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[committed] v2: Convert dump and optgroup flags to enums


On Tue, 2018-06-05 at 18:16 +0200, Richard Biener wrote:
> On June 5, 2018 4:49:21 PM GMT+02:00, David Malcolm <dmalcolm@redhat.
> com> wrote:
> > On Tue, 2018-06-05 at 04:40 -0400, Trevor Saunders wrote:
> > > On Fri, Jun 01, 2018 at 12:00:09PM +0200, Richard Biener wrote:
> > > > On Tue, May 29, 2018 at 10:32 PM David Malcolm <dmalcolm@redhat
> > > > .com
> > > > > wrote:
> > > > > 
> > > > > The dump machinery uses "int" in a few places, for two
> > > > > different
> > > > > sets of bitmasks.
> > > > > 
> > > > > This patch makes things more self-documenting and type-safe
> > > > > by
> > > > > using
> > > > > a new pair of enums: one for the dump_flags_t and another for
> > > > > the
> > > > > optgroup_flags.
> > > > 
> > > > Great!  This should also make them accessible in gdb w/o using
> > > > -g3.
> > > > 
> > > > > This requires adding some overloaded bit operations to the
> > > > > enums
> > > > > in question, which, in this patch is done for each enum .  If
> > > > > the
> > > > > basic
> > > > > idea is OK, should I add a template for this?  (with some
> > > > > kind of
> > > > > magic to express that bitmasking operations are only
> > > > > supported on
> > > > > certain opt-in enums).
> > > 
> > > You may want to look at gdb's enum-flags.h which I think already
> > > implements what your doing here.
> > 
> > Aha!  Thanks!
> > 
> > Browsing the git web UI, that gdb header was introduced by Pedro
> > Alves
> > in:
> > https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdi
> > ff;h=8d297bbf604c8318ffc72d5a7b3db654409c5ed9
> > and the current state is here:
> > https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob;f=g
> > db/common/enum-flags.h;hb=HEAD
> > 
> > I'll try this out with GCC; hopefully it works with C++98.
> > 
> > Presumably it would be good to share this header between GCC and
> > GDB;
> > CCing Pedro; Pedro: hi!  Does this sound sane?
> > (for reference, the GCC patch we're discussing here is:
> >  https://gcc.gnu.org/ml/gcc-patches/2018-05/msg01685.html )
> > 
> > Presumably gcc's copy should live in the gcc's top-level "include"
> > subdirectory?
> > 
> > Would we need to change that "This file is part of GDB." comment,
> > and
> > the include guards' "COMMON_ENUM_FLAGS_H"?
> > 
> > > > Does C++ allow > int enums?  I think we want some way of
> > > > knowing
> > > > when either enum exceeds int (dump_flags_t was already uint64_t
> > > > but you now make it effectively int again).  That is, general
> > > > wrapping
> > > > for enum ops should chose an appropriate unsigned integer for
> > > > the operation.  So yes, a common implementation looks useful to
> > > > me.
> > > 
> > > I don't remember very well, but istr C++ will actually use a 8
> > > byte
> > > integer if the enum contains constants larger than 2^32.  Testing
> > > sizeof enum x { A =0x400000000 }; gives the desired thing for me,
> > > but
> > > it
> > > would still be good to check the standard.
> > 
> > FWIW C++11 onwards has a std::underlying_type for enums:
> >  http://en.cppreference.com/w/cpp/types/underlying_type
> > (GCC is on C++98).  The gdb header seems to emulate this via the
> > use of
> > sizeof(T) to select an appropriate integer_for_size specialization
> > and
> > thus the appropriate struct enum_underlying_type specialization (if
> > I'm
> > reading it right).
> > 
> > > Trev
> > > 
> > > 
> > > > 
> > > > I think this patch is independently useful.
> > 
> > Richard: by this, did you mean that the patch is OK for trunk as-
> > is?
> 
> Yes. 
> 
> Richard. 
> 
> > (keeping a more general bitflags enum patch as followup work)  Note
> > to
> > self: still needs bootstrap-and-testing.

Thanks.

The patch needed some trivial fixes, which seemed sufficiently obvious
as to not need further approval:

* Use dump_flags_t rather than int for "dump_kind" param for
dump_basic_block, dump_generic_expr_loc's prototype (not just
the definition), and dump_dec.
* Removed "FIXME" comments
* Remove trailing comma from last item in enum dump_flag (for -Wpedantic).
* Fixed brig-to-generic.cc and graphite-poly.c (my earlier testing didn't
have brig or graphite enabled).

For reference here's what I've committed to trunk (r261325; I'm looking
at using gdb's enum-flags.h as follow-up):

gcc/brig/ChangeLog:
	* brigfrontend/brig-to-generic.cc
	(brig_to_generic::write_globals): Use TDF_NONE rather than 0.
	(dump_function): Likewise.

gcc/c-family/ChangeLog:
	* c-pretty-print.c (c_pretty_printer::statement): Use TDF_NONE
	rather than 0.

