* builtins.c (expand_builtin_setjmp): Delete.
(expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
<BUILT_IN_SETJMP_SETUP>: New case.
<BUILT_IN_SETJMP_DISPATCHER>: Likewise.
<BUILT_IN_SETJMP_RECEIVER>: Likewise.
* builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
(BUILT_IN_SETJMP_DISPATCHER): Likewise.
(BUILT_IN_SETJMP_RECEIVER): Likewise.
* gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
(lower_function_body): Initialize it to false. If it is set to true
at the end of the processing, emit the setjmp dispatcher.
(lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
is __builtin_setjmp and set calls_builtin_setjmp to true as well.
<MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
on the rhs of the assignment.
(lower_builtin_setjmp): New function.
* tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
* tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
to detect calls that can go to non-local labels. Use specific
helper to create the abnormal edges associated with them.
<MODIFY_EXPR>: Likewise.
(make_abnormal_goto_edges): New function extracted from...
(make_goto_expr_edges): ...here. Call it for computed gotos.
(simple_goto_p): Minor tweak.
(tree_can_make_abnormal_goto): New predicate.
(tree_redirect_edge_and_branch): Return zero on all abnormal edges.
(tree_purge_dead_abnormal_call_edges): New function.
* tree-flow.h (tree_can_make_abnormal_goto): Declare.
(tree_purge_dead_abnormal_call_edges): Likewise.
(make_abnormal_goto_edges): Likewise.
* tree-inline.c (expand_call_inline): Simplify statement frobbing.
Purge all dead abnormal edges if the call was in the last statement.
* tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
(execute_fixup_cfg): If there are non-local labels in the function,
scan the basic blocks and split them at calls that can go to non-local
labels or add missing abnormal call edges. Write down the CFG in the
dump file.
(pass_fixup_cfg): Remove TODO_dump_func flag.
* unwind-sjlj.c: Poison setjmp.
* doc/install.texi (enable-sjlj-exceptions): Use more general wording.
* doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
(TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
(DONT_USE_BUILTIN_SETJMP): Document it.
From-SVN: r117298
2005-07-02 Zack Weinberg <zack@codesourcery.com>
Joseph S. Myers <joseph@codesourcery.com>
* toplev.c (default_tree_printer): Handle setting location with
'+' flag.
* c-objc.common.c (c_tree_printer): Likewise.
* c-format.c (gcc_diag_flag_specs): Add '+'.
(gcc_cdiag_char_table): Allow '+' flag for tree formats.
(format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
formats.
* c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
config/v850/v850.c, function.c, stor-layout.c, toplev.c,
tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
of diagnostics. Use %q+D not %s for a decl. Do not pass excess
format arguments where %J is used without %D.
cp:
* error.c (location_of): Add comment.
(locate_error, cp_error_at, cp_warning_at, cp_pedwarn_at): Remove.
* cp-tree.h (cp_error_at, cp_warning_at, cp_pedwarn_at): Remove.
* call.c, class.c, decl.c, decl2.c, friend.c, init.c,
name-lookup.c, parser.c, pt.c, search.c, semantics.c, typeck.c,
typeck2.c: Use '+' flag instead of %J, cp_error_at, cp_warning_at
or cp_pedwarn_at. Mark up some diagnostic strings with N_.
java:
* class.c, decl.c, expr.c: Use '+' flag instead of %J. Use 'q'
flag for quoting.
objc:
* objc-act.c: Use '+' flag instead of %J. Use 'q' flag for
quoting.
testsuite:
* gcc.dg/format/gcc_diag-1.c: Update.
From-SVN: r101532
* function.h (struct function): Add saved blocks/unexpanded var list.
* gimple-low.c (record_vars): Insert only VAR_DECLs.
* tree-inline.c (add_lexical_block): Declare; do not clear sublocks.
(remap_decl): Do not declare vars.
(remap_block): Do not care inserting blocks.
