Clean up experimental launcher

numba_dpex/core/utils/kernel_launcher.py

@@ -5,7 +5,7 @@
 from llvmlite import ir as llvmir
 from numba.core import cgutils, types
 
-from numba_dpex import utils
+from numba_dpex import config, utils
 from numba_dpex.core.runtime.context import DpexRTContext
 from numba_dpex.core.types import DpnpNdArray
 from numba_dpex.dpctl_iface import libsyclinterface_bindings as sycl
@@ -361,6 +361,60 @@ def _create_sycl_range(self, idx_range):
 
         return self.builder.bitcast(range_list, intp_ptr_t)
 
+    def submit_kernel(
+        self,
+        kernel_ref: llvmir.CallInstr,
+        queue_ref: llvmir.PointerType,
+        kernel_args: list,
+        ty_kernel_args: list,
+        global_range_extents: list,
+        local_range_extents: list,
+    ):
+        if config.DEBUG_KERNEL_LAUNCHER:
+            cgutils.printf(
+                self.builder,
+                "DPEX-DEBUG: Populating kernel args and arg type arrays.\n",
+            )
+
+        num_flattened_kernel_args = self.get_num_flattened_kernel_args(
+            kernel_argtys=ty_kernel_args,
+        )
+
+        # Create LLVM values for the kernel args list and kernel arg types list
+        args_list = self.allocate_kernel_arg_array(num_flattened_kernel_args)
+
+        args_ty_list = self.allocate_kernel_arg_ty_array(
+            num_flattened_kernel_args
+        )
+
+        kernel_args_ptrs = []
+        for arg in kernel_args:
+            ptr = self.builder.alloca(arg.type)
+            self.builder.store(arg, ptr)
+            kernel_args_ptrs.append(ptr)
+
+        # Populate the args_list and the args_ty_list LLVM arrays
+        self.populate_kernel_args_and_args_ty_arrays(
+            callargs_ptrs=kernel_args_ptrs,
+            kernel_argtys=ty_kernel_args,
+            args_list=args_list,
+            args_ty_list=args_ty_list,
+        )
+
+        if config.DEBUG_KERNEL_LAUNCHER:
+            cgutils.printf(self._builder, "DPEX-DEBUG: Submit kernel.\n")
+
+        return self.submit_sycl_kernel(
+            sycl_kernel_ref=kernel_ref,
+            sycl_queue_ref=queue_ref,
+            total_kernel_args=num_flattened_kernel_args,
+            arg_list=args_list,
+            arg_ty_list=args_ty_list,
+            global_range=global_range_extents,
+            local_range=local_range_extents,
+            wait_before_return=False,
+        )
+
     def submit_sycl_kernel(
         self,
         sycl_kernel_ref,
@@ -373,7 +427,7 @@ def submit_sycl_kernel(
         wait_before_return=True,
     ) -> llvmir.PointerType(llvmir.IntType(8)):
         """
-        Submits the kernel to the specified queue, waits.
+        Submits the kernel to the specified queue, waits by default.
         """
         eref = None
         gr = self._create_sycl_range(global_range)
@@ -411,19 +465,34 @@ def submit_sycl_kernel(
         else:
             return eref
 
+    def get_num_flattened_kernel_args(
+        self,
+        kernel_argtys: tuple[types.Type, ...],
+    ):
+        num_flattened_kernel_args = 0
+        for arg_type in kernel_argtys:
+            if isinstance(arg_type, DpnpNdArray):
+                datamodel = self.context.data_model_manager.lookup(arg_type)
+                num_flattened_kernel_args += datamodel.flattened_field_count
+            elif arg_type in [types.complex64, types.complex128]:
+                num_flattened_kernel_args += 2
+            else:
+                num_flattened_kernel_args += 1
+
+        return num_flattened_kernel_args
+
     def populate_kernel_args_and_args_ty_arrays(
         self,
         kernel_argtys,
         callargs_ptrs,
         args_list,
         args_ty_list,
-        datamodel_mgr,
     ):
         kernel_arg_num = 0
         for arg_num, argtype in enumerate(kernel_argtys):
             llvm_val = callargs_ptrs[arg_num]
             if isinstance(argtype, DpnpNdArray):
-                datamodel = datamodel_mgr.lookup(argtype)
+                datamodel = self.context.data_model_manager.lookup(argtype)
                 self.build_array_arg(
                     array_val=llvm_val,
                     array_data_model=datamodel,