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re PR middle-end/50260 (internal compiler error: Segmentation fault at ../../gcc/gcc/tree-ssa-live.c:88) 

PR middle-end/50260
	* ipa-split.c (split_function): Call add_referenced_var.

	* tree-ssa-phiopt.c (cond_store_replacement): Don't call get_var_ann.
	(cond_if_else_store_replacement_1): Ditto.
	* tree-ssa-pre.c (get_representative_for): Ditto.
	(create_expression_by_pieces): Ditto.
	(insert_into_preds_of_block): Ditto.
	* tree-sra.c (create_access_replacement): Ditto.
	(get_replaced_param_substitute): Ditto.

From-SVN: r178489
This commit is contained in:
Michael Matz 2011-09-02 18:31:47 +00:00 committed by Michael Matz
parent 6bd9bf4254
commit dde460d482
5 changed files with 21 additions and 19 deletions
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13
gcc/ChangeLog
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@ -1,3 +1,16 @@
2011-09-02 Michael Matz <matz@suse.de>
PR middle-end/50260
* ipa-split.c (split_function): Call add_referenced_var.
* tree-ssa-phiopt.c (cond_store_replacement): Don't call get_var_ann.
(cond_if_else_store_replacement_1): Ditto.
* tree-ssa-pre.c (get_representative_for): Ditto.
(create_expression_by_pieces): Ditto.
(insert_into_preds_of_block): Ditto.
* tree-sra.c (create_access_replacement): Ditto.
(get_replaced_param_substitute): Ditto.
2011-09-02 Bernd Schmidt <bernds@codesourcery.com>
* config/c6x/c6x.md (collapse-ndfa, no-comb-vect): New

3
gcc/ipa-split.c
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@ -988,6 +988,9 @@ split_function (struct split_point *split_point)
arg = gimple_default_def (cfun, parm);
if (!arg)
{
/* This parm wasn't used up to now, but is going to be used,
hence register it. */
add_referenced_var (parm);
arg = make_ssa_name (parm, gimple_build_nop ());
set_default_def (parm, arg);
}

2
gcc/tree-sra.c
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@ -1825,7 +1825,6 @@ create_access_replacement (struct access *access, bool rename)
tree repl;
repl = create_tmp_var (access->type, "SR");
get_var_ann (repl);
add_referenced_var (repl);
if (rename)
mark_sym_for_renaming (repl);
@ -4106,7 +4105,6 @@ get_replaced_param_substitute (struct ipa_parm_adjustment *adj)
DECL_NAME (repl) = get_identifier (pretty_name);
obstack_free (&name_obstack, pretty_name);
get_var_ann (repl);
add_referenced_var (repl);
adj->new_ssa_base = repl;
}

10
gcc/tree-ssa-phiopt.c
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@ -1269,10 +1269,7 @@ cond_store_replacement (basic_block middle_bb, basic_block join_bb,
/* 2) Create a temporary where we can store the old content
of the memory touched by the store, if we need to. */
if (!condstoretemp || TREE_TYPE (lhs) != TREE_TYPE (condstoretemp))
{
condstoretemp = create_tmp_reg (TREE_TYPE (lhs), "cstore");
get_var_ann (condstoretemp);
}
condstoretemp = create_tmp_reg (TREE_TYPE (lhs), "cstore");
add_referenced_var (condstoretemp);
/* 3) Insert a load from the memory of the store to the temporary
@ -1355,10 +1352,7 @@ cond_if_else_store_replacement_1 (basic_block then_bb, basic_block else_bb,
/* 2) Create a temporary where we can store the old content
of the memory touched by the store, if we need to. */
if (!condstoretemp || TREE_TYPE (lhs) != TREE_TYPE (condstoretemp))
{
condstoretemp = create_tmp_reg (TREE_TYPE (lhs), "cstore");
get_var_ann (condstoretemp);
}
condstoretemp = create_tmp_reg (TREE_TYPE (lhs), "cstore");
add_referenced_var (condstoretemp);
/* 3) Create a PHI node at the join block, with one argument

12
gcc/tree-ssa-pre.c
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@ -1399,7 +1399,7 @@ get_representative_for (const pre_expr e)
if (!pretemp || exprtype != TREE_TYPE (pretemp))
{
pretemp = create_tmp_reg (exprtype, "pretmp");
get_var_ann (pretemp);
add_referenced_var (pretemp);
}
name = make_ssa_name (pretemp, gimple_build_nop ());
@ -3178,10 +3178,7 @@ create_expression_by_pieces (basic_block block, pre_expr expr,
/* Build and insert the assignment of the end result to the temporary
that we will return. */
if (!pretemp || exprtype != TREE_TYPE (pretemp))
{
pretemp = create_tmp_reg (exprtype, "pretmp");
get_var_ann (pretemp);
}
pretemp = create_tmp_reg (exprtype, "pretmp");
temp = pretemp;
add_referenced_var (temp);
@ -3441,10 +3438,7 @@ insert_into_preds_of_block (basic_block block, unsigned int exprnum,
/* Now build a phi for the new variable. */
if (!prephitemp || TREE_TYPE (prephitemp) != type)
{
prephitemp = create_tmp_var (type, "prephitmp");
get_var_ann (prephitemp);
}
prephitemp = create_tmp_var (type, "prephitmp");
temp = prephitemp;
add_referenced_var (temp);