From b84cbdfd4da9607100e5a6ae0d2fc0ee707953b2 Mon Sep 17 00:00:00 2001
From: Dylan Baker <dylan@pnwbakers.com>
Date: Wed, 4 Sep 2019 16:24:27 -0700
Subject: [PATCH] nir: Add is_not_negative helper function

This was taken from 636da1243346e4e2a5aaf79bac65850884a9b859, and is
needed by the next patch.
---
 src/compiler/nir/nir_range_analysis.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/compiler/nir/nir_range_analysis.c b/src/compiler/nir/nir_range_analysis.c
index 6dfaea167ac..28ed8ac846e 100644
--- a/src/compiler/nir/nir_range_analysis.c
+++ b/src/compiler/nir/nir_range_analysis.c
@@ -31,6 +31,12 @@
  * the result.
  */
 
+static bool
+is_not_negative(enum ssa_ranges r)
+{
+   return r == gt_zero || r == ge_zero || r == eq_zero;
+}
+
 static void *
 pack_data(const struct ssa_result_range r)
 {