[Mesa-dev] [PATCH v2 03/23] nir: add bit_size info to nir_ssa_undef_instr_create()

Jason Ekstrand jason at jlekstrand.net
Fri Apr 1 19:02:06 UTC 2016


On Thu, Mar 31, 2016 at 2:59 AM, Samuel Iglesias Gonsálvez <
siglesias at igalia.com> wrote:

> Signed-off-by: Samuel Iglesias Gonsálvez <siglesias at igalia.com>
> ---
>  src/compiler/nir/glsl_to_nir.cpp         | 2 +-
>  src/compiler/nir/nir.c                   | 6 ++++--
>  src/compiler/nir/nir.h                   | 3 ++-
>  src/compiler/nir/nir_builder.h           | 2 +-
>  src/compiler/nir/nir_clone.c             | 3 ++-
>  src/compiler/nir/nir_control_flow.c      | 5 +++--
>  src/compiler/nir/nir_lower_vars_to_ssa.c | 3 ++-
>  src/compiler/nir/nir_phi_builder.c       | 3 ++-
>  src/compiler/nir/nir_to_ssa.c            | 2 +-
>  9 files changed, 18 insertions(+), 11 deletions(-)
>
> diff --git a/src/compiler/nir/glsl_to_nir.cpp
> b/src/compiler/nir/glsl_to_nir.cpp
> index 1fac481..c35ec7e 100644
> --- a/src/compiler/nir/glsl_to_nir.cpp
> +++ b/src/compiler/nir/glsl_to_nir.cpp
> @@ -735,7 +735,7 @@ nir_visitor::visit(ir_call *ir)
>        case nir_intrinsic_image_samples:
>        case nir_intrinsic_image_size: {
>           nir_ssa_undef_instr *instr_undef =
> -            nir_ssa_undef_instr_create(shader, 1);
> +            nir_ssa_undef_instr_create(shader, 1, 32);
>           nir_builder_instr_insert(&b, &instr_undef->instr);
>
>           /* Set the image variable dereference. */
> diff --git a/src/compiler/nir/nir.c b/src/compiler/nir/nir.c
> index b67916d..e45f727 100644
> --- a/src/compiler/nir/nir.c
> +++ b/src/compiler/nir/nir.c
> @@ -558,12 +558,14 @@ nir_parallel_copy_instr_create(nir_shader *shader)
>  }
>
>  nir_ssa_undef_instr *
> -nir_ssa_undef_instr_create(nir_shader *shader, unsigned num_components)
> +nir_ssa_undef_instr_create(nir_shader *shader,
> +                           unsigned num_components,
> +                           unsigned bit_size)
>  {
>     nir_ssa_undef_instr *instr = ralloc(shader, nir_ssa_undef_instr);
>     instr_init(&instr->instr, nir_instr_type_ssa_undef);
>
> -   nir_ssa_def_init(&instr->instr, &instr->def, num_components, 32, NULL);
> +   nir_ssa_def_init(&instr->instr, &instr->def, num_components, bit_size,
> NULL);
>
>     return instr;
>  }
> diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
> index c19ae59..3a4c771 100644
> --- a/src/compiler/nir/nir.h
> +++ b/src/compiler/nir/nir.h
> @@ -1845,7 +1845,8 @@ nir_phi_instr *nir_phi_instr_create(nir_shader
> *shader);
>  nir_parallel_copy_instr *nir_parallel_copy_instr_create(nir_shader
> *shader);
>
>  nir_ssa_undef_instr *nir_ssa_undef_instr_create(nir_shader *shader,
> -                                                unsigned num_components);
> +                                                unsigned num_components,
> +                                                unsigned bit_size);
>
>  nir_deref_var *nir_deref_var_create(void *mem_ctx, nir_variable *var);
>  nir_deref_array *nir_deref_array_create(void *mem_ctx);
> diff --git a/src/compiler/nir/nir_builder.h
> b/src/compiler/nir/nir_builder.h
> index 3dc7c25..a894aba 100644
> --- a/src/compiler/nir/nir_builder.h
> +++ b/src/compiler/nir/nir_builder.h
> @@ -78,7 +78,7 @@ static inline nir_ssa_def *
>  nir_ssa_undef(nir_builder *build, unsigned num_components, unsigned
> bit_size)
>  {
>     nir_ssa_undef_instr *undef =
> -      nir_ssa_undef_instr_create(build->shader, num_components);
> +      nir_ssa_undef_instr_create(build->shader, num_components, bit_size);
>     undef->def.bit_size = bit_size;
>     if (!undef)
>        return NULL;
> diff --git a/src/compiler/nir/nir_clone.c b/src/compiler/nir/nir_clone.c
> index 7d2e383..a3d467d 100644
> --- a/src/compiler/nir/nir_clone.c
> +++ b/src/compiler/nir/nir_clone.c
> @@ -372,7 +372,8 @@ static nir_ssa_undef_instr *
>  clone_ssa_undef(clone_state *state, const nir_ssa_undef_instr *sa)
>  {
>     nir_ssa_undef_instr *nsa =
> -      nir_ssa_undef_instr_create(state->ns, sa->def.num_components);
> +      nir_ssa_undef_instr_create(state->ns, sa->def.num_components,
> +                                 sa->def.bit_size);
>
>     add_remap(state, &nsa->def, &sa->def);
>
> diff --git a/src/compiler/nir/nir_control_flow.c
> b/src/compiler/nir/nir_control_flow.c
> index 33b06d0..6d9fa1b 100644
> --- a/src/compiler/nir/nir_control_flow.c
> +++ b/src/compiler/nir/nir_control_flow.c
> @@ -281,7 +281,8 @@ insert_phi_undef(nir_block *block, nir_block *pred)
>        nir_phi_instr *phi = nir_instr_as_phi(instr);
>        nir_ssa_undef_instr *undef =
>           nir_ssa_undef_instr_create(ralloc_parent(phi),
> -                                    phi->dest.ssa.num_components);
> +                                    phi->dest.ssa.num_components,
> +                                    32);
>