(remap_blocks): New function.
(copy_body_r): Update debug info.
(expand_call_inline): Duplicate callee block tree into caller;
copy all the unexpanded_var_list.
(save_body): Save unexpanded_var_list and blocks.
* tree-optimize.c (tree_rest_of_optimization): Restore
blocks/unexpanded_var_list.
From-SVN: r101449
* cgraph.c (cgraph_remove_node): Do not release function bodies until
full cgraph is built.
* cgraph.h (cgraph_decide_inlining_incrementally): Add early argument.
* cgraphunit.c (cgraph_finalize_function): Update call of
cgraph_decide_inlining_incrementally.
(initialize_inline_failed): Break out of ...
(cgraph_analyze_function): ... here.
(rebuild_cgraph_edges): New function.
(pass_rebuild_cgraph_edges): New pass.
* common.opt (fearly-inlining): New flag.
* ipa-inline.c: Include ggc.h
(cgraph_clone_inlined_nodes): Avoid re-using of original copy
when cgraph is not fully built.
(cgraph_decide_inlining_incrementally): Add early mode.
(cgraph_early_inlining): New function.
(cgraph_gate_early_inlining): Likewise.
(pass_early_ipa_inline): New pass.
* ipa.c (cgraph_postorder): NULLify aux pointer.
* tree-inline.c (expand_call_inline): Avoid warning early.
* tree-optimize.c (pass_early_local_passes): New.
(execute_cleanup_cfg_pre_ipa): New.
(pass_cleanup_cfg): New.
(register_dump_files): Fix handling subpasses of IPA pass.
(init_tree_optimization_passes): Add early passes.
(execute_ipa_pass_list): Fix handling of subpasses of IPA pass.
* passes.h (pass_early_tree_profile, pass_rebuild_cgraph_edges,
pass_early_ipa_inline): New passes.
* tree-profile.c (do_early_tree_profiling, pass_early_tree_profile): New.
* invoke.texi: Document early-inlining.
From-SVN: r101369
* tree-optimize.c (init_tree_optimization_passes): Move
copy prop pass to run just before VRP.
* tree-vrp.c (remove_range_assertions): Remove copies created
by ASSERT_EXPR removal.
* gcc.dg/tree-ssa/vrp16.c: New test.
From-SVN: r101277
PR c++/19317
Leave the return slot target in the MODIFY_EXPR rather than making
it an argument, but only use it if the CALL_EXPR has a flag set.
* tree.h (CALL_EXPR_HAS_RETURN_SLOT_ADDR): Rename to
CALL_EXPR_RETURN_SLOT_OPT.
* calls.c (expand_call): Adjust.
* tree-inline.c (expand_call_inline): Adjust.
* tree-pretty-print.c (dump_generic_node): Adjust.
And set the flag as appropriate.
* gimplify.c (gimplify_modify_expr_rhs): Set
CALL_EXPR_HAS_RETURN_SLOT_ADDR where the LHS is obviously safe.
* tree-nrv.c (execute_return_slot_opt): Set
CALL_EXPR_HAS_RETURN_SLOT_ADDR based on escape analysis.
* tree-pass.h: Declare pass_return_slot.
* tree-optimize.c (init_tree_optimization_passes): Add it.
* cp/semantics.c (simplify_aggr_init_expr): Use
CALL_EXPR_RETURN_SLOT_OPT, not CALL_EXPR_HAS_RETURN_SLOT_ADDR.
From-SVN: r101269
2005-05-29 Keith Besaw <kbesaw@us.ibm.com>
* tree-ssa-alias.c (new_type_alias): New procedure to
create a type memory tag for a pointer with a may-alias
set determined from a variable declaration.
* tree-flow.h: export declaration of new_type_alias
* tree-optimize.c (init_tree_optimization_passes): document
that pass_may_alias cannot be called after pass_vectorize.