gcc/ChangeLog:
	* cfg.c (debug): Use TDF_NONE rather than 0.
	* cfghooks.c (debug): Likewise.
	* dumpfile.c (DUMP_FILE_INFO): Likewise; also for OPTGROUP.
	(struct dump_option_value_info): Convert to...
	(struct kv_pair): ...this template type.
	(dump_options): Convert to kv_pair<dump_flags_t>; use TDF_NONE
	rather than 0.
	(optinfo_verbosity_options): Likewise.
	(optgroup_options): Convert to kv_pair<optgroup_flags_t>; use
	OPTGROUP_NONE.
	(gcc::dump_manager::dump_register): Use optgroup_flags_t rather
	than int for "optgroup_flags" param.
	(dump_generic_expr_loc): Use dump_flags_t rather than int for
	"dump_kind" param.
	(dump_dec): Likewise.
	(dump_finish): Use TDF_NONE rather than 0.
	(gcc::dump_manager::opt_info_enable_passes): Use optgroup_flags_t
	rather than int for "optgroup_flags" param.  Use TDF_NONE rather
	than 0.  Update for change to option_ptr.
	(opt_info_switch_p_1): Convert "optgroup_flags" param from int *
	to optgroup_flags_t *.  Use TDF_NONE and OPTGROUP_NONE rather than
	0.  Update for changes to optinfo_verbosity_options and
	optgroup_options.
	(opt_info_switch_p): Convert optgroup_flags from int to
	optgroup_flags_t.
	(dump_basic_block): Use dump_flags_t rather than int
	for "dump_kind" param.
	* dumpfile.h (TDF_ADDRESS, TDF_SLIM, TDF_RAW, TDF_DETAILS,
	TDF_STATS, TDF_BLOCKS, TDF_VOPS, TDF_LINENO, TDF_UID)
	TDF_STMTADDR, TDF_GRAPH, TDF_MEMSYMS, TDF_RHS_ONLY, TDF_ASMNAME,
	TDF_EH, TDF_NOUID, TDF_ALIAS, TDF_ENUMERATE_LOCALS, TDF_CSELIB,
	TDF_SCEV, TDF_GIMPLE, TDF_FOLDING, MSG_OPTIMIZED_LOCATIONS,
	MSG_MISSED_OPTIMIZATION, MSG_NOTE, MSG_ALL, TDF_COMPARE_DEBUG,
	TDF_NONE): Convert from macros to...
	(enum dump_flag): ...this new enum.
	(dump_flags_t): Update to use enum.
	(operator|, operator&, operator~, operator|=, operator&=):
	Implement for dump_flags_t.
	(OPTGROUP_NONE, OPTGROUP_IPA, OPTGROUP_LOOP, OPTGROUP_INLINE,
	OPTGROUP_OMP, OPTGROUP_VEC, OPTGROUP_OTHER, OPTGROUP_ALL):
	Convert from macros to...
	(enum optgroup_flag): ...this new enum.
	(optgroup_flags_t): New typedef.
	(operator|, operator|=): Implement for optgroup_flags_t.
	(struct dump_file_info): Convert field "alt_flags" to
	dump_flags_t.  Convert field "optgroup_flags" to
	optgroup_flags_t.
	(dump_basic_block): Use dump_flags_t rather than int for param.
	(dump_generic_expr_loc): Likewise.
	(dump_dec): Likewise.
	(dump_register): Convert param "optgroup_flags" to
	optgroup_flags_t.
	(opt_info_enable_passes): Likewise.
	* early-remat.c (early_remat::dump_edge_list): Use TDF_NONE rather
	than 0.
	* gimple-pretty-print.c (debug): Likewise.
	* gimple-ssa-store-merging.c (bswap_replace): Likewise.
	(merged_store_group::apply_stores): Likewise.
	* gimple-ssa-strength-reduction.c (insert_initializers): Likewise.
	* gimple.c (verify_gimple_pp): Likewise.
	* graphite-poly.c (print_pbb_body): Likewise.
	* passes.c (pass_manager::register_one_dump_file): Convert
	local "optgroup_flags" to optgroup_flags_t.
	* print-tree.c (print_node): Use TDF_NONE rather than 0.
	(debug): Likewise.
	(debug_body): Likewise.
	* tree-pass.h (struct pass_data): Convert field "optgroup_flags"
	to optgroup_flags_t.
	* tree-pretty-print.c (print_struct_decl): Use TDF_NONE rather
	than 0.
	* tree-ssa-math-opts.c (convert_mult_to_fma_1): Likewise.
	(convert_mult_to_fma): Likewise.
	* tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
	* tree-ssa-sccvn.c (vn_eliminate): Likewise.
	* tree-vect-data-refs.c (dump_lower_bound): Convert param
	"dump_kind" to dump_flags_t.
---
 gcc/brig/brigfrontend/brig-to-generic.cc |   9 +-
 gcc/c-family/c-pretty-print.c            |   2 +-
 gcc/cfg.c                                |   4 +-
 gcc/cfghooks.c                           |   2 +-
 gcc/dumpfile.c                           |  70 +++++-----
 gcc/dumpfile.h                           | 231 +++++++++++++++++++++++--------
 gcc/early-remat.c                        |   2 +-
 gcc/gimple-pretty-print.c                |   2 +-
 gcc/gimple-ssa-store-merging.c           |   6 +-
 gcc/gimple-ssa-strength-reduction.c      |   2 +-
 gcc/gimple.c                             |   2 +-
 gcc/graphite-poly.c                      |   2 +-
 gcc/passes.c                             |   2 +-
 gcc/print-tree.c                         |   7 +-
 gcc/tree-pass.h                          |   2 +-
 gcc/tree-pretty-print.c                  |   2 +-
 gcc/tree-ssa-math-opts.c                 |   4 +-
 gcc/tree-ssa-reassoc.c                   |   2 +-
 gcc/tree-ssa-sccvn.c                     |   2 +-
 gcc/tree-vect-data-refs.c                |   2 +-
 20 files changed, 236 insertions(+), 121 deletions(-)

diff --git a/gcc/brig/brigfrontend/brig-to-generic.cc b/gcc/brig/brigfrontend/brig-to-generic.cc
index ee212b1..6629db0 100644
--- a/gcc/brig/brigfrontend/brig-to-generic.cc
+++ b/gcc/brig/brigfrontend/brig-to-generic.cc
@@ -932,8 +932,9 @@ brig_to_generic::write_globals ()
 	  fprintf (m_dump_file, "\n;; Function %s", kern_name.c_str());
 	  fprintf (m_dump_file, "\n;; enabled by -%s\n\n",
 		   dump_flag_name (TDI_original));
-	  print_generic_decl (m_dump_file, launcher, 0);
-	  print_generic_expr (m_dump_file, DECL_SAVED_TREE (launcher), 0);
+	  print_generic_decl (m_dump_file, launcher, TDF_NONE);
+	  print_generic_expr (m_dump_file, DECL_SAVED_TREE (launcher),
+			      TDF_NONE);
 	  fprintf (m_dump_file, "\n");
 	}
 
