Merge branch 'fix-pyopencl-get-hl-code' into 'master'

Fix PyOpenCLKernelExecutor.get_code to adequately preprocess arg_to_dtype so…

See merge request !125

loopy/target/pyopencl_execution.py

@@ -25,6 +25,7 @@ THE SOFTWARE.
 import six
 from six.moves import range, zip
 
+import numpy as np
 from pytools import ImmutableRecord, memoize_method
 from loopy.diagnostic import ParameterFinderWarning
 from pytools.py_codegen import (
@@ -686,8 +687,17 @@ class PyOpenCLKernelExecutor(KernelExecutorBase):
     # {{{ debugging aids
 
     def get_code(self, arg_to_dtype=None):
+        def process_dtype(dtype):
+            if isinstance(dtype, type) and issubclass(dtype, np.generic):
+                dtype = np.dtype(dtype)
+            if isinstance(dtype, np.dtype):
+                dtype = NumpyType(dtype, self.kernel.target)
+
+            return dtype
+
         if arg_to_dtype is not None:
-            arg_to_dtype = frozenset(six.iteritems(arg_to_dtype))
+            arg_to_dtype = frozenset(
+                    (k, process_dtype(v)) for k, v in six.iteritems(arg_to_dtype))
 
         kernel = self.get_typed_and_scheduled_kernel(arg_to_dtype)