* tree-vect-transform (vect_create_data_ref_ptr): Call
new_type_alias when an type memory tag isn't available
for a reference.
(vectorizable_store): Use copy_virtual_operands to update
virtual defs in place (so that loop_version can be called).
Call mark_for_renaming for the virtual defs in case peeling
is done and virtual uses outside the loop need to be updated.
From-SVN: r100322
* cgraph.h (cgraph_node): Add 'lowered' state.
(cgraph_lower_function): Declare.
* cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
(cgraph_lower_function): New function.
(cgraph_create_edges): Deal with lowered function bodies.
(verify_cgraph_node): Likewise.
(cgraph_analyze_function): Do lowering job.
(cgraph_build_static_cdtor): Likewise.
* function.h (struct function): Add saved_eh and saved_cfg.
* integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
* tree-cfg.c (fold_cond_expr_cond): Export.
* tree-flow.h (fold_cond_expr_cond): Declare.
* tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
pointer-set.
(struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
callee_cfun, block, eh_region, eh_region_offset.
(inlining_p): New predicate.
(remap_decl): Update for new inline_data; declare newly created inline
vars in low gimple way.
(copy_body_r): Update for new datastructure, simplify some of handling
when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
deal with RESX_EXPRs.
(copy_bb): New.
(copy_edges_for_bb): Likewise.
(remap_decl_1): New.
(copy_cfg_body): New.
(copy_generic_body): Rewrite to work on low gimple.
(copy_body): Turn into simple wrapper around copy_cfg_body.
(setup_one_parameter): Insert new statements into given basic block.
(initialize_initialized_parameters): Likewise, reorganize way things are
gimplified.
(declare_return_variable): Update for new inline data datastructure.
(inline_forbidden_p): Work on low gimple.
(estimate_num_insns): Likewise.
(expand_call_inline): Work on CFG.
(push_cfun, pop_cfun): New functions.
(cfun_stack): New stack.
(add_lexical_block): New function.
(gimple_expand_calls_inline): Work on basic block.
(optimize_inline_calls): Likewise.
(clone_body, save_body, unsave_ewpr_now): Update for new
datastructures.
(declare_inline_vars): Work on block instead of bind_expr.
(inlining_p): New predicate.
* tree-inline.h (push_cfun, pop_cfun): Declare.
* tree-optimize.c: Include except.h
(all_lowering_passes): New variable.
(execute_fixup_cfg, pass_fixup_cfg): New pass.
(init_tree_optimization_passes): Move some to all_lowering_passes.
(tree_lowering_passes): New function.
(tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
Co-Authored-By: Dale Johannesen <dalej@apple.com>
Co-Authored-By: Jan Hubicka <jh@suse.cz>
Co-Authored-By: Stuart Hastings <stuart@apple.com>
From-SVN: r99840
gcc:
2005-05-17 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in: Add tree-ssa-math-opts.c.
* expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
* fold-const.c (distribute_real_division): New.
(fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
* tree-pass.h (pass_cse_reciprocals): New.
* tree-optimize.c (init_tree_optimization_passes): Run it.
* tree-ssa-math-opts.c: New file.
* doc/passes.texi: Document the new pass.
gcc/testsuite:
2005-05-17 Paolo Bonzini <bonzini@gnu.org>
* gcc.dg/fold-div-1.c, gcc.dg/recip-1.c, gcc.dg/recip-2.c: New.
From-SVN: r99826
* except.c (duplicate_eh_region_1, duplicate_eh_region_2,
duplicate_eh_regions): New functions, based on old
implementation removed with RTL inliner.
(reachable_next_level): Modify behaviour pre-inline.
* except.h (duplicate_eh_regions_map, duplicate_eh_regions):
Declare.
* function.h (struct function): Add after_inlining flag.
* tree-optimize.c (tree_rest_of_compilation): Set it.
* tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
when needed.
* tree-cfg.c (label_to_block_fn): Deal with cases where
label was never insterted into code.
