Mesa (master): glsl: flatten a tautological conditional in lower_precision

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Module: Mesa
Branch: master
Commit: 977b84652a1f5785d08e65723d676a94020f6ff6
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=977b84652a1f5785d08e65723d676a94020f6ff6

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Fri Jun 26 07:16:41 2020 -0400

glsl: flatten a tautological conditional in lower_precision

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5746>

---

 src/compiler/glsl/lower_precision.cpp | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/compiler/glsl/lower_precision.cpp b/src/compiler/glsl/lower_precision.cpp
index ff5e5104c3f..b2d8330a44d 100644
--- a/src/compiler/glsl/lower_precision.cpp
+++ b/src/compiler/glsl/lower_precision.cpp
@@ -378,14 +378,11 @@ find_lowerable_rvalues_visitor::visit_enter(ir_texture *ir)
 {
    ir_hierarchical_visitor::visit_enter(ir);
 
-   if (stack.back().state == UNKNOWN) {
-      /* The precision of the sample value depends on the precision of the
-       * sampler.
-       */
-      stack.back().state = handle_precision(ir->type,
-                                            ir->sampler->precision());
-   }
-
+   /* The precision of the sample value depends on the precision of the
+    * sampler.
+    */
+   stack.back().state = handle_precision(ir->type,
+                                         ir->sampler->precision());
    return visit_continue;
 }