summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/binaryen-c.cpp13
-rw-r--r--src/binaryen-c.h12
-rw-r--r--src/tools/fuzzing/heap-types.cpp81
-rw-r--r--src/tools/wasm-fuzz-types.cpp58
-rw-r--r--src/wasm-type.h15
-rw-r--r--src/wasm/wasm-type.cpp130
6 files changed, 35 insertions, 274 deletions
diff --git a/src/binaryen-c.cpp b/src/binaryen-c.cpp
index b23d53ad6..03132b23a 100644
--- a/src/binaryen-c.cpp
+++ b/src/binaryen-c.cpp
@@ -6321,12 +6321,6 @@ void TypeBuilderGrow(TypeBuilderRef builder, BinaryenIndex count) {
BinaryenIndex TypeBuilderGetSize(TypeBuilderRef builder) {
return ((TypeBuilder*)builder)->size();
}
-void TypeBuilderSetBasicHeapType(TypeBuilderRef builder,
- BinaryenIndex index,
- BinaryenBasicHeapType basicHeapType) {
- ((TypeBuilder*)builder)
- ->setHeapType(index, HeapType::BasicHeapType(basicHeapType));
-}
void TypeBuilderSetSignatureType(TypeBuilderRef builder,
BinaryenIndex index,
BinaryenType paramTypes,
@@ -6370,13 +6364,6 @@ void TypeBuilderSetArrayType(TypeBuilderRef builder,
}
B->setHeapType(index, Array(element));
}
-bool TypeBuilderIsBasic(TypeBuilderRef builder, BinaryenIndex index) {
- return ((TypeBuilder*)builder)->isBasic(index);
-}
-BinaryenBasicHeapType TypeBuilderGetBasic(TypeBuilderRef builder,
- BinaryenIndex index) {
- return BinaryenBasicHeapType(((TypeBuilder*)builder)->getBasic(index));
-}
BinaryenHeapType TypeBuilderGetTempHeapType(TypeBuilderRef builder,
BinaryenIndex index) {
return ((TypeBuilder*)builder)->getTempHeapType(index).getID();
diff --git a/src/binaryen-c.h b/src/binaryen-c.h
index d05bdf33b..a199561f0 100644
--- a/src/binaryen-c.h
+++ b/src/binaryen-c.h
@@ -3525,12 +3525,6 @@ BINARYEN_API TypeBuilderRef TypeBuilderCreate(BinaryenIndex size);
BINARYEN_API void TypeBuilderGrow(TypeBuilderRef builder, BinaryenIndex count);
// Gets the size of the backing table of the type builder.
BINARYEN_API BinaryenIndex TypeBuilderGetSize(TypeBuilderRef builder);
-// Sets the heap type at index `index` to a basic heap type. Must not be used in
-// nominal mode.
-BINARYEN_API void
-TypeBuilderSetBasicHeapType(TypeBuilderRef builder,
- BinaryenIndex index,
- BinaryenBasicHeapType basicHeapType);
// Sets the heap type at index `index` to a concrete signature type. Expects
// temporary tuple types if multiple parameter and/or result types include
// temporary types.
@@ -3551,12 +3545,6 @@ BINARYEN_API void TypeBuilderSetArrayType(TypeBuilderRef builder,
BinaryenType elementType,
BinaryenPackedType elementPackedType,
int elementMutable);
-// Tests if the heap type at index `index` is a basic heap type.
-BINARYEN_API bool TypeBuilderIsBasic(TypeBuilderRef builder,
- BinaryenIndex index);
-// Gets the basic heap type at index `index`.
-BINARYEN_API BinaryenBasicHeapType TypeBuilderGetBasic(TypeBuilderRef builder,
- BinaryenIndex index);
// Gets the temporary heap type to use at index `index`. Temporary heap types
// may only be used to construct temporary types using the type builder.
BINARYEN_API BinaryenHeapType TypeBuilderGetTempHeapType(TypeBuilderRef builder,
diff --git a/src/tools/fuzzing/heap-types.cpp b/src/tools/fuzzing/heap-types.cpp
index e58c7f51d..26cc518be 100644
--- a/src/tools/fuzzing/heap-types.cpp
+++ b/src/tools/fuzzing/heap-types.cpp
@@ -40,12 +40,10 @@ struct HeapTypeGeneratorImpl {
// Top-level kinds, chosen before the types are actually constructed. This
// allows us to choose HeapTypes that we know will be subtypes of data or func
// before we actually generate the types.