Co-Authored-By: Jan Hubicka <jh@suse.cz>
Co-Authored-By: Stuart Hastings <stuart@apple.com>
From-SVN: r99625
* cgraphunit.c: Include tree-pass.h
(cgraph_decide_recursive_inlining,
cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
cgraph_decide_inlining): Dump goes to dump_file.
(cgraph_optimize): Call ipa passes instead of inliner.
(cgraph_gate_inlining, pass_ipa_inline): New.
* tree-optimize.c (all_ipa_passes): New static variable.
(register_one_dump_file): Dead with IPA passes.
(register_dump_files): Likewise.
(init_tree_optimization_passes): Initialize IPA passes.
(execute_todo): Do cgraph dump when asked to, do not dump function body
for IPA pass.
* tree-pass.h (TODO_dump_cgraph): New macro.
(ipa_passes): Declare.
* Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
From-SVN: r98501
* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
and TI_VA_LIST_FPR_COUNTER_FIELD.
(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
* tree-pass.h (pass_stdarg): Add.
* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
* tree-stdarg.c: New file.
* tree-stdarg.h: New file.
* Makefile.in (OBJS-common): Add tree-stdarg.o.
(tree-stdarg.o): Add dependencies.
* function.h (struct function): Add va_list_gpr_size and
va_list_fpr_size fields.
* function.c (allocate_struct_function): Initialize them.
* target.h (struct gcc_target): Add stdarg_optimize_hook.
* target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
(TARGET_INITIALIZER): Add it.
* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(ix86_setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(ix86_va_start): Don't set up fields that won't be used.
* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(rs6000_va_start): Don't set up fields that won't be used.
* config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
(alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
(va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
(TARGET_STDARG_OPTIMIZE_HOOK): Define.
* gcc.dg/tree-ssa/stdarg-1.c: New test.
* gcc.dg/tree-ssa/stdarg-2.c: New test.
* gcc.dg/tree-ssa/stdarg-3.c: New test.
* gcc.dg/tree-ssa/stdarg-4.c: New test.
* gcc.dg/tree-ssa/stdarg-5.c: New test.
* gcc.c-torture/execute/stdarg-4.c: New test.
* gcc.dg/vmx/varargs-1.c (f1, f2, f3): Add missing va_end.
From-SVN: r97916
Merge from tree-cleanup-branch: VRP, store CCP, store
copy-prop, incremental SSA updating of FUD chains and
newly exposed symbols.
* Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
(OBJS-common): Add tree-vrp.o.
(tree-vrp.o): New rule.
* basic-block.h (nearest_common_dominator_for_set): Declare.
* common.opt (ftree-store-ccp): New flag.
(ftree-copy-prop): New flag.
(ftree-vrp): New flag.
(ftree-store-copy-prop): New flag.
* dominance.c (nearest_common_dominator_for_set): New.
* domwalk.c (walk_dominator_tree): Only traverse
statements in blocks marked in walk_data->interesting_blocks.
* domwalk.h (struct dom_walk_data): Add field interesting_blocks.
* fold-const.c (fold): Handle ASSERT_EXPR.
* opts.c (decode_options): Set flag_tree_copy_prop at -O1.
Set flag_tree_store_ccp, flag_tree_store_copy_prop and
flag_tree_vrp at -O2.
* timevar.def (TV_TREE_VRP): Define.
(TV_TREE_COPY_PROP): Define.
(TV_TREE_STORE_COPY_PROP): Define.
(TV_TREE_SSA_INCREMENTAL): Define.
(TV_TREE_STORE_CCP): Define.
* tree-cfg.c (tree_can_merge_blocks_p): Remove reference
to kill_redundant_phi_nodes from comment.
(verify_expr): Handle ASSERT_EXPR.
* tree-dfa.c (mark_new_vars_to_rename): Remove second
argument. Update all users.
(mark_call_clobbered_vars_to_rename): Remove. Update all
users.
