LLVM 24.0.0git
AMDGPUTargetStreamer.cpp
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1//===-- AMDGPUTargetStreamer.cpp - Mips Target Streamer Methods -----------===//
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// This file provides AMDGPU specific target streamer methods.
10//
11//===----------------------------------------------------------------------===//
12
14#include "AMDGPUMCExpr.h"
16#include "AMDGPUMCTargetDesc.h"
17#include "AMDGPUPTNote.h"
22#include "llvm/MC/MCAsmInfo.h"
23#include "llvm/MC/MCAssembler.h"
24#include "llvm/MC/MCContext.h"
35
36using namespace llvm;
37using namespace llvm::AMDGPU;
38
39//===----------------------------------------------------------------------===//
40// AMDGPUTargetStreamer
41//===----------------------------------------------------------------------===//
42
44 ForceGenericVersion("amdgpu-force-generic-version",
45 cl::desc("Force a specific generic_v<N> flag to be "
46 "added. For testing purposes only."),
48
50 bool ApplyFeatureString) {
51 assert(TargetID == std::nullopt && "TargetID can only be initialized once");
52 // Apply xnack/sramecc from subtarget features only in MC contexts
53 // (assembler), not in codegen where they come from module flags
55 STI, ApplyFeatureString ? STI.getFeatureString() : "");
56}
57
59 msgpack::Document HSAMetadataDoc;
60 if (!HSAMetadataDoc.fromYAML(HSAMetadataString))
61 return false;
62 return EmitHSAMetadata(HSAMetadataDoc, false);
63}
64
67
68 // clang-format off
69 switch (ElfMach) {
70 case ELF::EF_AMDGPU_MACH_R600_R600: AK = GK_R600; break;
71 case ELF::EF_AMDGPU_MACH_R600_R630: AK = GK_R630; break;
72 case ELF::EF_AMDGPU_MACH_R600_RS880: AK = GK_RS880; break;
73 case ELF::EF_AMDGPU_MACH_R600_RV670: AK = GK_RV670; break;
74 case ELF::EF_AMDGPU_MACH_R600_RV710: AK = GK_RV710; break;
75 case ELF::EF_AMDGPU_MACH_R600_RV730: AK = GK_RV730; break;
76 case ELF::EF_AMDGPU_MACH_R600_RV770: AK = GK_RV770; break;
77 case ELF::EF_AMDGPU_MACH_R600_CEDAR: AK = GK_CEDAR; break;
78 case ELF::EF_AMDGPU_MACH_R600_CYPRESS: AK = GK_CYPRESS; break;
79 case ELF::EF_AMDGPU_MACH_R600_JUNIPER: AK = GK_JUNIPER; break;
80 case ELF::EF_AMDGPU_MACH_R600_REDWOOD: AK = GK_REDWOOD; break;
81 case ELF::EF_AMDGPU_MACH_R600_SUMO: AK = GK_SUMO; break;
82 case ELF::EF_AMDGPU_MACH_R600_BARTS: AK = GK_BARTS; break;
83 case ELF::EF_AMDGPU_MACH_R600_CAICOS: AK = GK_CAICOS; break;
84 case ELF::EF_AMDGPU_MACH_R600_CAYMAN: AK = GK_CAYMAN; break;
85 case ELF::EF_AMDGPU_MACH_R600_TURKS: AK = GK_TURKS; break;
86 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX600: AK = GK_GFX600; break;
87 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX601: AK = GK_GFX601; break;
88 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX602: AK = GK_GFX602; break;
89 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX700: AK = GK_GFX700; break;
90 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX701: AK = GK_GFX701; break;
91 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX702: AK = GK_GFX702; break;
92 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX703: AK = GK_GFX703; break;
93 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX704: AK = GK_GFX704; break;
94 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX705: AK = GK_GFX705; break;
95 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX801: AK = GK_GFX801; break;
96 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX802: AK = GK_GFX802; break;
97 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX803: AK = GK_GFX803; break;
98 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX805: AK = GK_GFX805; break;
99 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX810: AK = GK_GFX810; break;
100 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX900: AK = GK_GFX900; break;
101 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX902: AK = GK_GFX902; break;
102 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX904: AK = GK_GFX904; break;
103 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX906: AK = GK_GFX906; break;
104 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX908: AK = GK_GFX908; break;
105 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX909: AK = GK_GFX909; break;
106 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX90A: AK = GK_GFX90A; break;
107 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX90C: AK = GK_GFX90C; break;
108 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX942: AK = GK_GFX942; break;
109 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX950: AK = GK_GFX950; break;
