diff mbox series

Add statistics counting to PHI-OPT

Message ID 1623384875-27177-1-git-send-email-apinski@marvell.com
State New
Headers show
Series Add statistics counting to PHI-OPT | expand

Commit Message

Li, Pan2 via Gcc-patches June 11, 2021, 4:14 a.m. UTC
From: Andrew Pinski <apinski@marvell.com>

This should have been done before I started to work on connecting
PHI-OPT to match-and-simplify to see quickly if we miss anything
but it is better late than never.
Anyways there was no statistics counting in PHI-OPT before so adding
it is the right thing to do.

OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions.

gcc/ChangeLog:

	* tree-ssa-phiopt.c (replace_phi_edge_with_variable):
	Add counting of how many times it is done.
	(factor_out_conditional_conversion): Likewise.
	(match_simplify_replacement): Likewise.
	(value_replacement): Likewise.
	(spaceship_replacement): Likewise.
	(cond_store_replacement): Likewise.
	(cond_if_else_store_replacement_1): Likewise.
	(hoist_adjacent_loads): Likewise.
---
 gcc/tree-ssa-phiopt.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

Comments

Richard Biener June 11, 2021, 7:50 a.m. UTC | #1
On Fri, Jun 11, 2021 at 6:15 AM apinski--- via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> From: Andrew Pinski <apinski@marvell.com>
>
> This should have been done before I started to work on connecting
> PHI-OPT to match-and-simplify to see quickly if we miss anything
> but it is better late than never.
> Anyways there was no statistics counting in PHI-OPT before so adding
> it is the right thing to do.
>
> OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions.

OK (minor nit - the strings have inconsistent starting with/without caps)

Thanks,
Richard.

> gcc/ChangeLog:
>
>         * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
>         Add counting of how many times it is done.
>         (factor_out_conditional_conversion): Likewise.
>         (match_simplify_replacement): Likewise.
>         (value_replacement): Likewise.
>         (spaceship_replacement): Likewise.
>         (cond_store_replacement): Likewise.
>         (cond_if_else_store_replacement_1): Likewise.
>         (hoist_adjacent_loads): Likewise.
> ---
>  gcc/tree-ssa-phiopt.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
>
> diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c
> index 76f4e7ec843..02e26f974a5 100644
> --- a/gcc/tree-ssa-phiopt.c
> +++ b/gcc/tree-ssa-phiopt.c
> @@ -419,6 +419,8 @@ replace_phi_edge_with_variable (basic_block cond_block,
>    gsi = gsi_last_bb (cond_block);
>    gsi_remove (&gsi, true);
>
> +  statistics_counter_event (cfun, "Replace PHI with variable", 1);
> +
>    if (dump_file && (dump_flags & TDF_DETAILS))
>      fprintf (dump_file,
>               "COND_EXPR in block %d and PHI in block %d converted to straightline code.\n",
> @@ -618,6 +620,9 @@ factor_out_conditional_conversion (edge e0, edge e1, gphi *phi,
>    /* Remove the original PHI stmt.  */
>    gsi = gsi_for_stmt (phi);
>    gsi_remove (&gsi, true);
> +
> +  statistics_counter_event (cfun, "factored out cast", 1);
> +
>    return newphi;
>  }
>
> @@ -893,6 +898,11 @@ match_simplify_replacement (basic_block cond_bb, basic_block middle_bb,
>
>    replace_phi_edge_with_variable (cond_bb, e1, phi, result);
>
> +  /* Add Statistic here even though replace_phi_edge_with_variable already
> +     does it as we want to be able to count when match-simplify happens vs
> +     the others.  */
> +  statistics_counter_event (cfun, "match-simplify PHI replacement", 1);
> +
>    /* Note that we optimized this PHI.  */
>    return true;
>  }
> @@ -1196,6 +1206,8 @@ value_replacement (basic_block cond_bb, basic_block middle_bb,
>         }
>        else
>         {
> +         statistics_counter_event (cfun, "Replace PHI with variable/value_replacement", 1);
> +
>           /* Replace the PHI arguments with arg. */
>           SET_PHI_ARG_DEF (phi, e0->dest_idx, arg);
>           SET_PHI_ARG_DEF (phi, e1->dest_idx, arg);
> @@ -2320,6 +2332,7 @@ spaceship_replacement (basic_block cond_bb, basic_block middle_bb,
>
>    gimple_stmt_iterator psi = gsi_for_stmt (phi);
>    remove_phi_node (&psi, true);
> +  statistics_counter_event (cfun, "spaceship replacement", 1);
>
>    return true;
>  }
> @@ -2982,6 +2995,7 @@ cond_store_replacement (basic_block middle_bb, basic_block join_bb,
>        fprintf (dump_file, "\nInserted a new PHI statement in joint block:\n");
>        print_gimple_stmt (dump_file, new_stmt, 0, TDF_VOPS|TDF_MEMSYMS);
>      }
> +  statistics_counter_event (cfun, "conditional store replacement", 1);
>
>    return true;
>  }
> @@ -3056,6 +3070,8 @@ cond_if_else_store_replacement_1 (basic_block then_bb, basic_block else_bb,
>    else
>      gsi_insert_before (&gsi, new_stmt, GSI_NEW_STMT);
>
> +  statistics_counter_event (cfun, "if-then-else store replacement", 1);
> +
>    return true;
>  }
>
> @@ -3469,6 +3485,7 @@ hoist_adjacent_loads (basic_block bb0, basic_block bb1,
>        gsi_move_to_bb_end (&gsi2, bb0);
>        gsi2 = gsi_for_stmt (def2);
>        gsi_move_to_bb_end (&gsi2, bb0);
> +      statistics_counter_event (cfun, "hoisted loads", 1);
>
>        if (dump_file && (dump_flags & TDF_DETAILS))
>         {
> --
> 2.27.0
>
Andrew Pinski June 18, 2021, 7:48 a.m. UTC | #2
On Fri, Jun 11, 2021 at 12:51 AM Richard Biener via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> On Fri, Jun 11, 2021 at 6:15 AM apinski--- via Gcc-patches
> <gcc-patches@gcc.gnu.org> wrote:
> >
> > From: Andrew Pinski <apinski@marvell.com>
> >
> > This should have been done before I started to work on connecting
> > PHI-OPT to match-and-simplify to see quickly if we miss anything
> > but it is better late than never.
> > Anyways there was no statistics counting in PHI-OPT before so adding
> > it is the right thing to do.
> >
> > OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions.
>
> OK (minor nit - the strings have inconsistent starting with/without caps)

