1 files changed, 0 insertions, 106 deletions
diff --git a/src/passes/RemoveCopysign.cpp b/src/passes/RemoveCopysign.cpp
deleted file mode 100644
index 2b57441ee..000000000
--- a/src/passes/RemoveCopysign.cpp
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright 2018 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.
- */
-
-//
-// Removes the `f32.copysign` and `f64.copysign` instructions and replaces them
-// with equivalent bit operations. Primarily intended to be used with `wasm2asm`
-// where `Math.copysign` doesn't exist.
-//
-
-#include <wasm.h>
-#include <pass.h>
-
-#include "wasm-builder.h"
-
-namespace wasm {
-
-struct RemoveCopysignPass : public WalkerPass<PostWalker<RemoveCopysignPass>> {
-  bool isFunctionParallel() override { return false; }
-
-  Pass* create() override { return new RemoveCopysignPass; }
-
-  void doWalkModule(Module* module) {
-    if (!builder) builder = make_unique<Builder>(*module);
-    PostWalker<RemoveCopysignPass>::doWalkModule(module);
-  }
-
-  void doWalkFunction(Function* func) {
-    if (!builder) builder = make_unique<Builder>(*getModule());
-    PostWalker<RemoveCopysignPass>::doWalkFunction(func);
-  }
-
-  void visitBinary(Binary *curr) {
-    Literal signBit, otherBits;
-    UnaryOp int2float, float2int;
-    BinaryOp bitAnd, bitOr;
-    switch (curr->op) {
-      case CopySignFloat32:
-        float2int = ReinterpretFloat32;
-        int2float = ReinterpretInt32;
-        bitAnd = AndInt32;
-        bitOr = OrInt32;
-        signBit = Literal(uint32_t(1 << 31));
-        otherBits = Literal(uint32_t(1 << 31) - 1);
-        break;
-
-      case CopySignFloat64:
-        float2int = ReinterpretFloat64;
-        int2float = ReinterpretInt64;
-        bitAnd = AndInt64;
-        bitOr = OrInt64;
-        signBit = Literal(uint64_t(1) << 63);
-        otherBits = Literal((uint64_t(1) << 63) - 1);
-        break;
-
-      default: return;
-    }
-
-    replaceCurrent(
-      builder->makeUnary(
-        int2float,
-        builder->makeBinary(
-          bitOr,
-          builder->makeBinary(
-            bitAnd,
-            builder->makeUnary(
-              float2int,
-              curr->left
-            ),
-            builder->makeConst(otherBits)
-          ),
-          builder->makeBinary(
-            bitAnd,
-            builder->makeUnary(
-              float2int,
-              curr->right
-            ),
-            builder->makeConst(signBit)
-          )
-        )
-      )
-    );
-  }
-
-private:
-  std::unique_ptr<Builder> builder;
-};
-
-Pass *createRemoveCopysignPass() {
-  return new RemoveCopysignPass();
-}
-
-} // namespace wasm
-