110 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1010: AK = GK_GFX1010; break;
111 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1011: AK = GK_GFX1011; break;
112 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1012: AK = GK_GFX1012; break;
113 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1013: AK = GK_GFX1013; break;
114 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1030: AK = GK_GFX1030; break;
115 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1031: AK = GK_GFX1031; break;
116 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1032: AK = GK_GFX1032; break;
117 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1033: AK = GK_GFX1033; break;
118 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1034: AK = GK_GFX1034; break;
119 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1035: AK = GK_GFX1035; break;
120 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1036: AK = GK_GFX1036; break;
121 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1100: AK = GK_GFX1100; break;
122 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1101: AK = GK_GFX1101; break;
123 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1102: AK = GK_GFX1102; break;
124 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1103: AK = GK_GFX1103; break;
125 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1150: AK = GK_GFX1150; break;
126 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1151: AK = GK_GFX1151; break;
127 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1152: AK = GK_GFX1152; break;
128 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1153: AK = GK_GFX1153; break;
129 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1154: AK = GK_GFX1154; break;
130 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1170: AK = GK_GFX1170; break;
131 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1171: AK = GK_GFX1171; break;
132 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1172: AK = GK_GFX1172; break;
133 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1200: AK = GK_GFX1200; break;
134 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1201: AK = GK_GFX1201; break;
135 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1250: AK = GK_GFX1250; break;
136 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1251: AK = GK_GFX1251; break;
137 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX1310: AK = GK_GFX1310; break;
138 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX9_GENERIC: AK = GK_GFX9_GENERIC; break;
139 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX9_4_GENERIC: AK = GK_GFX9_4_GENERIC; break;
140 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX10_1_GENERIC: AK = GK_GFX10_1_GENERIC; break;
141 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX10_3_GENERIC: AK = GK_GFX10_3_GENERIC; break;
142 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX11_GENERIC: AK = GK_GFX11_GENERIC; break;
143 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX11_7_GENERIC: AK = GK_GFX11_7_GENERIC; break;
144 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX12_GENERIC: AK = GK_GFX12_GENERIC; break;
145 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX12_5_GENERIC: AK = GK_GFX12_5_GENERIC; break;
146 case ELF::EF_AMDGPU_MACH_AMDGCN_GFX13_GENERIC: AK = GK_GFX13_GENERIC; break;
147 case ELF::EF_AMDGPU_MACH_NONE: AK = GK_NONE; break;
148 default: AK = GK_NONE; break;
149 }
150 // clang-format on
151
152 StringRef GPUName = getArchNameAMDGCN(AK);
153 if (GPUName != "")
154 return GPUName;
155 return getArchNameR600(AK);
156}
157
160 if (AK == AMDGPU::GPUKind::GK_NONE)
161 AK = parseArchR600(GPU);
162
163 // clang-format off
164 switch (AK) {
165 case GK_R600: return ELF::EF_AMDGPU_MACH_R600_R600;
166 case GK_R630: return ELF::EF_AMDGPU_MACH_R600_R630;
167 case GK_RS880: return ELF::EF_AMDGPU_MACH_R600_RS880;
168 case GK_RV670: return ELF::EF_AMDGPU_MACH_R600_RV670;
169 case GK_RV710: return ELF::EF_AMDGPU_MACH_R600_RV710;
170 case GK_RV730: return ELF::EF_AMDGPU_MACH_R600_RV730;
171 case GK_RV770: return ELF::EF_AMDGPU_MACH_R600_RV770;
172 case GK_CEDAR: return ELF::EF_AMDGPU_MACH_R600_CEDAR;
173 case GK_CYPRESS: return ELF::EF_AMDGPU_MACH_R600_CYPRESS;
174 case GK_JUNIPER: return ELF::EF_AMDGPU_MACH_R600_JUNIPER;
175 case GK_REDWOOD: return ELF::EF_AMDGPU_MACH_R600_REDWOOD;
176 case GK_SUMO: return ELF::EF_AMDGPU_MACH_R600_SUMO;
177 case GK_BARTS: return ELF::EF_AMDGPU_MACH_R600_BARTS;
178 case GK_CAICOS: return ELF::EF_AMDGPU_MACH_R600_CAICOS;
179 case GK_CAYMAN: return ELF::EF_AMDGPU_MACH_R600_CAYMAN;
180 case GK_TURKS: return ELF::EF_AMDGPU_MACH_R600_TURKS;
