From: Timothy Arceri Date: Mon, 16 Jul 2018 04:01:40 +0000 (+1000) Subject: radeonsi/nir: make use of nir_lower_load_const_to_scalar() X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=78f391d343609dca85fdaf1753a3403cf32a3842;p=mesa.git radeonsi/nir: make use of nir_lower_load_const_to_scalar() This allows NIR to CSE more operations. LLVM does this also so the impact is limited, however doing this in NIR allows other opts to make progress. For example some loops in Civilization Beyond Earth shaders are unrolled. Reviewed-by: Marek Olšák --- diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c index 6eb114ad5c0..4ae5b006593 100644 --- a/src/gallium/drivers/radeonsi/si_shader_nir.c +++ b/src/gallium/drivers/radeonsi/si_shader_nir.c @@ -802,6 +802,8 @@ si_lower_nir(struct si_shader_selector* sel) ac_lower_indirect_derefs(sel->nir, sel->screen->info.chip_class); + NIR_PASS_V(sel->nir, nir_lower_load_const_to_scalar); + bool progress; do { progress = false;