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tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify the condition using is_gimple_condexpr and avoid the not necessary...

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2012-04-23  Richard Guenther  <rguenther@suse.de>

	* tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
	the condition using is_gimple_condexpr and avoid the not necessary
	boolification.
	(set_prologue_iterations): Likewise.
	(vect_loop_versioning): Likewise.

From-SVN: r186710
This commit is contained in:
Richard Guenther 2012-04-23 14:38:16 +00:00 • committed by Richard Biener
parent c6f9b038be
commit f7a06a988e
2 changed files with 25 additions and 28 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2012-04-23 Richard Guenther <rguenther@suse.de>
* tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
the condition using is_gimple_condexpr and avoid the not necessary
boolification.
(set_prologue_iterations): Likewise.
(vect_loop_versioning): Likewise.
2012-04-23 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53070

45
gcc/tree-vect-loop-manip.c
View file

@ -943,12 +943,11 @@ slpeel_add_loop_guard (basic_block guard_bb, tree cond,
enter_e->flags |= EDGE_FALSE_VALUE;
gsi = gsi_last_bb (guard_bb);
cond = force_gimple_operand (cond, &gimplify_stmt_list, true, NULL_TREE);
cond = force_gimple_operand_1 (cond, &gimplify_stmt_list, is_gimple_condexpr,
NULL_TREE);
if (gimplify_stmt_list)
gimple_seq_add_seq (&cond_expr_stmt_list, gimplify_stmt_list);
cond_stmt = gimple_build_cond (NE_EXPR,
cond, build_int_cst (TREE_TYPE (cond), 0),
NULL_TREE, NULL_TREE);
cond_stmt = gimple_build_cond_from_tree (cond, NULL_TREE, NULL_TREE);
if (cond_expr_stmt_list)
gsi_insert_seq_after (&gsi, cond_expr_stmt_list, GSI_NEW_STMT);
@ -1048,7 +1047,7 @@ set_prologue_iterations (basic_block bb_before_first_loop,
gimple newphi;
edge e_true, e_false, e_fallthru;
gimple cond_stmt;
gimple_seq gimplify_stmt_list = NULL, stmts = NULL;
gimple_seq stmts = NULL;
tree cost_pre_condition = NULL_TREE;
tree scalar_loop_iters =
unshare_expr (LOOP_VINFO_NITERS_UNCHANGED (loop_vec_info_for_loop (loop)));
@ -1070,21 +1069,15 @@ set_prologue_iterations (basic_block bb_before_first_loop,
e_fallthru = EDGE_SUCC (then_bb, 0);
gsi = gsi_last_bb (cond_bb);
cost_pre_condition =
fold_build2 (LE_EXPR, boolean_type_node, scalar_loop_iters,
build_int_cst (TREE_TYPE (scalar_loop_iters), th));
cost_pre_condition =
force_gimple_operand (cost_pre_condition, &gimplify_stmt_list,
true, NULL_TREE);
cond_stmt = gimple_build_cond (NE_EXPR, cost_pre_condition,
build_int_cst (TREE_TYPE (cost_pre_condition),
0), NULL_TREE, NULL_TREE);
gsi = gsi_last_bb (cond_bb);
if (gimplify_stmt_list)
gsi_insert_seq_after (&gsi, gimplify_stmt_list, GSI_NEW_STMT);
gsi = gsi_last_bb (cond_bb);
force_gimple_operand_gsi_1 (&gsi, cost_pre_condition, is_gimple_condexpr,
NULL_TREE, false, GSI_CONTINUE_LINKING);
cond_stmt = gimple_build_cond_from_tree (cost_pre_condition,
NULL_TREE, NULL_TREE);
gsi_insert_after (&gsi, cond_stmt, GSI_NEW_STMT);
var = create_tmp_var (TREE_TYPE (scalar_loop_iters),
@ -2571,25 +2564,21 @@ vect_loop_versioning (loop_vec_info loop_vinfo, bool do_versioning,
th = conservative_cost_threshold (loop_vinfo,
min_profitable_iters);
*cond_expr =
fold_build2 (GT_EXPR, boolean_type_node, scalar_loop_iters,
build_int_cst (TREE_TYPE (scalar_loop_iters), th));
*cond_expr = force_gimple_operand (*cond_expr, cond_expr_stmt_list,
false, NULL_TREE);
*cond_expr = fold_build2 (GT_EXPR, boolean_type_node, scalar_loop_iters,
build_int_cst (TREE_TYPE (scalar_loop_iters), th));
*cond_expr = force_gimple_operand_1 (*cond_expr, cond_expr_stmt_list,
is_gimple_condexpr, NULL_TREE);
if (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT (loop_vinfo))
vect_create_cond_for_align_checks (loop_vinfo, cond_expr,
cond_expr_stmt_list);
vect_create_cond_for_align_checks (loop_vinfo, cond_expr,
cond_expr_stmt_list);
if (LOOP_REQUIRES_VERSIONING_FOR_ALIAS (loop_vinfo))
vect_create_cond_for_alias_checks (loop_vinfo, cond_expr,
cond_expr_stmt_list);
*cond_expr =
fold_build2 (NE_EXPR, boolean_type_node, *cond_expr, integer_zero_node);
*cond_expr =
force_gimple_operand (*cond_expr, &gimplify_stmt_list, true, NULL_TREE);
*cond_expr = force_gimple_operand_1 (*cond_expr, &gimplify_stmt_list,
is_gimple_condexpr, NULL_TREE);
gimple_seq_add_seq (cond_expr_stmt_list, gimplify_stmt_list);
/* If we only needed the extra conditions and a new loop copy