Mesa (master): r600/sfn: run late algebraic optimizations

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Module: Mesa
Branch: master
Commit: 4f4e90bfbb919e178db570d83b17d87976e80fce
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4f4e90bfbb919e178db570d83b17d87976e80fce

Author: Gert Wollny <gert.wollny at collabora.com>
Date:   Tue Sep 22 09:01:48 2020 +0200

r600/sfn: run late algebraic optimizations

Signed-off-by: Gert Wollny <gert.wollny at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6814>

---

 src/gallium/drivers/r600/sfn/sfn_nir.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/r600/sfn/sfn_nir.cpp b/src/gallium/drivers/r600/sfn/sfn_nir.cpp
index 091f4ffface..d7749431c2e 100644
--- a/src/gallium/drivers/r600/sfn/sfn_nir.cpp
+++ b/src/gallium/drivers/r600/sfn/sfn_nir.cpp
@@ -803,7 +803,10 @@ int r600_shader_from_nir(struct r600_context *rctx,
 
    auto sh = nir_shader_clone(sel->nir, sel->nir);
 
+   NIR_PASS_V(sh, nir_opt_algebraic_late);
+
    NIR_PASS_V(sh, nir_lower_locals_to_regs);
+
    //NIR_PASS_V(sel->nir, nir_opt_algebraic);
    //NIR_PASS_V(sel->nir, nir_copy_prop);
    NIR_PASS_V(sh, nir_lower_to_source_mods, nir_lower_float_source_mods);