@@ -1018,8 +1019,8 @@ dump_function (FILE *dump_file, brig_function *f)
       fprintf (dump_file, "\n;; Function %s", f->m_name.c_str ());
       fprintf (dump_file, "\n;; enabled by -%s\n\n",
 	       dump_flag_name (TDI_original));
-      print_generic_decl (dump_file, f->m_func_decl, 0);
-      print_generic_expr (dump_file, f->m_current_bind_expr, 0);
+      print_generic_decl (dump_file, f->m_func_decl, TDF_NONE);
+      print_generic_expr (dump_file, f->m_current_bind_expr, TDF_NONE);
       fprintf (dump_file, "\n");
     }
 }
diff --git a/gcc/c-family/c-pretty-print.c b/gcc/c-family/c-pretty-print.c
index dc76c99..efb41c5 100644
--- a/gcc/c-family/c-pretty-print.c
+++ b/gcc/c-family/c-pretty-print.c
@@ -2341,7 +2341,7 @@ c_pretty_printer::statement (tree stmt)
   if (pp_needs_newline (this))
     pp_newline_and_indent (this, 0);
 
-  dump_generic_node (this, stmt, pp_indentation (this), 0, true);
+  dump_generic_node (this, stmt, pp_indentation (this), TDF_NONE, true);
 }
 
 
diff --git a/gcc/cfg.c b/gcc/cfg.c
index 11026e7..6d55516 100644
--- a/gcc/cfg.c
+++ b/gcc/cfg.c
@@ -545,8 +545,8 @@ DEBUG_FUNCTION void
 debug (edge_def &ref)
 {
   /* FIXME (crowl): Is this desireable?  */
-  dump_edge_info (stderr, &ref, 0, false);
-  dump_edge_info (stderr, &ref, 0, true);
+  dump_edge_info (stderr, &ref, TDF_NONE, false);
+  dump_edge_info (stderr, &ref, TDF_NONE, true);
 }
 
 DEBUG_FUNCTION void
diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c
index 87d864c..ea106e0 100644
--- a/gcc/cfghooks.c
+++ b/gcc/cfghooks.c
@@ -288,7 +288,7 @@ dump_bb (FILE *outf, basic_block bb, int indent, dump_flags_t flags)
 DEBUG_FUNCTION void
 debug (basic_block_def &ref)
 {
-  dump_bb (stderr, &ref, 0, 0);
+  dump_bb (stderr, &ref, 0, TDF_NONE);
 }
 
 DEBUG_FUNCTION void
diff --git a/gcc/dumpfile.c b/gcc/dumpfile.c
index 0f16d4f..e94e274 100644
--- a/gcc/dumpfile.c
+++ b/gcc/dumpfile.c
@@ -50,8 +50,8 @@ const char *dump_file_name;
 dump_flags_t dump_flags;
 
 #define DUMP_FILE_INFO(suffix, swtch, dkind, num) \
-  {suffix, swtch, NULL, NULL, NULL, NULL, NULL, dkind, 0, 0, 0, 0, 0, num, \
-   false, false}
+  {suffix, swtch, NULL, NULL, NULL, NULL, NULL, dkind, TDF_NONE, TDF_NONE, \
+   OPTGROUP_NONE, 0, 0, num, false, false}
 
 /* Table of tree dump switches. This must be consistent with the
    TREE_DUMP_INDEX enumeration in dumpfile.h.  */
@@ -74,15 +74,16 @@ static struct dump_file_info dump_files[TDI_end] =
 };
 
 /* Define a name->number mapping for a dump flag value.  */
-struct dump_option_value_info
+template <typename ValueType>
+struct kv_pair
 {
   const char *const name;	/* the name of the value */
-  const dump_flags_t value;	/* the value of the name */
+  const ValueType value;	/* the value of the name */
 };
 
 /* Table of dump options. This must be consistent with the TDF_* flags
    in dumpfile.h and opt_info_options below. */
-static const struct dump_option_value_info dump_options[] =
+static const kv_pair<dump_flags_t> dump_options[] =
 {
   {"address", TDF_ADDRESS},
   {"asmname", TDF_ASMNAME},
@@ -114,23 +115,23 @@ static const struct dump_option_value_info dump_options[] =
   {"all", dump_flags_t (~(TDF_RAW | TDF_SLIM | TDF_LINENO | TDF_GRAPH
 			| TDF_STMTADDR | TDF_RHS_ONLY | TDF_NOUID
 			| TDF_ENUMERATE_LOCALS | TDF_SCEV | TDF_GIMPLE))},
-  {NULL, 0}
+  {NULL, TDF_NONE}
 };
 
 /* A subset of the dump_options table which is used for -fopt-info
    types. This must be consistent with the MSG_* flags in dumpfile.h.
  */
-static const struct dump_option_value_info optinfo_verbosity_options[] =
+static const kv_pair<dump_flags_t> optinfo_verbosity_options[] =
 {
   {"optimized", MSG_OPTIMIZED_LOCATIONS},
   {"missed", MSG_MISSED_OPTIMIZATION},
   {"note", MSG_NOTE},
   {"all", MSG_ALL},
-  {NULL, 0}
+  {NULL, TDF_NONE}
 };
 
 /* Flags used for -fopt-info groups.  */
-static const struct dump_option_value_info optgroup_options[] =
+static const kv_pair<optgroup_flags_t> optgroup_options[] =
 {
   {"ipa", OPTGROUP_IPA},
   {"loop", OPTGROUP_LOOP},
@@ -138,7 +139,7 @@ static const struct dump_option_value_info optgroup_options[] =
   {"omp", OPTGROUP_OMP},
   {"vec", OPTGROUP_VEC},
   {"optall", OPTGROUP_ALL},
-  {NULL, 0}
+  {NULL, OPTGROUP_NONE}
 };
 
 gcc::dump_manager::dump_manager ():
@@ -173,7 +174,8 @@ gcc::dump_manager::~dump_manager ()
 unsigned int
 gcc::dump_manager::
 dump_register (const char *suffix, const char *swtch, const char *glob,
-	       dump_kind dkind, int optgroup_flags, bool take_ownership)
+	       dump_kind dkind, optgroup_flags_t optgroup_flags,
+	       bool take_ownership)
 {
   int num = m_next_dump++;
 
