[COMMITTED] Inline irange::set_nonzero.

[Aldy Hernandez via Gcc-patches]

irange::set_nonzero is used everywhere and benefits immensely from
inlining.

gcc/ChangeLog:

        * value-range.h (irange::set_nonzero): Inline.
---
 gcc/value-range.h | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/gcc/value-range.h b/gcc/value-range.h
index 9a834c91b17..5cff50e6d03 100644
--- a/gcc/value-range.h
+++ b/gcc/value-range.h
@@ -886,8 +886,24 @@ irange::upper_bound () const
 inline void
 irange::set_nonzero (tree type)
 {
-  wide_int zero = wi::zero (TYPE_PRECISION (type));
-  set (type, zero, zero, VR_ANTI_RANGE);
+  unsigned prec = TYPE_PRECISION (type);
+
+  if (TYPE_UNSIGNED (type))
+    {
+      m_type = type;
+      m_kind = VR_RANGE;
+      m_base[0] = wi::one (prec);
+      m_base[1] = m_nonzero_mask = wi::minus_one (prec);
+      m_num_ranges = 1;
+
+      if (flag_checking)
+       verify_range ();
+    }
+  else
+    {
+      wide_int zero = wi::zero (prec);
+      set (type, zero, zero, VR_ANTI_RANGE);
+    }
 }
 
 // Set value range VR to a ZERO range of type TYPE.
-- 
2.40.0