chore: import upstream snapshot with attribution

2026-07-13 13:36:25 +08:00
commit 26446540fa
3151 changed files with 974126 additions and 0 deletions
@@ -0,0 +1,107 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# pylint: disable=missing-function-docstring,missing-module-docstring
+# ruff: noqa: F401
+import pytest
+
+import tvm
+import tvm.testing
+from tvm import tirx
+from tvm.s_tir.schedule.testing import (
+    assert_structural_equal_ignore_global_symbol,
+    verify_trace_roundtrip,
+)
+from tvm.script import tirx as T
+
+
+@T.prim_func(s_tir=True)
+def indirect_mem_access(a: T.handle, idx_a: T.handle, b: T.handle, idx_b: T.handle) -> None:
+    A = T.match_buffer(a, [128], dtype="float32")
+    IA = T.match_buffer(idx_a, [10], dtype="int32")
+    B = T.match_buffer(b, [128], dtype="float32")
+    IB = T.match_buffer(idx_b, [10], dtype="int32")
+
+    for i in range(10):
+        with T.sblock("B"):
+            vi = T.axis.spatial(10, i)
+            T.reads(A[IA[vi]], IA[vi])
+            T.writes(B[IB[vi]], IB[vi])
+            B[IB[vi]] = A[IA[vi]]
+
+
+@T.prim_func(s_tir=True)
+def indirect_mem_access_hide_ia(a: T.handle, idx_a: T.handle, b: T.handle, idx_b: T.handle) -> None:
+    A = T.match_buffer(a, [128], dtype="float32")
+    IA = T.match_buffer(idx_a, [10], dtype="int32")
+    B = T.match_buffer(b, [128], dtype="float32")
+    IB = T.match_buffer(idx_b, [10], dtype="int32")
+
+    for i in range(10):
+        with T.sblock("B"):
+            vi = T.axis.spatial(10, i)
+            T.reads(A[IA[vi]])
+            T.writes(B[IB[vi]], IB[vi])
+            B[IB[vi]] = A[IA[vi]]
+
+
+@T.prim_func(s_tir=True)
+def indirect_mem_access_hide_ib(a: T.handle, idx_a: T.handle, b: T.handle, idx_b: T.handle) -> None:
+    A = T.match_buffer(a, [128], dtype="float32")
+    IA = T.match_buffer(idx_a, [10], dtype="int32")
+    B = T.match_buffer(b, [128], dtype="float32")
+    IB = T.match_buffer(idx_b, [10], dtype="int32")
+
+    for i in range(10):
+        with T.sblock("B"):
+            vi = T.axis.spatial(10, i)
+            T.reads(A[IA[vi]], IA[vi])
+            T.writes(B[IB[vi]])
+            B[IB[vi]] = A[IA[vi]]
+
+
+def test_hide_buffer_access_read():
+    sch = tvm.s_tir.Schedule(indirect_mem_access, debug_mask="all")
+    block_b = sch.get_sblock("B")
+    sch.unsafe_hide_buffer_access(block_b, "read", [1])
+    assert_structural_equal_ignore_global_symbol(indirect_mem_access_hide_ia, sch.mod["main"])
+    verify_trace_roundtrip(sch=sch, mod=indirect_mem_access)
+
+
+def test_hide_buffer_access_write():
+    sch = tvm.s_tir.Schedule(indirect_mem_access, debug_mask="all")
+    block_b = sch.get_sblock("B")
+    sch.unsafe_hide_buffer_access(block_b, "write", [1])
+    assert_structural_equal_ignore_global_symbol(indirect_mem_access_hide_ib, sch.mod["main"])
+    verify_trace_roundtrip(sch=sch, mod=indirect_mem_access)
+
+
+def test_hide_buffer_access_fail_buffer_type():
+    sch = tvm.s_tir.Schedule(indirect_mem_access, debug_mask="all")
+    block_b = sch.get_sblock("B")
+    with pytest.raises(RuntimeError):
+        sch.unsafe_hide_buffer_access(block_b, "opaque", [0])
+
+
+def test_hide_buffer_access_fail_buffer_index():
+    sch = tvm.s_tir.Schedule(indirect_mem_access, debug_mask="all")
+    block_b = sch.get_sblock("B")
+    with pytest.raises(RuntimeError):
+        sch.unsafe_hide_buffer_access(block_b, "read", [2])
+
+
+if __name__ == "__main__":
+    tvm.testing.main()