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Diffstat (limited to 'gcc/testsuite/gcc.dg/20050503-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/20050503-1.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/20050503-1.c b/gcc/testsuite/gcc.dg/20050503-1.c new file mode 100644 index 000000000..d118b9555 --- /dev/null +++ b/gcc/testsuite/gcc.dg/20050503-1.c @@ -0,0 +1,50 @@ +/* PR middle-end/21265 + Test whether tail call information is propagated through builtin + expanders. */ +/* { dg-do compile } */ +/* { dg-skip-if "" { { i?86-*-* x86_64-*-* } && { ilp32 && { ! nonpic } } } { "*" } { "" } } */ +/* { dg-options "-O2" } */ + +typedef __SIZE_TYPE__ size_t; + +#define F(n, rettype, name, args, callargs) \ +extern rettype name args; \ +rettype test##n args \ +{ \ + return name callargs; \ +} +#define F1(n, rettype, name, t1, callargs) \ + F (n, rettype, name, (t1 a1), callargs) +#define F2(n, rettype, name, t1, t2, callargs) \ + F (n, rettype, name, (t1 a1, t2 a2), callargs) +#define F3(n, rettype, name, t1, t2, t3, callargs) \ + F (n, rettype, name, (t1 a1, t2 a2, t3 a3), callargs) + +F3 (1a, void *, memcpy, void *, const void *, size_t, (a1, a2, a3)) +F3 (1b, void *, memcpy, void *, const void *, size_t, (a1, a2, 10)) +F3 (2a, void *, mempcpy, void *, const void *, size_t, (a1, a2, a3)) +F3 (2b, void *, mempcpy, void *, const void *, size_t, (a1, a2, 10)) +F3 (3a, void *, memmove, void *, const void *, size_t, (a1, a2, a3)) +F3 (3b, void *, memmove, void *, const void *, size_t, (a1, "abcdefghijklmno", a3)) +F3 (4a, void *, memset, void *, int, size_t, (a1, a2, a3)) +F3 (4b, void *, memset, void *, int, size_t, (a1, a2, 156)) +F3 (4c, void *, memset, void *, int, size_t, (a1, 0, a3)) +F3 (4d, void *, memset, void *, int, size_t, (a1, 0, 10000)) +F3 (5a, int, memcmp, const void *, const void *, size_t, (a1, a2, a3)) +F3 (5b, int, memcmp, const void *, const void *, size_t, (a1, "abcdefghijkl", a3)) +F2 (6, char *, strcpy, char *, const char *, (a1, a2)) +F2 (7, char *, stpcpy, char *, const char *, (a1, a2)) +F3 (8, char *, strncpy, char *, const char *, size_t, (a1, a2, a3)) +F3 (9, char *, stpncpy, char *, const char *, size_t, (a1, a2, a3)) +F2 (10, char *, strcat, char *, const char *, (a1, a2)) +F3 (11, char *, strncat, char *, const char *, size_t, (a1, a2, a3)) +F1 (12a, size_t, strlen, const char *, (a1)) +F1 (12b, size_t, strlen, const char *, ("foobar")) +F2 (13a, int, strcmp, const char *, const char *, (a1, a2)) +F2 (13b, int, strcmp, const char *, const char *, (a1, "abcdefghijklm")) +F3 (14a, int, strncmp, const char *, const char *, size_t, (a1, a2, a3)) +F3 (14b, int, strncmp, const char *, const char *, size_t, (a1, "abcdefghijklm", 10)) +F2 (15, char *, strchr, const char *, int, (a1, a2)) + +/* All the calls above should be tail call optimized on i?86/x86-64. */ +/* { dg-final { scan-assembler-not "call" { target i?86-*-linux* x86_64-*-linux* } } } */ |