- using BasicKind = HeapType::BasicHeapType;
struct SignatureKind {};
struct StructKind {};
struct ArrayKind {};
- using HeapTypeKind =
- std::variant<BasicKind, SignatureKind, StructKind, ArrayKind>;
+ using HeapTypeKind = std::variant<SignatureKind, StructKind, ArrayKind>;
std::vector<HeapTypeKind> typeKinds;
// For each type, the index one past the end of its recursion group, used to
@@ -83,7 +81,7 @@ struct HeapTypeGeneratorImpl {
builder[i].subTypeOf(builder[super]);
supertypeIndices[i] = super;
subtypeIndices[super].push_back(i);
- typeKinds.push_back(getSubKind(typeKinds[super]));
+ typeKinds.push_back(typeKinds[super]);
}
}
@@ -110,11 +108,7 @@ struct HeapTypeGeneratorImpl {
// Create the heap types.
for (; index < builder.size(); ++index) {
auto kind = typeKinds[index];
- if (auto* basic = std::get_if<BasicKind>(&kind)) {
- // The type is already determined.
- builder[index] = *basic;
- } else if (!supertypeIndices[index] ||
- builder.isBasic(*supertypeIndices[index])) {
+ if (!supertypeIndices[index]) {
// No nontrivial supertype, so create a root type.
if (std::get_if<SignatureKind>(&kind)) {
builder[index] = generateSignature();
@@ -365,9 +359,7 @@ struct HeapTypeGeneratorImpl {
// the builder.
if (rand.oneIn(candidates.size() * 8)) {
auto* kind = &typeKinds[it->second];
- if (auto* basic = std::get_if<BasicKind>(kind)) {
- return HeapType(*basic).getBottom();
- } else if (std::get_if<SignatureKind>(kind)) {
+ if (std::get_if<SignatureKind>(kind)) {
return HeapType::nofunc;
} else {
return HeapType::none;
@@ -434,9 +426,7 @@ struct HeapTypeGeneratorImpl {
candidates.push_back(HeapType::func);
return rand.pick(candidates);
} else {
- // A constructed basic type. Fall through to add all of the basic
- // supertypes as well.
- type = *std::get_if<BasicKind>(kind);
+ WASM_UNREACHABLE("unexpected kind");
}
}
// This is not a constructed type, so it must be a basic type.
@@ -576,70 +566,9 @@ struct HeapTypeGeneratorImpl {
return StructKind{};
case 2:
return ArrayKind{};
- case 3:
- return BasicKind{generateBasicHeapType()};
}
WASM_UNREACHABLE("unexpected index");
}
-
- HeapTypeKind getSubKind(HeapTypeKind super) {
- if (rand.oneIn(16)) {
- // Occasionally go directly to the bottom type.
- if (auto* basic = std::get_if<BasicKind>(&super)) {
- return HeapType(*basic).getBottom();
- } else if (std::get_if<SignatureKind>(&super)) {
- return HeapType::nofunc;
- } else if (std::get_if<StructKind>(&super)) {
- return HeapType::none;
- } else if (std::get_if<ArrayKind>(&super)) {
- return HeapType::none;
- }
- WASM_UNREACHABLE("unexpected kind");
- }
- if (auto* basic = std::get_if<BasicKind>(&super)) {
- if (rand.oneIn(8)) {
- return super;
- }
- switch (*basic) {
- case HeapType::func:
- return SignatureKind{};
- case HeapType::ext:
- case HeapType::i31:
- return super;
- case HeapType::any:
- if (rand.oneIn(5)) {
- return HeapType::eq;
- }
- [[fallthrough]];
- case HeapType::eq:
- switch (rand.upTo(3)) {
- case 0:
- return HeapType::i31;
- case 1:
- return StructKind{};
- case 2:
- return ArrayKind{};
- }
- WASM_UNREACHABLE("unexpected index");
- case HeapType::struct_:
- return StructKind{};
- case HeapType::array:
- return ArrayKind{};
- case HeapType::string:
- case HeapType::stringview_wtf8:
- case HeapType::stringview_wtf16:
- case HeapType::stringview_iter:
- case HeapType::none:
- case HeapType::noext:
- case HeapType::nofunc:
- return super;
- }
- WASM_UNREACHABLE("unexpected kind");
- } else {
- // Signature and Data types can only have Signature and Data subtypes.
