+2019-10-11 Jan Hubicka <hubicka@ucw.cz>
+
+ * gimple-streamer-out.c (output_gimple_stmt): Add explicit function
+ parameter.
+ * lto-streamer-out.c: Include tree-dfa.h.
+ (output_cfg): Do not use cfun.
+ (lto_prepare_function_for_streaming): New.
+ (output_function): Do not push cfun; do not initialize loop optimizer.
+ * lto-streamer.h (lto_prepare_function_for_streaming): Declare.
+ * passes.c (ipa_write_summaries): Use it.
+ (ipa_write_optimization_summaries): Do not modify bodies.
+ * tree-dfa.c (renumber_gimple_stmt_uids): Add function parameter.
+ * tree.dfa.h (renumber_gimple_stmt_uids): Update prototype.
+ * tree-ssa-dse.c (pass_dse::execute): Update use of
+ renumber_gimple_stmt_uids.
+ * tree-ssa-math-opts.c (pass_optimize_widening_mul::execute): Likewise.
+
2019-10-11 Kewen Lin <linkw@gcc.gnu.org>
* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Lower
/* Emit statement STMT on the main stream of output block OB. */
static void
-output_gimple_stmt (struct output_block *ob, gimple *stmt)
+output_gimple_stmt (struct output_block *ob, struct function *fn, gimple *stmt)
{
unsigned i;
enum gimple_code code;
as_a <gassign *> (stmt)),
1);
bp_pack_value (&bp, gimple_has_volatile_ops (stmt), 1);
- hist = gimple_histogram_value (cfun, stmt);
+ hist = gimple_histogram_value (fn, stmt);
bp_pack_value (&bp, hist != NULL, 1);
bp_pack_var_len_unsigned (&bp, stmt->subcode);
so that we do not have to deal with type mismatches on
merged symbols during IL read in. The first operand
of GIMPLE_DEBUG must be a decl, not MEM_REF, though. */
- if (op && (i || !is_gimple_debug (stmt)))
+ if (!flag_wpa && op && (i || !is_gimple_debug (stmt)))
{
basep = &op;
if (TREE_CODE (*basep) == ADDR_EXPR)
while (handled_component_p (*basep))
basep = &TREE_OPERAND (*basep, 0);
if (VAR_P (*basep)
- && !auto_var_in_fn_p (*basep, current_function_decl)
+ && !auto_var_in_fn_p (*basep, fn->decl)
&& !DECL_REGISTER (*basep))
{
bool volatilep = TREE_THIS_VOLATILE (*basep);
print_gimple_stmt (streamer_dump_file, stmt, 0, TDF_SLIM);
}
- output_gimple_stmt (ob, stmt);
+ output_gimple_stmt (ob, fn, stmt);
/* Emit the EH region holding STMT. */
region = lookup_stmt_eh_lp_fn (fn, stmt);
#include "debug.h"
#include "omp-offload.h"
#include "print-tree.h"
+#include "tree-dfa.h"
static void lto_write_tree (struct output_block*, tree, bool);
streamer_write_hwi (ob, -1);
- bb = ENTRY_BLOCK_PTR_FOR_FN (cfun);
+ bb = ENTRY_BLOCK_PTR_FOR_FN (fn);
while (bb->next_bb)
{
streamer_write_hwi (ob, bb->next_bb->index);
streamer_write_hwi (ob, -1);
- /* ??? The cfgloop interface is tied to cfun. */
- gcc_assert (cfun == fn);
-
/* Output the number of loops. */
streamer_write_uhwi (ob, number_of_loops (fn));
collect_block_tree_leafs (BLOCK_SUBBLOCKS (root), leafs);
}
