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tree-ssa-pre.c (phi_translate_1): Fix memory leak. 

2008-09-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (phi_translate_1): Fix memory leak.

From-SVN: r140236
This commit is contained in:
Richard Guenther 2008-09-10 16:14:30 +00:00 committed by Richard Biener
parent bfb0b88634
commit b5d76df4c9
2 changed files with 16 additions and 6 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2008-09-10 Richard Guenther <rguenther@suse.de>
* tree-ssa-pre.c (phi_translate_1): Fix memory leak.
2008-09-10 Richard Guenther <rguenther@suse.de>
PR middle-end/37432

18
gcc/tree-ssa-pre.c
View File

@ -1504,11 +1504,11 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2,
{
tree name = get_representative_for (opresult);
if (!name)
return NULL;
break;
op0 = name;
}
else if (!opresult)
return NULL;
break;
}
changed |= op0 != oldop0;
@ -1522,11 +1522,11 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2,
{
tree name = get_representative_for (opresult);
if (!name)
return NULL;
break;
op1 = name;
}
else if (!opresult)
return NULL;
break;
}
changed |= op1 != oldop1;
if (op2 && TREE_CODE (op2) == SSA_NAME)
@ -1539,11 +1539,11 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2,
{
tree name = get_representative_for (opresult);
if (!name)
return NULL;
break;
op2 = name;
}
else if (!opresult)
return NULL;
break;
}
changed |= op2 != oldop2;
@ -1558,6 +1558,12 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2,
newop.op2 = op2;
VEC_replace (vn_reference_op_s, newoperands, i, &newop);
}
if (i != VEC_length (vn_reference_op_s, operands))
{
if (newoperands)
VEC_free (vn_reference_op_s, heap, newoperands);
return NULL;
}
newvuses = translate_vuses_through_block (vuses, phiblock, pred);
changed |= newvuses != vuses;