1 //===-- WebAssemblyTargetTransformInfo.cpp - WebAssembly-specific TTI -----===// 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 defines the WebAssembly-specific TargetTransformInfo 12 /// implementation. 13 /// 14 //===----------------------------------------------------------------------===// 15 16 #include "WebAssemblyTargetTransformInfo.h" 17 #include "llvm/Support/Debug.h" 18 #include "llvm/Target/CostTable.h" 19 using namespace llvm; 20 21 #define DEBUG_TYPE "wasmtti" 22 23 TargetTransformInfo::PopcntSupportKind getPopcntSupport(unsigned TyWidth)24WebAssemblyTTIImpl::getPopcntSupport(unsigned TyWidth) { 25 assert(isPowerOf2_32(TyWidth) && "Ty width must be power of 2"); 26 // TODO: Make Math.popcount32 happen in WebAssembly. 27 return TTI::PSK_Software; 28 } 29