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riscv-gcc-1
Commit 0baa616a by Sebastian Pop Committed by Sebastian Pop
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use codegen_error_p 

	* graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call codegen_error_p.
	(ternary_op_to_tree): Same.
	(unary_op_to_tree): Same.
	(nary_op_to_tree): Same.
	(gcc_expression_from_isl_expr_op): Same.
	(gcc_expression_from_isl_expression): Same.
	(graphite_create_new_loop): Same.
	(graphite_create_new_loop_guard): Same.
	(build_iv_mapping): Same.
	(graphite_create_new_guard): Same.
	(translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
	(translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.

From-SVN: r232933
parent 9b496f67
Showing with 40 additions and 24 deletions
gcc/ChangeLog
2016-01-28 Sebastian Pop <s.pop@samsung.com>
* graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call codegen_error_p.
(ternary_op_to_tree): Same.
(unary_op_to_tree): Same.
(nary_op_to_tree): Same.
(gcc_expression_from_isl_expr_op): Same.
(gcc_expression_from_isl_expression): Same.
(graphite_create_new_loop): Same.
(graphite_create_new_loop_guard): Same.
(build_iv_mapping): Same.
(graphite_create_new_guard): Same.
(translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
(translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
2016-01-28 Sebastian Pop <s.pop@samsung.com>
* graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert instead of
setting codegen_error to fail codegen.
......
gcc/graphite-isl-ast-to-gimple.c
......@@ -438,16 +438,14 @@ class translate_isl_ast_to_gimple
vec<tree> iv_map);
/* Duplicates the statements of basic block BB into basic block NEW_BB
and compute the new induction variables according to the IV_MAP.
CODEGEN_ERROR is set when the code generation cannot continue. */
and compute the new induction variables according to the IV_MAP. */
bool graphite_copy_stmts_from_block (basic_block bb, basic_block new_bb,
vec<tree> iv_map);
/* Copies BB and includes in the copied BB all the statements that can
be reached following the use-def chains from the memory accesses,
and returns the next edge following this new block. codegen_error is
set when the code generation cannot continue. */
and returns the next edge following this new block. */
edge copy_bb_and_scalar_dependences (basic_block bb, edge next_e,
vec<tree> iv_map);
......@@ -480,8 +478,7 @@ class translate_isl_ast_to_gimple
RENAME_MAP, inserting the gimplification code at GSI_TGT, for the
translation REGION, with the original copied statement in LOOP, and using
the induction variable renaming map IV_MAP. Returns true when something
has been renamed. codegen_error is set when the code generation cannot
continue. */
has been renamed. */
bool rename_uses (gimple *copy, gimple_stmt_iterator *gsi_tgt,
basic_block old_bb, loop_p loop, vec<tree> iv_map);
......@@ -597,7 +594,7 @@ binary_op_to_tree (tree type, __isl_take isl_ast_expr *expr, ivs_params &ip)
enum isl_ast_op_type expr_type = isl_ast_expr_get_op_type (expr);
isl_ast_expr_free (expr);
if (codegen_error)
if (codegen_error_p ())
return NULL_TREE;
switch (expr_type)
......@@ -699,7 +696,7 @@ ternary_op_to_tree (tree type, __isl_take isl_ast_expr *expr, ivs_params &ip)
tree c = gcc_expression_from_isl_expression (type, arg_expr, ip);
isl_ast_expr_free (expr);
if (codegen_error)
if (codegen_error_p ())
return NULL_TREE;
return fold_build3 (COND_EXPR, type, a, b, c);
......@@ -716,7 +713,8 @@ unary_op_to_tree (tree type, __isl_take isl_ast_expr *expr, ivs_params &ip)
isl_ast_expr *arg_expr = isl_ast_expr_get_op_arg (expr, 0);
tree tree_expr = gcc_expression_from_isl_expression (type, arg_expr, ip);
isl_ast_expr_free (expr);
return codegen_error ? NULL_TREE : fold_build1 (NEGATE_EXPR, type, tree_expr);
return codegen_error_p () ? NULL_TREE
: fold_build1 (NEGATE_EXPR, type, tree_expr);
}
/* Converts an isl_ast_expr_op expression E with unknown number of arguments
......@@ -743,7 +741,7 @@ nary_op_to_tree (tree type, __isl_take isl_ast_expr *expr, ivs_params &ip)
isl_ast_expr *arg_expr = isl_ast_expr_get_op_arg (expr, 0);
tree res = gcc_expression_from_isl_expression (type, arg_expr, ip);
if (codegen_error)
if (codegen_error_p ())
{
isl_ast_expr_free (expr);
return NULL_TREE;
