From 14a9bb04e4a27c881d62d28be1ffd48516aac976 Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Wed, 14 Jul 2021 19:48:11 -0700
Subject: [PATCH] nir/algebraic: Remove redundant i2b(-x) pattern
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The exact same pattern appears later (around line 1323).

No shader-db or fossil-db changes on any Intel platform.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Acked-by: Jesse Natalie <jenatali@microsoft.com>
Tested-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15121>
---
 src/compiler/nir/nir_opt_algebraic.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index 1f9b0915078..64d87176b57 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -136,7 +136,6 @@ optimizations = [
    (('iabs', ('iabs', a)), ('iabs', a)),
    (('iabs', ('ineg', a)), ('iabs', a)),
    (('f2b', ('fneg', a)), ('f2b', a)),
-   (('i2b', ('ineg', a)), ('i2b', a)),
    (('~fadd', a, 0.0), a),
    # a+0.0 is 'a' unless 'a' is denormal or -0.0. If it's only used by a
    # floating point instruction, they should flush any input denormals and we