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[PATCH 44/89] Introduce gimple_omp_teams


gcc/
	* coretypes.h (gimple_omp_teams): New typedef.
	(const_gimple_omp_teams): New typedef.

	* gimple.h (gimple_statement_base::as_a_gimple_omp_teams): New.
	(gimple_build_omp_teams): Return a gimple_omp_teams rather than a
	plain gimple.
	(gimple_omp_teams_set_clauses): Require a gimple_omp_teams rather
	than a plain gimple.

	* gimple-pretty-print.c (dump_gimple_omp_teams): Require a
	gimple_omp_teams rather than a plain gimple.
	(pp_gimple_stmt_1): Add checked cast to gimple_omp_teams within
	GIMPLE_OMP_TEAMS case of switch statement.

	* gimple.c (gimple_build_omp_teams): Return a gimple_omp_teams
	rather than a plain gimple.

	* omp-low.c (scan_omp_teams): Likewise.
	(scan_omp_1_stmt): Add checked cast to gimple_omp_teams within
	GIMPLE_OMP_TEAMS case of switch statement.
	(lower_omp_teams): Strengthen local "teams_stmt" from gimple to
	gimple_omp_teams.
---
 gcc/coretypes.h           |  4 ++++
 gcc/gimple-pretty-print.c |  6 ++++--
 gcc/gimple.c              |  5 +++--
 gcc/gimple.h              | 14 +++++++++-----
 gcc/omp-low.c             |  6 +++---
 5 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/gcc/coretypes.h b/gcc/coretypes.h
index 1ac8765..529dc96 100644
--- a/gcc/coretypes.h
+++ b/gcc/coretypes.h
@@ -183,6 +183,10 @@ struct gimple_statement_omp_target;
 typedef struct gimple_statement_omp_target *gimple_omp_target;
 typedef const struct gimple_statement_omp_target *const_gimple_omp_target;
 
+struct gimple_statement_omp_teams;
+typedef struct gimple_statement_omp_teams *gimple_omp_teams;
+typedef const struct gimple_statement_omp_teams *const_gimple_omp_teams;
+
 union section;
 typedef union section section;
 struct gcc_options;
diff --git a/gcc/gimple-pretty-print.c b/gcc/gimple-pretty-print.c
index a5d8706..3787136 100644
--- a/gcc/gimple-pretty-print.c
+++ b/gcc/gimple-pretty-print.c
@@ -1333,7 +1333,8 @@ dump_gimple_omp_target (pretty_printer *buffer, gimple_omp_target gs,
 /* Dump a GIMPLE_OMP_TEAMS tuple on the pretty_printer BUFFER.  */
 
 static void
-dump_gimple_omp_teams (pretty_printer *buffer, gimple gs, int spc, int flags)
+dump_gimple_omp_teams (pretty_printer *buffer, gimple_omp_teams gs, int spc,
+		       int flags)
 {
   if (flags & TDF_RAW)
     {
@@ -2184,7 +2185,8 @@ pp_gimple_stmt_1 (pretty_printer *buffer, gimple gs, int spc, int flags)
       break;
 
     case GIMPLE_OMP_TEAMS:
-      dump_gimple_omp_teams (buffer, gs, spc, flags);
+      dump_gimple_omp_teams (buffer, gs->as_a_gimple_omp_teams (), spc,
+			     flags);
       break;
 
     case GIMPLE_OMP_RETURN:
diff --git a/gcc/gimple.c b/gcc/gimple.c
index 2ba7c5b..310839f 100644
--- a/gcc/gimple.c
+++ b/gcc/gimple.c
@@ -1070,10 +1070,11 @@ gimple_build_omp_target (gimple_seq body, int kind, tree clauses)
    BODY is the sequence of statements that will be executed.
    CLAUSES are any of the OMP teams construct's clauses.  */
 
