From: Richard Guenther <rguenther@suse.de>
Date: Fri, 18 May 2012 10:19:22 +0000 (+0000)
Subject: tree-flow.h (mark_symbols_for_renaming): Remove.
X-Git-Tag: upstream/12.2.0~76221
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f9a21e134266e384f0bb40378621b64994b27daa;p=platform%2Fupstream%2Fgcc.git

tree-flow.h (mark_symbols_for_renaming): Remove.

2012-05-18  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (mark_symbols_for_renaming): Remove.
	* tree-dfa.c (mark_symbols_for_renaming): Likewise.
	* tree-inline.c (copy_edges_for_bb): Do not mark symbols for
	renaming.
	(copy_debug_stmt): Likewise.
	(expand_call_inline): Likewise.
	(declare_return_variable): Mark the return variable for renaming
	if necessary.

From-SVN: r187650
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dd9f3f5..3caf366 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,14 @@
+2012-05-18  Richard Guenther  <rguenther@suse.de>
+
+	* tree-flow.h (mark_symbols_for_renaming): Remove.
+	* tree-dfa.c (mark_symbols_for_renaming): Likewise.
+	* tree-inline.c (copy_edges_for_bb): Do not mark symbols for
+	renaming.
+	(copy_debug_stmt): Likewise.
+	(expand_call_inline): Likewise.
+	(declare_return_variable): Mark the return variable for renaming
+	if necessary.
+
 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
 
 	* config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c
index d588b66..007b819 100644
--- a/gcc/tree-dfa.c
+++ b/gcc/tree-dfa.c
@@ -624,23 +624,6 @@ remove_referenced_var (tree var)
 }
 
 
-/* Mark all the naked symbols in STMT for SSA renaming.  */
-
-void
-mark_symbols_for_renaming (gimple stmt)
-{
-  tree op;
-  ssa_op_iter iter;
-
-  update_stmt (stmt);
-
-  /* Mark all the operands for renaming.  */
-  FOR_EACH_SSA_TREE_OPERAND (op, stmt, iter, SSA_OP_ALL_OPERANDS)
-    if (DECL_P (op))
-      mark_sym_for_renaming (op);
-}
-
-
 /* If EXP is a handled component reference for a structure, return the
    base variable.  The access range is delimited by bit positions *POFFSET and
    *POFFSET + *PMAX_SIZE.  The access size is *PSIZE bits.  If either
diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h
index 09bc1d0..faa06ae 100644
--- a/gcc/tree-flow.h
+++ b/gcc/tree-flow.h
@@ -493,7 +493,6 @@ extern void dump_variable (FILE *, tree);
 extern void debug_variable (tree);
 extern bool add_referenced_var (tree);
 extern void remove_referenced_var (tree);
-extern void mark_symbols_for_renaming (gimple);
 extern tree make_rename_temp (tree, const char *);
 extern void set_default_def (tree, tree);
 extern tree gimple_default_def (struct function *, tree);
diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
index 045f194..060b6e5 100644
--- a/gcc/tree-inline.c
+++ b/gcc/tree-inline.c
@@ -1921,11 +1921,7 @@ copy_edges_for_bb (basic_block bb, gcov_type count_scale, basic_block ret_bb)
 
       copy_stmt = gsi_stmt (si);
       if (!is_gimple_debug (copy_stmt))
-	{
-	  update_stmt (copy_stmt);
-	  if (gimple_in_ssa_p (cfun))
-	    mark_symbols_for_renaming (copy_stmt);
-	}
+	update_stmt (copy_stmt);
 
       /* Do this before the possible split_block.  */
       gsi_next (&si);
@@ -2397,8 +2393,6 @@ copy_debug_stmt (gimple stmt, copy_body_data *id)
   processing_debug_stmt = 0;
 
   update_stmt (stmt);
-  if (gimple_in_ssa_p (cfun))
-    mark_symbols_for_renaming (stmt);
 }
 
 /* Process deferred debug stmts.  In order to give values better odds
@@ -2961,6 +2955,11 @@ declare_return_variable (copy_body_data *id, tree return_slot, tree modify_dest,
       TREE_ADDRESSABLE (var) = 1;
       var = build_fold_addr_expr (var);
     }
+  else if (gimple_in_ssa_p (cfun)
+	   && is_gimple_reg (var))
+    /* ???  Re-org id->retval and its special handling so that we can
+       record an SSA name directly and not need to invoke the SSA renamer.  */
+    mark_sym_for_renaming (var);
 
  done:
   /* Register the VAR_DECL as the equivalent for the RESULT_DECL; that
@@ -4032,8 +4031,6 @@ expand_call_inline (basic_block bb, gimple stmt, copy_body_data *id)
       gimple old_stmt = stmt;
       stmt = gimple_build_assign (gimple_call_lhs (stmt), use_retvar);
       gsi_replace (&stmt_gsi, stmt, false);
-      if (gimple_in_ssa_p (cfun))
-	mark_symbols_for_renaming (stmt);
       maybe_clean_or_replace_eh_stmt (old_stmt, stmt);
     }
   else