@@ -425,7 +427,7 @@ dump_generic_expr (dump_flags_t dump_kind, dump_flags_t extra_dump_flags,
    location.  */
 
 void
-dump_generic_expr_loc (int dump_kind, source_location loc,
+dump_generic_expr_loc (dump_flags_t dump_kind, source_location loc,
 		       dump_flags_t extra_dump_flags, tree t)
 {
   if (dump_file && (dump_kind & pflags))
@@ -492,7 +494,7 @@ dump_printf_loc (dump_flags_t dump_kind, source_location loc,
 
 template<unsigned int N, typename C>
 void
-dump_dec (int dump_kind, const poly_int<N, C> &value)
+dump_dec (dump_flags_t dump_kind, const poly_int<N, C> &value)
 {
   STATIC_ASSERT (poly_coeff_traits<C>::signedness >= 0);
   signop sgn = poly_coeff_traits<C>::signedness ? SIGNED : UNSIGNED;
@@ -503,11 +505,11 @@ dump_dec (int dump_kind, const poly_int<N, C> &value)
     print_dec (value, alt_dump_file, sgn);
 }
 
-template void dump_dec (int, const poly_uint16 &);
-template void dump_dec (int, const poly_int64 &);
-template void dump_dec (int, const poly_uint64 &);
-template void dump_dec (int, const poly_offset_int &);
-template void dump_dec (int, const poly_widest_int &);
+template void dump_dec (dump_flags_t, const poly_uint16 &);
+template void dump_dec (dump_flags_t, const poly_int64 &);
+template void dump_dec (dump_flags_t, const poly_uint64 &);
+template void dump_dec (dump_flags_t, const poly_offset_int &);
+template void dump_dec (dump_flags_t, const poly_widest_int &);
 
 /* Start a dump for PHASE. Store user-supplied dump flags in
    *FLAG_PTR.  Return the number of streams opened.  Set globals
@@ -581,9 +583,9 @@ dump_finish (int phase)
   dfi->pstream = NULL;
   dump_file = NULL;
   alt_dump_file = NULL;
-  dump_flags = TDI_none;
-  alt_flags = 0;
-  pflags = 0;
+  dump_flags = TDF_NONE;
+  alt_flags = TDF_NONE;
+  pflags = TDF_NONE;
 }
 
 /* Begin a tree dump for PHASE. Stores any user supplied flag in
@@ -749,7 +751,7 @@ dump_enable_all (dump_kind dkind, dump_flags_t flags, const char *filename)
 
 int
 gcc::dump_manager::
-opt_info_enable_passes (int optgroup_flags, dump_flags_t flags,
+opt_info_enable_passes (optgroup_flags_t optgroup_flags, dump_flags_t flags,
 			const char *filename)
 {
   int n = 0;
@@ -816,11 +818,11 @@ dump_switch_p_1 (const char *arg, struct dump_file_info *dfi, bool doglob)
     return 0;
 
   ptr = option_value;
-  flags = 0;
+  flags = TDF_NONE;
 
   while (*ptr)
     {
-      const struct dump_option_value_info *option_ptr;
+      const struct kv_pair<dump_flags_t> *option_ptr;
       const char *end_ptr;
       const char *eq_ptr;
       unsigned length;
@@ -902,8 +904,8 @@ dump_switch_p (const char *arg)
    and filename.  Return non-zero if it is a recognized switch.  */
 
 static int
-opt_info_switch_p_1 (const char *arg, dump_flags_t *flags, int *optgroup_flags,
-                     char **filename)
+opt_info_switch_p_1 (const char *arg, dump_flags_t *flags,
+		     optgroup_flags_t *optgroup_flags, char **filename)
 {
   const char *option_value;
   const char *ptr;
@@ -912,15 +914,14 @@ opt_info_switch_p_1 (const char *arg, dump_flags_t *flags, int *optgroup_flags,
   ptr = option_value;
 
   *filename = NULL;
-  *flags = 0;
-  *optgroup_flags = 0;
+  *flags = TDF_NONE;
+  *optgroup_flags = OPTGROUP_NONE;
 
   if (!ptr)
     return 1;       /* Handle '-fopt-info' without any additional options.  */
 
   while (*ptr)
     {
-      const struct dump_option_value_info *option_ptr;
       const char *end_ptr;
       const char *eq_ptr;
       unsigned length;
@@ -937,8 +938,8 @@ opt_info_switch_p_1 (const char *arg, dump_flags_t *flags, int *optgroup_flags,
 	end_ptr = ptr + strlen (ptr);
       length = end_ptr - ptr;
 
-      for (option_ptr = optinfo_verbosity_options; option_ptr->name;
-           option_ptr++)
+      for (const kv_pair<dump_flags_t> *option_ptr = optinfo_verbosity_options;
+	   option_ptr->name; option_ptr++)
 	if (strlen (option_ptr->name) == length
 	    && !memcmp (option_ptr->name, ptr, length))
           {
@@ -946,7 +947,8 @@ opt_info_switch_p_1 (const char *arg, dump_flags_t *flags, int *optgroup_flags,
 	    goto found;
           }
 
