1//===-- TargetInfo/AMDGPUTargetInfo.cpp - TargetInfo for AMDGPU -----------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9/// \file
10//
11//===----------------------------------------------------------------------===//
12
13#include "TargetInfo/AMDGPUTargetInfo.h"
14#include "llvm/MC/TargetRegistry.h"
15#include "llvm/Support/Compiler.h"
16
17using namespace llvm;
18
19/// The target for R600 GPUs.
20Target &llvm::getTheR600Target() {
21 static Target TheAMDGPUTarget;
22 return TheAMDGPUTarget;
23}
24
25/// The target for GCN GPUs.
26Target &llvm::getTheGCNTarget() {
27 static Target TheGCNTarget;
28 return TheGCNTarget;
29}
30
31/// The target for GCN GPUs, registered under the legacy "amdgcn" name. This
32/// should be removed when all tool users of "amdgcn" are migrated.
33Target &llvm::getTheGCNLegacyTarget() {
34 static Target TheGCNLegacyTarget;
35 return TheGCNLegacyTarget;
36}
37
38/// Extern function to initialize the targets for the AMDGPU backend
39extern "C" LLVM_ABI LLVM_EXTERNAL_VISIBILITY void
40LLVMInitializeAMDGPUTargetInfo() {
41 RegisterTarget<Triple::r600, false> R600(getTheR600Target(), "r600",
42 "AMD GPUs HD2XXX-HD6XXX", "AMDGPU");
43 Target &GCNTgt = getTheGCNTarget();
44 RegisterTarget<Triple::amdgpu, false> GCN(GCNTgt, "amdgpu", "AMDGPU gfx6+",
45 "AMDGPU");
46
47 // Register the legacy "amdgcn" name for use with -march. It must not take
48 // possession of the Triple::amdgpu tag, so it uses a match function that
49 // never matches a triple. This hack is copied from AArch64's handling of
50 // "arm64".
51 TargetRegistry::RegisterTarget(T&: getTheGCNLegacyTarget(), Name: "amdgcn",
52 ShortDesc: "legacy name for amdgpu", BackendName: "AMDGPU",
53 ArchMatchFn: [](Triple::ArchType) { return false; });
54}
55