181 case GK_GFX600: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX600;
182 case GK_GFX601: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX601;
183 case GK_GFX602: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX602;
184 case GK_GFX700: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX700;
185 case GK_GFX701: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX701;
186 case GK_GFX702: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX702;
187 case GK_GFX703: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX703;
188 case GK_GFX704: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX704;
189 case GK_GFX705: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX705;
190 case GK_GFX801: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX801;
191 case GK_GFX802: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX802;
192 case GK_GFX803: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX803;
193 case GK_GFX805: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX805;
194 case GK_GFX810: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX810;
195 case GK_GFX900: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX900;
196 case GK_GFX902: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX902;
197 case GK_GFX904: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX904;
198 case GK_GFX906: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX906;
199 case GK_GFX908: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX908;
200 case GK_GFX909: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX909;
201 case GK_GFX90A: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX90A;
202 case GK_GFX90C: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX90C;
203 case GK_GFX942: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX942;
204 case GK_GFX950: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX950;
205 case GK_GFX1010: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1010;
206 case GK_GFX1011: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1011;
207 case GK_GFX1012: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1012;
208 case GK_GFX1013: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1013;
209 case GK_GFX1030: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1030;
210 case GK_GFX1031: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1031;
211 case GK_GFX1032: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1032;
212 case GK_GFX1033: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1033;
213 case GK_GFX1034: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1034;
214 case GK_GFX1035: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1035;
215 case GK_GFX1036: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1036;
216 case GK_GFX1100: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1100;
217 case GK_GFX1101: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1101;
218 case GK_GFX1102: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1102;
219 case GK_GFX1103: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1103;
220 case GK_GFX1150: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1150;
221 case GK_GFX1151: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1151;
222 case GK_GFX1152: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1152;
223 case GK_GFX1153: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1153;
224 case GK_GFX1154: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1154;
225 case GK_GFX1170: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1170;
226 case GK_GFX1171: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1171;
227 case GK_GFX1172: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1172;
228 case GK_GFX1200: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1200;
229 case GK_GFX1201: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1201;
230 case GK_GFX1250: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1250;
231 case GK_GFX1251: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1251;
232 case GK_GFX1310: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX1310;
233 case GK_GFX9_GENERIC: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX9_GENERIC;
234 case GK_GFX9_4_GENERIC: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX9_4_GENERIC;
235 case GK_GFX10_1_GENERIC: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX10_1_GENERIC;
236 case GK_GFX10_3_GENERIC: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX10_3_GENERIC;
237 case GK_GFX11_GENERIC: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX11_GENERIC;
238 case GK_GFX11_7_GENERIC: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX11_7_GENERIC;
