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nir: Make nir_copy_deref follow the "clone" pattern

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We rename it to nir_deref_clone, re-order the sources to match the other
clone functions, and expose nir_deref_var_clone.  This past part, in
particular, lets us get rid of quite a few lines since we no longer have
to call nir_copy_deref and wrap it in deref_as_var.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Jason Ekstrand
2016-12-24 09:42:34 -08:00
parent 832dddcf91
commit 134a5ad31c
13 changed files with 51 additions and 65 deletions
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6
src/compiler/nir/nir_builder.h
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@@ -437,7 +437,7 @@ nir_store_deref_var(nir_builder *build, nir_deref_var *deref,
nir_intrinsic_instr_create(build->shader, nir_intrinsic_store_var);
store->num_components = num_components;
store->const_index[0] = writemask & ((1 << num_components) - 1);
store->variables[0] = nir_deref_as_var(nir_copy_deref(store, &deref->deref));
store->variables[0] = nir_deref_var_clone(deref, store);
store->src[0] = nir_src_for_ssa(value);
nir_builder_instr_insert(build, &store->instr);
}
@@ -450,8 +450,8 @@ nir_copy_deref_var(nir_builder *build, nir_deref_var *dest, nir_deref_var *src)
nir_intrinsic_instr *copy =
nir_intrinsic_instr_create(build->shader, nir_intrinsic_copy_var);
copy->variables[0] = nir_deref_as_var(nir_copy_deref(copy, &dest->deref));
copy->variables[1] = nir_deref_as_var(nir_copy_deref(copy, &src->deref));
copy->variables[0] = nir_deref_var_clone(dest, copy);
copy->variables[1] = nir_deref_var_clone(src, copy);
nir_builder_instr_insert(build, &copy->instr);
}