microsoft/compiler: Remove dead code/variables

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7780>

src/microsoft/compiler/dxil_module.c

@@ -808,7 +808,6 @@ dxil_module_get_res_type(struct dxil_module *m, enum dxil_resource_kind kind,
    case DXIL_RESOURCE_KIND_TEXTURECUBE:
    case DXIL_RESOURCE_KIND_TEXTURECUBE_ARRAY:
    {
-      const struct dxil_type *int32_type = dxil_module_get_int_type(m, 32);
       const struct dxil_type *component_type = dxil_module_get_type_from_comp_type(m, comp_type);
       const struct dxil_type *vec_type = dxil_module_get_vector_type(m, component_type, 4);
       char class_name[64] = { 0 };
@@ -1261,7 +1260,6 @@ emit_attrib_group(struct dxil_module *m, int id, uint32_t slot,
    size_t size = 2;
 
    for (int i = 0; i < num_attrs; ++i) {
-      uint64_t kind;
       switch (attrs[i].type) {
       case DXIL_ATTR_ENUM:
          assert(size < ARRAY_SIZE(record) - 2);

src/microsoft/compiler/dxil_nir.c

@@ -79,7 +79,6 @@ load_comps_to_vec32(nir_builder *b, unsigned src_bit_size,
    nir_ssa_def *vec32comps[4];
 
    for (unsigned i = 0; i < num_vec32comps; i += step) {
-      nir_ssa_def *tmp;
       switch (src_bit_size) {
       case 64:
          vec32comps[i] = nir_unpack_64_2x32_split_x(b, src_comps[i / 2]);
@@ -1234,7 +1233,6 @@ float_to_half_impl(nir_builder *b, nir_ssa_def *src, nir_rounding_mode mode)
 {
    nir_ssa_def *f32infinity = nir_imm_int(b, 255 << 23);
    nir_ssa_def *f16max = nir_imm_int(b, (127 + 16) << 23);
-   nir_ssa_def *denorm_magic = nir_imm_int(b, ((127 - 15) + (23 - 10) + 1) << 23);
    nir_ssa_def *sign = nir_iand(b, src, nir_imm_int(b, 0x80000000));
    nir_ssa_def *one = nir_imm_int(b, 1);
 

src/microsoft/compiler/nir_to_dxil.c

@@ -366,39 +366,6 @@ emit_sampler_metadata(struct dxil_module *m, const struct dxil_type *struct_type
    return dxil_get_metadata_node(m, fields, ARRAY_SIZE(fields));
 }
 
-static const struct dxil_type *
-get_glsl_basetype(struct dxil_module *m, enum glsl_base_type type)
-{
-   switch (type) {
-   case GLSL_TYPE_BOOL:
-      return dxil_module_get_int_type(m, 1);
-
-   case GLSL_TYPE_UINT:
-   case GLSL_TYPE_INT:
-      return dxil_module_get_int_type(m, 32);
-
-   default:
-      debug_printf("type: %s\n", glsl_get_type_name(glsl_scalar_type(type)));
-      unreachable("unexpected GLSL type");
-   }
-}
-
-static const struct dxil_type *
-get_glsl_type(struct dxil_module *m, const struct glsl_type *type)
-{
-   assert(type);
-
-   if (glsl_type_is_scalar(type))
-      return get_glsl_basetype(m, glsl_get_base_type(type));
-
-   if (glsl_type_is_array(type))
-      return dxil_module_get_array_type(m,
-         get_glsl_type(m, glsl_get_array_element(type)),
-         glsl_get_length(type));
-
-   unreachable("unexpected glsl type");
-}
-
 
 #define MAX_SRVS 128
 #define MAX_UAVS 64
@@ -954,7 +921,6 @@ var_fill_const_array(struct ntd_context *ctx, const struct nir_constant *c,
       assert(!glsl_type_is_unsized_array(type));
       const struct glsl_type *without = glsl_without_array(type);
       unsigned stride = glsl_get_explicit_stride(without);
-      enum glsl_base_type without_base = glsl_get_base_type(without);
 
       for (unsigned elt = 0; elt < glsl_get_length(type); elt++) {
          if (!var_fill_const_array(ctx, c->elements[elt], without,
@@ -985,7 +951,6 @@ static bool
 emit_global_consts(struct ntd_context *ctx, nir_shader *s)
 {
    nir_foreach_variable_with_modes(var, s, nir_var_shader_temp) {
-      struct dxil_value *ret;
       bool err;
 
       assert(var->constant_initializer);
@@ -1065,8 +1030,6 @@ emit_cbv(struct ntd_context *ctx, unsigned binding,
 static bool
 emit_ubo_var(struct ntd_context *ctx, nir_variable *var)
 {
-   unsigned size = get_dword_size(var->type);
-   unsigned binding = var->data.binding;
    return emit_cbv(ctx, var->data.binding, get_dword_size(var->type), var->name);
 }
 
@@ -1454,15 +1417,6 @@ get_src(struct ntd_context *ctx, nir_src *src, unsigned chan,
    }
 }
 
-static const struct dxil_value *
-get_src_ptr(struct ntd_context *ctx, nir_src *src, unsigned chan,
-            nir_alu_type type)
-{
-   /* May implement pointer casting */
-   assert(src->is_ssa);
-   return get_src_ssa(ctx, src->ssa, chan);
-}
-
 static const struct dxil_type *
 get_alu_src_type(struct ntd_context *ctx, nir_alu_instr *alu, unsigned src)
 {
@@ -2208,32 +2162,6 @@ get_int32_undef(struct dxil_module *m)
    return dxil_module_get_undef(m, int32_type);
 }
 
-static const struct dxil_value *
-offset_to_index(struct dxil_module *m, const struct dxil_value *offset,
-                unsigned bit_size)
-{
-   unsigned shift_amt = util_logbase2(bit_size / 8);
-   const struct dxil_value *shift =
-      dxil_module_get_int32_const(m, shift_amt);
-   if (!shift)
-      return NULL;
-
-   return dxil_emit_binop(m, DXIL_BINOP_LSHR, offset, shift, 0);
-}
-
-static const struct dxil_value *
-index_to_offset(struct dxil_module *m, const struct dxil_value *index,
-                unsigned bit_size)
-{
-   unsigned shift_amt = util_logbase2(bit_size / 8);
-   const struct dxil_value *shift =
-      dxil_module_get_int32_const(m, shift_amt);
-   if (!shift)
-      return NULL;
-
-   return dxil_emit_binop(m, DXIL_BINOP_SHL, index, shift, 0);
-}
-
 static const struct dxil_value *
 emit_gep_for_index(struct ntd_context *ctx, const nir_variable *var,
                    const struct dxil_value *index)
@@ -2733,7 +2661,7 @@ emit_load_shared(struct ntd_context *ctx, nir_intrinsic_instr *intr)
 static bool
 emit_load_scratch(struct ntd_context *ctx, nir_intrinsic_instr *intr)
 {
-   const struct dxil_value *zero, *one, *index;
+   const struct dxil_value *zero, *index;
    unsigned bit_size = nir_dest_bit_size(intr->dest);
    unsigned align = bit_size / 8;