tqchen commented on code in PR #16966:
URL: https://github.com/apache/tvm/pull/16966#discussion_r1618046951
##########
tests/python/codegen/test_target_codegen_aarch64.py:
##########
@@ -780,5 +780,31 @@ def before(a: T.handle):
assert "get.active.lane.mask" in ll
+@pytest.mark.skipif(
+ llvm_version_major() < 11,
+ reason="Vscale and get.active.lane.mask are not supported in earlier
versions of LLVM",
+)
+def test_predicated_scalable_buffer():
+ target = "llvm -mtriple=aarch64-linux-gnu -mattr=+sve"
+
+ @T.prim_func
+ def before(a: T.handle, b: T.handle):
+ A = T.match_buffer(a, (16,), "float32")
+ B = T.match_buffer(b, (16,), "float32")
+ T.func_attr({"global_symbol": "main", "tir.noalias": True})
+ for i_0 in T.serial(T.ceildiv(16, 4 * T.vscale())):
+ for i_1 in T.vectorized(4 * T.vscale()):
+ if i_0 * 4 * T.vscale() + i_1 < 14:
+ B[i_0 * 4 * T.vscale() + i_1] = A[i_0 * 4 * T.vscale() +
i_1] + 1.0
+
+ with tvm.target.Target(target):
Review Comment:
This style moving foward, instead, attach the target attribute to the
PrimFunc itself
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