239 case GK_GFX12_GENERIC: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX12_GENERIC;
240 case GK_GFX12_5_GENERIC: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX12_5_GENERIC;
241 case GK_GFX13_GENERIC: return ELF::EF_AMDGPU_MACH_AMDGCN_GFX13_GENERIC;
243 }
244 // clang-format on
245
246 llvm_unreachable("unknown GPU");
247}
248
249//===----------------------------------------------------------------------===//
250// AMDGPUTargetAsmStreamer
251//===----------------------------------------------------------------------===//
252
256
257// A hook for emitting stuff at the end.
258// We use it for emitting the accumulated PAL metadata as directives.
259// The PAL metadata is reset after it is emitted.
261 std::string S;
263 OS << S;
264
265 // Reset the pal metadata so its data will not affect a compilation that
266 // reuses this object.
268}
269
271 OS << "\t.amdgcn_target \"" << *getTargetID() << "\"\n";
272}
273
275 unsigned COV) {
277 OS << "\t.amdhsa_code_object_version " << COV << '\n';
278}
279
281 auto FoldAndPrint = [&](const MCExpr *Expr, raw_ostream &OS,
282 const MCAsmInfo *MAI) {
284 };
285
286 OS << "\t.amd_kernel_code_t\n";
287 Header.EmitKernelCodeT(OS, getContext(), FoldAndPrint);
288 OS << "\t.end_amd_kernel_code_t\n";
289}
290
292 unsigned Type) {
293 switch (Type) {
294 default:
295 llvm_unreachable("Invalid AMDGPU symbol type");
297 OS << "\t.amdgpu_hsa_kernel " << SymbolName << '\n';
298 break;
299 }
300}
301
303 Align Alignment) {
304 OS << "\t.amdgpu_lds " << Symbol->getName() << ", " << Size << ", "
305 << Alignment.value() << '\n';
306}
307
309 const MCSymbol *NumVGPR, const MCSymbol *NumAGPR,
310 const MCSymbol *NumExplicitSGPR, const MCSymbol *NumNamedBarrier,
311 const MCSymbol *PrivateSegmentSize, const MCSymbol *UsesVCC,
312 const MCSymbol *UsesFlatScratch, const MCSymbol *HasDynamicallySizedStack,
313 const MCSymbol *HasRecursion, const MCSymbol *HasIndirectCall) {
314#define PRINT_RES_INFO(ARG) \
315 OS << "\t.set "; \
316 ARG->print(OS, &getContext().getAsmInfo()); \
317 OS << ", "; \
318 getContext().getAsmInfo().printExpr(OS, *ARG->getVariableValue()); \
319 Streamer.addBlankLine();
320
321 PRINT_RES_INFO(NumVGPR);
322 PRINT_RES_INFO(NumAGPR);
323 PRINT_RES_INFO(NumExplicitSGPR);
324 PRINT_RES_INFO(NumNamedBarrier);
325 PRINT_RES_INFO(PrivateSegmentSize);
326 PRINT_RES_INFO(UsesVCC);
327 PRINT_RES_INFO(UsesFlatScratch);
328 PRINT_RES_INFO(HasDynamicallySizedStack);
329 PRINT_RES_INFO(HasRecursion);
330 PRINT_RES_INFO(HasIndirectCall);
331#undef PRINT_RES_INFO
332}
333
335 const MCSymbol *MaxVGPR, const MCSymbol *MaxAGPR, const MCSymbol *MaxSGPR,
336 const MCSymbol *MaxNamedBarrier) {
337#define PRINT_RES_INFO(ARG) \
338 OS << "\t.set "; \
339 ARG->print(OS, &getContext().getAsmInfo()); \
340 OS << ", "; \
341 getContext().getAsmInfo().printExpr(OS, *ARG->getVariableValue()); \
342 Streamer.addBlankLine();
343
344 PRINT_RES_INFO(MaxVGPR);
345 PRINT_RES_INFO(MaxAGPR);
346 PRINT_RES_INFO(MaxSGPR);
347 PRINT_RES_INFO(MaxNamedBarrier);
348#undef PRINT_RES_INFO
349}
350
352 OS << "\t.amd_amdgpu_isa \"" << getTargetID() << "\"\n";
353 return true;
354}
355
357 bool Strict) {
359 if (!Verifier.verify(HSAMetadataDoc.getRoot()))
360 return false;
361
362 std::string HSAMetadataString;
363 raw_string_ostream StrOS(HSAMetadataString);
364 HSAMetadataDoc.toYAML(StrOS);
365
366 OS << '\t' << HSAMD::V3::AssemblerDirectiveBegin << '\n';
367 OS << StrOS.str() << '\n';
368 OS << '\t' << HSAMD::V3::AssemblerDirectiveEnd << '\n';
369 return true;
370}
371
373 const uint32_t Encoded_s_code_end = 0xbf9f0000;
374 const uint32_t Encoded_s_nop = 0xbf800000;
375 uint32_t Encoded_pad = Encoded_s_code_end;
376
377 // Instruction cache line size in bytes.
378 const unsigned Log2CacheLineSize = AMDGPU::isGFX11Plus(STI) ? 7 : 6;
379 const unsigned CacheLineSize = 1u << Log2CacheLineSize;
380
381 // Extra padding amount in bytes to support prefetch mode 3.
382 unsigned FillSize = 3 * CacheLineSize;
383
384 if (AMDGPU::isGFX90A(STI)) {
385 Encoded_pad = Encoded_s_nop;
386 FillSize = 16 * CacheLineSize;
387 }
388
389 OS << "\t.p2alignl " << Log2CacheLineSize << ", " << Encoded_pad << '\n';
390 OS << "\t.fill " << (FillSize / 4) << ", 4, " << Encoded_pad << '\n';
391 return true;
392}
393
395 const MCSubtargetInfo &STI, StringRef KernelName,
396 const MCKernelDescriptor &KD, const MCExpr *NextVGPR,
397 const MCExpr *NextSGPR, const MCExpr *ReserveVCC,
398 const MCExpr *ReserveFlatScr) {
399 IsaVersion IVersion = getIsaVersion(STI.getCPU());
