[cuda] Drop cuda1 HAL implementation code

.github/CODEOWNERS

@@ -33,7 +33,6 @@
 # It's experimental, but we still don't want any old directory added here.
 /experimental/ @benvanik @stellaraccident
 /experimental/cpu_ukernel/ @bjacob
-/experimental/cuda2/ @antiagainst
 /experimental/dispatch_profiler/ @manishucsd
 /experimental/rocm/ @benvanik
 /experimental/web/ @ScottTodd

CMakeLists.txt

@@ -241,10 +241,8 @@ option(IREE_HAL_DRIVER_DEFAULTS "Sets the default value for all runtime HAL driv
 # not cross compiling. Note: a CUDA-compatible GPU with drivers is still
 # required to actually run CUDA workloads.
 set(IREE_HAL_DRIVER_CUDA_DEFAULT ${IREE_HAL_DRIVER_DEFAULTS})
-set(IREE_HAL_DRIVER_CUDA1_DEFAULT OFF)
 if(NOT IREE_CUDA_AVAILABLE OR CMAKE_CROSSCOMPILING)
   set(IREE_HAL_DRIVER_CUDA_DEFAULT OFF)
-  set(IREE_HAL_DRIVER_CUDA1_DEFAULT OFF)
 endif()
 
 # Vulkan support is enabled by default if the platform might support Vulkan.
@@ -262,7 +260,6 @@ if(NOT APPLE OR NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm64")
 endif()
 
 option(IREE_HAL_DRIVER_CUDA "Enables the 'cuda' runtime HAL driver" ${IREE_HAL_DRIVER_CUDA_DEFAULT})
-option(IREE_HAL_DRIVER_CUDA1 "Enables the 'cuda1' runtime HAL driver" ${IREE_HAL_DRIVER_CUDA1_DEFAULT})
 option(IREE_HAL_DRIVER_LOCAL_SYNC "Enables the 'local-sync' runtime HAL driver" ${IREE_HAL_DRIVER_DEFAULTS})
 option(IREE_HAL_DRIVER_LOCAL_TASK "Enables the 'local-task' runtime HAL driver" ${IREE_HAL_DRIVER_DEFAULTS})
 option(IREE_HAL_DRIVER_VULKAN "Enables the 'vulkan' runtime HAL driver" ${IREE_HAL_DRIVER_VULKAN_DEFAULT})
@@ -318,9 +315,6 @@ message(STATUS "IREE HAL drivers:")
 if(IREE_HAL_DRIVER_CUDA)
   message(STATUS "  - cuda")
 endif()
-if(IREE_HAL_DRIVER_CUDA1)
-  message(STATUS "  - cuda1")
-endif()
 if(IREE_HAL_DRIVER_LOCAL_SYNC)
   message(STATUS "  - local-sync")
 endif()

runtime/src/iree/hal/drivers/BUILD.bazel

@@ -56,10 +56,7 @@ iree_runtime_cc_library(
                "//runtime/src/iree/base",
                "//runtime/src/iree/hal",
            ] + select({
-               ":cuda_enabled": [
-                   "//runtime/src/iree/hal/drivers/cuda/registration",
-                   "//runtime/src/iree/hal/drivers/cuda2/registration",
-               ],
+               ":cuda_enabled": ["//runtime/src/iree/hal/drivers/cuda2/registration"],
                "//conditions:default": [],
            }) +
            select({

runtime/src/iree/hal/drivers/CMakeLists.txt

@@ -128,10 +128,6 @@ if(IREE_HAL_DRIVER_CUDA)
   add_subdirectory(cuda2)
   list(APPEND _INIT_INTERNAL_DEPS iree::hal::drivers::cuda2::registration)
 endif()
-if(IREE_HAL_DRIVER_CUDA1)
-  add_subdirectory(cuda)
-  list(APPEND _INIT_INTERNAL_DEPS iree::hal::drivers::cuda::registration)
-endif()
 if(IREE_HAL_DRIVER_LOCAL_SYNC)
   add_subdirectory(local_sync)
   list(APPEND _INIT_INTERNAL_DEPS iree::hal::drivers::local_sync::registration)