Hzfengsy commented on code in PR #12184:
URL: https://github.com/apache/tvm/pull/12184#discussion_r929436310
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src/meta_schedule/space_generator/post_order_apply.cc:
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@@ -55,8 +55,10 @@ class BlockCollector : public tir::StmtVisitor {
CHECK(block_names_.count(block->name_hint) == 0)
<< "Duplicated block name " << block->name_hint << " in function " <<
func_name_
<< " not supported!";
- block_names_.insert(block->name_hint);
- blocks_to_collect_.push_back(block->name_hint);
+ if (block->name_hint != "root") {
Review Comment:
It's a bit tricky. Can we skip all opaque blocks (i.e. blocks without block
vars)?
##########
src/meta_schedule/space_generator/post_order_apply.cc:
##########
@@ -55,8 +55,10 @@ class BlockCollector : public tir::StmtVisitor {
CHECK(block_names_.count(block->name_hint) == 0)
<< "Duplicated block name " << block->name_hint << " in function " <<
func_name_
<< " not supported!";
- block_names_.insert(block->name_hint);
- blocks_to_collect_.push_back(block->name_hint);
+ if (block->name_hint != "root") {
Review Comment:
It's a bit tricky to check the name hint. Can we skip all opaque blocks
(i.e. blocks without block vars)?
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