diff options
Diffstat (limited to 'gcc-4.8.1/gcc/testsuite/gcc.dg/strlenopt-14g.c')
-rw-r--r-- | gcc-4.8.1/gcc/testsuite/gcc.dg/strlenopt-14g.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/gcc-4.8.1/gcc/testsuite/gcc.dg/strlenopt-14g.c b/gcc-4.8.1/gcc/testsuite/gcc.dg/strlenopt-14g.c deleted file mode 100644 index 62a120de0..000000000 --- a/gcc-4.8.1/gcc/testsuite/gcc.dg/strlenopt-14g.c +++ /dev/null @@ -1,115 +0,0 @@ -/* This test needs runtime that provides stpcpy and mempcpy functions. */ -/* { dg-do run { target *-*-linux* } } */ -/* { dg-options "-O2 -fdump-tree-strlen" } */ - -#define USE_GNU -#include "strlenopt.h" - -__attribute__((noinline, noclone)) char * -fn1 (char *p, size_t *l1, size_t *l2) -{ - char *a = mempcpy (p, "abcde", 6); - /* This strlen needs to stay. */ - size_t la = strlen (a); - /* This strlen can be optimized into 5. */ - size_t lp = strlen (p); - *l1 = la; - *l2 = lp; - return a; -} - -__attribute__((noinline, noclone)) char * -fn2 (char *p, const char *q, size_t *l1, size_t *l2, size_t *l3) -{ - /* This strlen needs to stay. */ - size_t lq = strlen (q); - char *a = mempcpy (p, q, lq + 1); - /* This strlen needs to stay. */ - size_t la = strlen (a); - /* This strlen can be optimized into lq. */ - size_t lp = strlen (p); - *l1 = lq; - *l2 = la; - *l3 = lp; - return a; -} - -__attribute__((noinline, noclone)) char * -fn3 (char *p, size_t *l1, size_t *l2) -{ - char *a = stpcpy (p, "abcde"); - /* This strlen can be optimized into 0. */ - size_t la = strlen (a); - /* This strlen can be optimized into 5. */ - size_t lp = strlen (p); - *l1 = la; - *l2 = lp; - return a; -} - -__attribute__((noinline, noclone)) char * -fn4 (char *p, const char *q, size_t *l1, size_t *l2, size_t *l3) -{ - /* This strlen needs to stay. */ - size_t lq = strlen (q); - char *a = stpcpy (p, q); - /* This strlen can be optimized into 0. */ - size_t la = strlen (a); - /* This strlen can be optimized into lq. */ - size_t lp = strlen (p); - *l1 = lq; - *l2 = la; - *l3 = lp; - return a; -} - -__attribute__((noinline, noclone)) char * -fn5 (char *p, const char *q, size_t *l1, size_t *l2) -{ - char *a = stpcpy (p, q); - /* This strlen can be optimized into 0. */ - size_t la = strlen (a); - /* This strlen can be optimized into a - p. */ - size_t lp = strlen (p); - *l1 = la; - *l2 = lp; - return a; -} - -int -main () -{ - char buf[64]; - const char *volatile q = "ABCDEFGH"; - size_t l1, l2, l3; - memset (buf, '\0', sizeof buf); - memset (buf + 6, 'z', 7); - if (fn1 (buf, &l1, &l2) != buf + 6 || l1 != 7 || l2 != 5 - || memcmp (buf, "abcde\0zzzzzzz", 14) != 0) - abort (); - if (fn2 (buf, q, &l1, &l2, &l3) != buf + 9 || l1 != 8 || l2 != 4 || l3 != 8 - || memcmp (buf, "ABCDEFGH\0zzzz", 14) != 0) - abort (); - if (fn3 (buf, &l1, &l2) != buf + 5 || l1 != 0 || l2 != 5 - || memcmp (buf, "abcde\0GH\0zzzz", 14) != 0) - abort (); - l3 = 0; - memset (buf, 'n', 9); - if (fn4 (buf, q, &l1, &l2, &l3) != buf + 8 || l1 != 8 || l2 != 0 || l3 != 8 - || memcmp (buf, "ABCDEFGH\0zzzz", 14) != 0) - abort (); - memset (buf, 'm', 9); - if (fn5 (buf, q, &l1, &l2) != buf + 8 || l1 != 0 || l2 != 8 - || memcmp (buf, "ABCDEFGH\0zzzz", 14) != 0) - abort (); - return 0; -} - -/* { dg-final { scan-tree-dump-times "strlen \\(" 4 "strlen" } } */ -/* { dg-final { scan-tree-dump-times "memcpy \\(" 1 "strlen" } } */ -/* { dg-final { scan-tree-dump-times "mempcpy \\(" 2 "strlen" } } */ -/* { dg-final { scan-tree-dump-times "strcpy \\(" 0 "strlen" } } */ -/* { dg-final { scan-tree-dump-times "strcat \\(" 0 "strlen" } } */ -/* { dg-final { scan-tree-dump-times "strchr \\(" 0 "strlen" } } */ -/* { dg-final { scan-tree-dump-times "stpcpy \\(" 2 "strlen" } } */ -/* { dg-final { cleanup-tree-dump "strlen" } } */ |