Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/pr86061.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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/* { dg-options "-O2 -fdump-tree-dse-details -fno-tree-fre" } */ struct S { int i; char n[128]; int j; }; void f (char*); void g (struct S *p) { char a[sizeof p->n + 1]; __builtin_memset (a, 0, sizeof a); // dead store, can be eliminated __builtin_strncpy (a, p->n, sizeof a - 1); a[sizeof a - 1] = '\0'; f (a); } /* { dg-final { scan-tree-dump-times "Deleted dead call" 1 "dse1" } } */