notation change: AST => IR (#1245)

The IR is indeed a tree, but not an "abstract syntax tree" since there is no language for which it is the syntax (except in the most trivial and meaningless sense).

1 files changed, 0 insertions, 59 deletions

diff --git a/src/ast/hashed.h b/src/ast/hashed.h
deleted file mode 100644
index 04ee7f401..000000000
--- a/src/ast/hashed.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright 2017 WebAssembly Community Group participants
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef _wasm_ast_hashed_h
-
-#include "support/hash.h"
-#include "wasm.h"
-#include "ast_utils.h"
-
-namespace wasm {
-
-// An expression with a cached hash value
-struct HashedExpression {
-  Expression* expr;
-  size_t hash;
-
-  HashedExpression(Expression* expr) : expr(expr) {
-    if (expr) {
-      hash = ExpressionAnalyzer::hash(expr);
-    }
-  }
-
-  HashedExpression(const HashedExpression& other) : expr(other.expr), hash(other.hash) {}
-};
-
-struct ExpressionHasher {
-  size_t operator()(const HashedExpression value) const {
-    return value.hash;
-  }
-};
-
-struct ExpressionComparer {
-  bool operator()(const HashedExpression a, const HashedExpression b) const {
-    if (a.hash != b.hash) return false;
-    return ExpressionAnalyzer::equal(a.expr, b.expr);
-  }
-};
-
-template<typename T>
-class HashedExpressionMap : public std::unordered_map<HashedExpression, T, ExpressionHasher, ExpressionComparer> {
-};
-
-} // namespace wasm
-
-#endif // _wasm_ast_hashed_h
-