invoke.texi: Remove -dv documentation.

gcc/
	* doc/invoke.texi: Remove -dv documentation.  Fix up graph dump related
	documentation.  Document the '-graph' dump option.  Complete the '-slim'
	dump option documentation.

	* common.opt (Variable graph_dump_format): Remove.
	* flag-types.h (enum graph_dump_types): Remove.
	* flags.h (dump_for_graph): Remove.
	* opts.c (decode_d_option): Remove -dv handling.
	* sched-int.h (print_insn, print_pattern, print_value): Move prototypes
	from here ...
	* rtl.h: ...to here.  Add note that these functions ought to be in
	another file.
	* sched-vis.c (print_insn): Add detailed dump for insn notes.
	* print-rtl.c (dump_for_graph): Remove.
	(print_rtx): Remove dump_for_graph related code.
	* graph.c: Almost complete re-write to dump DOT (GraphViz) dumps
	instead of VCG dumps.
	* graph.h (print_rtl_graph_with_bb): Update prototype.
	* passes.c (finish_optimization_passes): Fix profile dump finishing.
	Unconditionally loop over graph dumps to finalize.
	(execute_function_dump): Split code to dump graphs to separate block.
	(execute_one_pass): Don't set TDF_GRAPH here, let the dump option
	decoders do their job.

	* ddg.c (vcg_print_ddg): Make it a DEBUG_FUNCTION.
	* toplev.c: Don't include graph.h.
	* tree-optimize.c: Don't include graph.h.

testsuite/
	* testsuite/gcc.dg/20050811-1.c: Change -dv option to -graph option
	to -fdump-rtl-all.
	* testsuite/gcc.dg/pr37858.c: Remove -dv option.

From-SVN: r193821

gcc/ChangeLog

+2012-11-26  Steven Bosscher  <steven@gcc.gnu.org>
+
+	* doc/invoke.texi: Remove -dv documentation.  Fix up graph dump related
+	documentation.  Document the '-graph' dump option.  Complete the '-slim'
+	dump option documentation.
+
+	* common.opt (Variable graph_dump_format): Remove.
+	* flag-types.h (enum graph_dump_types): Remove.
+	* flags.h (dump_for_graph): Remove.
+	* opts.c (decode_d_option): Remove -dv handling.
+	* sched-int.h (print_insn, print_pattern, print_value): Move prototypes
+	from here ...
+	* rtl.h: ...to here.  Add note that these functions ought to be in
+	another file.
+	* sched-vis.c (print_insn): Add detailed dump for insn notes.
+	* print-rtl.c (dump_for_graph): Remove.
+	(print_rtx): Remove dump_for_graph related code.
+	* graph.c: Almost complete re-write to dump DOT (GraphViz) dumps
+	instead of VCG dumps.
+	* graph.h (print_rtl_graph_with_bb): Update prototype.
+	* passes.c (finish_optimization_passes): Fix profile dump finishing.
+	Unconditionally loop over graph dumps to finalize.
+	(execute_function_dump): Split code to dump graphs to separate block.
+	(execute_one_pass): Don't set TDF_GRAPH here, let the dump option
+	decoders do their job.
+
+	* ddg.c (vcg_print_ddg): Make it a DEBUG_FUNCTION.
+	* toplev.c: Don't include graph.h.
+	* tree-optimize.c: Don't include graph.h.
+
 2012-11-26  Marek Polacek  <polacek@redhat.com>
 
 	* cprop.c (hash_set): Remove variable.  Use regno

gcc/common.opt

@@ -174,9 +174,6 @@ int rtl_dump_and_exit
 Variable
 int flag_print_asm_name
 
-Variable
-enum graph_dump_types graph_dump_format = no_graph
-
 ; Name of top-level original source file (what was input to cpp).
 ; This comes from the #-command at the beginning of the actual input.
 ; If there isn't any there, then this is the cc1 input file name.

gcc/ddg.c

@@ -753,7 +753,7 @@ print_ddg (FILE *file, ddg_ptr g)
 }
 
 /* Print the given DDG in VCG format.  */
-void
+DEBUG_FUNCTION void
 vcg_print_ddg (FILE *file, ddg_ptr g)
 {
   int src_cuid;

gcc/doc/invoke.texi

@@ -5371,7 +5371,7 @@ appended with a sequential number starting from 1.  @var{range-list} is a
 comma-separated list of function ranges or assembler names.  Each range is a number
 pair separated by a colon.  The range is inclusive in both ends.  If the range
 is trivial, the number pair can be simplified as a single number.  If the
-function's cgraph node's @var{uid} falls within one of the specified ranges,
+function's call graph node's @var{uid} falls within one of the specified ranges,
 the @var{pass} is disabled for that function.  The @var{uid} is shown in the
 function header of a dump file, and the pass names can be dumped by using
 option @option{-fdump-passes}.
@@ -5727,12 +5727,6 @@ also printed.
 Dump the RTL in the assembler output as a comment before each instruction.
 Also turns on @option{-dp} annotation.
 
-@item -dv
-@opindex dv
-For each of the other indicated dump files (@option{-fdump-rtl-@var{pass}}),
-dump a representation of the control flow graph suitable for viewing with VCG
-to @file{@var{file}.@var{pass}.vcg}.
-
 @item -dx
 @opindex dx
 Just generate RTL for a function instead of compiling it.  Usually used
@@ -5841,10 +5835,16 @@ If @code{DECL_ASSEMBLER_NAME} has been set for a given decl, use that
 in the dump instead of @code{DECL_NAME}.  Its primary use is ease of
 use working backward from mangled names in the assembly file.
 @item slim
-Inhibit dumping of members of a scope or body of a function merely
-because that scope has been reached.  Only dump such items when they
-are directly reachable by some other path.  When dumping pretty-printed
-trees, this option inhibits dumping the bodies of control structures.
+When dumping front-end intermediate representations, inhibit dumping
+of members of a scope or body of a function merely because that scope
+has been reached.  Only dump such items when they are directly reachable
+by some other path.
+
+When dumping pretty-printed trees, this option inhibits dumping the
+bodies of control structures.
+
+When dumping RTL, print the RTL in slim (condensed) form instead of
+the default LISP-like representation.
 @item raw
 Print a raw representation of the tree.  By default, trees are
 pretty-printed into a C-like representation.
@@ -5856,6 +5856,16 @@ Enable dumping various statistics about the pass (not honored by every dump
 option).
 @item blocks
 Enable showing basic block boundaries (disabled in raw dumps).
+@item graph
+For each of the other indicated dump files (@option{-fdump-rtl-@var{pass}}),
+dump a representation of the control flow graph suitable for viewing with
+GraphViz to @file{@var{file}.@var{passid}.@var{pass}.dot}.  Note that if
+the file contains more than one function, the generated file cannot be
+used directly by GraphViz@.  You must cut and paste each function's
+graph into its own separate file first.
+
+This option currently only works for RTL dumps, and the RTL is always
+dumped in slim form.
 @item vops
 Enable showing virtual operands for every statement.
 @item lineno

gcc/flag-types.h

@@ -141,13 +141,6 @@ enum excess_precision
   EXCESS_PRECISION_STANDARD
 };
 
-/* Selection of the graph form.  */
-enum graph_dump_types
-{
-  no_graph = 0,
-  vcg
-};
-
 /* Type of stack check.  */
 enum stack_check_type
 {

gcc/flags.h

@@ -89,9 +89,6 @@ extern struct target_flag_state *this_target_flag_state;
 #define flag_excess_precision \
   (this_target_flag_state->x_flag_excess_precision)
 
-/* Nonzero if we dump in VCG format, not plain text.  */
-extern int dump_for_graph;
-
 /* Returns TRUE if generated code should match ABI version N or
    greater is in use.  */
 

gcc/graph.h

@@ -20,7 +20,7 @@ along with GCC; see the file COPYING3.  If not see
 #ifndef GCC_GRAPH_H
 #define GCC_GRAPH_H
 
-extern void print_rtl_graph_with_bb (const char *, rtx);
+extern void print_rtl_graph_with_bb (const char *, tree);
 extern void clean_graph_dump_file (const char *);
 extern void finish_graph_dump_file (const char *);
 

gcc/opts.c

@@ -1982,9 +1982,6 @@ decode_d_option (const char *arg, struct gcc_options *opts,
 	opts->x_flag_dump_rtl_in_asm = 1;
 	opts->x_flag_print_asm_name = 1;
 	break;
-      case 'v':
-	opts->x_graph_dump_format = vcg;
-	break;
       case 'x':
 	opts->x_rtl_dump_and_exit = 1;
 	break;

gcc/passes.c

@@ -239,11 +239,10 @@ finish_optimization_passes (void)
     {
       dump_start (pass_profile.pass.static_pass_number, NULL);
       print_combine_total_stats ();
-      dump_finish (pass_combine.pass.static_pass_number);
+      dump_finish (pass_profile.pass.static_pass_number);
     }
 
