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