......@@ -755,7 +753,7 @@ nary_op_to_tree (tree type, __isl_take isl_ast_expr *expr, ivs_params &ip)
arg_expr = isl_ast_expr_get_op_arg (expr, i);
tree t = gcc_expression_from_isl_expression (type, arg_expr, ip);
if (codegen_error)
if (codegen_error_p ())
{
isl_ast_expr_free (expr);
return NULL_TREE;
......@@ -775,7 +773,7 @@ translate_isl_ast_to_gimple::
gcc_expression_from_isl_expr_op (tree type, __isl_take isl_ast_expr *expr,
ivs_params &ip)
{
if (codegen_error)
if (codegen_error_p ())
{
isl_ast_expr_free (expr);
return NULL_TREE;
......@@ -837,7 +835,7 @@ translate_isl_ast_to_gimple::
gcc_expression_from_isl_expression (tree type, __isl_take isl_ast_expr *expr,
ivs_params &ip)
{
if (codegen_error)
if (codegen_error_p ())
{
isl_ast_expr_free (expr);
return NULL_TREE;
......@@ -879,7 +877,7 @@ graphite_create_new_loop (edge entry_edge, __isl_keep isl_ast_node *node_for,
tree stride = gcc_expression_from_isl_expression (type, for_inc, ip);
/* To fail code generation, we generate wrong code until we discard it. */
if (codegen_error)
if (codegen_error_p ())
stride = integer_zero_node;
tree ivvar = create_tmp_var (type, "graphite_IV");
......@@ -1025,13 +1023,16 @@ graphite_create_new_loop_guard (edge entry_edge,
build_nonstandard_integer_type (graphite_expression_type_precision, 0);
isl_ast_expr *for_init = isl_ast_node_for_get_init (node_for);
*lb = gcc_expression_from_isl_expression (*type, for_init, ip);
/* To fail code generation, we generate wrong code until we discard it. */
if (codegen_error)
if (codegen_error_p ())
*lb = integer_zero_node;
isl_ast_expr *upper_bound = get_upper_bound (node_for);
*ub = gcc_expression_from_isl_expression (*type, upper_bound, ip);
/* To fail code generation, we generate wrong code until we discard it. */
if (codegen_error)
if (codegen_error_p ())
*ub = integer_zero_node;
/* When ub is simply a constant or a parameter, use lb <= ub. */
......@@ -1115,8 +1116,9 @@ build_iv_mapping (vec<tree> iv_map, gimple_poly_bb_p gbb,
tree type =
build_nonstandard_integer_type (graphite_expression_type_precision, 0);
tree t = gcc_expression_from_isl_expression (type, arg_expr, ip);
/* To fail code generation, we generate wrong code until we discard it. */
if (codegen_error)
if (codegen_error_p ())
t = integer_zero_node;
loop_p old_loop = gbb_loop_at_index (gbb, region, i - 1);
......@@ -1216,8 +1218,9 @@ graphite_create_new_guard (edge entry_edge, __isl_take isl_ast_expr *if_cond,
tree type =
build_nonstandard_integer_type (graphite_expression_type_precision, 0);
tree cond_expr = gcc_expression_from_isl_expression (type, if_cond, ip);
/* To fail code generation, we generate wrong code until we discard it. */
if (codegen_error)
if (codegen_error_p ())
cond_expr = integer_zero_node;
edge exit_edge = create_empty_if_region_on_edge (entry_edge, cond_expr);
......@@ -2159,7 +2162,7 @@ translate_isl_ast_to_gimple::copy_loop_phi_nodes (basic_block bb,
gimple_phi_result_ptr (new_phi));
set_rename (res, new_res);
codegen_error = !copy_loop_phi_args (phi, ibp_old_bb, new_phi,
ibp_new_bb, true);
ibp_new_bb, true);
update_stmt (new_phi);
if (dump_file)
......@@ -2808,8 +2811,7 @@ translate_isl_ast_to_gimple::set_rename_for_each_def (gimple *stmt)
}
/* Duplicates the statements of basic block BB into basic block NEW_BB
and compute the new induction variables according to the IV_MAP.
CODEGEN_ERROR is set when the code generation cannot continue. */
and compute the new induction variables according to the IV_MAP. */
bool
translate_isl_ast_to_gimple::graphite_copy_stmts_from_block (basic_block bb,
......@@ -2921,8 +2923,7 @@ translate_isl_ast_to_gimple::edge_for_new_close_phis (basic_block bb)
/* Copies BB and includes in the copied BB all the statements that can
be reached following the use-def chains from the memory accesses,
and returns the next edge following this new block. codegen_error is
set when the code generation cannot continue. */
and returns the next edge following this new block. */
edge
translate_isl_ast_to_gimple::copy_bb_and_scalar_dependences (basic_block bb,
......@@ -3107,7 +3108,7 @@ translate_isl_ast_to_gimple::translate_pending_phi_nodes ()
fprintf (dump_file, "[codegen] to new-phi: ");
print_gimple_stmt (dump_file, new_phi, 0, 0);
}
if (codegen_error)
if (codegen_error_p ())
return;
}
}
......
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