Add overloaded debug_bb and debug_bb_n with dump flags

Add overloads that accept a flags argument so we can print
debug_bb_n (5, TDF_DETAILS) in gdb, also the debug_bb_slim
variant would then be just a forwarder.

gcc/ChangeLog:

2020-10-26  Xionghu Luo  <luoxhu@linux.ibm.com>

	* cfg.c (debug_bb): New overloaded function.
	(debug_bb_n): New overloaded function.
	* cfg.h (debug_bb): New declaration.
	(debug_bb_n): New declaration.
	* print-rtl.c (debug_bb_slim): Call debug_bb with flags.

diff --git a/gcc/cfg.c b/gcc/cfg.c
index d82324faf037f86bc9448c111349d26909480297..de0e71db850e51e78487aa657bb6aa71f73655cf 100644 (file)
--- a/gcc/cfg.c
+++ b/gcc/cfg.c
@@ -720,7 +720,7 @@ free_aux_for_edges (void)
 DEBUG_FUNCTION void
 debug_bb (basic_block bb)
 {
-  dump_bb (stderr, bb, 0, dump_flags);
+  debug_bb (bb, dump_flags);
 }
 
 DEBUG_FUNCTION basic_block
@@ -731,6 +731,24 @@ debug_bb_n (int n)
   return bb;
 }
 
+/* Print BB with specified FLAGS.  */
+
+DEBUG_FUNCTION void
+debug_bb (basic_block bb, dump_flags_t flags)
+{
+  dump_bb (stderr, bb, 0, flags);
+}
+
+/* Print basic block numbered N with specified FLAGS.  */
+
+DEBUG_FUNCTION basic_block
+debug_bb_n (int n, dump_flags_t flags)
+{
+  basic_block bb = BASIC_BLOCK_FOR_FN (cfun, n);
+  debug_bb (bb, flags);
+  return bb;
+}
+
 /* Dumps cfg related information about basic block BB to OUTF.
    If HEADER is true, dump things that appear before the instructions
    contained in BB.  If FOOTER is true, dump things that appear after.

diff --git a/gcc/cfg.h b/gcc/cfg.h
index 1eb7866bac9c30dfd3468bf3cd7edd7ff67e2401..93fde6df2bfcd455ca62c5af767efab703c2b196 100644 (file)
--- a/gcc/cfg.h
+++ b/gcc/cfg.h
@@ -108,6 +108,8 @@ extern void clear_aux_for_edges (void);
 extern void free_aux_for_edges (void);
 extern void debug_bb (basic_block);
 extern basic_block debug_bb_n (int);
+extern void debug_bb (basic_block, dump_flags_t);
+extern basic_block debug_bb_n (int, dump_flags_t);
 extern void dump_bb_info (FILE *, basic_block, int, dump_flags_t, bool, bool);
 extern void brief_dump_cfg (FILE *, dump_flags_t);
 extern void update_bb_profile_for_threading (basic_block, profile_count, edge);

diff --git a/gcc/print-rtl.c b/gcc/print-rtl.c
index 25265efc71b4d3722ee6dd15af700fdb4dab7b1c..d514b1c53735fce1c0aadf2960773847408b8b80 100644 (file)
--- a/gcc/print-rtl.c
+++ b/gcc/print-rtl.c
@@ -2139,7 +2139,7 @@ extern void debug_bb_slim (basic_block);
 DEBUG_FUNCTION void
 debug_bb_slim (basic_block bb)
 {
-  dump_bb (stderr, bb, 0, TDF_SLIM | TDF_BLOCKS);
+  debug_bb (bb, TDF_SLIM | TDF_BLOCKS);
 }
 
 extern void debug_bb_n_slim (int);