cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.

	* cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
	(build_cgraph_edges): Likewise.
	* cgraph.c (cgraph_node): Do not update assembler hash.
	(cgraph_remove_node): Drop non-unit-at-a-time code.
	* tree-pass.h (pass_O0_always_inline): Remove.
	* ipa-reference.c (gate_reference): Remove unit-at-a-time check.
	* toplev.c (process_options): Flag unit-at-a-time does not imply
	no section anchors.
	* cgraphunit.c: Update comments.
	(decide_is_function_needed): Drop non-unit-at-a-time mode.
	(cgraph_assemble_pending_functions): Remove.
	(cgraph_reset_node): Drop non-unit-at-a-time code.
	(cgraph_finalize_function): Likewise.
	(cgraph_analyze_function): Likewise.
	(cgraph_finalize_compilation_unit): Likewise.
	(cgraph_expand_function): Likewise.
	(cgraph_optimize): Likesise.
	(save_inline_function_body): Likewise.
	* ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
	* tree-ssa-alias.c (maybe_be_aliased): Likewise.
	* ipa-inline.c: Update comments.
	(enum inlining_mode): remove INLINE_SPEED.
	(cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
	(cgraph_mark_inline_edge): Likewise.
	(try_inline): Likewise.
	(cgraph_decide_inlining_incrementally): Likewise.
	(cgraph_gate_inlining): Remove.
	(cgraph_early_inlining): Remove flag_unit_at_a_time checks.
	(cgraph_gate_early_inlining): Likewise.
	(gate_inline_passes): Remove.
	(pass_inline_parameters, pass_ipa_inline): Remove gates.
	(cgraph_gate_O0_always_inline, cgraph_O0_always_inline, 
	pass_O0_always_inline): Remove.
	* c-pch.c (c_pch_matching): Remove -funit-at-a-time.
	* dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
	* opts.c (no_unit_at_a_time_default): Remove.
	(decode_options): Remove flag_unit_at_a_time reset and warning.
	* opts.h (no_unit_at_a_time_default): Remove.
	* c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
	early in GNU dialect.
	(merge_decls): Update comment; drop unit-at-a-time check.
	(finish_decl): Likewise.
	(grok_declaration): Remove flag_inline_trees code.
	(finish_functions): Return on function returning non-void on all
	statics.
	* ipa-tye-escape.c (gate_type_escape_vars): Remove.
	* cfgexpand.c (expand_one_static_var): Remove.
	(expand_one_var): Remove expand_one_static_var call.
	(expand_used_vars_for_block): Remove flag_unit_a_time check.
	* c-opts.c (c_common_post_options): Remove flag_inline_trees code
	and flag_unit_at_a-time compatibility checks.
	* varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
	* tree-inline.c (flag_inline_trees): Remove.
	(inlinable_function_p): Don't check it.
	(expand_call_inline): Remove non-unit-at-a-time code.
	* tree-inline.h (flag_inline_trees): Remove.
	* tree-optimize.c (execute_early_local_optimizations): Remove
	unit-at-a-time checks.
	(tree_rest_of_compilation): Likewise.
	* combine.c (setup_incoming_promotions): Likewise.
	* tree-profile.c (tree_gen_ic_func_profiler): Likewise.
	* tree-ssa-structalias.c (delete_points_to_sets): Likewise.
	* passes.c (pass_inline_parameters): Update comments; remove
	O0_alwaysinline pass.
	(execute_one_ipa_transform_pass): Do not reset in_gimple_form.
	(execute_one_pass): Likewise.
	* i386.c (ix86_function_regparm): Remove unit-at-a-time check.
	(ix86_function_sseregparm): Likewise.
	* arm.c (arm_function_in_section_p): Likewise.
	* bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
	* varpool.c: Update comments.
	(decide_is_variable_needed): Remove unit-at-a-time checks.
	(varpool_finalize_decl): Likewise.

	* ada/utils.c (end_subprog_body): Remove inline trees check.
	* ada/misc.c (gnat_post_options): Do not set flag_inline_trees.

	* fortran/options.c (gfc_post_options): Remove flag_unline_trees code.

