Mesa (master): nir: Make a 'var' temporary in nir_lower_io.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 7171a9a87d001d4958a8fb14a78c8235ba4e7e26
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7171a9a87d001d4958a8fb14a78c8235ba4e7e26

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Tue Jul 12 01:51:04 2016 -0700

nir: Make a 'var' temporary in nir_lower_io.

Less typing and word wrapping issues than intrin->variables[0]->var.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

---

 src/compiler/nir/nir_lower_io.c | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/src/compiler/nir/nir_lower_io.c b/src/compiler/nir/nir_lower_io.c
index c25790a..9b53eff 100644
--- a/src/compiler/nir/nir_lower_io.c
+++ b/src/compiler/nir/nir_lower_io.c
@@ -265,7 +265,8 @@ nir_lower_io_block(nir_block *block,
          continue;
       }
 
-      nir_variable_mode mode = intrin->variables[0]->var->data.mode;
+      nir_variable *var = intrin->variables[0]->var;
+      nir_variable_mode mode = var->data.mode;
 
       if ((state->modes & mode) == 0)
          continue;
@@ -280,9 +281,9 @@ nir_lower_io_block(nir_block *block,
 
       switch (intrin->intrinsic) {
       case nir_intrinsic_load_var: {
-         bool per_vertex =
-            is_per_vertex_input(state, intrin->variables[0]->var) ||
-            is_per_vertex_output(state, intrin->variables[0]->var);
+         const bool per_vertex =
+            is_per_vertex_input(state, var) ||
+            is_per_vertex_output(state, var);
 
          nir_ssa_def *offset;
          nir_ssa_def *vertex_index;
@@ -297,15 +298,13 @@ nir_lower_io_block(nir_block *block,
          load->num_components = intrin->num_components;
 
          nir_intrinsic_set_base(load,
-            intrin->variables[0]->var->data.driver_location);
+            var->data.driver_location);
          if (mode == nir_var_shader_in || mode == nir_var_shader_out) {
-            nir_intrinsic_set_component(load,
-               intrin->variables[0]->var->data.location_frac);
+            nir_intrinsic_set_component(load, var->data.location_frac);
          }
 
          if (load->intrinsic == nir_intrinsic_load_uniform) {
-            nir_intrinsic_set_range(load,
-               state->type_size(intrin->variables[0]->var->type));
+            nir_intrinsic_set_range(load, state->type_size(var->type));
          }
 
          if (per_vertex)
@@ -334,8 +333,7 @@ nir_lower_io_block(nir_block *block,
          nir_ssa_def *offset;
          nir_ssa_def *vertex_index;
 
-         bool per_vertex =
-            is_per_vertex_output(state, intrin->variables[0]->var);
+         const bool per_vertex = is_per_vertex_output(state, var);
 
          offset = get_io_offset(b, intrin->variables[0],
                                 per_vertex ? &vertex_index : NULL,
@@ -349,10 +347,9 @@ nir_lower_io_block(nir_block *block,
          nir_src_copy(&store->src[0], &intrin->src[0], store);
 
          nir_intrinsic_set_base(store,
-            intrin->variables[0]->var->data.driver_location);
+            var->data.driver_location);
          if (mode == nir_var_shader_out) {
-            nir_intrinsic_set_component(store,
-               intrin->variables[0]->var->data.location_frac);
+            nir_intrinsic_set_component(store, var->data.location_frac);
          }
          nir_intrinsic_set_write_mask(store, nir_intrinsic_write_mask(intrin));
 
@@ -389,8 +386,7 @@ nir_lower_io_block(nir_block *block,
 
          atomic->src[0] = nir_src_for_ssa(offset);
 
-         atomic->const_index[0] =
-            intrin->variables[0]->var->data.driver_location;
+         atomic->const_index[0] = var->data.driver_location;
 
          for (unsigned i = 0;
               i < nir_op_infos[intrin->intrinsic].num_inputs;