re PR tree-optimization/78496 (Missed opportunities for jump threading)

	PR tree-optimization/78496
	* tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
	code.

From-SVN: r247722

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0f78f2a..7fb175a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,6 +1,10 @@
 2017-05-06  Jeff Law  <law@redhat.com>
 
        PR tree-optimization/78496
+       * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
+       code.
+
+       PR tree-optimization/78496
        * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
        (simplify_stmt_using_ranges): Call it.
        (vrp_dom_walker::before_dom_children): Extract equivalences

diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index 461a48f..4d29158 100644 (file)
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -9608,7 +9608,6 @@ range_fits_type_p (value_range *vr, unsigned dest_precision, signop dest_sgn)
 static bool
 simplify_assert_expr_using_ranges (gimple *stmt)
 {
-  return false;
   tree cond = TREE_OPERAND (gimple_assign_rhs1 (stmt), 1);
   tree_code code = TREE_CODE (cond);
   tree op0 = TREE_OPERAND (cond, 0);