nir: rename nir_var_function to nir_var_function_temp

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/compiler/nir/nir_inline_functions.c

@@ -141,7 +141,7 @@ inline_function_impl(nir_function_impl *impl, struct set *inlined)
  * For most use-cases, function inlining is a multi-step process.  The general
  * pattern employed by SPIR-V consumers and others is as follows:
  *
- *  1. nir_lower_constant_initializers(shader, nir_var_function)
+ *  1. nir_lower_constant_initializers(shader, nir_var_function_temp)
  *
  *     This is needed because local variables from the callee are simply added
  *     to the locals list for the caller and the information about where the
@@ -196,7 +196,7 @@ inline_function_impl(nir_function_impl *impl, struct set *inlined)
  *    spirv_to_nir returns the root function and so we can just use == whereas
  *    with GL, you may have to look for a function named "main".
  *
- *  6. nir_lower_constant_initializers(shader, ~nir_var_function)
+ *  6. nir_lower_constant_initializers(shader, ~nir_var_function_temp)
  *
  *     Lowering constant initializers on inputs, outputs, global variables,
  *     etc. requires that we know the main entrypoint so that we know where to