* tree-flow-inline.h (unmodifiable_var_p): New.
* tree-flow.h (enum value_range_type): Declare.
(struct value_range_def): Declare.
(value_range): Declare.
(remove_all_phi_nodes_for): Remove. Update all users.
(find_phi_node_for): Declare.
(add_type_alias): Declare.
(count_uses_and_derefs): Declare.
(kill_redundant_phi_nodes): Remove.
(rewrite_into_ssa): Remove.
(rewrite_def_def_chains): Remove.
(update_ssa, register_new_name_mapping, create_new_def_for,
need_ssa_update_p, name_registered_for_update_p,
release_ssa_name_after_update_ssa, dump_repl_tbl,
debug_repl_tbl, dump_names_replaced_by,
debug_names_replaced_by, mark_sym_for_renaming,
mark_set_for_renaming, get_current_def, set_current_def,
get_value_range, dump_value_range, debug_value_range,
dump_all_value_ranges, debug_all_value_ranges,
expr_computes_nonzero, loop_depth_of_name,
unmodifiable_var_p): Declare.
* tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
ASSERT_EXPR.
* tree-into-ssa.c (block_defs_stack): Update comment.
(old_ssa_names, new_ssa_names, old_virtual_ssa_names,
syms_to_rename, names_to_release, repl_tbl,
need_to_initialize_update_ssa_p, need_to_update_vops_p,
need_to_replace_names_p): New locals.
(NAME_SETS_GROWTH_FACTOR): Define.
(struct repl_map_d): Declare.
(struct mark_def_sites_global_data): Add field
interesting_blocks.
(enum rewrite_mode): Declare.
(REGISTER_DEFS_IN_THIS_STMT): Define.
(compute_global_livein): Use last_basic_block instead of
n_basic_blocks.
(set_def_block): Remove last argument. Update all callers.
(prepare_use_operand_for_rename): Remove. Update all callers.
(prepare_def_operand_for_rename): Remove. Update all callers.
(symbol_marked_for_renaming): New.
(is_old_name): New.
(is_new_name): New.
(repl_map_hash): New.
(repl_map_eq): New.
(repl_map_free): New.
(names_replaced_by): New.
(add_to_repl_tbl): New.
(add_new_name_mapping): New.
(mark_def_sites): Assume that all the operands in the
statement are in normal form.
(find_idf): Assert that the block in the stack is valid.
(get_default_def_for): New.
(insert_phi_nodes_for): Add new argument 'update_p'.
Add documentation.
If update_p is true, add a new mapping between the LHS of
each new PHI and the name that it replaces.
(insert_phi_nodes_1): Only call find_idf if needed.
(get_reaching_def): Call get_default_def_for.
(rewrite_operand): Remove.
(rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
and REWRITE_THIS_STMT are false.
Assume that all the operands in the statement are in
normal form.
(rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
(rewrite_virtual_phi_arguments): Remove.
(invalidate_name_tags): Remove.
(register_new_update_single, register_new_update_set,
rewrite_update_init_block, replace_use,
rewrite_update_fini_block, rewrite_update_stmt,
rewrite_update_phi_arguments): New.
rewrite_blocks): Remove argument 'fix_virtual_phis'.
Add arguments 'entry', 'what' and 'blocks'.
Initialize the dominator walker according to 'what' and
'blocks'.
Start the dominator walk at 'entry'.
(mark_def_site_blocks): Add argument 'interesting_blocks'.
Use it to configure the dominator walker.
(rewrite_into_ssa): Remove argument 'all'.
Make internal.
(rewrite_all_into_ssa): Remove.
(rewrite_def_def_chains): Remove.
