junrushao1994 commented on a change in pull request #8641:
URL: https://github.com/apache/tvm/pull/8641#discussion_r682170550
##########
File path: src/tir/transforms/compact_buffer_region.cc
##########
@@ -452,11 +452,17 @@ class BufferCompactor : public StmtExprMutator {
};
PrimFunc CompactBufferAllocation(PrimFunc f) {
- PrimFuncNode* fptr = f.CopyOnWrite();
- std::unordered_map<Buffer, Region, ObjectPtrHash, ObjectPtrEqual> region =
- BufferAccessRegionCollector::Collect(f);
- fptr->body = BufferCompactor::Compact(f, region);
- return f;
+ // Only apply this pass to TIR that is not from TE schedules
+ Optional<Bool> from_legacy_te_schedule =
f->GetAttr("from_legacy_te_schedule", Bool(false));
+ if (!from_legacy_te_schedule.value()) {
+ PrimFuncNode* fptr = f.CopyOnWrite();
+ std::unordered_map<Buffer, Region, ObjectPtrHash, ObjectPtrEqual> region =
+ BufferAccessRegionCollector::Collect(f);
+ fptr->body = BufferCompactor::Compact(f, region);
+ return f;
+ } else {
+ return f;
+ }
Review comment:
Shall we have a util function in `ir_utils.h` doing the check, like:
```
if (IsFromLegacyTeSchedule(f)) {
// do nothing
return f;
}
// do more with f
```
##########
File path: src/tir/transforms/compact_buffer_region.cc
##########
@@ -452,11 +452,17 @@ class BufferCompactor : public StmtExprMutator {
};
PrimFunc CompactBufferAllocation(PrimFunc f) {
- PrimFuncNode* fptr = f.CopyOnWrite();
- std::unordered_map<Buffer, Region, ObjectPtrHash, ObjectPtrEqual> region =
- BufferAccessRegionCollector::Collect(f);
- fptr->body = BufferCompactor::Compact(f, region);
- return f;
+ // Only apply this pass to TIR that is not from TE schedules
+ Optional<Bool> from_legacy_te_schedule =
f->GetAttr("from_legacy_te_schedule", Bool(false));
+ if (!from_legacy_te_schedule.value()) {
+ PrimFuncNode* fptr = f.CopyOnWrite();
+ std::unordered_map<Buffer, Region, ObjectPtrHash, ObjectPtrEqual> region =
+ BufferAccessRegionCollector::Collect(f);
+ fptr->body = BufferCompactor::Compact(f, region);
+ return f;
+ } else {
+ return f;
+ }
Review comment:
Shall we have a util function in `ir_utils.h` doing the check, like:
```C++
if (IsFromLegacyTeSchedule(f)) {
// do nothing
return f;
}
// do more with f
```
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