[FRONTEND] Fix @triton.jit(debug=True) (#5037)

Reported in
https://github.com/triton-lang/triton/pull/5033/files#r1825438371

This was broken by #4589

python/test/unit/test_debug.py

@@ -4,27 +4,33 @@
 import triton.language as tl
 import triton
 
-@pytest.mark.parametrize('cond, opt_flag, env_var', [
-    (cond, opt_flag, env_var) for cond in [True, False] \
-                              for opt_flag in [True, False] \
-                              for env_var in [True, False]\
-])
+
+@pytest.mark.parametrize('cond', [True, False])
+@pytest.mark.parametrize('opt_flag', [True, False, None])
+@pytest.mark.parametrize('env_var', [True, False])
+@pytest.mark.parametrize('jit_flag', [True, False])
 @pytest.mark.forked
-def test_device_assert(cond, opt_flag, env_var, device):
+def test_device_assert(cond, opt_flag, env_var, jit_flag, device):
     os.environ['TRITON_DEBUG'] = str(int(env_var))
     torch.zeros([1], dtype=torch.int32, device=device)
 
-    @triton.jit
+    @triton.jit(debug=jit_flag)
     def _kernel(COND: tl.constexpr):
         tl.device_assert(COND, 'test')
 
-    if not cond and (opt_flag or env_var):
+    is_debug = env_var or (opt_flag if opt_flag is not None else jit_flag)
+
+    kwargs = {}
+    if opt_flag is not None:
+        kwargs["debug"] = opt_flag
+
+    if not cond and is_debug:
         with pytest.raises(RuntimeError):
-            _kernel[(1, )](cond, debug=opt_flag)
+            _kernel[(1, )](cond, **kwargs)
             getattr(torch, device).synchronize()
         return
 
-    _kernel[(1, )](cond, debug=opt_flag)
+    _kernel[(1, )](cond, **kwargs)
     getattr(torch, device).synchronize()
 
 

python/triton/language/core.py

@@ -29,7 +29,6 @@ def builtin(fn: T) -> T:
     @wraps(fn)
     def wrapper(*args, **kwargs):
         if "_builder" not in kwargs or kwargs["_builder"] is None:
-            print(kwargs)
             raise ValueError("Did you forget to add @triton.jit ? "
                              "(`_builder` argument must be provided outside of JIT functions.)")
         return fn(*args, **kwargs)

python/triton/runtime/jit.py

@@ -561,7 +561,7 @@ def create_binder(self, backend):
         ]
 
     def run(self, *args, grid, warmup, **kwargs):
-        kwargs["debug"] = kwargs.get("debug", False) or os.environ.get("TRITON_DEBUG", "0") == "1"
+        kwargs["debug"] = kwargs.get("debug", self.debug) or os.environ.get("TRITON_DEBUG", "0") == "1"
 
         # parse options
         from ..compiler import make_backend
@@ -698,6 +698,7 @@ def __init__(self, fn, version=None, do_not_specialize=None, do_not_specialize_o
         # JITFunction can be instantiated as kernel
         # when called with a grid using __getitem__
         self.kernel = None
+        self.debug = debug
         self.noinline = noinline
 
         # TODO(jlebar): Remove uses of these fields outside this file, then