31F3 (4c, void *, memset, void *, int, size_t, (a1, 0, a3))
32F3 (4d, void *, memset, void *, int, size_t, (a1, 0, 10000))
33F3 (5a, int, memcmp, const void *, const void *, size_t, (a1, a2, a3))
34F3 (5b, int, memcmp, const void *, const void *, size_t, (a1, "abcdefghijkl", a3))
35F2 (6, char *, strcpy, char *, const char *, (a1, a2))
36F2 (7, char *, stpcpy, char *, const char *, (a1, a2))
37F3 (8, char *, strncpy, char *, const char *, size_t, (a1, a2, a3))
38F3 (9, char *, stpncpy, char *, const char *, size_t, (a1, a2, a3))
39F2 (10, char *, strcat, char *, const char *, (a1, a2))
40F3 (11, char *, strncat, char *, const char *, size_t, (a1, a2, a3))
41F1 (12a, size_t, strlen, const char *, (a1))
42F1 (12b, size_t, strlen, const char *, ("foobar"))
43F2 (13a, int, strcmp, const char *, const char *, (a1, a2))
44F2 (13b, int, strcmp, const char *, const char *, (a1, "abcdefghijklm"))
45F3 (14a, int, strncmp, const char *, const char *, size_t, (a1, a2, a3))
46F3 (14b, int, strncmp, const char *, const char *, size_t, (a1, "abcdefghijklm", 10))
47F2 (15, char *, strchr, const char *, int, (a1, a2))
48
49/* All the calls above should be tail call optimized on i?86/x86-64.  */
50/* { dg-final { scan-assembler-not "call" { target i?86-*-linux* x86_64-*-linux* } } } */
51