1 //===- DirectXTargetTransformInfo.cpp - DirectX TTI ---------------*- C++ 2 //-*-===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 /// 10 //===----------------------------------------------------------------------===// 11 12 #include "DirectXTargetTransformInfo.h" 13 #include "llvm/IR/Intrinsics.h" 14 #include "llvm/IR/IntrinsicsDirectX.h" 15 16 using namespace llvm; 17 18 bool DirectXTTIImpl::isTargetIntrinsicWithScalarOpAtArg( 19 Intrinsic::ID ID, unsigned ScalarOpdIdx) const { 20 switch (ID) { 21 case Intrinsic::dx_wave_readlane: 22 return ScalarOpdIdx == 1; 23 default: 24 return false; 25 } 26 } 27 28 bool DirectXTTIImpl::isTargetIntrinsicWithOverloadTypeAtArg(Intrinsic::ID ID, 29 int OpdIdx) const { 30 switch (ID) { 31 case Intrinsic::dx_asdouble: 32 case Intrinsic::dx_isinf: 33 case Intrinsic::dx_firstbitlow: 34 case Intrinsic::dx_firstbituhigh: 35 case Intrinsic::dx_firstbitshigh: 36 return OpdIdx == 0; 37 default: 38 return OpdIdx == -1; 39 } 40 } 41 42 bool DirectXTTIImpl::isTargetIntrinsicTriviallyScalarizable( 43 Intrinsic::ID ID) const { 44 switch (ID) { 45 case Intrinsic::dx_asdouble: 46 case Intrinsic::dx_firstbitlow: 47 case Intrinsic::dx_firstbitshigh: 48 case Intrinsic::dx_firstbituhigh: 49 case Intrinsic::dx_frac: 50 case Intrinsic::dx_isinf: 51 case Intrinsic::dx_rsqrt: 52 case Intrinsic::dx_saturate: 53 case Intrinsic::dx_splitdouble: 54 case Intrinsic::dx_wave_readlane: 55 case Intrinsic::dx_wave_reduce_max: 56 case Intrinsic::dx_wave_reduce_sum: 57 case Intrinsic::dx_wave_reduce_umax: 58 case Intrinsic::dx_wave_reduce_usum: 59 return true; 60 default: 61 return false; 62 } 63 } 64