* cgraphbuild.c (rebuild_cgraph_edges): Export.

	* cgraph.h (rebuild_cgraph_edges): Declare.
	* tree-pass.h (pass_expand_omp_ssa): New.
	* omp-low.c (find_omp_clause): Export.
	(copy_var_decl): Split from omp_copy_decl_2.
	(build_omp_barrier): Return the call to emit instead of emitting
	it directly.
	(lower_rec_input_clauses, expand_omp_single): Gimplify the result of
	build_omp_barrier.
	(extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
	expand_omp_for_generic, expand_omp_for_static_nochunk,
	expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
	Adapted to work on SSA form.
	(execute_expand_omp): Do not invalidate dominance information.
	(gate_expand_omp): Do not run with -fopenmp-ssa flag.
	(gate_expand_omp_ssa, pass_expand_omp_ssa): New.
	* gimplify.c (gimplify_omp_for): Ensure that the control variable is
	a gimple_reg.
	(force_gimple_operand): Allow gimplifying code expressions without
	value.
	* tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
	* common.opt (fopenmp-ssa): New.
	* tree-flow.h (find_omp_clause, copy_var_decl): Declare.
	* Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
	* tree-cfg.c: Include tree-inline.h.
	(struct move_stmt_d): Replace vars_to_remove by vars_map field.
	(replace_by_duplicate_decl, replace_ssa_name,
	mark_virtual_ops_in_region): New functions.
	(move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
	to work on SSA form.
	* passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
	* tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
	constructs.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128223 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 55 insertions, 4 deletions

diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c
index 4996e09e854..c18f97d4960 100644
--- a/gcc/tree-ssa-operands.c
+++ b/gcc/tree-ssa-operands.c
@@ -2247,21 +2247,72 @@ get_expr_operands (tree stmt, tree *expr_p, int flags)
       get_expr_operands (stmt, &CHANGE_DYNAMIC_TYPE_LOCATION (expr), opf_use);
       return;
 
+    case OMP_FOR:
+      {
+	tree init = OMP_FOR_INIT (expr);
+	tree cond = OMP_FOR_COND (expr);
+	tree incr = OMP_FOR_INCR (expr);
+	tree c, clauses = OMP_FOR_CLAUSES (stmt);
+
+	get_expr_operands (stmt, &GIMPLE_STMT_OPERAND (init, 0), opf_def);
+	get_expr_operands (stmt, &GIMPLE_STMT_OPERAND (init, 1), opf_use);
+	get_expr_operands (stmt, &TREE_OPERAND (cond, 1), opf_use);
+	get_expr_operands (stmt, &TREE_OPERAND (GIMPLE_STMT_OPERAND (incr, 1), 1),
+			   opf_use);
+
+	c = find_omp_clause (clauses, OMP_CLAUSE_SCHEDULE);
+	if (c)
+	  get_expr_operands (stmt, &OMP_CLAUSE_SCHEDULE_CHUNK_EXPR (c),
+			     opf_use);
+	return;
+      }
+
+    case OMP_CONTINUE:
+      {
+	get_expr_operands (stmt, &TREE_OPERAND (expr, 0), opf_def);
+	get_expr_operands (stmt, &TREE_OPERAND (expr, 1), opf_use);
+	return;
+      }
+
+    case OMP_PARALLEL:
+      {
+	tree c, clauses = OMP_PARALLEL_CLAUSES (stmt);
+
+	if (OMP_PARALLEL_DATA_ARG (stmt))
+	  {
+	    get_expr_operands (stmt, &OMP_PARALLEL_DATA_ARG (stmt), opf_use);
+	    add_to_addressable_set (OMP_PARALLEL_DATA_ARG (stmt),
+				    &s_ann->addresses_taken);
+	  }
+
+	c = find_omp_clause (clauses, OMP_CLAUSE_IF);
+	if (c)
+	  get_expr_operands (stmt, &OMP_CLAUSE_IF_EXPR (c), opf_use);
+	c = find_omp_clause (clauses, OMP_CLAUSE_NUM_THREADS);
+	if (c)
+	  get_expr_operands (stmt, &OMP_CLAUSE_NUM_THREADS_EXPR (c), opf_use);
+	return;
+      }
+
+    case OMP_SECTIONS:
+      {
+	get_expr_operands (stmt, &OMP_SECTIONS_CONTROL (expr), opf_def);
+	return;
+      }
+
     case BLOCK:
     case FUNCTION_DECL:
     case EXC_PTR_EXPR:
     case FILTER_EXPR:
     case LABEL_DECL:
     case CONST_DECL:
-    case OMP_PARALLEL:
-    case OMP_SECTIONS:
-    case OMP_FOR:
     case OMP_SINGLE:
     case OMP_MASTER:
     case OMP_ORDERED:
     case OMP_CRITICAL:
     case OMP_RETURN:
-    case OMP_CONTINUE:
+    case OMP_SECTION:
+    case OMP_SECTIONS_SWITCH:
       /* Expressions that make no memory references.  */
       return;