On Thu, Mar 16, 2017 at 2:18 PM, Matt Turner <[email protected]> wrote:
> ---
> src/compiler/nir/nir.h | 2 +-
> src/compiler/nir/nir_lower_vars_to_ssa.c | 8 ++++++--
> 2 files changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
> index 2dedb45..acbe91c 100644
> --- a/src/compiler/nir/nir.h
> +++ b/src/compiler/nir/nir.h
> @@ -2390,7 +2390,7 @@ bool nir_is_per_vertex_io(nir_variable *var,
> gl_shader_stage stage);
> void nir_lower_io_types(nir_shader *shader);
> void nir_lower_regs_to_ssa_impl(nir_function_impl *impl);
> void nir_lower_regs_to_ssa(nir_shader *shader);
> -void nir_lower_vars_to_ssa(nir_shader *shader);
> +bool nir_lower_vars_to_ssa(nir_shader *shader);
>
> bool nir_remove_dead_variables(nir_shader *shader, nir_variable_mode
> modes);
> bool nir_lower_constant_initializers(nir_shader *shader,
> diff --git a/src/compiler/nir/nir_lower_vars_to_ssa.c
> b/src/compiler/nir/nir_lower_vars_to_ssa.c
> index 37a786c..e5a12eb 100644
> --- a/src/compiler/nir/nir_lower_vars_to_ssa.c
> +++ b/src/compiler/nir/nir_lower_vars_to_ssa.c
> @@ -737,11 +737,15 @@ nir_lower_vars_to_ssa_impl(nir_function_impl *impl)
> return progress;
> }
>
> -void
> +bool
> nir_lower_vars_to_ssa(nir_shader *shader)
> {
> + bool progress = false;
> +
> nir_foreach_function(function, shader) {
> if (function->impl)
> - nir_lower_vars_to_ssa_impl(function->impl);
> + progress |= nir_lower_vars_to_ssa_impl(function->impl);
>
Already had a concept of progress and just didn't wire it up? Good work
me. :(
> }
> +
> + return progress;
> }
> --
> 2.10.2
>
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