1 files changed, 0 insertions, 270 deletions

diff --git a/src/compiler/nir/nir.c b/src/compiler/nir/nir.c
index 2b7d8982003..c515a30b626 100644
--- a/src/compiler/nir/nir.c
+++ b/src/compiler/nir/nir.c
@@ -64,7 +64,6 @@ nir_shader_create(void *mem_ctx,
    shader->num_outputs = 0;
    shader->num_uniforms = 0;
    shader->num_shared = 0;
-   shader->lowered_derefs = 0;
 
    return shader;
 }
@@ -540,9 +539,7 @@ nir_tex_instr_create(nir_shader *shader, unsigned num_srcs)
 
    instr->texture_index = 0;
    instr->texture_array_size = 0;
-   instr->texture = NULL;
    instr->sampler_index = 0;
-   instr->sampler = NULL;
 
    return instr;
 }
@@ -620,218 +617,6 @@ nir_ssa_undef_instr_create(nir_shader *shader,
    return instr;
 }
 
-nir_deref_var *
-nir_deref_var_create(void *mem_ctx, nir_variable *var)
-{
-   nir_deref_var *deref = ralloc(mem_ctx, nir_deref_var);
-   deref->deref.deref_type = nir_deref_type_var;
-   deref->deref.child = NULL;
-   deref->deref.type = var->type;
-   deref->var = var;
-   return deref;
-}
-
-nir_deref_array *
-nir_deref_array_create(void *mem_ctx)
-{
-   nir_deref_array *deref = ralloc(mem_ctx, nir_deref_array);
-   deref->deref.deref_type = nir_deref_type_array;
-   deref->deref.child = NULL;
-   deref->deref_array_type = nir_deref_array_type_direct;
-   src_init(&deref->indirect);
-   deref->base_offset = 0;
-   return deref;
-}
-
-nir_deref_struct *
-nir_deref_struct_create(void *mem_ctx, unsigned field_index)
-{
-   nir_deref_struct *deref = ralloc(mem_ctx, nir_deref_struct);
-   deref->deref.deref_type = nir_deref_type_struct;
-   deref->deref.child = NULL;
-   deref->index = field_index;
-   return deref;
-}
-
-nir_deref_var *
-nir_deref_var_clone(const nir_deref_var *deref, void *mem_ctx)
-{
-   if (deref == NULL)
-      return NULL;
-
-   nir_deref_var *ret = nir_deref_var_create(mem_ctx, deref->var);
-   ret->deref.type = deref->deref.type;
-   if (deref->deref.child)
-      ret->deref.child = nir_deref_clone(deref->deref.child, ret);
-   return ret;
-}
-
-static nir_deref_array *
-deref_array_clone(const nir_deref_array *deref, void *mem_ctx)
-{
-   nir_deref_array *ret = nir_deref_array_create(mem_ctx);
-   ret->base_offset = deref->base_offset;
-   ret->deref_array_type = deref->deref_array_type;
-   if (deref->deref_array_type == nir_deref_array_type_indirect) {
-      nir_src_copy(&ret->indirect, &deref->indirect, mem_ctx);
-   }
-   ret->deref.type = deref->deref.type;
-   if (deref->deref.child)
-      ret->deref.child = nir_deref_clone(deref->deref.child, ret);
-   return ret;
-}
-
-static nir_deref_struct *
-deref_struct_clone(const nir_deref_struct *deref, void *mem_ctx)
-{
-   nir_deref_struct *ret = nir_deref_struct_create(mem_ctx, deref->index);
-   ret->deref.type = deref->deref.type;
-   if (deref->deref.child)
-      ret->deref.child = nir_deref_clone(deref->deref.child, ret);
-   return ret;
-}
-
-nir_deref *
-nir_deref_clone(const nir_deref *deref, void *mem_ctx)
-{
-   if (deref == NULL)
-      return NULL;
-
-   switch (deref->deref_type) {
-   case nir_deref_type_var:
-      return &nir_deref_var_clone(nir_deref_as_var(deref), mem_ctx)->deref;
-   case nir_deref_type_array:
-      return &deref_array_clone(nir_deref_as_array(deref), mem_ctx)->deref;
-   case nir_deref_type_struct:
-      return &deref_struct_clone(nir_deref_as_struct(deref), mem_ctx)->deref;
-   default:
-      unreachable("Invalid dereference type");
-   }
-
-   return NULL;
-}
-
-/* This is the second step in the recursion.  We've found the tail and made a
- * copy.  Now we need to iterate over all possible leaves and call the
- * callback on each one.
- */
-static bool
-deref_foreach_leaf_build_recur(nir_deref_var *deref, nir_deref *tail,
-                               nir_deref_foreach_leaf_cb cb, void *state)
-{
-   unsigned length;
-   union {
-      nir_deref_array arr;
