Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-37.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | |
children |
line wrap: on
line source
/* { dg-options "-O2 -fdump-tree-dse-details -fno-tree-fre" } */ #ifndef SCOPE #define SCOPE #endif extern void frob (char *); void g (char *s) { SCOPE char a[8]; __builtin_strncpy (a, s, sizeof a); __builtin_memset (a, 0, sizeof a); frob (a); } void h (char *s) { SCOPE char a[8]; __builtin_memset (a, 0, sizeof a); __builtin_strncpy (a, s, sizeof a); frob (a); } void i (char *s) { SCOPE char a[8]; __builtin_strncpy (a, s, sizeof a); __builtin_memset (a, 0, sizeof a - 5); frob (a); } void j (char *s) { SCOPE char a[8]; __builtin_memset (a, 0, sizeof a); __builtin_strncpy (a, s, sizeof a - 5); frob (a); } void l (char *s) { SCOPE char a[8]; __builtin_strncpy (a, s, sizeof a); __builtin_memset (a + 2, 0, sizeof a - 2); frob (a); } void m (char *s) { SCOPE char a[8]; __builtin_memset (a, 0, sizeof a); __builtin_strncpy (a + 2, s, sizeof a - 2); frob (a); } /* { dg-final { scan-tree-dump-times "Deleted dead call" 2 "dse1" } } */ /* { dg-final { scan-tree-dump-times "Trimming statement " 4 "dse1" } } */