400 const MCAsmInfo &MAI = getContext().getAsmInfo();
401
402 OS << "\t.amdhsa_kernel " << KernelName << '\n';
403
404 auto PrintField = [&](const MCExpr *Expr, uint32_t Shift, uint32_t Mask,
406 OS << "\t\t" << Directive << ' ';
407 const MCExpr *ShiftedAndMaskedExpr =
408 MCKernelDescriptor::bits_get(Expr, Shift, Mask, getContext());
409 const MCExpr *New = foldAMDGPUMCExpr(ShiftedAndMaskedExpr, getContext());
410 printAMDGPUMCExpr(New, OS, &MAI);
411 OS << '\n';
412 };
413
414 auto EmitMCExpr = [&](const MCExpr *Value) {
416 printAMDGPUMCExpr(NewExpr, OS, &MAI);
417 };
418
419 OS << "\t\t.amdhsa_group_segment_fixed_size ";
420 EmitMCExpr(KD.group_segment_fixed_size);
421 OS << '\n';
422
423 OS << "\t\t.amdhsa_private_segment_fixed_size ";
424 EmitMCExpr(KD.private_segment_fixed_size);
425 OS << '\n';
426
427 OS << "\t\t.amdhsa_kernarg_size ";
428 EmitMCExpr(KD.kernarg_size);
429 OS << '\n';
430
431 if (isGFX1250Plus(STI)) {
433 amdhsa::COMPUTE_PGM_RSRC2_GFX125_USER_SGPR_COUNT_SHIFT,
434 amdhsa::COMPUTE_PGM_RSRC2_GFX125_USER_SGPR_COUNT,
435 ".amdhsa_user_sgpr_count");
436 } else {
438 amdhsa::COMPUTE_PGM_RSRC2_GFX6_GFX120_USER_SGPR_COUNT_SHIFT,
439 amdhsa::COMPUTE_PGM_RSRC2_GFX6_GFX120_USER_SGPR_COUNT,
440 ".amdhsa_user_sgpr_count");
441 }
442
446 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_BUFFER_SHIFT,
447 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_BUFFER,
448 ".amdhsa_user_sgpr_private_segment_buffer");
450 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_PTR_SHIFT,
451 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_PTR,
452 ".amdhsa_user_sgpr_dispatch_ptr");
454 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_QUEUE_PTR_SHIFT,
455 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_QUEUE_PTR,
456 ".amdhsa_user_sgpr_queue_ptr");
458 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_KERNARG_SEGMENT_PTR_SHIFT,
459 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_KERNARG_SEGMENT_PTR,
460 ".amdhsa_user_sgpr_kernarg_segment_ptr");
462 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_ID_SHIFT,
463 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_ID,
464 ".amdhsa_user_sgpr_dispatch_id");
467 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_FLAT_SCRATCH_INIT_SHIFT,
468 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_FLAT_SCRATCH_INIT,
469 ".amdhsa_user_sgpr_flat_scratch_init");
470 if (hasKernargPreload(STI)) {
471 PrintField(KD.kernarg_preload, amdhsa::KERNARG_PRELOAD_SPEC_LENGTH_SHIFT,
472 amdhsa::KERNARG_PRELOAD_SPEC_LENGTH,
473 ".amdhsa_user_sgpr_kernarg_preload_length");
474 PrintField(KD.kernarg_preload, amdhsa::KERNARG_PRELOAD_SPEC_OFFSET_SHIFT,
475 amdhsa::KERNARG_PRELOAD_SPEC_OFFSET,
476 ".amdhsa_user_sgpr_kernarg_preload_offset");
477 }
480 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_SIZE_SHIFT,
481 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_SIZE,
482 ".amdhsa_user_sgpr_private_segment_size");
483 if (IVersion.Major >= 10)
485 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_WAVEFRONT_SIZE32_SHIFT,
486 amdhsa::KERNEL_CODE_PROPERTY_ENABLE_WAVEFRONT_SIZE32,
487 ".amdhsa_wavefront_size32");
490 amdhsa::KERNEL_CODE_PROPERTY_USES_DYNAMIC_STACK_SHIFT,
491 amdhsa::KERNEL_CODE_PROPERTY_USES_DYNAMIC_STACK,
492 ".amdhsa_uses_dynamic_stack");
494 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_PRIVATE_SEGMENT_SHIFT,
495 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_PRIVATE_SEGMENT,
497 ? ".amdhsa_enable_private_segment"
498 : ".amdhsa_system_sgpr_private_segment_wavefront_offset"));
500 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_SGPR_WORKGROUP_ID_X_SHIFT,
501 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_SGPR_WORKGROUP_ID_X,
502 ".amdhsa_system_sgpr_workgroup_id_x");
504 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_SGPR_WORKGROUP_ID_Y_SHIFT,
505 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_SGPR_WORKGROUP_ID_Y,
506 ".amdhsa_system_sgpr_workgroup_id_y");
508 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_SGPR_WORKGROUP_ID_Z_SHIFT,
509 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_SGPR_WORKGROUP_ID_Z,
510 ".amdhsa_system_sgpr_workgroup_id_z");
512 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_SGPR_WORKGROUP_INFO_SHIFT,
513 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_SGPR_WORKGROUP_INFO,
514 ".amdhsa_system_sgpr_workgroup_info");
516 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_VGPR_WORKITEM_ID_SHIFT,
517 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_VGPR_WORKITEM_ID,
518 ".amdhsa_system_vgpr_workitem_id");
519
520 // These directives are required.