-      nir_deref_struct str;
-   } tmp;
-
-   assert(tail->child == NULL);
-   switch (glsl_get_base_type(tail->type)) {
-   case GLSL_TYPE_UINT:
-   case GLSL_TYPE_UINT16:
-   case GLSL_TYPE_UINT64:
-   case GLSL_TYPE_INT:
-   case GLSL_TYPE_INT16:
-   case GLSL_TYPE_INT64:
-   case GLSL_TYPE_FLOAT:
-   case GLSL_TYPE_FLOAT16:
-   case GLSL_TYPE_DOUBLE:
-   case GLSL_TYPE_BOOL:
-      if (glsl_type_is_vector_or_scalar(tail->type))
-         return cb(deref, state);
-      /* Fall Through */
-
-   case GLSL_TYPE_ARRAY:
-      tmp.arr.deref.deref_type = nir_deref_type_array;
-      tmp.arr.deref.type = glsl_get_array_element(tail->type);
-      tmp.arr.deref_array_type = nir_deref_array_type_direct;
-      tmp.arr.indirect = NIR_SRC_INIT;
-      tail->child = &tmp.arr.deref;
-
-      length = glsl_get_length(tail->type);
-      for (unsigned i = 0; i < length; i++) {
-         tmp.arr.deref.child = NULL;
-         tmp.arr.base_offset = i;
-         if (!deref_foreach_leaf_build_recur(deref, &tmp.arr.deref, cb, state))
-            return false;
-      }
-      return true;
-
-   case GLSL_TYPE_STRUCT:
-      tmp.str.deref.deref_type = nir_deref_type_struct;
-      tail->child = &tmp.str.deref;
-
-      length = glsl_get_length(tail->type);
-      for (unsigned i = 0; i < length; i++) {
-         tmp.arr.deref.child = NULL;
-         tmp.str.deref.type = glsl_get_struct_field(tail->type, i);
-         tmp.str.index = i;
-         if (!deref_foreach_leaf_build_recur(deref, &tmp.arr.deref, cb, state))
-            return false;
-      }
-      return true;
-
-   default:
-      unreachable("Invalid type for dereference");
-   }
-}
-
-/* This is the first step of the foreach_leaf recursion.  In this step we are
- * walking to the end of the deref chain and making a copy in the stack as we
- * go.  This is because we don't want to mutate the deref chain that was
- * passed in by the caller.  The downside is that this deref chain is on the
- * stack and , if the caller wants to do anything with it, they will have to
- * make their own copy because this one will go away.
- */
-static bool
-deref_foreach_leaf_copy_recur(nir_deref_var *deref, nir_deref *tail,
-                              nir_deref_foreach_leaf_cb cb, void *state)
-{
-   union {
-      nir_deref_array arr;
-      nir_deref_struct str;
-   } c;
-
-   if (tail->child) {
-      switch (tail->child->deref_type) {
-      case nir_deref_type_array:
-         c.arr = *nir_deref_as_array(tail->child);
-         tail->child = &c.arr.deref;
-         return deref_foreach_leaf_copy_recur(deref, &c.arr.deref, cb, state);
-
-      case nir_deref_type_struct:
-         c.str = *nir_deref_as_struct(tail->child);
-         tail->child = &c.str.deref;
-         return deref_foreach_leaf_copy_recur(deref, &c.str.deref, cb, state);
-
-      case nir_deref_type_var:
-      default:
-         unreachable("Invalid deref type for a child");
-      }
-   } else {
-      /* We've gotten to the end of the original deref.  Time to start
-       * building our own derefs.
-       */
-      return deref_foreach_leaf_build_recur(deref, tail, cb, state);
-   }
-}
-
-/**
- * This function iterates over all of the possible derefs that can be created
- * with the given deref as the head.  It then calls the provided callback with
- * a full deref for each one.
- *
- * The deref passed to the callback will be allocated on the stack.  You will
- * need to make a copy if you want it to hang around.
- */
-bool
-nir_deref_foreach_leaf(nir_deref_var *deref,
-                       nir_deref_foreach_leaf_cb cb, void *state)
-{
-   nir_deref_var copy = *deref;
-   return deref_foreach_leaf_copy_recur(&copy, &copy.deref, cb, state);
-}
-
 static nir_const_value
 const_value_float(double d, unsigned bit_size)
 {
@@ -1260,31 +1045,6 @@ visit_src(nir_src *src, nir_foreach_src_cb cb, void *state)
 }
 
