| // PR tree-optimization/71625 - missing strlen optimization on different |
| // array initialization style |
| // |
| // Verify that strlen() call with a constant character array argument |
| // initialized with non-constant elements isn't folded. |
| // |
| // { dg-do compile } |
| // { dg-options "-O2 -fdump-tree-optimized" } |
| |
| |
| extern const char c; |
| const char a0[] = { 'a', 'b', 'c', c }; |
| |
| int len0 () |
| { |
| return __builtin_strlen (a0); |
| } |
| |
| const char &ref = c; |
| const char a1[] = { 'a', 'b', 'c', ref }; |
| |
| int len1 () |
| { |
| return __builtin_strlen (a1); |
| } |
| |
| const char* const ptr = &c; |
| const char a2[] = { 'a', 'b', 'c', *ptr }; |
| |
| int len2 () |
| { |
| return __builtin_strlen (a2); |
| } |
| |
| // { dg-final { scan-tree-dump-times "strlen" 3 "optimized" } } |
