| //===-- WebAssemblyTypeUtilities - WebAssembly Type Utilities---*- C++ -*-====// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// This file contains the declaration of the WebAssembly-specific type parsing |
| /// utility functions. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_UTILS_WEBASSEMBLYTYPEUTILITIES_H |
| #define LLVM_LIB_TARGET_WEBASSEMBLY_UTILS_WEBASSEMBLYTYPEUTILITIES_H |
| |
| #include "MCTargetDesc/WebAssemblyMCTypeUtilities.h" |
| #include "WasmAddressSpaces.h" |
| #include "llvm/BinaryFormat/Wasm.h" |
| #include "llvm/CodeGenTypes/MachineValueType.h" |
| #include "llvm/IR/DerivedTypes.h" |
| #include "llvm/MC/MCSymbolWasm.h" |
| |
| namespace llvm { |
| |
| namespace WebAssembly { |
| |
| /// Return true if this is a WebAssembly Externref Type. |
| inline bool isWebAssemblyExternrefType(const Type *Ty) { |
| return Ty->isPointerTy() && |
| Ty->getPointerAddressSpace() == |
| WebAssembly::WasmAddressSpace::WASM_ADDRESS_SPACE_EXTERNREF; |
| } |
| |
| /// Return true if this is a WebAssembly Funcref Type. |
| inline bool isWebAssemblyFuncrefType(const Type *Ty) { |
| return Ty->isPointerTy() && |
| Ty->getPointerAddressSpace() == |
| WebAssembly::WasmAddressSpace::WASM_ADDRESS_SPACE_FUNCREF; |
| } |
| |
| /// Return true if this is a WebAssembly Reference Type. |
| inline bool isWebAssemblyReferenceType(const Type *Ty) { |
| return isWebAssemblyExternrefType(Ty) || isWebAssemblyFuncrefType(Ty); |
| } |
| |
| /// Return true if the table represents a WebAssembly table type. |
| inline bool isWebAssemblyTableType(const Type *Ty) { |
| return Ty->isArrayTy() && |
| isWebAssemblyReferenceType(Ty->getArrayElementType()); |
| } |
| |
| // Convert StringRef to ValType / HealType / BlockType |
| |
| MVT parseMVT(StringRef Type); |
| |
| // Convert a MVT into its corresponding wasm ValType. |
| wasm::ValType toValType(MVT Type); |
| |
| /// Sets a Wasm Symbol Type. |
| void wasmSymbolSetType(MCSymbolWasm *Sym, const Type *GlobalVT, |
| ArrayRef<MVT> VTs); |
| |
| } // end namespace WebAssembly |
| } // end namespace llvm |
| |
| #endif |