| /* PR tree-optimization/71625 - conversion of braced initializers to strings |
| Verify that array elements have the expected values regardless of sign |
| and non-ASCII execution character set. |
| { dg-do compile } |
| { dg-require-iconv "IBM1047" } |
| { dg-options "-O -Wall -fexec-charset=IBM1047 -fdump-tree-gimple -fdump-tree-optimized" } */ |
| |
| #include "strlenopt.h" |
| |
| const char a[] = { 'a', 129, 0 }; |
| const signed char b[] = { 'b', 130, 0 }; |
| const unsigned char c[] = { 'c', 131, 0 }; |
| |
| const char s[] = "a\201"; |
| const signed char ss[] = "b\202"; |
| const unsigned char us[] = "c\203"; |
| |
| |
| #define A(expr) ((expr) ? (void)0 : __builtin_abort ()) |
| |
| void test_values (void) |
| { |
| A (a[0] == a[1]); |
| A (a[1] == 'a'); |
| |
| A (b[0] == b[1]); |
| A (b[1] == (signed char)'b'); |
| |
| A (c[0] == c[1]); |
| A (c[1] == (unsigned char)'c'); |
| } |
| |
| void test_lengths (void) |
| { |
| A (2 == strlen (a)); |
| A (2 == strlen ((const char*)b)); |
| A (2 == strlen ((const char*)c)); |
| } |
| |
| void test_contents (void) |
| { |
| A (0 == strcmp (a, s)); |
| A (0 == strcmp ((const char*)b, (const char*)ss)); |
| A (0 == strcmp ((const char*)c, (const char*)us)); |
| } |
| |
| |
| /* { dg-final { scan-tree-dump-times "strlen1" 0 "gimple" } } |
| { dg-final { scan-tree-dump-times "strcmp" 0 "gimple" } } |
| { dg-final { scan-tree-dump-times "abort" 0 "optimized" } } */ |