521 OS << "\t\t.amdhsa_next_free_vgpr ";
522 EmitMCExpr(NextVGPR);
523 OS << '\n';
524
525 OS << "\t\t.amdhsa_next_free_sgpr ";
526 EmitMCExpr(NextSGPR);
527 OS << '\n';
528
529 if (AMDGPU::isGFX90A(STI)) {
530 // MCExpr equivalent of taking the (accum_offset + 1) * 4.
531 const MCExpr *accum_bits = MCKernelDescriptor::bits_get(
533 amdhsa::COMPUTE_PGM_RSRC3_GFX90A_ACCUM_OFFSET_SHIFT,
534 amdhsa::COMPUTE_PGM_RSRC3_GFX90A_ACCUM_OFFSET, getContext());
535 accum_bits = MCBinaryExpr::createAdd(
536 accum_bits, MCConstantExpr::create(1, getContext()), getContext());
537 accum_bits = MCBinaryExpr::createMul(
538 accum_bits, MCConstantExpr::create(4, getContext()), getContext());
539 OS << "\t\t.amdhsa_accum_offset ";
540 const MCExpr *New = foldAMDGPUMCExpr(accum_bits, getContext());
541 printAMDGPUMCExpr(New, OS, &MAI);
542 OS << '\n';
543 }
544
545 if (isGFX1250Plus(STI))
547 amdhsa::COMPUTE_PGM_RSRC3_GFX125_NAMED_BAR_CNT_SHIFT,
548 amdhsa::COMPUTE_PGM_RSRC3_GFX125_NAMED_BAR_CNT,
549 ".amdhsa_named_barrier_count");
550
551 OS << "\t\t.amdhsa_reserve_vcc ";
552 EmitMCExpr(ReserveVCC);
553 OS << '\n';
554
555 if (IVersion.Major >= 7 && !hasArchitectedFlatScratch(STI)) {
556 OS << "\t\t.amdhsa_reserve_flat_scratch ";
557 EmitMCExpr(ReserveFlatScr);
558 OS << '\n';
559 }
560
561 switch (CodeObjectVersion) {
562 default:
563 break;
566 if (STI.hasFeature(AMDGPU::FeatureSupportsXNACK)) {
567 bool XnackOn = getTargetID()->isXnackOnOrAny() ||
568 STI.hasFeature(AMDGPU::FeatureXNACK);
569 OS << "\t\t.amdhsa_reserve_xnack_mask " << XnackOn << '\n';
570 }
571 break;
572 }
573
575 amdhsa::COMPUTE_PGM_RSRC1_FLOAT_ROUND_MODE_32_SHIFT,
576 amdhsa::COMPUTE_PGM_RSRC1_FLOAT_ROUND_MODE_32,
577 ".amdhsa_float_round_mode_32");
579 amdhsa::COMPUTE_PGM_RSRC1_FLOAT_ROUND_MODE_16_64_SHIFT,
580 amdhsa::COMPUTE_PGM_RSRC1_FLOAT_ROUND_MODE_16_64,
581 ".amdhsa_float_round_mode_16_64");
583 amdhsa::COMPUTE_PGM_RSRC1_FLOAT_DENORM_MODE_32_SHIFT,
584 amdhsa::COMPUTE_PGM_RSRC1_FLOAT_DENORM_MODE_32,
585 ".amdhsa_float_denorm_mode_32");
587 amdhsa::COMPUTE_PGM_RSRC1_FLOAT_DENORM_MODE_16_64_SHIFT,
588 amdhsa::COMPUTE_PGM_RSRC1_FLOAT_DENORM_MODE_16_64,
589 ".amdhsa_float_denorm_mode_16_64");
590 if (STI.hasFeature(AMDGPU::FeatureDX10ClampAndIEEEMode)) {
592 amdhsa::COMPUTE_PGM_RSRC1_GFX6_GFX11_ENABLE_DX10_CLAMP_SHIFT,
593 amdhsa::COMPUTE_PGM_RSRC1_GFX6_GFX11_ENABLE_DX10_CLAMP,
594 ".amdhsa_dx10_clamp");
596 amdhsa::COMPUTE_PGM_RSRC1_GFX6_GFX11_ENABLE_IEEE_MODE_SHIFT,
597 amdhsa::COMPUTE_PGM_RSRC1_GFX6_GFX11_ENABLE_IEEE_MODE,
598 ".amdhsa_ieee_mode");
599 }
600 if (IVersion.Major >= 9) {
602 amdhsa::COMPUTE_PGM_RSRC1_GFX9_PLUS_FP16_OVFL_SHIFT,
603 amdhsa::COMPUTE_PGM_RSRC1_GFX9_PLUS_FP16_OVFL,
604 ".amdhsa_fp16_overflow");
605 }
606 if (AMDGPU::isGFX90A(STI))
608 amdhsa::COMPUTE_PGM_RSRC3_GFX90A_TG_SPLIT_SHIFT,
609 amdhsa::COMPUTE_PGM_RSRC3_GFX90A_TG_SPLIT, ".amdhsa_tg_split");
610 if (AMDGPU::supportsWGP(STI))