	* gcc.dg/winline-4.c: Remove.
	* gcc.dg/pch/valid-3.hs: Remove.
	* gcc.dg/pch/valid-3.c: Remove.
	* g++.old-deja/g++.brendan/crash52.C: Accept returning void warning
	* g++.old-deja/g++.jason/report.C: Likewise.
	* testsuite/g++.dg/warn/pr23075.C: We get returning void warning
	instead of control flow warning.


	* cp/decl.c (duplicate_decls): Update comment and unit-at-a-time.
	(grogfndecl): Drop flag_inline_trees code.
	* cp/pt.c (instantiate_decl): Drop flag_iline_trees code.
	* cp/lex.c (cxx_init): Do not set unit-at-a-time.


	* java/decl.c: Include cgraph.h
	(end_java_method): Remove non-unit-at-a-time code.
	(java_mark_decl_local): Likewise; sanity check that we don't touch
	finalized nodes.

From-SVN: r138140

1 files changed, 3 insertions, 28 deletions

diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
index b5eb033..5eff3ca 100644
--- a/gcc/tree-inline.c
+++ b/gcc/tree-inline.c
@@ -90,13 +90,6 @@ along with GCC; see the file COPYING3.  If not see
 
    See the CALL_EXPR handling case in copy_body_r ().  */
 
-/* 0 if we should not perform inlining.
-   1 if we should expand functions calls inline at the tree level.
-   2 if we should consider *all* functions to be inline
-   candidates.  */
-
-int flag_inline_trees = 0;
-
 /* To Do:
 
    o In order to make inlining-on-trees work, we pessimized
@@ -2100,24 +2093,6 @@ inlinable_function_p (tree fn)
   if (!DECL_SAVED_TREE (fn))
     return false;
 
-  /* If we're not inlining at all, then we cannot inline this function.  */
-  else if (!flag_inline_trees)
-    inlinable = false;
-
-  /* Only try to inline functions if DECL_INLINE is set.  This should be
-     true for all functions declared `inline', and for all other functions
-     as well with -finline-functions.
-
-     Don't think of disregarding DECL_INLINE when flag_inline_trees == 2;
-     it's the front-end that must set DECL_INLINE in this case, because
-     dwarf2out loses if a function that does not have DECL_INLINE set is
-     inlined anyway.  That is why we have both DECL_INLINE and
-     DECL_DECLARED_INLINE_P.  */
-  /* FIXME: When flag_inline_trees dies, the check for flag_unit_at_a_time
-	    here should be redundant.  */
-  else if (!DECL_INLINE (fn) && !flag_unit_at_a_time)
-    inlinable = false;
-
   else if (inline_forbidden_p (fn))
     {
       /* See if we should warn about uninlinable functions.  Previously,
@@ -2674,7 +2649,7 @@ expand_call_inline (basic_block bb, tree stmt, tree *tp, void *data)
          where previous inlining turned indirect call into direct call by
          constant propagating arguments.  In all other cases we hit a bug
          (incorrect node sharing is most common reason for missing edges.  */
-      gcc_assert (dest->needed || !flag_unit_at_a_time);
+      gcc_assert (dest->needed);
       cgraph_create_edge (id->dst_node, dest, stmt,
 			  bb->count, CGRAPH_FREQ_BASE,
 			  bb->loop_depth)->inline_failed
@@ -2699,7 +2674,7 @@ expand_call_inline (basic_block bb, tree stmt, tree *tp, void *data)
 
       if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn))
 	  /* Avoid warnings during early inline pass. */
-	  && (!flag_unit_at_a_time || cgraph_global_info_ready))
+	  && cgraph_global_info_ready)
 	{
 	  sorry ("inlining failed in call to %q+F: %s", fn, reason);
 	  sorry ("called from here");
@@ -2709,7 +2684,7 @@ expand_call_inline (basic_block bb, tree stmt, tree *tp, void *data)
 	       && strlen (reason)
 	       && !lookup_attribute ("noinline", DECL_ATTRIBUTES (fn))
 	       /* Avoid warnings during early inline pass. */
-	       && (!flag_unit_at_a_time || cgraph_global_info_ready))
+	       && cgraph_global_info_ready)
 	{
 	  warning (OPT_Winline, "inlining failed in call to %q+F: %s",
 		   fn, reason);