(mark_def_interesting, mark_use_interesting,
prepare_phi_args_for_update, prepare_block_for_update,
prepare_def_site_for, prepare_def_sites,
dump_names_replaced_by, debug_names_replaced_by,
dump_repl_tbl, debug_repl_tbl, init_update_ssa,
delete_update_ssa, create_new_def_for,
register_new_name_mapping, mark_sym_for_renaming,
mark_set_for_renaming, need_ssa_update_p,
name_registered_for_update_p, ssa_names_to_replace,
release_ssa_name_after_update_ssa,
insert_updated_phi_nodes_for, update_ssa): New.
* tree-loop-linear.c (linear_transform_loops): Call
update_ssa instead of rewrite_into_ssa.
* tree-optimize.c (vars_to_rename): Remove.
Update all users.
(init_tree_optimization_passes): Replace
pass_redundant_phi with pass_copy_prop.
Add pass_vrp.
Replace pass_ccp with pass_store_ccp.
Add pass_store_copy_prop after pass_store_ccp.
(execute_todo): If the TODO_ flags don't include updating
the SSA form, assert that it does not need to be updated.
Call update_ssa instead of rewrite_into_ssa and
rewrite_def_def_chains.
If TODO_verify_loops is set, call verify_loop_closed_ssa.
(tree_rest_of_compilation):
* tree-pass.h (TODO_dump_func, TODO_ggc_collect,
TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
TODO_cleanup_cfg): Renumber.
(TODO_verify_loops, TODO_update_ssa,
TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
TODO_update_ssa_only_virtuals): Define.
(pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
Declare.
* tree-phinodes.c (make_phi_node): Update documentation.
(remove_all_phi_nodes_for): Remove.
(find_phi_node_for): New.
* tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
(interpret_rhs_modify_expr): Likewise.
* tree-sra.c (decide_instantiations): Mark all symbols in
SRA_CANDIDATES for renaming.
(mark_all_v_defs_1): Rename from mark_all_v_defs.
(mark_all_v_defs): New function. Update all users to call it
with the whole list of scalarized statements, not just the
first one.
* tree-ssa-alias.c (count_ptr_derefs): Make extern.
(compute_flow_insensitive_aliasing): If the tag is
unmodifiable and the variable isn't or vice-versa, don't
make them alias of each other.
(setup_pointers_and_addressables): If the type tag for
VAR is about to change, mark the old one for renaming.
(add_type_alias): New.
* tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
(ccp_lattice_t): Rename from latticevalue.
(value): Remove. Update all users.
(const_val): New local variable.
(do_store_ccp): New local variable.
(dump_lattice_value): Handle UNINITIALIZED.
(debug_lattice_value): New.
(get_default_value): Re-write.
(set_lattice_value): Re-write.
(def_to_varying): Remove. Update all users.
(likely_value): Return VARYING for statements that make
stores when STORE_CCP is false.
Return VARYING for any statement other than MODIFY_EXPR,
COND_EXPR and SWITCH_EXPR.
(ccp_initialize): Re-write.
(replace_uses_in, replace_vuse_in, substitute_and_fold):
Move to tree-ssa-propagate.c.
(ccp_lattice_meet): Handle memory stores when
DO_STORE_CCP is true.
(ccp_visit_phi_node): Likewise.
(ccp_fold): Likewise.
(evaluate_stmt): Likewise.
(visit_assignment): Likewise.
(ccp_visit_stmt): Likewise.
(execute_ssa_ccp): Add argument 'store_ccp'. Copy it
into DO_STORE_CCP.
(do_ssa_ccp): New.
(pass_ccp): Use it.
(do_ssa_store_ccp): New.
(gate_store_ccp): New.
(pass_store_ccp): Declare.
* tree-ssa-copy.c: Include tree-ssa-propagate.h.
(may_propagate_copy): Reformat.
Don't abort if ORIG is a virtual and DEST isn't.
If NEW does not have alias information but DEST does,
copy it.
(copy_of, cached_last_copy_of, do_store_copy_prop, enum
copy_prop_kind, which_copy_prop): Declare.