612 amdhsa::COMPUTE_PGM_RSRC1_GFX10_PLUS_WGP_MODE_SHIFT,
613 amdhsa::COMPUTE_PGM_RSRC1_GFX10_PLUS_WGP_MODE,
614 ".amdhsa_workgroup_processor_mode");
615 if (IVersion.Major >= 10) {
617 amdhsa::COMPUTE_PGM_RSRC1_GFX10_PLUS_MEM_ORDERED_SHIFT,
618 amdhsa::COMPUTE_PGM_RSRC1_GFX10_PLUS_MEM_ORDERED,
619 ".amdhsa_memory_ordered");
621 amdhsa::COMPUTE_PGM_RSRC1_GFX10_PLUS_FWD_PROGRESS_SHIFT,
622 amdhsa::COMPUTE_PGM_RSRC1_GFX10_PLUS_FWD_PROGRESS,
623 ".amdhsa_forward_progress");
624 }
625 if (IVersion.Major >= 10 && IVersion.Major < 12) {
627 amdhsa::COMPUTE_PGM_RSRC3_GFX10_GFX11_SHARED_VGPR_COUNT_SHIFT,
628 amdhsa::COMPUTE_PGM_RSRC3_GFX10_GFX11_SHARED_VGPR_COUNT,
629 ".amdhsa_shared_vgpr_count");
630 }
631 if (IVersion.Major == 11) {
633 amdhsa::COMPUTE_PGM_RSRC3_GFX11_INST_PREF_SIZE_SHIFT,
634 amdhsa::COMPUTE_PGM_RSRC3_GFX11_INST_PREF_SIZE,
635 ".amdhsa_inst_pref_size");
636 }
637 if (IVersion.Major >= 12) {
639 amdhsa::COMPUTE_PGM_RSRC3_GFX12_PLUS_INST_PREF_SIZE_SHIFT,
640 amdhsa::COMPUTE_PGM_RSRC3_GFX12_PLUS_INST_PREF_SIZE,
641 ".amdhsa_inst_pref_size");
643 amdhsa::COMPUTE_PGM_RSRC1_GFX12_PLUS_ENABLE_WG_RR_EN_SHIFT,
644 amdhsa::COMPUTE_PGM_RSRC1_GFX12_PLUS_ENABLE_WG_RR_EN,
645 ".amdhsa_round_robin_scheduling");
646 }
649 amdhsa::
650 COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_INVALID_OPERATION_SHIFT,
651 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_INVALID_OPERATION,
652 ".amdhsa_exception_fp_ieee_invalid_op");
655 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_FP_DENORMAL_SOURCE_SHIFT,
656 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_FP_DENORMAL_SOURCE,
657 ".amdhsa_exception_fp_denorm_src");
660 amdhsa::
661 COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_DIVISION_BY_ZERO_SHIFT,
662 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_DIVISION_BY_ZERO,
663 ".amdhsa_exception_fp_ieee_div_zero");
666 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_OVERFLOW_SHIFT,
667 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_OVERFLOW,
668 ".amdhsa_exception_fp_ieee_overflow");
671 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_UNDERFLOW_SHIFT,
672 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_UNDERFLOW,
673 ".amdhsa_exception_fp_ieee_underflow");
676 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_INEXACT_SHIFT,
677 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_IEEE_754_FP_INEXACT,
678 ".amdhsa_exception_fp_ieee_inexact");
681 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_INT_DIVIDE_BY_ZERO_SHIFT,
682 amdhsa::COMPUTE_PGM_RSRC2_ENABLE_EXCEPTION_INT_DIVIDE_BY_ZERO,
683 ".amdhsa_exception_int_div_zero");
684
685 OS << "\t.end_amdhsa_kernel\n";
686}
687
688namespace {
689/// Callback type invoked by \c forEachInfoScope for each function scope in
690/// the canonical iteration order. The scope is emitted exactly once per
691/// unique \p Sym regardless of how many flat entries reference it.
