[SPEC] Fix spec _filecheck.py, _internal_testing.py

Author: zhzhcookie

python/triton/_filecheck.py

@@ -18,7 +18,8 @@
 # Stub target for testing the frontend.
 # flagtree backend path specialization
 from triton.flagtree_spec import spec
-if not spec("spec_get_stub_target"):
+stub_target = spec("spec_get_stub_target")
+if not stub_target:
     stub_target = GPUTarget("cuda", 100, 32)
 
 triton_dir = os.path.dirname(__file__)

python/triton/_internal_testing.py

@@ -82,6 +82,17 @@ def is_hip_cdna4():
     return target is not None and target.backend == 'hip' and target.arch == 'gfx950'
 
 
+def is_hip_rdna3():  # Triton 3.7
+    target = get_current_target()
+    return target is not None and target.backend == 'hip' and 'gfx11' in target.arch
+
+
+def is_hip_rdna4():  # Triton 3.7
+    target = get_current_target()
+    # check for gfx120 instead of gfx12, to avoid matching gfx1250
+    return target is not None and target.backend == 'hip' and 'gfx120' in target.arch
+
+
 def is_hip_gfx11():
     target = get_current_target()
     return target is not None and target.backend == 'hip' and 'gfx11' in target.arch