fb90733e19
Implements elementwise firstbithigh hlsl builtin. Implements firstbituhigh intrinsic for spirv and directx, which handles unsigned integers Implements firstbitshigh intrinsic for spirv and directx, which handles signed integers. Fixes #113486 Closes #99115
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
//===- DirectXTargetTransformInfo.cpp - DirectX TTI ---------------*- C++
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//-*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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//===----------------------------------------------------------------------===//
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#include "DirectXTargetTransformInfo.h"
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#include "llvm/IR/Intrinsics.h"
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#include "llvm/IR/IntrinsicsDirectX.h"
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using namespace llvm;
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bool DirectXTTIImpl::isTargetIntrinsicWithScalarOpAtArg(Intrinsic::ID ID,
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unsigned ScalarOpdIdx) {
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switch (ID) {
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case Intrinsic::dx_wave_readlane:
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return ScalarOpdIdx == 1;
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default:
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return false;
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}
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}
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bool DirectXTTIImpl::isTargetIntrinsicTriviallyScalarizable(
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Intrinsic::ID ID) const {
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switch (ID) {
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case Intrinsic::dx_frac:
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case Intrinsic::dx_rsqrt:
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case Intrinsic::dx_wave_readlane:
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case Intrinsic::dx_splitdouble:
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case Intrinsic::dx_firstbituhigh:
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case Intrinsic::dx_firstbitshigh:
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return true;
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default:
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return false;
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}
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}
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