1 //===-- WebAssemblySubtarget.cpp - WebAssembly Subtarget Information ------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// 10 /// \file 11 /// \brief This file implements the WebAssembly-specific subclass of 12 /// TargetSubtarget. 13 /// 14 //===----------------------------------------------------------------------===// 15 16 #include "WebAssemblyInstrInfo.h" 17 #include "MCTargetDesc/WebAssemblyMCTargetDesc.h" 18 #include "WebAssemblySubtarget.h" 19 #include "llvm/Support/TargetRegistry.h" 20 using namespace llvm; 21 22 #define DEBUG_TYPE "wasm-subtarget" 23 24 #define GET_SUBTARGETINFO_CTOR 25 #define GET_SUBTARGETINFO_TARGET_DESC 26 #include "WebAssemblyGenSubtargetInfo.inc" 27 28 WebAssemblySubtarget & 29 WebAssemblySubtarget::initializeSubtargetDependencies(StringRef FS) { 30 // Determine default and user-specified characteristics 31 32 if (CPUString.empty()) 33 CPUString = "generic"; 34 35 ParseSubtargetFeatures(CPUString, FS); 36 return *this; 37 } 38 39 WebAssemblySubtarget::WebAssemblySubtarget(const Triple &TT, 40 const std::string &CPU, 41 const std::string &FS, 42 const TargetMachine &TM) 43 : WebAssemblyGenSubtargetInfo(TT, CPU, FS), HasSIMD128(false), 44 CPUString(CPU), TargetTriple(TT), FrameLowering(), 45 InstrInfo(initializeSubtargetDependencies(FS)), TSInfo(), 46 TLInfo(TM, *this) {} 47 48 bool WebAssemblySubtarget::enableMachineScheduler() const { return true; } 49 bool WebAssemblySubtarget::useAA() const { return true; } 50
