Remove dead code in IPA ICF.

2019-10-31  Martin Liska  <mliska@suse.cz>

	* ipa-icf-gimple.c (func_checker::compare_tree_ssa_label): Remove.
	* ipa-icf-gimple.h: Remove declaration from compare_tree_ssa_label
	and compare_memory_operand.

From-SVN: r277675

gcc/ChangeLog

+2019-10-31  Martin Liska  <mliska@suse.cz>
+
+	* ipa-icf-gimple.c (func_checker::compare_tree_ssa_label): Remove.
+	* ipa-icf-gimple.h: Remove declaration from compare_tree_ssa_label
+	and compare_memory_operand.
+
 2019-10-31  Jakub Jelinek  <jakub@redhat.com>
 
 	* configure.ac: Compute and substitute omp_device_properties and

gcc/ipa-icf-gimple.c

@@ -652,14 +652,6 @@ func_checker::compare_gimple_cond (gimple *s1, gimple *s2)
   return compare_operand (t1, t2);
 }
 
-/* Verifies that tree labels T1 and T2 correspond in FUNC1 and FUNC2.  */
-
-bool
-func_checker::compare_tree_ssa_label (tree t1, tree t2)
-{
-  return compare_operand (t1, t2);
-}
-
 /* Verifies for given GIMPLE_LABEL stmts S1 and S2 that
    label statements are semantically equivalent.  */
 

gcc/ipa-icf-gimple.h

@@ -190,12 +190,6 @@ public:
   /* Verification function for declaration trees T1 and T2.  */
   bool compare_decl (const_tree t1, const_tree t2);
 
-  /* Verifies that tree labels T1 and T2 correspond.  */
-  bool compare_tree_ssa_label (tree t1, tree t2);
-
-  /* Function compare for equality given memory operands T1 and T2.  */
-  bool compare_memory_operand (tree t1, tree t2);
-
   /* Function responsible for comparison of various operands T1 and T2.
      If these components, from functions FUNC1 and FUNC2, are equal, true
      is returned.  */