-      for (option_ptr = optgroup_options; option_ptr->name; option_ptr++)
+      for (const kv_pair<optgroup_flags_t> *option_ptr = optgroup_options;
+	   option_ptr->name; option_ptr++)
 	if (strlen (option_ptr->name) == length
 	    && !memcmp (option_ptr->name, ptr, length))
           {
@@ -981,7 +983,7 @@ int
 opt_info_switch_p (const char *arg)
 {
   dump_flags_t flags;
-  int optgroup_flags;
+  optgroup_flags_t optgroup_flags;
   char *filename;
   static char *file_seen = NULL;
   gcc::dump_manager *dumps = g->get_dumps ();
@@ -1012,7 +1014,7 @@ opt_info_switch_p (const char *arg)
 /* Print basic block on the dump streams.  */
 
 void
-dump_basic_block (int dump_kind, basic_block bb, int indent)
+dump_basic_block (dump_flags_t dump_kind, basic_block bb, int indent)
 {
   if (dump_file && (dump_kind & pflags))
     dump_bb (dump_file, bb, indent, TDF_DETAILS);
diff --git a/gcc/dumpfile.h b/gcc/dumpfile.h
index 21803a6..153f91e 100644
--- a/gcc/dumpfile.h
+++ b/gcc/dumpfile.h
@@ -58,65 +58,175 @@ enum dump_kind
    the DUMP_OPTIONS array in dumpfile.c. The TDF_* flags coexist with
    MSG_* flags (for -fopt-info) and the bit values must be chosen to
    allow that.  */
-#define TDF_ADDRESS	(1 << 0)	/* dump node addresses */
-#define TDF_SLIM	(1 << 1)	/* don't go wild following links */
-#define TDF_RAW		(1 << 2)	/* don't unparse the function */
-#define TDF_DETAILS	(1 << 3)	/* show more detailed info about
-					   each pass */
-#define TDF_STATS	(1 << 4)	/* dump various statistics about
-					   each pass */
-#define TDF_BLOCKS	(1 << 5)	/* display basic block boundaries */
-#define TDF_VOPS	(1 << 6)	/* display virtual operands */
-#define TDF_LINENO	(1 << 7)	/* display statement line numbers */
-#define TDF_UID		(1 << 8)	/* display decl UIDs */
-
-#define TDF_STMTADDR	(1 << 9)       /* Address of stmt.  */
-
-#define TDF_GRAPH	(1 << 10)	/* a graph dump is being emitted */
-#define TDF_MEMSYMS	(1 << 11)	/* display memory symbols in expr.
-					   Implies TDF_VOPS.  */
-
-#define TDF_RHS_ONLY	(1 << 12)	/* a flag to only print the RHS of
-					   a gimple stmt.  */
-#define TDF_ASMNAME	(1 << 13)	/* display asm names of decls  */
-#define TDF_EH		(1 << 14)	/* display EH region number
-					   holding this gimple statement.  */
-#define TDF_NOUID	(1 << 15)	/* omit UIDs from dumps.  */
-#define TDF_ALIAS	(1 << 16)	/* display alias information  */
-#define TDF_ENUMERATE_LOCALS (1 << 17)	/* Enumerate locals by uid.  */
-#define TDF_CSELIB	(1 << 18)	/* Dump cselib details.  */
-#define TDF_SCEV	(1 << 19)	/* Dump SCEV details.  */
-#define TDF_GIMPLE	(1 << 20)	/* Dump in GIMPLE FE syntax  */
-#define TDF_FOLDING	(1 << 21)	/* Dump folding details.  */
-#define MSG_OPTIMIZED_LOCATIONS	 (1 << 22)  /* -fopt-info optimized sources */
-#define MSG_MISSED_OPTIMIZATION	 (1 << 23)  /* missed opportunities */
-#define MSG_NOTE		 (1 << 24)  /* general optimization info */
-#define MSG_ALL		(MSG_OPTIMIZED_LOCATIONS | MSG_MISSED_OPTIMIZATION \
-			 | MSG_NOTE)
-#define TDF_COMPARE_DEBUG (1 << 25)	/* Dumping for -fcompare-debug.  */
-
-
-/* Value of TDF_NONE is used just for bits filtered by TDF_KIND_MASK.  */
-
-#define TDF_NONE 0
+enum dump_flag
+{
+  /* Value of TDF_NONE is used just for bits filtered by TDF_KIND_MASK.  */
+  TDF_NONE  = 0,
+
+  /* Dump node addresses.  */
+  TDF_ADDRESS = (1 << 0),
+
+  /* Don't go wild following links.  */
+  TDF_SLIM = (1 << 1),
+
+  /* Don't unparse the function.  */
+  TDF_RAW = (1 << 2),
+
+  /* Show more detailed info about each pass.  */
+  TDF_DETAILS = (1 << 3),
+
+  /* Dump various statistics about each pass.  */
+  TDF_STATS = (1 << 4),
+
+  /* Display basic block boundaries.  */
+  TDF_BLOCKS = (1 << 5),
+
+  /* Display virtual operands.  */
+  TDF_VOPS = (1 << 6),
+
+  /* Display statement line numbers.  */
+  TDF_LINENO = (1 << 7),
+
+  /* Display decl UIDs.  */
+  TDF_UID  = (1 << 8),
+
+  /* Address of stmt.  */
+  TDF_STMTADDR = (1 << 9),
+
+  /* A graph dump is being emitted.  */
+  TDF_GRAPH = (1 << 10),
+
+  /* Display memory symbols in expr.
+     Implies TDF_VOPS.  */
+  TDF_MEMSYMS = (1 << 11),
+
+  /* A flag to only print the RHS of a gimple stmt.  */
+  TDF_RHS_ONLY = (1 << 12),
+
+  /* Display asm names of decls.  */
+  TDF_ASMNAME = (1 << 13),
+
+  /* Display EH region number holding this gimple statement.  */
+  TDF_EH  = (1 << 14),
+
+  /* Omit UIDs from dumps.  */
+  TDF_NOUID = (1 << 15),
+
+  /* Display alias information.  */
+  TDF_ALIAS = (1 << 16),
+
+  /* Enumerate locals by uid.  */
+  TDF_ENUMERATE_LOCALS = (1 << 17),
+
+  /* Dump cselib details.  */
+  TDF_CSELIB = (1 << 18),
+
+  /* Dump SCEV details.  */
+  TDF_SCEV = (1 << 19),
+
+  /* Dump in GIMPLE FE syntax  */
+  TDF_GIMPLE = (1 << 20),
+
+  /* Dump folding details.  */
+  TDF_FOLDING = (1 << 21),
+
+  /* -fopt-info optimized sources.  */
+  MSG_OPTIMIZED_LOCATIONS = (1 << 22),
+
+  /* Missed opportunities.  */
+  MSG_MISSED_OPTIMIZATION = (1 << 23),
+
+  /* General optimization info.  */
+  MSG_NOTE = (1 << 24),
+
+  MSG_ALL = (MSG_OPTIMIZED_LOCATIONS
+	     | MSG_MISSED_OPTIMIZATION
+	     | MSG_NOTE),
+
+  /* Dumping for -fcompare-debug.  */
+  TDF_COMPARE_DEBUG = (1 << 25)
+};
+
+/* Dump flags type.  */
+
+typedef enum dump_flag dump_flags_t;
+
+static inline dump_flags_t
+operator| (dump_flags_t lhs, dump_flags_t rhs)
+{
+  return (dump_flags_t)((int)lhs | (int)rhs);
+}
+
+static inline dump_flags_t
+operator& (dump_flags_t lhs, dump_flags_t rhs)
+{
+  return (dump_flags_t)((int)lhs & (int)rhs);
+}
+
+static inline dump_flags_t
+operator~ (dump_flags_t flags)
+{
+  return (dump_flags_t)~((int)flags);
+}
+
+static inline dump_flags_t &
+operator|= (dump_flags_t &lhs, dump_flags_t rhs)
+{
+  lhs = (dump_flags_t)((int)lhs | (int)rhs);
+  return lhs;
+}
+
+static inline dump_flags_t &
+operator&= (dump_flags_t &lhs, dump_flags_t rhs)
+{
+  lhs = (dump_flags_t)((int)lhs & (int)rhs);
+  return lhs;
+}
 