So I looked into statistics_counter_event usage and noticed they are
very inconsistent starting with/without caps. It seems like the
original usage of it was with a caps and then over time people added
some without.
We should have a rule somewhere about this; note I am NOT going to implement it.

Thanks,
Andrew


>
> Thanks,
> Richard.
>
> > gcc/ChangeLog:
> >
> >         * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
> >         Add counting of how many times it is done.
> >         (factor_out_conditional_conversion): Likewise.
> >         (match_simplify_replacement): Likewise.
> >         (value_replacement): Likewise.
> >         (spaceship_replacement): Likewise.
> >         (cond_store_replacement): Likewise.
> >         (cond_if_else_store_replacement_1): Likewise.
> >         (hoist_adjacent_loads): Likewise.
> > ---
> >  gcc/tree-ssa-phiopt.c | 17 +++++++++++++++++
> >  1 file changed, 17 insertions(+)
> >
> > diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c
> > index 76f4e7ec843..02e26f974a5 100644
> > --- a/gcc/tree-ssa-phiopt.c
> > +++ b/gcc/tree-ssa-phiopt.c
> > @@ -419,6 +419,8 @@ replace_phi_edge_with_variable (basic_block cond_block,
> >    gsi = gsi_last_bb (cond_block);
> >    gsi_remove (&gsi, true);
> >
> > +  statistics_counter_event (cfun, "Replace PHI with variable", 1);
> > +
> >    if (dump_file && (dump_flags & TDF_DETAILS))
> >      fprintf (dump_file,
> >               "COND_EXPR in block %d and PHI in block %d converted to straightline code.\n",
> > @@ -618,6 +620,9 @@ factor_out_conditional_conversion (edge e0, edge e1, gphi *phi,
> >    /* Remove the original PHI stmt.  */
> >    gsi = gsi_for_stmt (phi);
> >    gsi_remove (&gsi, true);
> > +
> > +  statistics_counter_event (cfun, "factored out cast", 1);
> > +
> >    return newphi;
> >  }
> >
> > @@ -893,6 +898,11 @@ match_simplify_replacement (basic_block cond_bb, basic_block middle_bb,
> >
> >    replace_phi_edge_with_variable (cond_bb, e1, phi, result);
> >
> > +  /* Add Statistic here even though replace_phi_edge_with_variable already
> > +     does it as we want to be able to count when match-simplify happens vs
> > +     the others.  */
> > +  statistics_counter_event (cfun, "match-simplify PHI replacement", 1);
> > +
> >    /* Note that we optimized this PHI.  */
> >    return true;
> >  }
> > @@ -1196,6 +1206,8 @@ value_replacement (basic_block cond_bb, basic_block middle_bb,
> >         }
> >        else
> >         {
> > +         statistics_counter_event (cfun, "Replace PHI with variable/value_replacement", 1);
> > +
> >           /* Replace the PHI arguments with arg. */
> >           SET_PHI_ARG_DEF (phi, e0->dest_idx, arg);
> >           SET_PHI_ARG_DEF (phi, e1->dest_idx, arg);
> > @@ -2320,6 +2332,7 @@ spaceship_replacement (basic_block cond_bb, basic_block middle_bb,
> >
> >    gimple_stmt_iterator psi = gsi_for_stmt (phi);
> >    remove_phi_node (&psi, true);
> > +  statistics_counter_event (cfun, "spaceship replacement", 1);
> >
> >    return true;
> >  }
> > @@ -2982,6 +2995,7 @@ cond_store_replacement (basic_block middle_bb, basic_block join_bb,
> >        fprintf (dump_file, "\nInserted a new PHI statement in joint block:\n");
> >        print_gimple_stmt (dump_file, new_stmt, 0, TDF_VOPS|TDF_MEMSYMS);
> >      }
> > +  statistics_counter_event (cfun, "conditional store replacement", 1);
> >
> >    return true;
> >  }
> > @@ -3056,6 +3070,8 @@ cond_if_else_store_replacement_1 (basic_block then_bb, basic_block else_bb,
> >    else
> >      gsi_insert_before (&gsi, new_stmt, GSI_NEW_STMT);
> >
> > +  statistics_counter_event (cfun, "if-then-else store replacement", 1);
> > +
> >    return true;
> >  }
> >
> > @@ -3469,6 +3485,7 @@ hoist_adjacent_loads (basic_block bb0, basic_block bb1,
> >        gsi_move_to_bb_end (&gsi2, bb0);
> >        gsi2 = gsi_for_stmt (def2);
> >        gsi_move_to_bb_end (&gsi2, bb0);
> > +      statistics_counter_event (cfun, "hoisted loads", 1);
> >
> >        if (dump_file && (dump_flags & TDF_DETAILS))
> >         {
> > --
> > 2.27.0
> >
diff mbox series

