diff options
| -rw-r--r-- | src/wasm/wasm-type.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/wasm/wasm-type.cpp b/src/wasm/wasm-type.cpp index 1b6313ad7..a63c66770 100644 --- a/src/wasm/wasm-type.cpp +++ b/src/wasm/wasm-type.cpp @@ -1049,6 +1049,10 @@ Type Type::get(unsigned byteSize, bool float_) { } bool Type::isSubType(Type left, Type right) { + // As an optimization, in the common case do not even construct a SubTyper. + if (left == right) { + return true; + } return SubTyper().isSubType(left, right); } @@ -1220,6 +1224,10 @@ bool HeapType::isNominal() const { } bool HeapType::isSubType(HeapType left, HeapType right) { + // As an optimization, in the common case do not even construct a SubTyper. + if (left == right) { + return true; + } return SubTyper().isSubType(left, right); } |