- return super;
- }
- }
};
} // anonymous namespace
diff --git a/src/tools/wasm-fuzz-types.cpp b/src/tools/wasm-fuzz-types.cpp
index 0dc9f9d17..4f480ba9d 100644
--- a/src/tools/wasm-fuzz-types.cpp
+++ b/src/tools/wasm-fuzz-types.cpp
@@ -104,7 +104,7 @@ void Fuzzer::printTypes(const std::vector<HeapType>& types) {
auto inRecGroup = [&]() { return currRecGroup && currRecGroup->size() > 1; };
for (size_t i = 0; i < types.size(); ++i) {
auto type = types[i];
- if (!type.isBasic() && type.getRecGroup() != currRecGroup) {
+ if (type.getRecGroup() != currRecGroup) {
if (inRecGroup()) {
std::cout << ")\n";
}
@@ -116,10 +116,6 @@ void Fuzzer::printTypes(const std::vector<HeapType>& types) {
if (inRecGroup()) {
std::cout << ' ';
}
- if (type.isBasic()) {
- std::cout << "(type $" << i << ' ' << print(type) << ")\n";
- continue;
- }
auto [it, inserted] = seen.insert({type, i});
if (inserted) {
std::cout << print(type);
@@ -280,13 +276,9 @@ void Fuzzer::checkCanonicalization() {
currGroupStart = end;
};
for (Index i = 0; i < types.size(); ++i) {
- auto type = types[i];
- if (type.isBasic()) {
- continue;
- }
- auto newGroup = type.getRecGroup();
+ auto newGroup = types[i].getRecGroup();
if (!currGroup || newGroup != currGroup ||
- type == types[currGroupStart]) {
+ types[i] == types[currGroupStart]) {
finishGroup(i);
currGroup = newGroup;
}
@@ -296,9 +288,7 @@ void Fuzzer::checkCanonicalization() {
// Copy the original types
for (; index < types.size(); ++index) {
auto type = types[index];
- if (type.isBasic()) {
- builder[index] = type.getBasic();
- } else if (type.isSignature()) {
+ if (type.isSignature()) {
builder[index] = getSignature(type.getSignature());
} else if (type.isStruct()) {
builder[index] = getStruct(type.getStruct());
@@ -333,28 +323,27 @@ void Fuzzer::checkCanonicalization() {
CopiedHeapType getChildHeapType(HeapType old) {
auto it = typeIndices.find(old);
if (it == typeIndices.end()) {
- // This is a basic heap type that wasn't explicitly built.
+ // This is a basic heap type and wasn't explicitly built.
assert(old.isBasic());
return {OldHeapType{old}};
}
- if (!old.isBasic()) {
- // Check whether this child heap type is supposed to be a self-reference
- // into the recursion group we are defining. If it is, we must use the
- // corresponding type in the new recursion group, since anything else
- // would break isorecursive equivalence.
- auto group = old.getRecGroup();
- if (group == types[index].getRecGroup()) {
- // This is a self-reference, so find the correct index, which is the
- // last matching index less than the end of this rec group.
- std::optional<Index> i;
- for (auto candidate : it->second) {
- if (candidate >= recGroupEnds[index]) {
- break;
- }
- i = candidate;
+ assert(!old.isBasic());
+ // Check whether this child heap type is supposed to be a self-reference
+ // into the recursion group we are defining. If it is, we must use the
+ // corresponding type in the new recursion group, since anything else
+ // would break isorecursive equivalence.
+ auto group = old.getRecGroup();
+ if (group == types[index].getRecGroup()) {
+ // This is a self-reference, so find the correct index, which is the
+ // last matching index less than the end of this rec group.
+ std::optional<Index> i;
+ for (auto candidate : it->second) {
+ if (candidate >= recGroupEnds[index]) {
+ break;
}
- return {NewHeapType{builder[*i]}};
+ i = candidate;
}
+ return {NewHeapType{builder[*i]}};
}
// Choose whether to use an old type or a new type
if (rand.oneIn(2)) {
@@ -366,12 +355,7 @@ void Fuzzer::checkCanonicalization() {
candidateIndices.push_back(i);
}
}
- if (candidateIndices.empty()) {
- // This is a basic type that was only ever created after the current
- // rec group, so we can't refer to a new copy of it after all.
