1 //===-- WebAssemblyTypeUtilities - WebAssembly Type Utilities---*- C++ -*-====// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// \file 10 /// This file contains the declaration of the WebAssembly-specific type parsing 11 /// utility functions. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_UTILS_WEBASSEMBLYTYPEUTILITIES_H 16 #define LLVM_LIB_TARGET_WEBASSEMBLY_UTILS_WEBASSEMBLYTYPEUTILITIES_H 17 18 #include "MCTargetDesc/WebAssemblyMCTypeUtilities.h" 19 #include "llvm/BinaryFormat/Wasm.h" 20 #include "llvm/CodeGen/MachineValueType.h" 21 #include "llvm/CodeGen/WasmAddressSpaces.h" 22 #include "llvm/IR/DerivedTypes.h" 23 #include "llvm/MC/MCSymbolWasm.h" 24 25 namespace llvm { 26 27 class TargetRegisterClass; 28 29 namespace WebAssembly { 30 31 /// Return true if this is a WebAssembly Externref Type. 32 inline bool isWebAssemblyExternrefType(const Type *Ty) { 33 return Ty->getPointerAddressSpace() == 34 WebAssembly::WasmAddressSpace::WASM_ADDRESS_SPACE_EXTERNREF; 35 } 36 37 /// Return true if this is a WebAssembly Funcref Type. 38 inline bool isWebAssemblyFuncrefType(const Type *Ty) { 39 return Ty->getPointerAddressSpace() == 40 WebAssembly::WasmAddressSpace::WASM_ADDRESS_SPACE_FUNCREF; 41 } 42 43 /// Return true if this is a WebAssembly Reference Type. 44 inline bool isWebAssemblyReferenceType(const Type *Ty) { 45 return isWebAssemblyExternrefType(Ty) || isWebAssemblyFuncrefType(Ty); 46 } 47 48 // Convert StringRef to ValType / HealType / BlockType 49 50 MVT parseMVT(StringRef Type); 51 52 // Convert a MVT into its corresponding wasm ValType. 53 wasm::ValType toValType(MVT Type); 54 55 // Convert a register class to a wasm ValType. 56 wasm::ValType regClassToValType(const TargetRegisterClass *RC); 57 58 /// Sets a Wasm Symbol Type. 59 void wasmSymbolSetType(MCSymbolWasm *Sym, const Type *GlobalVT, 60 const ArrayRef<MVT> &VTs); 61 62 } // end namespace WebAssembly 63 } // end namespace llvm 64 65 #endif 66