From: Jason Ekstrand <jason@jlekstrand.net>
Date: Wed, 5 Jun 2019 23:35:14 +0000 (-0500)
Subject: glsl/loop_analysis: Don't search for NULL variables in the hash table
X-Git-Tag: upstream/19.3.0~5763
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7a18ce0b9119898b6d58b8e76495a40a9fe71765;p=platform%2Fupstream%2Fmesa.git

glsl/loop_analysis: Don't search for NULL variables in the hash table

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---

diff --git a/src/compiler/glsl/loop_analysis.cpp b/src/compiler/glsl/loop_analysis.cpp
index e90eb1c..4041a0f 100644
--- a/src/compiler/glsl/loop_analysis.cpp
+++ b/src/compiler/glsl/loop_analysis.cpp
@@ -288,6 +288,9 @@ loop_state::get(const ir_loop *ir)
 loop_variable *
 loop_variable_state::get(const ir_variable *ir)
 {
+   if (ir == NULL)
+      return NULL;
+
    hash_entry *entry = _mesa_hash_table_search(this->var_hash, ir);
    return entry ? (loop_variable *) entry->data : NULL;
 }