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-rw-r--r--gcc/tree-flow.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h
index f55943b5cdb..d470035470e 100644
--- a/gcc/tree-flow.h
+++ b/gcc/tree-flow.h
@@ -356,6 +356,10 @@ struct bb_ann_d GTY(())
/* Nonzero if this block contains an escape point (see is_escape_site). */
unsigned has_escape_site : 1;
+ /* Nonzero if one or more incoming edges to this block should be threaded
+ to an outgoing edge of this block. */
+ unsigned incoming_edge_threaded : 1;
+
struct edge_prediction *predictions;
};
@@ -474,7 +478,7 @@ extern void debug_loop_ir (void);
extern void print_loop_ir (FILE *);
extern void cleanup_dead_labels (void);
extern void group_case_labels (void);
-extern void cleanup_tree_cfg (void);
+extern bool cleanup_tree_cfg (void);
extern tree first_stmt (basic_block);
extern tree last_stmt (basic_block);
extern tree *last_stmt_ptr (basic_block);
@@ -561,7 +565,6 @@ typedef bool (*walk_use_def_chains_fn) (tree, tree, void *);
/* In tree-ssa.c */
extern void init_tree_ssa (void);
-extern void rewrite_vars_out_of_ssa (bitmap);
extern void dump_reaching_defs (FILE *);
extern void debug_reaching_defs (void);
extern void dump_tree_ssa (FILE *);