From: Ian Romanick <ian.d.romanick@intel.com>
Date: Tue, 24 Mar 2020 18:18:02 +0000 (-0700)
Subject: nir/algebraic: Remove a redundant fabs pattern
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b097e326b8b066d3697c79aec2c6c32c453757f9;p=mesa.git

nir/algebraic: Remove a redundant fabs pattern

Made redundant by 5544b2cbbd2 ("nir/algebraic: Use value range analysis
to eliminate useless unary ops").

No shader-db changes on any Intel platform.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/1359>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/1359>
---

diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index bb490d2a19c..69f804783b2 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -109,7 +109,6 @@ optimizations = [
 
    (('~fneg', ('fneg', a)), a),
    (('ineg', ('ineg', a)), a),
-   (('fabs', ('fabs', a)), ('fabs', a)),
    (('fabs', ('fneg', a)), ('fabs', a)),
    (('fabs', ('u2f', a)), ('u2f', a)),
    (('iabs', ('iabs', a)), ('iabs', a)),