-gimple
+gimple_omp_teams
 gimple_build_omp_teams (gimple_seq body, tree clauses)
 {
-  gimple p = gimple_alloc (GIMPLE_OMP_TEAMS, 0);
+  gimple_omp_teams p =
+    gimple_alloc (GIMPLE_OMP_TEAMS, 0)->as_a_gimple_omp_teams ();
   if (body)
     gimple_omp_set_body (p, body);
   gimple_omp_teams_set_clauses (p, clauses);
diff --git a/gcc/gimple.h b/gcc/gimple.h
index d791a28..0a06620 100644
--- a/gcc/gimple.h
+++ b/gcc/gimple.h
@@ -390,6 +390,12 @@ public:
     return as_a <gimple_statement_omp_target> (this);
   }
 
+  inline gimple_omp_teams
+  as_a_gimple_omp_teams ()
+  {
+    return as_a <gimple_statement_omp_teams> (this);
+  }
+
   /* Dynamic casting methods, where the cast returns NULL if the
      stmt is not of the required kind.
 
@@ -1650,7 +1656,7 @@ gimple gimple_build_omp_sections (gimple_seq, tree);
 gimple gimple_build_omp_sections_switch (void);
 gimple_omp_single gimple_build_omp_single (gimple_seq, tree);
 gimple_omp_target gimple_build_omp_target (gimple_seq, int, tree);
-gimple gimple_build_omp_teams (gimple_seq, tree);
+gimple_omp_teams gimple_build_omp_teams (gimple_seq, tree);
 gimple_omp_atomic_load gimple_build_omp_atomic_load (tree, tree);
 gimple_omp_atomic_store gimple_build_omp_atomic_store (tree);
 gimple_transaction gimple_build_transaction (gimple_seq, tree);
@@ -5482,13 +5488,11 @@ gimple_omp_teams_clauses_ptr (gimple gs)
 }
 
 
-/* Set CLAUSES to be the clauses associated with OMP_TEAMS GS.  */
+/* Set CLAUSES to be the clauses associated with OMP_TEAMS_STMT.  */
 
 static inline void
-gimple_omp_teams_set_clauses (gimple gs, tree clauses)
+gimple_omp_teams_set_clauses (gimple_omp_teams omp_teams_stmt, tree clauses)
 {
-  gimple_statement_omp_teams *omp_teams_stmt =
-    as_a <gimple_statement_omp_teams> (gs);
   omp_teams_stmt->clauses = clauses;
 }
 
diff --git a/gcc/omp-low.c b/gcc/omp-low.c
index 9809cf4..680c21f 100644
--- a/gcc/omp-low.c
+++ b/gcc/omp-low.c
@@ -2228,7 +2228,7 @@ scan_omp_target (gimple_omp_target stmt, omp_context *outer_ctx)
 /* Scan an OpenMP teams directive.  */
 
 static void
-scan_omp_teams (gimple stmt, omp_context *outer_ctx)
+scan_omp_teams (gimple_omp_teams stmt, omp_context *outer_ctx)
 {
   omp_context *ctx = new_omp_context (stmt, outer_ctx);
   scan_sharing_clauses (gimple_omp_teams_clauses (stmt), ctx);
@@ -2668,7 +2668,7 @@ scan_omp_1_stmt (gimple_stmt_iterator *gsi, bool *handled_ops_p,
       break;
 
     case GIMPLE_OMP_TEAMS:
-      scan_omp_teams (stmt, ctx);
+      scan_omp_teams (stmt->as_a_gimple_omp_teams (), ctx);
       break;
 
     case GIMPLE_BIND:
@@ -9899,7 +9899,7 @@ lower_omp_target (gimple_stmt_iterator *gsi_p, omp_context *ctx)
 static void
 lower_omp_teams (gimple_stmt_iterator *gsi_p, omp_context *ctx)
 {
-  gimple teams_stmt = gsi_stmt (*gsi_p);
+  gimple_omp_teams teams_stmt = gsi_stmt (*gsi_p)->as_a_gimple_omp_teams ();
   push_gimplify_context ();
 
   tree block = make_node (BLOCK);
-- 
1.8.5.3


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