   /* Do whatever is necessary to finish printing the graphs.  */
-  if (graph_dump_format != no_graph)
   for (i = TDI_end; (dfi = get_dump_file_info (i)) != NULL; ++i)
     if (dump_initialized_p (i)
 	&& (dfi->pflags & TDF_GRAPH) != 0
@@ -1777,18 +1776,16 @@ execute_function_dump (void *data ATTRIBUTE_UNUSED)
       if (cfun->curr_properties & PROP_trees)
         dump_function_to_file (current_function_decl, dump_file, dump_flags);
       else
-	{
 	print_rtl_with_bb (dump_file, get_insns (), dump_flags);
 
-	  if ((cfun->curr_properties & PROP_cfg)
-	      && graph_dump_format != no_graph
-	      && (dump_flags & TDF_GRAPH))
-	    print_rtl_graph_with_bb (dump_file_name, get_insns ());
-	}
-
       /* Flush the file.  If verification fails, we won't be able to
 	 close the file before aborting.  */
       fflush (dump_file);
+
+      if ((cfun->curr_properties & PROP_cfg)
+	  && (cfun->curr_properties & PROP_rtl)
+	  && (dump_flags & TDF_GRAPH))
+	print_rtl_graph_with_bb (dump_file_name, cfun->decl);
     }
 }
 
@@ -2338,13 +2335,11 @@ execute_one_pass (struct opt_pass *pass)
 
   if (initializing_dump
       && dump_file
-      && graph_dump_format != no_graph
+      && (dump_flags & TDF_GRAPH)
       && cfun
       && (cfun->curr_properties & (PROP_cfg | PROP_rtl))
 	  == (PROP_cfg | PROP_rtl))
     {
-      get_dump_file_info (pass->static_pass_number)->pflags |= TDF_GRAPH;
-      dump_flags |= TDF_GRAPH;
       clean_graph_dump_file (dump_file_name);
     }
 

gcc/print-rtl.c

@@ -77,9 +77,6 @@ int flag_dump_unnumbered_links = 0;
 /* Nonzero means use simplified format without flags, modes, etc.  */
 int flag_simple = 0;
 
-/* Nonzero if we are dumping graphical description.  */
-int dump_for_graph;
-
 #ifndef GENERATOR_FILE
 void
 print_mem_expr (FILE *outfile, const_tree expr)
@@ -124,17 +121,6 @@ print_rtx (const_rtx in_rtx)
 
   is_insn = INSN_P (in_rtx);
 
-  /* When printing in VCG format we write INSNs, NOTE, LABEL, and BARRIER
-     in separate nodes and therefore have to handle them special here.  */
-  if (dump_for_graph
-      && (is_insn || NOTE_P (in_rtx)
-	  || LABEL_P (in_rtx) || BARRIER_P (in_rtx)))
-    {
-      i = 3;
-      indent = 0;
-    }
-  else
-    {
   /* Print name of expression code.  */
   if (flag_simple && CONST_INT_P (in_rtx))
     fputc ('(', outfile);
@@ -192,7 +178,6 @@ print_rtx (const_rtx in_rtx)
 	}
 #endif
     }
-    }
 
 #ifndef GENERATOR_FILE
   if (CONST_DOUBLE_AS_FLOAT_P (in_rtx))
@@ -217,14 +202,9 @@ print_rtx (const_rtx in_rtx)
       string:
 
 	if (str == 0)
-	  fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
-	else
-	  {
-	    if (dump_for_graph)
-	      fprintf (outfile, " (\\\"%s\\\")", str);
+	  fputs (" \"\"", outfile);
 	else
 	  fprintf (outfile, " (\"%s\")", str);
-	  }
 	sawclose = 1;
 	break;
 
@@ -652,15 +632,8 @@ print_rtx (const_rtx in_rtx)
       break;
     }
 
-  if (dump_for_graph
-      && (is_insn || NOTE_P (in_rtx)
-	  || LABEL_P (in_rtx) || BARRIER_P (in_rtx)))
-    sawclose = 0;
-  else
-    {
   fputc (')', outfile);
   sawclose = 1;
-    }
 }
 
 /* Print an rtx on the current line of FILE.  Initially indent IND

gcc/rtl.h

@@ -2605,6 +2605,14 @@ extern int print_rtl_single (FILE *, const_rtx);
 extern int print_rtl_single_with_indent (FILE *, const_rtx, int);
 extern void print_inline_rtx (FILE *, const_rtx, int);
 
+/* Functions in sched-vis.c.  These must be outside INSN_SCHEDULING as
+   sched-vis.c is compiled always.  FIXME: Ideally these functions would
+   not be in sched-vis.c but in rtl.c, because they are not only used
+   by the scheduler anymore but for all "slim" RTL dumping.  */
+extern void print_insn (char *, const_rtx, int);
+extern void print_pattern (char *, const_rtx, int);
+extern void print_value (char *, const_rtx, int);
+
 /* In function.c */
 extern void reposition_prologue_and_epilogue_notes (void);
 extern int prologue_epilogue_contains (const_rtx);

gcc/sched-int.h

@@ -1578,11 +1578,5 @@ extern void sd_debug_lists (rtx, sd_list_types_def);
 
