junrushao1994 commented on a change in pull request #9871:
URL: https://github.com/apache/tvm/pull/9871#discussion_r780598498
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File path: src/tir/schedule/state.cc
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@@ -201,9 +201,8 @@ class BlockInfoCollector : private StmtVisitor {
bool is_root_block = srefs_.empty();
// Calculate `BlockInfo::scope`
Array<StmtSRef> child_block_srefs = std::move(block_frames_.back());
- BlockInfo& info =
- self_->block_info.emplace(scope_root,
BlockInfo(BlockScope(child_block_srefs)))
- .first->second;
+ self_->block_info[scope_root] = BlockInfo(BlockScope(child_block_srefs));
+ BlockInfo& info = self_->block_info[scope_root];
Review comment:
Oh I see - that makes sense to me! Then to save one look-up, let's do
```suggestion
BlockInfo& info = self_->block_info[scope_root] =
BlockInfo(BlockScope(child_block_srefs));
```
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