diff options
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_nir.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_nir.cpp b/src/mesa/state_tracker/st_glsl_to_nir.cpp index 2b4c45f5f55..081f85edf53 100644 --- a/src/mesa/state_tracker/st_glsl_to_nir.cpp +++ b/src/mesa/state_tracker/st_glsl_to_nir.cpp @@ -232,6 +232,16 @@ st_nir_opts(nir_shader *nir, bool scalar) progress = false; NIR_PASS_V(nir, nir_lower_vars_to_ssa); + + /* Linking deals with unused inputs/outputs, but here we can remove + * things local to the shader in the hopes that we can cleanup other + * things. This pass will also remove variables with only stores, so we + * might be able to make progress after it. + */ + NIR_PASS(progress, nir, nir_remove_dead_variables, + (nir_variable_mode)(nir_var_function_temp | + nir_var_shader_temp | + nir_var_mem_shared)); NIR_PASS(progress, nir, nir_opt_copy_prop_vars); NIR_PASS(progress, nir, nir_opt_dead_write_vars); |