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re PR tree-optimization/35403 (ipa-reference.c does not change a default initialized static variable to be readonly)

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2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * ipa-reference.c (static_execute): Remove module_statics_const and
        associated setting code.


2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/35403
        * gcc.dg/tree-ssa/ipa-reference-1.c: New testcase.

From-SVN: r133119
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Andrew Pinski 2008-03-11 21:08:00 +00:00 • committed by Andrew Pinski
parent 40cca4f97c
commit 76a7d3ca51
4 changed files with 25 additions and 10 deletions
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5
gcc/ChangeLog
View file

@ -1,3 +1,8 @@
2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
* ipa-reference.c (static_execute): Remove module_statics_const and
associated setting code.
2008-03-11 Uros Bizjak <ubizjak@gmail.com>
PR target/35540

10
gcc/ipa-reference.c
View file

@ -949,7 +949,6 @@ static_execute (void)
unsigned int index;
bitmap_iterator bi;
bitmap module_statics_readonly = BITMAP_ALLOC (&ipa_obstack);
bitmap module_statics_const = BITMAP_ALLOC (&ipa_obstack);
bitmap bm_temp = BITMAP_ALLOC (&ipa_obstack);
EXECUTE_IF_SET_IN_BITMAP (module_statics_escape, 0, index, bi)
@ -999,14 +998,6 @@ static_execute (void)
fprintf (dump_file, "read-only var %s\n",
get_static_name (index));
}
if (DECL_INITIAL (var)
&& is_gimple_min_invariant (DECL_INITIAL (var)))
{
bitmap_set_bit (module_statics_const, index);
if (dump_file)
fprintf (dump_file, "read-only constant %s\n",
get_static_name (index));
}
}
BITMAP_FREE(module_statics_escape);
@ -1036,7 +1027,6 @@ static_execute (void)
}
BITMAP_FREE(module_statics_readonly);
BITMAP_FREE(module_statics_const);
BITMAP_FREE(bm_temp);
}

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/35403
* gcc.dg/tree-ssa/ipa-reference-1.c: New testcase.
2008-03-11 Uros Bizjak <ubizjak@gmail.com>
PR target/35540

15
gcc/testsuite/gcc.dg/tree-ssa/ipa-reference-1.c Normal file
View file

@ -0,0 +1,15 @@
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
static int conststaticvariable;
int f(void)
{
return conststaticvariable;
}
/* There should be no reference to conststaticvariable as we should have
inlined the 0 as IPA reference should have marked the variable as a const
as it is not set in the IR. */
/* { dg-final { scan-tree-dump-times "conststaticvariable" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */