disable formatting on GPU invocations to avoid clang-format breaking cuda/hip code

src/pystencilssfg/composer/gpu_composer.py

@@ -162,12 +162,17 @@ class SfgGpuComposer(SfgComposerMixIn):
             )
             stmt_stream = make_statements(stream) if stream is not None else None
 
-            return SfgGpuKernelInvocation(
-                kernel_handle,
-                stmt_grid_size,
-                stmt_block_size,
-                shared_memory_bytes=stmt_smem,
-                stream=stmt_stream,
+            return self.seq(
+                "// clang-format off: "
+                "[pystencils-sfg] Formatting may add illegal spaces between angular brackets in `<<< >>>`.",
+                SfgGpuKernelInvocation(
+                    kernel_handle,
+                    stmt_grid_size,
+                    stmt_block_size,
+                    shared_memory_bytes=stmt_smem,
+                    stream=stmt_stream,
+                ),
+                "// clang-format on",
             )
 
         def to_uint32_t(expr: AugExpr) -> AugExpr: