Revert "Add SupportedTensorDtypes::BOOL (#9584)"

This reverts commit 9123e91.

Author: JacobSzwejbka

kernels/portable/cpu/util/dtype_util.cpp

@@ -27,8 +27,6 @@ bool check_tensor_dtype(
       return executorch::runtime::tensor_is_floating_type(t);
     case SupportedTensorDtypes::INTB:
       return executorch::runtime::tensor_is_integral_type(t, true);
-    case SupportedTensorDtypes::BOOL:
-      return executorch::runtime::tensor_is_type(t, ScalarType::Bool);
     case SupportedTensorDtypes::BOOL_OR_BYTE:
       return (executorch::runtime::tensor_is_type(
           t, ScalarType::Bool, ScalarType::Byte));

kernels/portable/cpu/util/dtype_util.h

@@ -72,16 +72,6 @@ load_to_compute_fn<CTYPE_COMPUTE> get_load_to_compute_fn_intb(const Tensor& t) {
   return result;
 }
 
-template <typename CTYPE_COMPUTE, const char* op_name>
-load_to_compute_fn<CTYPE_COMPUTE> get_load_to_compute_fn_bool(const Tensor& t) {
-  ET_CHECK_MSG(
-      t.scalar_type() == ScalarType::Bool,
-      "Unhandled dtype %s for %s",
-      ::executorch::runtime::toString(t.scalar_type()),
-      op_name);
-  return internal::load_and_convert<CTYPE_COMPUTE, bool>;
-}
-
 template <typename CTYPE_COMPUTE, const char* op_name>
 load_to_compute_fn<CTYPE_COMPUTE> get_load_to_compute_fn_bool_or_byte(
     const Tensor& t) {
@@ -175,17 +165,6 @@ store_compute_to_tensor_fn<CTYPE_COMPUTE> get_store_compute_to_tensor_fn_intb(
   return result;
 }
 
-template <typename CTYPE_COMPUTE, const char* op_name>
-store_compute_to_tensor_fn<CTYPE_COMPUTE> get_store_compute_to_tensor_fn_bool(
-    const Tensor& t) {
-  ET_CHECK_MSG(
-      t.scalar_type() == ScalarType::Bool,
-      "Unhandled dtype %s for %s",
-      ::executorch::runtime::toString(t.scalar_type()),
-      op_name);
-  return internal::convert_and_store<bool, CTYPE_COMPUTE>;
-}
-
 template <typename CTYPE_COMPUTE, const char* op_name>
 store_compute_to_tensor_fn<CTYPE_COMPUTE>
 get_store_compute_to_tensor_fn_bool_or_byte(const Tensor& t) {
@@ -240,7 +219,6 @@ enum class SupportedTensorDtypes {
   REALHBF16,
   FLOATHBF16,
   INTB,
-  BOOL,
   BOOL_OR_BYTE,
   // DEPRECATED: not likely to be correct; use SAME_AS_COMMON.
   SAME_AS_COMPUTE,
@@ -262,8 +240,6 @@ load_to_compute_fn<CTYPE_COMPUTE> get_load_to_compute_fn_impl(
       return get_load_to_compute_fn_realhbf16<CTYPE_COMPUTE, op_name>(t);
     case SupportedTensorDtypes::INTB:
       return get_load_to_compute_fn_intb<CTYPE_COMPUTE, op_name>(t);
-    case SupportedTensorDtypes::BOOL:
-      return get_load_to_compute_fn_bool<CTYPE_COMPUTE, op_name>(t);
     case SupportedTensorDtypes::BOOL_OR_BYTE:
       return get_load_to_compute_fn_bool_or_byte<CTYPE_COMPUTE, op_name>(t);
     case SupportedTensorDtypes::SAME_AS_COMPUTE:
@@ -295,8 +271,6 @@ store_compute_to_tensor_fn<CTYPE_COMPUTE> get_store_compute_to_tensor_fn(
           t);
     case SupportedTensorDtypes::INTB:
       return get_store_compute_to_tensor_fn_intb<CTYPE_COMPUTE, op_name>(t);
-    case SupportedTensorDtypes::BOOL:
-      return get_store_compute_to_tensor_fn_bool<CTYPE_COMPUTE, op_name>(t);
     case SupportedTensorDtypes::BOOL_OR_BYTE:
       return get_store_compute_to_tensor_fn_bool_or_byte<
           CTYPE_COMPUTE,
@@ -344,14 +318,12 @@ bool check_tensor_dtype(
     const ScalarType compute_type);
 
 /// Return the one output type we are willing to emit specialized code
-/// to handle, given a compute type of CTYPE_COMPUTE and supported
+/// to handle, given a compute type of CTYPE_COMMON and supported
 /// output types of out_dtypes.
 template <typename CTYPE_COMPUTE>
 inline constexpr ScalarType specialized_output_scalar_type(
     SupportedTensorDtypes out_dtypes) {
   switch (out_dtypes) {
-    case SupportedTensorDtypes::BOOL:
-      return ScalarType::Bool;
     case SupportedTensorDtypes::BOOL_OR_BYTE:
       return ScalarType::Bool;
     case SupportedTensorDtypes::REALHBBF16: