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[IR] Enhance IRModule SEqual/SHash to support cross function calls #14289

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Merged
tqchen merged 1 commit into from
Mar 15, 2023
Merged

[IR] Enhance IRModule SEqual/SHash to support cross function calls #14289

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68 changes: 40 additions & 28 deletions src/ir/module.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -63,67 +63,79 @@ IRModule::IRModule(tvm::Map<GlobalVar, BaseFunc> functions,
}

bool IRModuleNode::SEqualReduce(const IRModuleNode* other, SEqualReducer equal) const {
if (functions.size() != other->functions.size()) return false;
if (!equal(this->attrs, other->attrs)) return false;
if (equal.IsPathTracingEnabled()) {
const ObjectPathPair& obj_path_pair = equal.GetCurrentObjectPaths();
for (const auto& kv : this->functions) {
if (!other->ContainGlobalVar(kv.first->name_hint)) return false;

if (functions.size() != other->functions.size()) return false;
// Update GlobalVar remap
for (const auto& gv : this->GetGlobalVars()) {
if (!other->ContainGlobalVar(gv->name_hint)) return false;
if (!equal.DefEqual(gv, other->GetGlobalVar(gv->name_hint))) return false;
}
// Checking functions
for (const auto& kv : this->functions) {
if (equal.IsPathTracingEnabled()) {
const ObjectPathPair& obj_path_pair = equal.GetCurrentObjectPaths();
ObjectPathPair func_paths = {obj_path_pair->lhs_path->Attr("functions")->MapValue(kv.first),
obj_path_pair->rhs_path->Attr("functions")
->MapValue(other->GetGlobalVar(kv.first->name_hint))};
if (!equal(kv.second, other->Lookup(kv.first->name_hint), func_paths)) return false;
} else {
if (!equal(kv.second, other->Lookup(kv.first->name_hint))) return false;
}
if (type_definitions.size() != other->type_definitions.size()) return false;
for (const auto& kv : this->type_definitions) {
if (!other->ContainGlobalTypeVar(kv.first->name_hint)) return false;
ObjectPathPair type_def_paths = {
}

if (type_definitions.size() != other->type_definitions.size()) return false;
// Update GlobalTypeVar remap
for (const auto& gtv : this->GetGlobalTypeVars()) {
if (!other->ContainGlobalTypeVar(gtv->name_hint)) return false;
if (!equal.DefEqual(gtv, other->GetGlobalTypeVar(gtv->name_hint))) return false;
}
// Checking type_definitions
for (const auto& kv : this->type_definitions) {
if (equal.IsPathTracingEnabled()) {
const ObjectPathPair& obj_path_pair = equal.GetCurrentObjectPaths();
ObjectPathPair type_paths = {
obj_path_pair->lhs_path->Attr("type_definitions")->MapValue(kv.first),
obj_path_pair->rhs_path->Attr("type_definitions")
->MapValue(other->GetGlobalTypeVar(kv.first->name_hint))};
if (!equal(kv.second, other->LookupTypeDef(kv.first->name_hint), type_def_paths))
return false;
if (!equal(kv.second, other->LookupTypeDef(kv.first->name_hint), type_paths)) return false;
} else {
if (!equal(kv.second, other->LookupTypeDef(kv.first->name_hint))) return false;
}
return true;
}
for (const auto& kv : this->functions) {
if (!other->ContainGlobalVar(kv.first->name_hint)) return false;
if (!equal(kv.second, other->Lookup(kv.first->name_hint))) return false;
}
if (type_definitions.size() != other->type_definitions.size()) return false;
for (const auto& kv : this->type_definitions) {
if (!other->ContainGlobalTypeVar(kv.first->name_hint)) return false;
if (!equal(kv.second, other->LookupTypeDef(kv.first->name_hint))) return false;
}
return true;
}

void IRModuleNode::SHashReduce(SHashReducer hash_reduce) const {
using KV = std::pair<std::string, ObjectRef>;
using KV = std::tuple<std::string, ObjectRef, ObjectRef>;
// hash the functions.
std::vector<KV> temp;

auto reduce_temp = [&]() {
// sort by the hash key of the keys.
std::sort(temp.begin(), temp.end(),
[](const KV& lhs, const KV& rhs) { return lhs.first < rhs.first; });
[](const KV& lhs, const KV& rhs) { return std::get<0>(lhs) < std::get<0>(rhs); });

hash_reduce(static_cast<uint64_t>(temp.size()));
// hash the content
// Defhash the GlobalVar/GlobalTypeVar
for (size_t i = 0; i < temp.size(); ++i) {
hash_reduce.DefHash(std::get<1>(temp[i]));
}
// hash the name and content
for (size_t i = 0; i < temp.size(); ++i) {
hash_reduce(temp[i].first);
hash_reduce(temp[i].second);
hash_reduce(std::get<0>(temp[i]));
hash_reduce(std::get<2>(temp[i]));
}
};

for (const auto& kv : this->functions) {
temp.emplace_back(kv.first->name_hint, kv.second);
temp.emplace_back(kv.first->name_hint, kv.first, kv.second);
}
reduce_temp();

temp.clear();
for (const auto& kv : this->type_definitions) {
temp.emplace_back(kv.first->name_hint, kv.second);
temp.emplace_back(kv.first->name_hint, kv.first, kv.second);
}
reduce_temp();
hash_reduce(this->attrs);
Expand Down