vinx13 commented on a change in pull request #9871:
URL: https://github.com/apache/tvm/pull/9871#discussion_r780598226
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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:
`emplace` will not overwrite the old entry if the key exists. This
function may be called in `UpdateScopeBlockInfo`
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