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[TE][CreatePrimFunc] Fix loop carried dependency case with nested block levels #17474

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Nov 14, 2024
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[TE][CreatePrimFunc] Fix loop carried dependency case with nested block levels #17474

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5 changes: 5 additions & 0 deletions python/tvm/script/ir_builder/tir/ir.py
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Original file line number Diff line number Diff line change
Expand Up @@ -522,6 +522,11 @@ def _as_range(dom: Union[ir.Range, List[PrimExpr]]) -> ir.Range:
if isinstance(dom, ir.Range):
return dom
if isinstance(dom, (list, tuple)):
from tvm.arith import Analyzer # pylint: disable=import-outside-toplevel

extent = Analyzer().simplify(dom[1] - dom[0])
if isinstance(extent, tir.IntImm):
return ir.Range.from_min_extent(dom[0], extent)
return ir.Range(dom[0], dom[1])
if hasattr(dom, "dtype"):
return ir.Range(IntImm(dom.dtype, 0), dom)
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