 #endif /* INSN_SCHEDULING */
 
-/* Functions in sched-vis.c.  These must be outside INSN_SCHEDULING as
-   sched-vis.c is compiled always.  */
-extern void print_insn (char *, const_rtx, int);
-extern void print_pattern (char *, const_rtx, int);
-extern void print_value (char *, const_rtx, int);
-
 #endif /* GCC_SCHED_INT_H */
 

gcc/sched-vis.c

@@ -782,12 +782,53 @@ print_insn (char *buf, const_rtx x, int verbose)
       sprintf (buf, "i%4d: barrier", INSN_UID (x));
       break;
     case NOTE:
-      sprintf (buf, " %4d %s", INSN_UID (x),
-	       GET_NOTE_INSN_NAME (NOTE_KIND (x)));
+      {
+        int uid = INSN_UID (x);
+        const char *note_name = GET_NOTE_INSN_NAME (NOTE_KIND (x));
+	switch (NOTE_KIND (x))
+	  {
+	  case NOTE_INSN_EH_REGION_BEG:
+	  case NOTE_INSN_EH_REGION_END:
+	    sprintf (buf, " %4d %s %d", uid, note_name,
+		     NOTE_EH_HANDLER (x));
+	    break;
+
+	  case NOTE_INSN_BLOCK_BEG:
+	  case NOTE_INSN_BLOCK_END:
+	    sprintf (buf, " %4d %s %d", uid, note_name,
+		     BLOCK_NUMBER (NOTE_BLOCK (x)));
+	    break;
+
+	  case NOTE_INSN_BASIC_BLOCK:
+	    sprintf (buf, " %4d %s %d", uid, note_name,
+		     NOTE_BASIC_BLOCK (x)->index);
+	    break;
+
+	  case NOTE_INSN_DELETED_LABEL:
+	  case NOTE_INSN_DELETED_DEBUG_LABEL:
+	    {
+	      const char *label = NOTE_DELETED_LABEL_NAME (x);
+	      if (label == NULL)
+		label = "";
+	      sprintf (buf, " %4d %s (\"%s\")", uid, note_name, label);
+	    }
 	    break;
+
+	  case NOTE_INSN_VAR_LOCATION:
+	    print_pattern (t, NOTE_VAR_LOCATION (x), verbose);
+	    sprintf (buf, " %4d %s {%s}", uid, note_name, t);
+	    break;
+
+	  default:
+	    sprintf (buf, " %4d %s", uid, note_name);
+	    break;
+	  }
+	break;
+      }
     default:
       sprintf (buf, "i%4d  <What %s?>", INSN_UID (x),
 	       GET_RTX_NAME (GET_CODE (x)));
+      break;
     }
 }				/* print_insn */
 

gcc/testsuite/ChangeLog

+2012-11-26  Steven Bosscher  <steven@gcc.gnu.org>
+
+	* testsuite/gcc.dg/20050811-1.c: Change -dv option to -graph option
+	to -fdump-rtl-all.
+	* testsuite/gcc.dg/pr37858.c: Remove -dv option.
+
 2012-11-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* lib/target-supports.exp (check_effective_target_arm_v8_vfp_ok):

gcc/testsuite/gcc.dg/20050811-1.c

-/* Test whether -dv -fdump-rtl-all doesn't crash.  */
+/* Test whether -fdump-rtl-all-graph doesn't crash.  */
 /* { dg-do compile } */
-/* { dg-options "-O2 -dv -fdump-rtl-all" } */
+/* { dg-options "-O2 -fdump-rtl-all-graph" } */
 
 int foo (void)
 {

gcc/testsuite/gcc.dg/pr37858.c

 /* PR middle-end/37858 */
+/* ??? With -dv removed, this test is a bit silly.  */
 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-ipa-early_local_cleanups -dv" } */
+/* { dg-options "-O2 -fdump-ipa-early_local_cleanups" } */
 
 int
 main (void)

gcc/toplev.c

@@ -49,7 +49,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "basic-block.h"
 #include "intl.h"
 #include "ggc.h"
-#include "graph.h"
 #include "regs.h"
 #include "timevar.h"
 #include "diagnostic.h"

gcc/tree-optimize.c

@@ -38,7 +38,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree-pass.h"
 #include "ggc.h"
 #include "cgraph.h"
-#include "graph.h"
 #include "cfgloop.h"
 #include "except.h"
 #include "plugin.h"