 static bool
-visit_deref_array_src(nir_deref_array *deref, nir_foreach_src_cb cb,
-                      void *state)
-{
-   if (deref->deref_array_type == nir_deref_array_type_indirect)
-      return visit_src(&deref->indirect, cb, state);
-   return true;
-}
-
-static bool
-visit_deref_src(nir_deref_var *deref, nir_foreach_src_cb cb, void *state)
-{
-   nir_deref *cur = &deref->deref;
-   while (cur != NULL) {
-      if (cur->deref_type == nir_deref_type_array) {
-         if (!visit_deref_array_src(nir_deref_as_array(cur), cb, state))
-            return false;
-      }
-
-      cur = cur->child;
-   }
-
-   return true;
-}
-
-static bool
 visit_alu_src(nir_alu_instr *instr, nir_foreach_src_cb cb, void *state)
 {
    for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++)
@@ -1319,16 +1079,6 @@ visit_tex_src(nir_tex_instr *instr, nir_foreach_src_cb cb, void *state)
          return false;
    }
 
-   if (instr->texture != NULL) {
-      if (!visit_deref_src(instr->texture, cb, state))
-         return false;
-   }
-
-   if (instr->sampler != NULL) {
-      if (!visit_deref_src(instr->sampler, cb, state))
-         return false;
-   }
-
    return true;
 }
 
@@ -1342,13 +1092,6 @@ visit_intrinsic_src(nir_intrinsic_instr *instr, nir_foreach_src_cb cb,
          return false;
    }
 
-   unsigned num_vars =
-      nir_intrinsic_infos[instr->intrinsic].num_variables;
-   for (unsigned i = 0; i < num_vars; i++) {
-      if (!visit_deref_src(instr->variables[i], cb, state))
-         return false;
-   }
-
    return true;
 }
 
@@ -1588,19 +1331,6 @@ nir_instr_rewrite_dest(nir_instr *instr, nir_dest *dest, nir_dest new_dest)
       src_add_all_uses(dest->reg.indirect, instr, NULL);
 }
 
-void
-nir_instr_rewrite_deref(nir_instr *instr, nir_deref_var **deref,
-                        nir_deref_var *new_deref)
-{
-   if (*deref)
-      visit_deref_src(*deref, remove_use_cb, NULL);
-
-   *deref = new_deref;
-
-   if (*deref)
-      visit_deref_src(*deref, add_use_cb, instr);
-}
-
 /* note: does *not* take ownership of 'name' */
 void
 nir_ssa_def_init(nir_instr *instr, nir_ssa_def *def,