- assert(old.isBasic());
- return {OldHeapType{old}};
- }
+ assert(!candidateIndices.empty());
Index i = rand.pick(candidateIndices);
return {NewHeapType{builder[i]}};
} else {
diff --git a/src/wasm-type.h b/src/wasm-type.h
index ad0606d59..551096fb5 100644
--- a/src/wasm-type.h
+++ b/src/wasm-type.h
@@ -579,21 +579,12 @@ struct TypeBuilder {
// The number of HeapType slots in the TypeBuilder.
size_t size();
- // Sets the heap type at index `i`. May only be called before `build`. The
- // BasicHeapType overload may not be used in nominal mode.
- void setHeapType(size_t i, HeapType::BasicHeapType basic);
+ // Sets the heap type at index `i`. May only be called before `build`.
void setHeapType(size_t i, Signature signature);
void setHeapType(size_t i, const Struct& struct_);
void setHeapType(size_t i, Struct&& struct_);
void setHeapType(size_t i, Array array);
- // This is an ugly hack around the fact that temp heap types initialized with
- // BasicHeapTypes are not themselves considered basic, so `HeapType::isBasic`
- // and `HeapType::getBasic` do not work as expected with them. Call these
- // methods instead.
- bool isBasic(size_t i);
- HeapType::BasicHeapType getBasic(size_t i);
-
// Gets the temporary HeapType at index `i`. This HeapType should only be used
// to construct temporary Types using the methods below.
HeapType getTempHeapType(size_t i);
@@ -653,10 +644,6 @@ struct TypeBuilder {
TypeBuilder& builder;
size_t index;
operator HeapType() const { return builder.getTempHeapType(index); }
- Entry& operator=(HeapType::BasicHeapType basic) {
- builder.setHeapType(index, basic);
- return *this;
- }
Entry& operator=(Signature signature) {
builder.setHeapType(index, signature);
return *this;
diff --git a/src/wasm/wasm-type.cpp b/src/wasm/wasm-type.cpp
index c9c35ac49..f697ba5a3 100644
--- a/src/wasm/wasm-type.cpp
+++ b/src/wasm/wasm-type.cpp
@@ -77,9 +77,8 @@ struct TypeInfo {
bool isNullable() const { return kind == RefKind && ref.nullable; }
// If this TypeInfo represents a Type that can be represented more simply,
- // return that simpler Type. For example, this handles canonicalizing the
- // TypeInfo representing (ref null any) into the BasicType anyref. It also
- // handles eliminating singleton tuple types.
+ // return that simpler Type. For example, this handles eliminating singleton
+ // tuple types.
std::optional<Type> getCanonical() const;
bool operator==(const TypeInfo& other) const;
@@ -105,7 +104,6 @@ struct HeapTypeInfo {
RecGroupInfo* recGroup = nullptr;
size_t recGroupIndex = 0;
enum Kind {
- BasicKind,
SignatureKind,
StructKind,
ArrayKind,
@@ -117,7 +115,6 @@ struct HeapTypeInfo {
Array array;
};
- HeapTypeInfo(HeapType::BasicHeapType basic) : kind(BasicKind), basic(basic) {}
HeapTypeInfo(Signature sig) : kind(SignatureKind), signature(sig) {}
HeapTypeInfo(const Struct& struct_) : kind(StructKind), struct_(struct_) {}
HeapTypeInfo(Struct&& struct_)
@@ -131,11 +128,6 @@ struct HeapTypeInfo {
constexpr bool isArray() const { return kind == ArrayKind; }
constexpr bool isData() const { return isStruct() || isArray(); }
- // If this HeapTypeInfo represents a HeapType that can be represented more
- // simply, return that simpler HeapType. This handles turning BasicKind
- // HeapTypes into their corresponding BasicHeapTypes.
- std::optional<HeapType> getCanonical() const;
-
HeapTypeInfo& operator=(const HeapTypeInfo& other);
bool operator==(const HeapTypeInfo& other) const;
bool operator!=(const HeapTypeInfo& other) const { return !(*this == other); }
@@ -455,27 +447,12 @@ bool isTemp(HeapType type) {
return !type.isBasic() && getHeapTypeInfo(type)->isTemp;
}
-// Given a Type that may or may not be backed by the simplest possible
-// representation, return the equivalent type that is definitely backed by the
-// simplest possible representation.
