masahi commented on a change in pull request #5493:
URL: https://github.com/apache/incubator-tvm/pull/5493#discussion_r418513531
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File path: src/relay/transforms/partition_graph.cc
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@@ -124,37 +112,40 @@ class AnnotationChecker : public ExprVisitor {
* the compiler name.
*/
-class Partitioner : public ExprMutator {
+class Partitioner : public MixedModeMutator {
public:
explicit Partitioner(const IRModule& module) : module_(module) {
for (auto f : module->functions) {
GlobalVar f_var = f.first;
BaseFunc f_func = f.second;
- // Creating regionset per function in the module
+ // Creating regionset per function in the module.
auto region_set = AnnotatedRegionSet::Create(f_func,
partitioning::compiler_begin_op,
partitioning::compiler_end_op);
regions_sets_[region_set] = f_func;
+
+ // Initial region function metadata.
+ for (auto region : region_set) {
+ region_func_meta_[region];
Review comment:
Do we need this? Since `region_func_meta_` is always accessed without
checking, I think it will be default-constructed anyway on the first access.
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