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re PR rtl-optimization/8423 (CSE1 not propagating __builtin_constant_p enough) 

PR optimization/8423
	* gcc.c-torture/execute/builtin-constant.c: New test.

From-SVN: r58760
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Diego Novillo 2002-11-02 22:58:54 +00:00 committed by Diego Novillo
parent dff9f1b69e
commit 8cd4a35974
2 changed files with 31 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2002-11-02 Diego Novillo <dnovillo@redhat.com>
PR optimization/8423
* gcc.c-torture/execute/builtin-constant.c: New test.
2002-11-01 Zack Weinberg <zack@codesourcery.com>
* g++.dg/ext/typedef-init.C, gcc.dg/typedef-init.C:

26
gcc/testsuite/gcc.c-torture/execute/builtin-constant.c Normal file
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/* PR optimization/8423. */
#define btest(x) __builtin_constant_p(x) ? "1" : "0"
#ifdef __OPTIMIZE__
void
foo (char *i)
{
if (*i == '0')
abort ();
}
#else
void
foo (char *i)
{
}
#endif
int
main (void)
{
int size = sizeof (int);
foo (btest (size));
foo (btest (size));
exit (0);
}