-Type asCanonical(Type type) {
- if (type.isBasic()) {
- return type;
- } else if (auto canon = getTypeInfo(type)->getCanonical()) {
- return *canon;
- } else {
- return type;
- }
-}
-
HeapType::BasicHeapType getBasicHeapSupertype(HeapType type) {
if (type.isBasic()) {
return type.getBasic();
}
auto* info = getHeapTypeInfo(type);
switch (info->kind) {
- case HeapTypeInfo::BasicKind:
- break;
case HeapTypeInfo::SignatureKind:
return HeapType::func;
case HeapTypeInfo::StructKind:
@@ -597,9 +574,6 @@ HeapTypeInfo::HeapTypeInfo(const HeapTypeInfo& other) {
supertype = other.supertype;
recGroup = other.recGroup;
switch (kind) {
- case BasicKind:
- new (&basic) auto(other.basic);
- return;
case SignatureKind:
new (&signature) auto(other.signature);
return;
@@ -615,8 +589,6 @@ HeapTypeInfo::HeapTypeInfo(const HeapTypeInfo& other) {
HeapTypeInfo::~HeapTypeInfo() {
switch (kind) {
- case BasicKind:
- return;
case SignatureKind:
signature.~Signature();
return;
@@ -630,13 +602,6 @@ HeapTypeInfo::~HeapTypeInfo() {
WASM_UNREACHABLE("unexpected kind");
}
-std::optional<HeapType> HeapTypeInfo::getCanonical() const {
- if (isFinalized && kind == BasicKind) {
- return basic;
- }
- return {};
-}
-
HeapTypeInfo& HeapTypeInfo::operator=(const HeapTypeInfo& other) {
if (&other != this) {
this->~HeapTypeInfo();
@@ -702,9 +667,11 @@ private:
return typename Info::type_t(id);
};
- // Turn e.g. (ref null any) into anyref.
- if (auto canonical = info.getCanonical()) {
- return *canonical;
+ // Turn e.g. singleton tuple into non-tuple.
+ if constexpr (std::is_same_v<Info, TypeInfo>) {
+ if (auto canonical = info.getCanonical()) {
+ return *canonical;
+ }
}
std::lock_guard<std::recursive_mutex> lock(mutex);
// Check whether we already have a type for this structural Info.
@@ -1376,8 +1343,6 @@ HeapType::BasicHeapType HeapType::getBottom() const {
}
auto* info = getHeapTypeInfo(*this);
switch (info->kind) {
- case HeapTypeInfo::BasicKind:
- return HeapType(info->basic).getBottom();
case HeapTypeInfo::SignatureKind:
return nofunc;
case HeapTypeInfo::StructKind:
@@ -1861,10 +1826,7 @@ std::ostream& TypePrinter::print(HeapType type) {
#if TRACE_CANONICALIZATION
os << "(;" << ((type.getID() >> 4) % 1000) << ";)";
#endif
- if (getHeapTypeInfo(type)->kind == HeapTypeInfo::BasicKind) {
- os << "(; noncanonical ;) ";
- print(getHeapTypeInfo(type)->basic);
- } else if (type.isSignature()) {
+ if (type.isSignature()) {
print(type.getSignature(), type.getSuperType());
} else if (type.isStruct()) {
print(type.getStruct(), type.getSuperType());
@@ -2045,8 +2007,6 @@ size_t RecGroupHasher::hash(const HeapTypeInfo& info) const {
}
wasm::rehash(digest, info.kind);
switch (info.kind) {
- case HeapTypeInfo::BasicKind:
- WASM_UNREACHABLE("Basic HeapTypeInfo should have been canonicalized");
case HeapTypeInfo::SignatureKind:
hash_combine(digest, hash(info.signature));
return digest;
@@ -2171,8 +2131,6 @@ bool RecGroupEquator::eq(const HeapTypeInfo& a, const HeapTypeInfo& b) const {
return false;
}
switch (a.kind) {
- case HeapTypeInfo::BasicKind:
- WASM_UNREACHABLE("Basic HeapTypeInfo should have been canonicalized");
case HeapTypeInfo::SignatureKind:
return eq(a.signature, b.signature);
case HeapTypeInfo::StructKind:
@@ -2282,8 +2240,6 @@ void TypeGraphWalkerBase<Self>::scanHeapType(HeapType* ht) {
}
auto* info = getHeapTypeInfo(*ht);
switch (info->kind) {
- case HeapTypeInfo::BasicKind:
- break;
case HeapTypeInfo::SignatureKind:
taskList.push_back(Task::scan(&info->signature.results));
taskList.push_back(Task::scan(&info->signature.params));
@@ -2355,11 +2311,6 @@ void TypeBuilder::grow(size_t n) {
size_t TypeBuilder::size() { return impl->entries.size(); }
-void TypeBuilder::setHeapType(size_t i, HeapType::BasicHeapType basic) {
- assert(i < size() && "Index out of bounds");
- impl->entries[i].set(basic);
-}
-
void TypeBuilder::setHeapType(size_t i, Signature signature) {
assert(i < size() && "index out of bounds");
impl->entries[i].set(signature);
@@ -2380,16 +2331,6 @@ void TypeBuilder::setHeapType(size_t i, Array array) {
impl->entries[i].set(array);
}
-bool TypeBuilder::isBasic(size_t i) {
- assert(i < size() && "index out of bounds");
- return impl->entries[i].info->kind == HeapTypeInfo::BasicKind;
-}
-
-HeapType::BasicHeapType TypeBuilder::getBasic(size_t i) {
- assert(isBasic(i));
- return impl->entries[i].info->basic;
-}
-
HeapType TypeBuilder::getTempHeapType(size_t i) {
assert(i < size() && "index out of bounds");
return impl->entries[i].get();
@@ -2469,8 +2410,6 @@ struct CanonicalizationState {
// Updates the HeapType use sites within `info`.