 /* Flags to control high-level -fopt-info dumps.  Usually these flags
    define a group of passes.  An optimization pass can be part of
    multiple groups.  */
-#define OPTGROUP_NONE	     (0)
-#define OPTGROUP_IPA	     (1 << 1)	/* IPA optimization passes */
-#define OPTGROUP_LOOP	     (1 << 2)	/* Loop optimization passes */
-#define OPTGROUP_INLINE	     (1 << 3)	/* Inlining passes */
-#define OPTGROUP_OMP	     (1 << 4)	/* OMP (Offloading and Multi
-					   Processing) transformations */
-#define OPTGROUP_VEC	     (1 << 5)	/* Vectorization passes */
-#define OPTGROUP_OTHER	     (1 << 6)	/* All other passes */
-#define OPTGROUP_ALL	     (OPTGROUP_IPA | OPTGROUP_LOOP | OPTGROUP_INLINE \
-			      | OPTGROUP_OMP | OPTGROUP_VEC | OPTGROUP_OTHER)
 
-/* Dump flags type.  */
+enum optgroup_flag
+{
+  OPTGROUP_NONE = 0,
+
+  /* IPA optimization passes */
+  OPTGROUP_IPA  = (1 << 1),
+
+  /* Loop optimization passes */
+  OPTGROUP_LOOP = (1 << 2),
+
+  /* Inlining passes */
+  OPTGROUP_INLINE = (1 << 3),
 
-typedef uint64_t dump_flags_t;
+  /* OMP (Offloading and Multi Processing) transformations */
+  OPTGROUP_OMP = (1 << 4),
+
+  /* Vectorization passes */
+  OPTGROUP_VEC = (1 << 5),
+
+  /* All other passes */
+  OPTGROUP_OTHER = (1 << 6),
+
+  OPTGROUP_ALL = (OPTGROUP_IPA | OPTGROUP_LOOP | OPTGROUP_INLINE
+		  | OPTGROUP_OMP | OPTGROUP_VEC | OPTGROUP_OTHER)
+};
+
+typedef enum optgroup_flag optgroup_flags_t;
+
+static inline optgroup_flags_t
+operator| (optgroup_flags_t lhs, optgroup_flags_t rhs)
+{
+  return (optgroup_flags_t)((int)lhs | (int)rhs);
+}
+
+static inline optgroup_flags_t &
+operator|= (optgroup_flags_t &lhs, optgroup_flags_t rhs)
+{
+  lhs = (optgroup_flags_t)((int)lhs | (int)rhs);
+  return lhs;
+}
 
 /* Define a tree dump switch.  */
 struct dump_file_info
@@ -140,9 +250,9 @@ struct dump_file_info
   /* Dump flags.  */
   dump_flags_t pflags;
   /* A pass flags for -fopt-info.  */
-  int alt_flags;
+  dump_flags_t alt_flags;
   /* Flags for -fopt-info given by a user.  */
-  int optgroup_flags;
+  optgroup_flags_t optgroup_flags;
   /* State of pass-specific stream.  */
   int pstate;
   /* State of the -fopt-info stream.  */
@@ -166,8 +276,8 @@ extern void dump_printf (dump_flags_t, const char *, ...) ATTRIBUTE_PRINTF_2;
 extern void dump_printf_loc (dump_flags_t, source_location,
                              const char *, ...) ATTRIBUTE_PRINTF_3;
 extern void dump_function (int phase, tree fn);
-extern void dump_basic_block (int, basic_block, int);
-extern void dump_generic_expr_loc (int, source_location, int, tree);
+extern void dump_basic_block (dump_flags_t, basic_block, int);
+extern void dump_generic_expr_loc (dump_flags_t, source_location, dump_flags_t, tree);
 extern void dump_generic_expr (dump_flags_t, dump_flags_t, tree);
 extern void dump_gimple_stmt_loc (dump_flags_t, source_location, dump_flags_t,
 				  gimple *, int);
@@ -176,7 +286,7 @@ extern void print_combine_total_stats (void);
 extern bool enable_rtl_dump_file (void);
 
 template<unsigned int N, typename C>
-void dump_dec (int, const poly_int<N, C> &);
+void dump_dec (dump_flags_t, const poly_int<N, C> &);
 
 /* In tree-dump.c  */
 extern void dump_node (const_tree, dump_flags_t, FILE *);
@@ -214,7 +324,8 @@ public:
      SUFFIX, SWTCH, and GLOB. */
   unsigned int
   dump_register (const char *suffix, const char *swtch, const char *glob,
-		 dump_kind dkind, int optgroup_flags, bool take_ownership);
+		 dump_kind dkind, optgroup_flags_t optgroup_flags,
+		 bool take_ownership);
 
