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ipa-struct-reorg.c (remove_str_allocs_in_func, [...]): New functions.

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2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

	* ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
	New functions.
	(remove_structure): Update allocations list before removing structure.

From-SVN: r131818
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Golovanevsky Olga 2008-01-25 08:02:54 +00:00 • committed by Olga Golovanevsky
parent bd91d74392
commit 1525f2c3a5
2 changed files with 47 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
* ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
New functions.
(remove_structure): Update allocations list before removing structure.
2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
* ipa-struct-reorg.c (is_safe_cond_expr,

43
gcc/ipa-struct-reorg.c
View file

@ -187,7 +187,7 @@ typedef struct func_alloc_sites *fallocs_t;
typedef const struct func_alloc_sites *const_fallocs_t;
/* All allocation sites in the program. */
htab_t alloc_sites;
htab_t alloc_sites = NULL;
/* New global variables. Generated once for whole program. */
htab_t new_global_vars;
@ -2347,6 +2347,41 @@ dump_access_sites (htab_t accs)
htab_traverse (accs, dump_acc, NULL);
}
/* This function is a callback for alloc_sites hashtable
traversal. SLOT is a pointer to fallocs_t. This function
removes all allocations of the structure defined by DATA. */
static int
remove_str_allocs_in_func (void **slot, void *data)
{
fallocs_t fallocs = *(fallocs_t *) slot;
unsigned i = 0;
alloc_site_t *call;
while (VEC_iterate (alloc_site_t, fallocs->allocs, i, call))
{
if (call->str == (d_str) data)
VEC_ordered_remove (alloc_site_t, fallocs->allocs, i);
else
i++;
}
return 1;
}
/* This function remove all entries corresponding to the STR structure
from alloc_sites hashtable. */
static void
remove_str_allocs (d_str str)
{
if (!str)
return;
if (alloc_sites)
htab_traverse (alloc_sites, remove_str_allocs_in_func, str);
}
/* This function removes the structure with index I from structures vector. */
static void
@ -2357,7 +2392,11 @@ remove_structure (unsigned i)
if (i >= VEC_length (structure, structures))
return;
str = VEC_index (structure, structures, i);
str = VEC_index (structure, structures, i);
/* Before removing the structure str, we have to remove its
allocations from alloc_sites hashtable. */
remove_str_allocs (str);
free_data_struct (str);
VEC_ordered_remove (structure, structures, i);
}