Patch

diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c
index 76f4e7ec843..02e26f974a5 100644
--- a/gcc/tree-ssa-phiopt.c
+++ b/gcc/tree-ssa-phiopt.c
@@ -419,6 +419,8 @@  replace_phi_edge_with_variable (basic_block cond_block,
   gsi = gsi_last_bb (cond_block);
   gsi_remove (&gsi, true);
 
+  statistics_counter_event (cfun, "Replace PHI with variable", 1);
+
   if (dump_file && (dump_flags & TDF_DETAILS))
     fprintf (dump_file,
 	      "COND_EXPR in block %d and PHI in block %d converted to straightline code.\n",
@@ -618,6 +620,9 @@  factor_out_conditional_conversion (edge e0, edge e1, gphi *phi,
   /* Remove the original PHI stmt.  */
   gsi = gsi_for_stmt (phi);
   gsi_remove (&gsi, true);
+
+  statistics_counter_event (cfun, "factored out cast", 1);
+
   return newphi;
 }
 
@@ -893,6 +898,11 @@  match_simplify_replacement (basic_block cond_bb, basic_block middle_bb,
 
   replace_phi_edge_with_variable (cond_bb, e1, phi, result);
 
+  /* Add Statistic here even though replace_phi_edge_with_variable already
+     does it as we want to be able to count when match-simplify happens vs
+     the others.  */
+  statistics_counter_event (cfun, "match-simplify PHI replacement", 1);
+
   /* Note that we optimized this PHI.  */
   return true;
 }
@@ -1196,6 +1206,8 @@  value_replacement (basic_block cond_bb, basic_block middle_bb,
 	}
       else
 	{
+	  statistics_counter_event (cfun, "Replace PHI with variable/value_replacement", 1);
+
 	  /* Replace the PHI arguments with arg. */
 	  SET_PHI_ARG_DEF (phi, e0->dest_idx, arg);
 	  SET_PHI_ARG_DEF (phi, e1->dest_idx, arg);
@@ -2320,6 +2332,7 @@  spaceship_replacement (basic_block cond_bb, basic_block middle_bb,
 
   gimple_stmt_iterator psi = gsi_for_stmt (phi);
   remove_phi_node (&psi, true);
+  statistics_counter_event (cfun, "spaceship replacement", 1);
 
   return true;
 }
@@ -2982,6 +2995,7 @@  cond_store_replacement (basic_block middle_bb, basic_block join_bb,
       fprintf (dump_file, "\nInserted a new PHI statement in joint block:\n");
       print_gimple_stmt (dump_file, new_stmt, 0, TDF_VOPS|TDF_MEMSYMS);
     }
+  statistics_counter_event (cfun, "conditional store replacement", 1);
 
   return true;
 }
@@ -3056,6 +3070,8 @@  cond_if_else_store_replacement_1 (basic_block then_bb, basic_block else_bb,
   else
     gsi_insert_before (&gsi, new_stmt, GSI_NEW_STMT);
 
+  statistics_counter_event (cfun, "if-then-else store replacement", 1);
+
   return true;
 }
 
@@ -3469,6 +3485,7 @@  hoist_adjacent_loads (basic_block bb0, basic_block bb1,
       gsi_move_to_bb_end (&gsi2, bb0);
       gsi2 = gsi_for_stmt (def2);
       gsi_move_to_bb_end (&gsi2, bb0);
+      statistics_counter_event (cfun, "hoisted loads", 1);
 
       if (dump_file && (dump_flags & TDF_DETAILS))
 	{