   /* Allow languages and middle-end to register their dumps before the
      optimization passes.  */
@@ -275,7 +386,7 @@ private:
   dump_enable_all (dump_kind dkind, dump_flags_t flags, const char *filename);
 
   int
-  opt_info_enable_passes (int optgroup_flags, dump_flags_t flags,
+  opt_info_enable_passes (optgroup_flags_t optgroup_flags, dump_flags_t flags,
 			  const char *filename);
 
 private:
diff --git a/gcc/early-remat.c b/gcc/early-remat.c
index 28eb9b4..776b2d0 100644
--- a/gcc/early-remat.c
+++ b/gcc/early-remat.c
@@ -657,7 +657,7 @@ early_remat::dump_edge_list (basic_block bb, bool do_succ)
   edge e;
   edge_iterator ei;
   FOR_EACH_EDGE (e, ei, do_succ ? bb->succs : bb->preds)
-    dump_edge_info (dump_file, e, 0, do_succ);
+    dump_edge_info (dump_file, e, TDF_NONE, do_succ);
 }
 
 /* Print information about basic block BB to the dump file.  */
diff --git a/gcc/gimple-pretty-print.c b/gcc/gimple-pretty-print.c
index c0d6e15..405d9e3 100644
--- a/gcc/gimple-pretty-print.c
+++ b/gcc/gimple-pretty-print.c
@@ -153,7 +153,7 @@ print_gimple_stmt (FILE *file, gimple *g, int spc, dump_flags_t flags)
 DEBUG_FUNCTION void
 debug (gimple &ref)
 {
-  print_gimple_stmt (stderr, &ref, 0, 0);
+  print_gimple_stmt (stderr, &ref, 0, TDF_NONE);
 }
 
 DEBUG_FUNCTION void
diff --git a/gcc/gimple-ssa-store-merging.c b/gcc/gimple-ssa-store-merging.c
index 1cefdeb..8aa24e6 100644
--- a/gcc/gimple-ssa-store-merging.c
+++ b/gcc/gimple-ssa-store-merging.c
@@ -1083,7 +1083,7 @@ bswap_replace (gimple_stmt_iterator gsi, gimple *ins_stmt, tree fndecl,
 	    print_gimple_stmt (dump_file, cur_stmt, 0);
 	  else
 	    {
-	      print_generic_expr (dump_file, tgt, 0);
+	      print_generic_expr (dump_file, tgt, TDF_NONE);
 	      fprintf (dump_file, "\n");
 	    }
 	}
@@ -1153,7 +1153,7 @@ bswap_replace (gimple_stmt_iterator gsi, gimple *ins_stmt, tree fndecl,
 	print_gimple_stmt (dump_file, cur_stmt, 0);
       else
 	{
-	  print_generic_expr (dump_file, tgt, 0);
+	  print_generic_expr (dump_file, tgt, TDF_NONE);
 	  fprintf (dump_file, "\n");
 	}
     }
@@ -2020,7 +2020,7 @@ merged_store_group::apply_stores ()
 	  if (ret)
 	    {
 	      fputs ("After writing ", dump_file);
-	      print_generic_expr (dump_file, cst, 0);
+	      print_generic_expr (dump_file, cst, TDF_NONE);
 	      fprintf (dump_file, " of size " HOST_WIDE_INT_PRINT_DEC
 		       " at position %d\n", info->bitsize, pos_in_buffer);
 	      fputs ("  the merged value contains ", dump_file);
diff --git a/gcc/gimple-ssa-strength-reduction.c b/gcc/gimple-ssa-strength-reduction.c
index b86ce85..ea81adc 100644
--- a/gcc/gimple-ssa-strength-reduction.c
+++ b/gcc/gimple-ssa-strength-reduction.c
@@ -3379,7 +3379,7 @@ insert_initializers (slsr_cand_t c)
 	      fputs ("Using existing initializer: ", dump_file);
 	      print_gimple_stmt (dump_file,
 				 SSA_NAME_DEF_STMT (incr_vec[i].initializer),
-				 0, 0);
+				 0, TDF_NONE);
 	    }
 	  continue;
 	}
diff --git a/gcc/gimple.c b/gcc/gimple.c
index 4b91151..828fa59 100644
--- a/gcc/gimple.c
+++ b/gcc/gimple.c
@@ -3154,7 +3154,7 @@ static void
 verify_gimple_pp (const char *expected, gimple *stmt)
 {
   pretty_printer pp;
-  pp_gimple_stmt_1 (&pp, stmt, 0 /* spc */, 0 /* flags */);
+  pp_gimple_stmt_1 (&pp, stmt, 0 /* spc */, TDF_NONE /* flags */);
   ASSERT_STREQ (expected, pp_formatted_text (&pp));
 }
 
diff --git a/gcc/graphite-poly.c b/gcc/graphite-poly.c
index bede7ba..51ca038 100644
--- a/gcc/graphite-poly.c
+++ b/gcc/graphite-poly.c
@@ -402,7 +402,7 @@ static void
 print_pbb_body (FILE *file, poly_bb_p pbb)
 {
   fprintf (file, "Body (\n");
-  dump_bb (file, pbb_bb (pbb), 0, 0);
+  dump_bb (file, pbb_bb (pbb), 0, TDF_NONE);
   fprintf (file, ")\n");
 }
 
diff --git a/gcc/passes.c b/gcc/passes.c
index 2c711f0..c787ffc 100644
--- a/gcc/passes.c
+++ b/gcc/passes.c
@@ -784,7 +784,7 @@ pass_manager::register_one_dump_file (opt_pass *pass)
   char num[11];
   dump_kind dkind;
   int id;
-  int optgroup_flags = OPTGROUP_NONE;
+  optgroup_flags_t optgroup_flags = OPTGROUP_NONE;
   gcc::dump_manager *dumps = m_ctxt->get_dumps ();
 
