diff options
author | Alon Zakai <alonzakai@gmail.com> | 2016-03-07 21:25:14 -0800 |
---|---|---|
committer | Alon Zakai <alonzakai@gmail.com> | 2016-03-07 21:25:14 -0800 |
commit | bc74a6478aa229abf6dbf7269e67aeeb570e7554 (patch) | |
tree | f24fd1e1ed75184abd5d2710a93a4b9a889a3d94 /src/passes/LowerCase.cpp | |
parent | 8efa11fbb9ff8cfd8bacc9d16642e13e2bbac9b4 (diff) | |
parent | 9407880de631fb4e9f8caa0c746e4d39f40be91d (diff) | |
download | binaryen-bc74a6478aa229abf6dbf7269e67aeeb570e7554.tar.gz binaryen-bc74a6478aa229abf6dbf7269e67aeeb570e7554.tar.bz2 binaryen-bc74a6478aa229abf6dbf7269e67aeeb570e7554.zip |
Merge pull request #231 from WebAssembly/spec-updates
Spec updates
Diffstat (limited to 'src/passes/LowerCase.cpp')
-rw-r--r-- | src/passes/LowerCase.cpp | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/src/passes/LowerCase.cpp b/src/passes/LowerCase.cpp deleted file mode 100644 index c0ab8d235..000000000 --- a/src/passes/LowerCase.cpp +++ /dev/null @@ -1,105 +0,0 @@ -/* - * Copyright 2016 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. - */ - -// -// Lowers switch cases out into blocks, -// -/* - (tableswitch $switch$0 - (i32.sub - (get_local $x) - (i32.const 1) - ) - (table (case $switch-case$1) (case $switch-case$2)) (case $switch-default$3) - (case $switch-case$1 - (return - (i32.const 1) - ) - ) - (case $switch-case$2 - (return - (i32.const 2) - ) - ) - (case $switch-default$3 - (nop) - ) - ) - - into - - (block $forswitch$switch$0 - (block $switch-case$3 - (block $switch-case$2 - (block $switch-case$1 - (tableswitch $switch$0 - (i32.sub - (get_local $x) - (i32.const 1) - ) - (table (br $switch-case$1) (br $switch-case$2)) (br $switch-default$3) - ) - ) - (return - (i32.const 1) - ) - ) - (return - (i32.const 2) - ) - ) - (nop) - ) -*/ - - -#include <memory> - -#include <wasm.h> -#include <pass.h> - -namespace wasm { - -struct LowerCase : public WalkerPass<WasmWalker<LowerCase, void>> { - MixedArena* allocator; - - void prepare(PassRunner* runner, Module *module) override { - allocator = runner->allocator; - } - - void visitSwitch(Switch *curr) { - if (curr->cases.size() == 0) return; - auto top = allocator->alloc<Block>(); - top->list.push_back(curr); - top->finalize(); - for (auto& c : curr->cases) { - top->name = c.name; - auto next = allocator->alloc<Block>(); - next->list.push_back(top); - next->list.push_back(c.body); - next->finalize(); - top = next; - } - curr->cases.clear(); - top->name = curr->name; - curr->name = Name(); - replaceCurrent(top); - } -}; - -static RegisterPass<LowerCase> registerPass("lower-case", "lowers cases into blocks"); - -} // namespace wasm |