[gcc/devel/ranger] Add code to trace compute_logical_operands.

[Aldy Hernandez]

https://gcc.gnu.org/g:7b0df61d25e5d156aea41fd0ddc318e904db7894

commit 7b0df61d25e5d156aea41fd0ddc318e904db7894
Author: Aldy Hernandez <aldyh@redhat.com>
Date:   Tue Mar 10 10:49:19 2020 +0100

    Add code to trace compute_logical_operands.

Diff:
---
 gcc/gimple-range-gori.cc | 28 ++++++++++++++++++++++++++++
 gcc/gimple-range-gori.h  |  9 ++++++---
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/gcc/gimple-range-gori.cc b/gcc/gimple-range-gori.cc
index b90b0756d83..d6710ffe044 100644
--- a/gcc/gimple-range-gori.cc
+++ b/gcc/gimple-range-gori.cc
@@ -1271,3 +1271,31 @@ trace_gori_compute::compute_operand_range (irange &r, gimple *stmt,
   bool res = super::compute_operand_range (r, stmt, lhs, name, name_range);
   return trailer (idx, "compute_operand_range", res, name, r);
 }
+
+bool
+trace_gori_compute::compute_logical_operands (irange &r, gimple *stmt,
+					      const irange &lhs,
+					      tree name,
+					      const irange *name_range)
+{
+  unsigned idx = ++trace_count;
+  if (dumping (idx))
+    {
+      fprintf (dump_file, "compute_logical_operands (");
+      print_generic_expr (dump_file, name, TDF_SLIM);
+      fprintf (dump_file, ") with range ");
+      if (name_range)
+	name_range->dump (dump_file);
+      else
+	fputs ("NULL", dump_file);
+      fprintf (dump_file, " at stmt:\n");
+      dumping (idx, true);
+      fputs ("    ", dump_file);
+      lhs.dump (dump_file);
+      fprintf (dump_file, " <==> ");
+      print_gimple_stmt (dump_file, stmt, 0, TDF_SLIM);
+      indent += bump;
+    }
+  bool res = super::compute_logical_operands (r, stmt, lhs, name, name_range);
+  return trailer (idx, "compute_logical_operands", res, name, r);
+}
diff --git a/gcc/gimple-range-gori.h b/gcc/gimple-range-gori.h
index eca9571327a..7f4b1a5b482 100644
--- a/gcc/gimple-range-gori.h
+++ b/gcc/gimple-range-gori.h
@@ -157,6 +157,9 @@ protected:
 				      tree name,
 				      const irange *name_range = NULL);
   bool has_edge_range_p (edge e, tree name);
+  virtual bool compute_logical_operands (irange &r, gimple *stmt,
+					 const irange &lhs,
+					 tree name, const irange *name_range);
   gori_map m_gori_map;
 private:
   void get_tree_range (irange &, tree expr, tree name,
@@ -180,9 +183,6 @@ private:
 				(irange &r, gimple *stmt,
 				 const irange &lhs,
 				 tree name, const irange *name_range);
-  bool compute_logical_operands (irange &r, gimple *stmt,
-				 const irange &lhs,
-				 tree name, const irange *name_range);
   bool logical_combine (irange &r, enum tree_code code,
 			const irange &lhs,
 			const irange &op1_true,
@@ -206,6 +206,9 @@ protected:
 				      const irange &lhs,
 				      tree name,
 				      const irange *name_range = NULL);
+  virtual bool compute_logical_operands (irange &r, gimple *stmt,
+					 const irange &lhs,
+					 tree name, const irange *name_range);
 private:
   typedef gori_compute super; 	// Inherited from class for easy changing.
 protected: