Viewing file:  strlenopt-56.c (1.27 KB) -rw-r--r--
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/* 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" } } */
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