(stmt_may_generate_copy, get_copy_of_val,
get_last_copy_of, set_copy_of_val, dump_copy_of,
copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
copy_prop_visit_stmt, copy_prop_visit_phi_node,
init_copy_prop, fini_copy_prop, execute_copy_prop,
gate_copy_prop, do_copy_prop, gate_store_copy_prop,
store_copy_prop): New.
(pass_copy_prop, pass_store_copy_prop): Declare.
* tree-ssa-dom.c (struct opt_stats_d): Add fields
'num_const_prop' and 'num_copy_prop'.
(cprop_operand): Update them.
(dump_dominator_optimization_stats): Dump them.
(tree_ssa_dominator_optimize): Call update_ssa instead of
rewrite_into_ssa.
(loop_depth_of_name): Declare extern.
(simplify_cond_and_lookup_avail_expr): Guard against NULL
values for LOW or HIGH.
(cprop_into_successor_phis): Only propagate if NEW != ORIG.
(record_equivalences_from_stmt): Call expr_computes_nonzero.
(cprop_operand): Only propagate if VAL != OP.
* tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
statement for renaming.
* tree-ssa-loop-im.c (move_computations): Call update_ssa.
* tree-ssa-loop-ivopts.c (rewrite_address_base): Call
add_type_alias if necessary.
Call mark_new_vars_to_rename.
(tree_ssa_iv_optimize): If new symbols need to be renamed,
mark every statement updated, call update_ssa and
rewrite_into_loop_closed_ssa.
* tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
from LIVEIN if VAR is a virtual.
* tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
* tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
(get_call_expr_operands): Reformat statement.
(add_stmt_operand): Don't create V_MAY_DEFs for read-only
symbols.
* tree-ssa-propagate.c (ssa_prop_init): Initialize
SSA_NAME_VALUE for every name.
(first_vdef, stmt_makes_single_load, stmt_makes_single_store,
get_value_loaded_by): New.
(replace_uses_in, replace_vuses_in, replace_phi_args_in,
substitute_and_fold): Move from tree-ssa-ccp.c.
* tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
first_vdef, stmt_makes_single_load, stmt_makes_single_store,
get_value_loaded_by, replace_uses_in, substitute_and_fold):
Declare.
* tree-ssa.c (verify_use): Fix error message.
(propagate_into_addr, replace_immediate_uses, get_eq_name,
check_phi_redundancy, kill_redundant_phi_nodes,
pass_redundant_phi): Remove. Update all users.
* tree-vect-transform.c (vect_create_data_ref_ptr): Call
add_type_alias, if necessary.
* tree-vectorizer.h (struct _stmt_vect_info): Update
documentation for field 'memtag'.
* tree-vrp.c: New file.
* tree.def (ASSERT_EXPR): Define.
* tree.h (ASSERT_EXPR_VAR): Define.
(ASSERT_EXPR_COND): Define.
(SSA_NAME_VALUE_RANGE): Define.
(struct tree_ssa_name): Add field 'value_range'.
(PHI_REWRITTEN): Remove.
(struct tree_phi_node): Remove field 'rewritten'.
* doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
-ftree-store-copy-prop): Document.
* doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
Document usage of update_ssa.
testsuite/ChangeLog
* g++.dg/tree-ssa/pr18178.C: New test.
* gcc.c-torture/execute/20030216-1.x: Ignore at -O1.
* gcc.c-torture/execute/20041019-1.c: New test.
* gcc.dg/tree-ssa/20041008-1.c: New test.
* gcc.dg/tree-ssa/ssa-ccp-12.c: New test.
* gcc.dg/tree-ssa/20030731-2.c: Update to use -fdump-tree-store_ccp.
* gcc.dg/tree-ssa/20030917-1.c: Likewise.
* gcc.dg/tree-ssa/20030917-3.c: Likewise.
* gcc.dg/tree-ssa/20040721-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-2.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-7.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-9.c: Likewise.
From-SVN: r97884
