LLVM 22.0.0git
DirectXTargetTransformInfo.cpp
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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
13#include "llvm/IR/Intrinsics.h"
14#include "llvm/IR/IntrinsicsDirectX.h"
15
16using namespace llvm;
17
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
29 int OpdIdx) const {
30 switch (ID) {
31 case Intrinsic::dx_asdouble:
32 case Intrinsic::dx_isinf:
33 case Intrinsic::dx_isnan:
34 case Intrinsic::dx_firstbitlow:
35 case Intrinsic::dx_firstbituhigh:
36 case Intrinsic::dx_firstbitshigh:
37 return OpdIdx == 0;
38 default:
39 return OpdIdx == -1;
40 }
41}
42
44 Intrinsic::ID ID) const {
45 switch (ID) {
46 case Intrinsic::dx_asdouble:
47 case Intrinsic::dx_firstbitlow:
48 case Intrinsic::dx_firstbitshigh:
49 case Intrinsic::dx_firstbituhigh:
50 case Intrinsic::dx_frac:
51 case Intrinsic::dx_isinf:
52 case Intrinsic::dx_isnan:
53 case Intrinsic::dx_rsqrt:
54 case Intrinsic::dx_saturate:
55 case Intrinsic::dx_splitdouble:
56 case Intrinsic::dx_wave_readlane:
57 case Intrinsic::dx_wave_reduce_max:
58 case Intrinsic::dx_wave_reduce_sum:
59 case Intrinsic::dx_wave_reduce_umax:
60 case Intrinsic::dx_wave_reduce_usum:
61 case Intrinsic::dx_imad:
62 case Intrinsic::dx_umad:
63 return true;
64 default:
65 return false;
66 }
67}
bool isTargetIntrinsicWithScalarOpAtArg(Intrinsic::ID ID, unsigned ScalarOpdIdx) const override
bool isTargetIntrinsicTriviallyScalarizable(Intrinsic::ID ID) const override
bool isTargetIntrinsicWithOverloadTypeAtArg(Intrinsic::ID ID, int OpdIdx) const override
unsigned ID
LLVM IR allows to use arbitrary numbers as calling convention identifiers.
Definition CallingConv.h:24
This is an optimization pass for GlobalISel generic memory operations.