void updateUses(ReplacementMap& replacements,
std::unique_ptr<HeapTypeInfo>& info);
- // Updates lists and uses.
- void update(ReplacementMap& replacements);
#if TRACE_CANONICALIZATION
void dump() {
@@ -2488,16 +2427,6 @@ struct CanonicalizationState {
#endif // TRACE_CANONICALIZATION
};
-void CanonicalizationState::update(ReplacementMap& replacements) {
- if (replacements.empty()) {
- return;
- }
- updateShallow(replacements);
- for (auto& info : newInfos) {
- updateUses(replacements, info);
- }
-}
-
void CanonicalizationState::updateShallow(ReplacementMap& replacements) {
if (replacements.empty()) {
return;
@@ -2670,8 +2599,6 @@ validateSubtyping(const std::vector<HeapType>& types) {
}
SubTyper typer;
switch (sub->kind) {
- case HeapTypeInfo::BasicKind:
- WASM_UNREACHABLE("unexpected kind");
case HeapTypeInfo::SignatureKind:
if (!typer.isSubType(sub->signature, super->signature)) {
return fail();
@@ -2803,43 +2730,6 @@ std::optional<TypeBuilder::Error> canonicalizeIsorecursive(
return {};
}
-void canonicalizeBasicTypes(CanonicalizationState& state) {
- // Replace heap types backed by BasicKind HeapTypeInfos with their
- // corresponding BasicHeapTypes. The heap types backed by BasicKind
- // HeapTypeInfos exist only to support building basic types in a TypeBuilder
- // and are never canonical.
- CanonicalizationState::ReplacementMap replacements;
- for (auto& info : state.newInfos) {
- if (info->kind == HeapTypeInfo::BasicKind) {
- replacements.insert({asHeapType(info), HeapType(info->basic)});
- }
- // Basic supertypes should be implicit.
- if (info->supertype && info->supertype->kind == HeapTypeInfo::BasicKind) {
- info->supertype = nullptr;
- }
- }
- state.update(replacements);
-
- if (replacements.size()) {
- // Canonicalizing basic heap types may cause their parent types to become
- // canonicalizable as well, for example after creating `(ref null any)` we
- // can futher canonicalize to `anyref`.
- struct TypeCanonicalizer : TypeGraphWalkerBase<TypeCanonicalizer> {
- void scanType(Type* type) {
- if (type->isTuple()) {
- TypeGraphWalkerBase<TypeCanonicalizer>::scanType(type);
- } else {
- *type = asCanonical(*type);
- }
- }
- };
- for (auto& info : state.newInfos) {
- auto root = asHeapType(info);
- TypeCanonicalizer{}.walkRoot(&root);
- }
- }
-}
-
} // anonymous namespace
TypeBuilder::BuildResult TypeBuilder::build() {
@@ -2859,10 +2749,6 @@ TypeBuilder::BuildResult TypeBuilder::build() {
state.newInfos.emplace_back(std::move(info));
}
- // Eagerly replace references to built basic heap types so the more
- // complicated canonicalization algorithms don't need to consider them.
- canonicalizeBasicTypes(state);
-
#if TRACE_CANONICALIZATION
std::cerr << "After replacing basic heap types:\n";
state.dump();