   /* See below in next_pass_1.  */
diff --git a/gcc/print-tree.c b/gcc/print-tree.c
index caf5f26..5c736c5 100644
--- a/gcc/print-tree.c
+++ b/gcc/print-tree.c
@@ -894,7 +894,8 @@ print_node (FILE *file, const char *prefix, tree node, int indent,
 	  {
 	    pretty_printer buffer;
 	    buffer.buffer->stream = file;
-	    pp_gimple_stmt_1 (&buffer, SSA_NAME_DEF_STMT (node), indent + 4, 0);
+	    pp_gimple_stmt_1 (&buffer, SSA_NAME_DEF_STMT (node), indent + 4,
+			      TDF_NONE);
 	    pp_flush (&buffer);
 	  }
 
@@ -1039,7 +1040,7 @@ dump_tree_via_hooks (const tree_node *ptr, dump_flags_t options)
 DEBUG_FUNCTION void
 debug (const tree_node &ref)
 {
-  dump_tree_via_hooks (&ref, 0);
+  dump_tree_via_hooks (&ref, TDF_NONE);
 }
 
 DEBUG_FUNCTION void
@@ -1070,7 +1071,7 @@ DEBUG_FUNCTION void
 debug_body (const tree_node &ref)
 {
   if (TREE_CODE (&ref) == FUNCTION_DECL)
-    dump_function_to_file (const_cast <tree_node*> (&ref), stderr, 0);
+    dump_function_to_file (const_cast <tree_node*> (&ref), stderr, TDF_NONE);
   else
     debug (ref);
 }
diff --git a/gcc/tree-pass.h b/gcc/tree-pass.h
index 7625d19..60010c6 100644
--- a/gcc/tree-pass.h
+++ b/gcc/tree-pass.h
@@ -47,7 +47,7 @@ struct pass_data
   const char *name;
 
   /* The -fopt-info optimization group flags as defined in dumpfile.h. */
-  unsigned int optinfo_flags;
+  optgroup_flags_t optinfo_flags;
 
   /* The timevar id associated with this pass.  */
   /* ??? Ideally would be dynamically assigned.  */
diff --git a/gcc/tree-pretty-print.c b/gcc/tree-pretty-print.c
index 125507e..9398ce8 100644
--- a/gcc/tree-pretty-print.c
+++ b/gcc/tree-pretty-print.c
@@ -3417,7 +3417,7 @@ print_struct_decl (pretty_printer *pp, const_tree node, int spc,
 		|| TREE_CODE (node) == QUAL_UNION_TYPE))
 	pp_string (pp, "union ");
 
-      dump_generic_node (pp, TYPE_NAME (node), spc, 0, false);
+      dump_generic_node (pp, TYPE_NAME (node), spc, TDF_NONE, false);
     }
 
   /* Print the contents of the structure.  */
diff --git a/gcc/tree-ssa-math-opts.c b/gcc/tree-ssa-math-opts.c
index 273396d..187ca5a 100644
--- a/gcc/tree-ssa-math-opts.c
+++ b/gcc/tree-ssa-math-opts.c
@@ -2711,7 +2711,7 @@ convert_mult_to_fma_1 (tree mul_result, tree op1, tree op2)
       if (dump_file && (dump_flags & TDF_DETAILS))
 	{
 	  fprintf (dump_file, "Generated FMA ");
-	  print_gimple_stmt (dump_file, gsi_stmt (gsi), 0, 0);
+	  print_gimple_stmt (dump_file, gsi_stmt (gsi), 0, TDF_NONE);
 	  fprintf (dump_file, "\n");
 	}
 
@@ -3047,7 +3047,7 @@ convert_mult_to_fma (gimple *mul_stmt, tree op1, tree op2,
       if (dump_file && (dump_flags & TDF_DETAILS))
 	{
 	  fprintf (dump_file, "Deferred generating FMA for multiplication ");
-	  print_gimple_stmt (dump_file, mul_stmt, 0, 0);
+	  print_gimple_stmt (dump_file, mul_stmt, 0, TDF_NONE);
 	  fprintf (dump_file, "\n");
 	}
 
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index 38bae77..592c180 100644
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -1606,7 +1606,7 @@ undistribute_ops_list (enum tree_code opcode,
     {
       fprintf (dump_file, "searching for un-distribute opportunities ");
       print_generic_expr (dump_file,
-	(*ops)[bitmap_first_set_bit (candidates)]->op, 0);
+	(*ops)[bitmap_first_set_bit (candidates)]->op, TDF_NONE);
       fprintf (dump_file, " %d\n", nr_candidates);
     }
 
diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c
index 4e946ba..80d9938 100644
--- a/gcc/tree-ssa-sccvn.c
+++ b/gcc/tree-ssa-sccvn.c
@@ -5992,7 +5992,7 @@ vn_eliminate (bitmap inserted_exprs)
       if (dump_file && (dump_flags & TDF_DETAILS))
 	{
 	  fprintf (dump_file, "Removing dead stmt ");
-	  print_gimple_stmt (dump_file, stmt, 0, 0);
+	  print_gimple_stmt (dump_file, stmt, 0, TDF_NONE);
 	}
 
       gimple_stmt_iterator gsi = gsi_for_stmt (stmt);
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c
index 0b84f23..3eb67c9 100644
--- a/gcc/tree-vect-data-refs.c
+++ b/gcc/tree-vect-data-refs.c
@@ -3254,7 +3254,7 @@ dependence_distance_ge_vf (data_dependence_relation *ddr,
 /* Dump LOWER_BOUND using flags DUMP_KIND.  Dumps are known to be enabled.  */
 
 static void
-dump_lower_bound (int dump_kind, const vec_lower_bound &lower_bound)
+dump_lower_bound (dump_flags_t dump_kind, const vec_lower_bound &lower_bound)
 {
   dump_printf (dump_kind, "%s (", lower_bound.unsigned_p ? "unsigned" : "abs");
   dump_generic_expr (dump_kind, TDF_SLIM, lower_bound.expr);
-- 
1.8.5.3


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