Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/strlenopt-60.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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/* PR tree-optimization/89500 */ /* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-optimized" } */ /* { dg-final { scan-tree-dump-times "return 10;" 2 "optimized" } } */ /* { dg-final { scan-tree-dump-times "return 5;" 1 "optimized" } } */ /* { dg-final { scan-tree-dump-times "return 0;" 2 "optimized" } } */ /* { dg-final { scan-tree-dump-times "strnlen " 1 "optimized" } } */ #include "strlenopt.h" void foo (char *); size_t f1 (void) { char a[10] = "0123456789"; return strnlen (a, 10); } size_t f2 (void) { char a[10] = "0123456789"; return strnlen (a, 5); } size_t f3 (void) { char a[10] = "0123456789"; return strnlen (a, 0); } size_t f4 (void) { char a[20]; foo (a); memcpy (a, "0123456789", 10); return strnlen (a, 10); } size_t f5 (void) { char a[20]; foo (a); memcpy (a, "0123456789", 10); return strnlen (a, 14); } size_t f6 (void) { char a[20]; foo (a); return strnlen (a, 0); }