Replacing use of dylib/vmvx(-sync) with local-task/local-sync drivers.

samples/simple_embedding/BUILD

diff --git a/samples/simple_embedding/BUILD b/samples/simple_embedding/BUILD
index b58e2c2..a1b2dcd 100644
--- a/samples/simple_embedding/BUILD
+++ b/samples/simple_embedding/BUILD
@@ -16,7 +16,7 @@
 
 iree_cmake_extra_content(
     content = """
-if((IREE_HAL_DRIVER_VMVX OR IREE_HAL_DRIVER_VMVX_SYNC) AND
+if(IREE_HAL_DRIVER_LOCAL_SYNC AND IREE_HAL_EXECUTABLE_LOADER_VMVX_MODULE AND
    (IREE_TARGET_BACKEND_VMVX OR DEFINED IREE_HOST_BINARY_ROOT))
 """,
     inline = True,
@@ -66,7 +66,7 @@
 
 iree_cmake_extra_content(
     content = """
-if((IREE_HAL_DRIVER_DYLIB OR IREE_HAL_DRIVER_DYLIB_SYNC) AND
+if(IREE_HAL_DRIVER_LOCAL_SYNC AND IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF AND
    (IREE_TARGET_BACKEND_DYLIB_LLVM_AOT OR DEFINED IREE_HOST_BINARY_ROOT))
 """,
     inline = True,
@@ -184,7 +184,7 @@
 
 iree_cmake_extra_content(
     content = """
-if(IREE_HAL_DRIVER_DYLIB)
+if(IREE_HAL_DRIVER_LOCAL_TASK AND IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF)
 """,
     inline = True,
 )

samples/simple_embedding/CMakeLists.txt

diff --git a/samples/simple_embedding/CMakeLists.txt b/samples/simple_embedding/CMakeLists.txt
index 56899e0..fe501a4 100644
--- a/samples/simple_embedding/CMakeLists.txt
+++ b/samples/simple_embedding/CMakeLists.txt
@@ -10,7 +10,7 @@
 
 iree_add_all_subdirs()
 
-if((IREE_HAL_DRIVER_VMVX OR IREE_HAL_DRIVER_VMVX_SYNC) AND
+if(IREE_HAL_DRIVER_LOCAL_SYNC AND IREE_HAL_EXECUTABLE_LOADER_VMVX_MODULE AND
    (IREE_TARGET_BACKEND_VMVX OR DEFINED IREE_HOST_BINARY_ROOT))
 
 iree_cc_binary(
@@ -54,7 +54,7 @@
 
 endif()
 
-if((IREE_HAL_DRIVER_DYLIB OR IREE_HAL_DRIVER_DYLIB_SYNC) AND
+if(IREE_HAL_DRIVER_LOCAL_SYNC AND IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF AND
    (IREE_TARGET_BACKEND_DYLIB_LLVM_AOT OR DEFINED IREE_HOST_BINARY_ROOT))
 
 iree_cc_binary(
@@ -183,7 +183,7 @@
     ::simple_embedding_embedded_sync
 )
 
-if(IREE_HAL_DRIVER_DYLIB)
+if(IREE_HAL_DRIVER_LOCAL_TASK AND IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF)
 
 iree_cc_binary(
   NAME

samples/simple_embedding/device_vmvx_sync.c

diff --git a/samples/simple_embedding/device_vmvx_sync.c b/samples/simple_embedding/device_vmvx_sync.c
index d83a500..5aef183 100644
--- a/samples/simple_embedding/device_vmvx_sync.c
+++ b/samples/simple_embedding/device_vmvx_sync.c
@@ -4,7 +4,7 @@
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
-// A example of setting up the vmvx-sync driver.
+// A example of setting up the local-sync driver using VMVX for execution.
 
 #include <stddef.h>
 

samples/static_library/CMakeLists.txt

diff --git a/samples/static_library/CMakeLists.txt b/samples/static_library/CMakeLists.txt
index e5416e6..ff8728e 100644
--- a/samples/static_library/CMakeLists.txt
+++ b/samples/static_library/CMakeLists.txt
@@ -5,7 +5,7 @@
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 if(NOT IREE_TARGET_BACKEND_DYLIB_LLVM_AOT OR
-   NOT IREE_HAL_DRIVER_DYLIB OR
+   NOT IREE_HAL_DRIVER_LOCAL_SYNC OR
    NOT IREE_BUILD_COMPILER)
   return()
 endif()

samples/static_library/README.md

diff --git a/samples/static_library/README.md b/samples/static_library/README.md
index b22a3f3..75e9ea2 100644
--- a/samples/static_library/README.md
+++ b/samples/static_library/README.md
@@ -44,7 +44,8 @@
     -DIREE_TARGET_BACKEND_DEFAULTS=OFF \
     -DIREE_TARGET_BACKEND_DYLIB_LLVM_AOT=ON \
     -DIREE_HAL_DRIVER_DEFAULTS=OFF \
-    -DIREE_HAL_DRIVER_DYLIB_SYNC=ON \
+    -DIREE_HAL_DRIVER_LOCAL_SYNC=ON \
+    -DIREE_HAL_EXECUTABLE_LOADER_DEFAULTS=OFF \
     -DIREE_BUILD_COMPILER=ON \
     -DCMAKE_BUILD_TYPE=RelWithDebInfo .
   ```

samples/vision_inference/CMakeLists.txt

diff --git a/samples/vision_inference/CMakeLists.txt b/samples/vision_inference/CMakeLists.txt
index 2da2ffa..89b2ae0 100644
--- a/samples/vision_inference/CMakeLists.txt
+++ b/samples/vision_inference/CMakeLists.txt
@@ -4,7 +4,8 @@
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
-if(NOT IREE_TARGET_BACKEND_DYLIB_LLVM_AOT OR NOT IREE_HAL_DRIVER_DYLIB)
+if(NOT IREE_TARGET_BACKEND_DYLIB_LLVM_AOT OR
+   NOT IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF_DEFAULT)
   return()
 endif()
 

samples/vision_inference/iree-run-mnist-module.c

diff --git a/samples/vision_inference/iree-run-mnist-module.c b/samples/vision_inference/iree-run-mnist-module.c
index 117666e..581ef09 100644
--- a/samples/vision_inference/iree-run-mnist-module.c
+++ b/samples/vision_inference/iree-run-mnist-module.c
@@ -26,7 +26,7 @@
   // TODO(#5724): move device selection into the compiled modules.
   iree_hal_device_t* device = NULL;
   IREE_RETURN_IF_ERROR(iree_runtime_instance_try_create_default_device(
-      instance, iree_make_cstring_view("dylib"), &device));
+      instance, iree_make_cstring_view("local-task"), &device));
 
   // Create one session per loaded module to hold the module state.
   iree_runtime_session_options_t session_options;