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//===- DirectXTargetTransformInfo.cpp - DirectX TTI ---------------*- 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
//
//===----------------------------------------------------------------------===//
///
//===----------------------------------------------------------------------===//
#include "DirectXTargetTransformInfo.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsDirectX.h"
using namespace llvm;
bool DirectXTTIImpl::isTargetIntrinsicWithScalarOpAtArg(Intrinsic::ID ID,
unsigned ScalarOpdIdx) {
switch (ID) {
case Intrinsic::dx_wave_readlane:
return ScalarOpdIdx == 1;
default:
return false;
}
}
bool DirectXTTIImpl::isVectorIntrinsicWithOverloadTypeAtArg(Intrinsic::ID ID,
int ScalarOpdIdx) {
switch (ID) {
case Intrinsic::dx_asdouble:
return ScalarOpdIdx == 0;
default:
return ScalarOpdIdx == -1;
}
}
bool DirectXTTIImpl::isTargetIntrinsicTriviallyScalarizable(
Intrinsic::ID ID) const {
switch (ID) {
case Intrinsic::dx_frac:
case Intrinsic::dx_rsqrt:
case Intrinsic::dx_wave_readlane:
case Intrinsic::dx_asdouble:
case Intrinsic::dx_splitdouble:
case Intrinsic::dx_firstbituhigh:
case Intrinsic::dx_firstbitshigh:
return true;
default:
return false;
}
}
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