junrushao1994 commented on code in PR #12422:
URL: https://github.com/apache/tvm/pull/12422#discussion_r945234575
##########
python/tvm/tir/buffer.py:
##########
@@ -176,6 +177,40 @@ def offset_of(self, indices):
"""
return _ffi_api.BufferOffsetOf(self, indices) # type: ignore
+ def __getitem__(self, indices):
+ from ..arith import Analyzer # pylint: disable=import-outside-toplevel
+ from .expr import BufferLoad, Ramp # pylint:
disable=import-outside-toplevel
+ from .stmt import BufferRegion # pylint:
disable=import-outside-toplevel
+
+ if not isinstance(indices, (tuple, list)):
+ indices = [indices]
+ if any(isinstance(index, slice) and index.step is None for index in
indices):
+ region = []
+ for index in indices:
+ if isinstance(index, slice):
+ region.append(
+ Range.from_min_extent(
+ index.start, Analyzer().simplify(index.stop -
index.start)
Review Comment:
nit: do not create `Analyzer` in each loop instance. Please lift its
creation outside of the loop
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