Hzfengsy commented on a change in pull request #8943:
URL: https://github.com/apache/tvm/pull/8943#discussion_r705019396
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File path: src/tir/schedule/primitive/cache_read_write.cc
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@@ -160,6 +160,21 @@ Block MakeCacheStage(const BufferRegion& cache_region,
CacheStageInfo* info,
return block;
}
+/*!
+ * \brief Recalculate the `affine_binding` flag of the scope block info.
+ * \param block_sref The sref to the interested scope block.
+ */
+bool CalculateAffineFlag(const ScheduleState& self, const StmtSRef&
block_sref) {
+ if (block_sref->parent == nullptr) {
+ return true;
+ }
Review comment:
That's a good question. I think `affine flag` for opaque block makes no
sense to me, no matter it's affine or not.
Blocks with affine bindings have more schedule abilities than other blocks,
while opaque blocks have no schedule abilities.
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