Should be phi->dest.ssa.bit_size


>        nir_instr_insert_before_cf_list(&impl->body, &undef->instr);
>        nir_phi_src *src = ralloc(phi, nir_phi_src);
>        src->pred = pred;
> @@ -691,7 +692,7 @@ replace_ssa_def_uses(nir_ssa_def *def, void *void_impl)
>     void *mem_ctx = ralloc_parent(impl);
>
>     nir_ssa_undef_instr *undef =
> -      nir_ssa_undef_instr_create(mem_ctx, def->num_components);
> +      nir_ssa_undef_instr_create(mem_ctx, def->num_components, 32);
>

def->bit_size


>     nir_instr_insert_before_cf_list(&impl->body, &undef->instr);
>     nir_ssa_def_rewrite_uses(def, nir_src_for_ssa(&undef->def));
>     return true;
> diff --git a/src/compiler/nir/nir_lower_vars_to_ssa.c
> b/src/compiler/nir/nir_lower_vars_to_ssa.c
> index 9f9e454..3bd8d6e 100644
> --- a/src/compiler/nir/nir_lower_vars_to_ssa.c
> +++ b/src/compiler/nir/nir_lower_vars_to_ssa.c
> @@ -504,7 +504,8 @@ rename_variables_block(nir_block *block, struct
> lower_variables_state *state)
>               */
>              nir_ssa_undef_instr *undef =
>                 nir_ssa_undef_instr_create(state->shader,
> -                                          intrin->num_components);
> +                                          intrin->num_components,
> +                                          intrin->dest.ssa.bit_size);
>              undef->def.bit_size = intrin->dest.ssa.bit_size;
>
>              nir_instr_insert_before(&intrin->instr, &undef->instr);
> diff --git a/src/compiler/nir/nir_phi_builder.c
> b/src/compiler/nir/nir_phi_builder.c
> index a39e360..1f1388a 100644
> --- a/src/compiler/nir/nir_phi_builder.c
> +++ b/src/compiler/nir/nir_phi_builder.c
> @@ -195,7 +195,8 @@ nir_phi_builder_value_get_block_def(struct
> nir_phi_builder_value *val,
>            */
>           nir_ssa_undef_instr *undef =
>              nir_ssa_undef_instr_create(val->builder->shader,
> -                                       val->num_components);
> +                                       val->num_components,
> +                                       val->bit_size);
>           nir_instr_insert(nir_before_cf_list(&val->builder->impl->body),
>                            &undef->instr);
>           val->defs[block->index] = &undef->def;
> diff --git a/src/compiler/nir/nir_to_ssa.c b/src/compiler/nir/nir_to_ssa.c
> index d588d7d..04276cd 100644
> --- a/src/compiler/nir/nir_to_ssa.c
> +++ b/src/compiler/nir/nir_to_ssa.c
> @@ -160,7 +160,7 @@ static nir_ssa_def *get_ssa_src(nir_register *reg,
> rewrite_state *state)
>         * to preserve the information that this source is undefined
>         */
>        nir_ssa_undef_instr *instr =
> -         nir_ssa_undef_instr_create(state->mem_ctx, reg->num_components);
> +         nir_ssa_undef_instr_create(state->mem_ctx, reg->num_components,
> 32);
>

reg->bit_size


>
>        /*
>         * We could just insert the undefined instruction before the
> instruction
> --
> 2.5.0
>
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