+/* This performs function body modifications that are needed for streaming
+ to work. */
+
+void
+lto_prepare_function_for_streaming (struct cgraph_node *node)
+{
+ if (number_of_loops (DECL_STRUCT_FUNCTION (node->decl)))
+ {
+ push_cfun (DECL_STRUCT_FUNCTION (node->decl));
+ loop_optimizer_init (AVOID_CFG_MODIFICATIONS);
+ loop_optimizer_finalize ();
+ pop_cfun ();
+ }
+ renumber_gimple_stmt_uids (DECL_STRUCT_FUNCTION (node->decl));
+}
+
/* Output the body of function NODE->DECL. */
static void
gcc_assert (current_function_decl == NULL_TREE && cfun == NULL);
- /* Set current_function_decl and cfun. */
- push_cfun (fn);
-
/* Make string 0 be a NULL string. */
streamer_write_char_stream (ob->string_stream, 0);
debug info. */
if (gimple_has_body_p (function))
{
- /* Fixup loops if required to match discovery done in the reader. */
- loop_optimizer_init (AVOID_CFG_MODIFICATIONS);
-
streamer_write_uhwi (ob, 1);
output_struct_function_base (ob, fn);
statement numbers. We do not assign UIDs to PHIs here because
virtual PHIs get re-computed on-the-fly which would make numbers
inconsistent. */
- set_gimple_stmt_max_uid (cfun, 0);
- FOR_ALL_BB_FN (bb, cfun)
+ set_gimple_stmt_max_uid (fn, 0);
+ FOR_ALL_BB_FN (bb, fn)
{
for (gphi_iterator gsi = gsi_start_phis (bb); !gsi_end_p (gsi);
gsi_next (&gsi))
/* Virtual PHIs are not going to be streamed. */
if (!virtual_operand_p (gimple_phi_result (stmt)))
- gimple_set_uid (stmt, inc_gimple_stmt_max_uid (cfun));
+ gimple_set_uid (stmt, inc_gimple_stmt_max_uid (fn));
}
for (gimple_stmt_iterator gsi = gsi_start_bb (bb); !gsi_end_p (gsi);
gsi_next (&gsi))
{
gimple *stmt = gsi_stmt (gsi);
- gimple_set_uid (stmt, inc_gimple_stmt_max_uid (cfun));
+ gimple_set_uid (stmt, inc_gimple_stmt_max_uid (fn));
}
}
/* To avoid keeping duplicate gimple IDs in the statements, renumber
virtual phis now. */
- FOR_ALL_BB_FN (bb, cfun)
+ FOR_ALL_BB_FN (bb, fn)
{
for (gphi_iterator gsi = gsi_start_phis (bb); !gsi_end_p (gsi);
gsi_next (&gsi))
{
gphi *stmt = gsi.phi ();
if (virtual_operand_p (gimple_phi_result (stmt)))
- gimple_set_uid (stmt, inc_gimple_stmt_max_uid (cfun));
+ gimple_set_uid (stmt, inc_gimple_stmt_max_uid (fn));
}
}
streamer_write_record_start (ob, LTO_null);
output_cfg (ob, fn);
-
- loop_optimizer_finalize ();
- pop_cfun ();
}
else
streamer_write_uhwi (ob, 0);
struct lto_out_decl_state *);
void lto_output_location (struct output_block *, struct bitpack_d *, location_t);
void lto_output_init_mode_table (void);
+void lto_prepare_function_for_streaming (cgraph_node *);
/* In lto-cgraph.c */
+2019-10-11 Jan Hubicka <hubicka@ucw.cz>
+
+ * lto.c (lto_wpa_write_files): Prepare all bodies for streaming.
+
2019-10-10 Richard Biener <rguenther@suse.de>
* lto-common.c (unify_scc): Do not merge anonymous NAMESPACE_DECLs.
