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nir/algebraic: Remove a redundant fabs pattern
authorIan Romanick <ian.d.romanick@intel.com>
Tue, 24 Mar 2020 18:18:02 +0000 (11:18 -0700)
committerMarge Bot <eric+marge@anholt.net>
Wed, 1 Apr 2020 00:28:38 +0000 (00:28 +0000)
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>

src/compiler/nir/nir_opt_algebraic.py patch | blob | history

diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index bb490d2a19c153a2b7c95516cf32d64d9c4e5698..69f804783b20827dfb12c5c52942b8f28a902151 100644 (file)
--- 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)),