timevar_push (TV_WHOPR_WPA_IO);
+ cgraph_node *node;
+ /* Do body modifications needed for streaming before we fork out
+ worker processes. */
+ FOR_EACH_FUNCTION_WITH_GIMPLE_BODY (node)
+ if (gimple_has_body_p (node->decl))
+ lto_prepare_function_for_streaming (node);
+
/* Generate a prefix for the LTRANS unit files. */
blen = strlen (ltrans_output_list);
temp_filename = (char *) xmalloc (blen + sizeof ("2147483648.o"));
{
struct cgraph_node *node = order[i];
- if (gimple_has_body_p (node->decl))
+ if (node->definition && node->need_lto_streaming)
{
- /* When streaming out references to statements as part of some IPA
- pass summary, the statements need to have uids assigned and the
- following does that for all the IPA passes here. Naturally, this
- ordering then matches the one IPA-passes get in their stmt_fixup
- hooks. */
-
- push_cfun (DECL_STRUCT_FUNCTION (node->decl));
- renumber_gimple_stmt_uids ();
- pop_cfun ();
+ if (gimple_has_body_p (node->decl))
+ lto_prepare_function_for_streaming (node);
+ lto_set_symtab_encoder_in_partition (encoder, node);
}
- if (node->definition && node->need_lto_streaming)
- lto_set_symtab_encoder_in_partition (encoder, node);
}
FOR_EACH_DEFINED_FUNCTION (node)
ipa_write_optimization_summaries (lto_symtab_encoder_t encoder)
{
struct lto_out_decl_state *state = lto_new_out_decl_state ();
- lto_symtab_encoder_iterator lsei;
state->symtab_node_encoder = encoder;
lto_output_init_mode_table ();
lto_push_out_decl_state (state);
- for (lsei = lsei_start_function_in_partition (encoder);
- !lsei_end_p (lsei); lsei_next_function_in_partition (&lsei))
- {
- struct cgraph_node *node = lsei_cgraph_node (lsei);
- /* When streaming out references to statements as part of some IPA
- pass summary, the statements need to have uids assigned.
-
- For functions newly born at WPA stage we need to initialize
- the uids here. */
- if (node->definition
- && gimple_has_body_p (node->decl))
- {
- push_cfun (DECL_STRUCT_FUNCTION (node->decl));
- renumber_gimple_stmt_uids ();
- pop_cfun ();
- }
- }
+
+ /* Be sure that we did not forget to renumber stmt uids. */
+ gcc_checking_assert (flag_wpa);
gcc_assert (flag_wpa);
pass_manager *passes = g->get_passes ();
/* Renumber all of the gimple stmt uids. */
void
-renumber_gimple_stmt_uids (void)
+renumber_gimple_stmt_uids (struct function *fun)
{
basic_block bb;
- set_gimple_stmt_max_uid (cfun, 0);
- FOR_ALL_BB_FN (bb, cfun)
+ set_gimple_stmt_max_uid (fun, 0);
+ FOR_ALL_BB_FN (bb, fun)
{
gimple_stmt_iterator bsi;
for (bsi = gsi_start_phis (bb); !gsi_end_p (bsi); gsi_next (&bsi))
{
gimple *stmt = gsi_stmt (bsi);
- gimple_set_uid (stmt, inc_gimple_stmt_max_uid (cfun));
+ gimple_set_uid (stmt, inc_gimple_stmt_max_uid (fun));
}
for (bsi = gsi_start_bb (bb); !gsi_end_p (bsi); gsi_next (&bsi))
{
gimple *stmt = gsi_stmt (bsi);
- gimple_set_uid (stmt, inc_gimple_stmt_max_uid (cfun));
+ gimple_set_uid (stmt, inc_gimple_stmt_max_uid (fun));
}
}
}
#ifndef GCC_TREE_DFA_H
#define GCC_TREE_DFA_H
-extern void renumber_gimple_stmt_uids (void);
+extern void renumber_gimple_stmt_uids (struct function *);
extern void renumber_gimple_stmt_uids_in_blocks (basic_block *, int);
extern void dump_variable (FILE *, tree);
extern void debug_variable (tree);
{
need_eh_cleanup = BITMAP_ALLOC (NULL);
- renumber_gimple_stmt_uids ();
+ renumber_gimple_stmt_uids (cfun);
/* We might consider making this a property of each pass so that it
can be [re]computed on an as-needed basis. Particularly since
memset (&widen_mul_stats, 0, sizeof (widen_mul_stats));
calculate_dominance_info (CDI_DOMINATORS);
- renumber_gimple_stmt_uids ();
+ renumber_gimple_stmt_uids (cfun);
math_opts_dom_walker (&cfg_changed).walk (ENTRY_BLOCK_PTR_FOR_FN (cfun));
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