692using InfoScopeEmitter = function_ref<void(
694 ArrayRef<MCSymbol *> Calls, ArrayRef<StringRef> IndirectCallTypeIds,
695 ArrayRef<StringRef> TypeIds)>;
696
697/// Group the flat edge lists in \p Data by source function symbol and drive
698/// per-scope emission. A scope is opened for every function with attached
699/// info and for every function that appears only as an edge source; each
700/// scope is emitted exactly once. Both the asm and ELF streamers share this
701/// iteration logic and only differ in the per-scope emission callback.
702static void forEachInfoScope(const AMDGPU::InfoSectionData &Data,
703 InfoScopeEmitter Emit) {
708 for (const auto &[Func, Res] : Data.Uses)
709 FuncUses[Func].push_back(Res);
710 for (const auto &[Src, Dst] : Data.Calls)
711 FuncCalls[Src].push_back(Dst);
712 for (const auto &[Func, TypeId] : Data.IndirectCalls)
713 FuncIndirectCalls[Func].push_back(TypeId);
714 for (const auto &[Sym, TypeId] : Data.TypeIds)
715 FuncTypeIds[Sym].push_back(TypeId);
716
717 DenseSet<MCSymbol *> Emitted;
718 auto EmitIfNew = [&](MCSymbol *Sym, const AMDGPU::FuncInfo *Info) {
719 if (!Emitted.insert(Sym).second)
720 return;
722 ArrayRef<StringRef> IndirectCallTypeIds, TypeIds;
723 if (auto It = FuncUses.find(Sym); It != FuncUses.end())
724 Uses = It->second;
725 if (auto It = FuncCalls.find(Sym); It != FuncCalls.end())
726 Calls = It->second;
727 if (auto It = FuncIndirectCalls.find(Sym); It != FuncIndirectCalls.end())
728 IndirectCallTypeIds = It->second;
729 if (auto It = FuncTypeIds.find(Sym); It != FuncTypeIds.end())
730 TypeIds = It->second;
731 Emit(Sym, Info, Uses, Calls, IndirectCallTypeIds, TypeIds);
732 };
733
734 for (const AMDGPU::FuncInfo &Func : Data.Funcs)
735 EmitIfNew(Func.Sym, &Func);
736 // Emit scopes for functions that only appear as edge sources (e.g. typeid
737 // tags on address-taken declarations, or callers of external functions).
738 for (const auto &[Sym, TypeId] : Data.TypeIds)
739 EmitIfNew(Sym, nullptr);
740 for (const auto &[Sym, Res] : Data.Uses)
741 EmitIfNew(Sym, nullptr);
742 for (const auto &[Sym, Dst] : Data.Calls)
743 EmitIfNew(Sym, nullptr);
744 for (const auto &[Sym, TypeId] : Data.IndirectCalls)
745 EmitIfNew(Sym, nullptr);
746}
747} // namespace
748
751 forEachInfoScope(Data, [&](MCSymbol *Sym, const AMDGPU::FuncInfo *Info,
754 ArrayRef<StringRef> IndirectCallTypeIds,
755 ArrayRef<StringRef> TypeIds) {
756 OS << "\t.amdgpu_info " << Sym->getName() << '\n';
757 if (Info) {
758 AMDGPU::FuncInfoFlags Flags{};
759 if (Info->UsesVCC)
761 if (Info->UsesFlatScratch)
763 if (Info->HasDynStack)
765 OS << "\t\t.amdgpu_flags " << llvm::to_underlying(Flags) << '\n';
766 OS << "\t\t.amdgpu_num_sgpr " << Info->NumSGPR << '\n';
767 OS << "\t\t.amdgpu_num_vgpr " << Info->NumArchVGPR << '\n';
768 if (Info->NumAccVGPR)
769 OS << "\t\t.amdgpu_num_agpr " << Info->NumAccVGPR << '\n';
770 OS << "\t\t.amdgpu_private_segment_size " << Info->PrivateSegmentSize
771 << '\n';
772 }
773 for (MCSymbol *Res : Uses)
774 OS << "\t\t.amdgpu_use " << Res->getName() << '\n';
775 for (MCSymbol *Dst : Calls)
776 OS << "\t\t.amdgpu_call " << Dst->getName() << '\n';
777 for (StringRef TypeId : IndirectCallTypeIds)
778 OS << "\t\t.amdgpu_indirect_call \"" << TypeId << "\"\n";
779 for (StringRef TypeId : TypeIds)
780 OS << "\t\t.amdgpu_typeid \"" << TypeId << "\"\n";
781 OS << "\t.end_amdgpu_info\n\n";
782 });
783}
784
785//===----------------------------------------------------------------------===//
786// AMDGPUTargetELFStreamer
787//===----------------------------------------------------------------------===//
788
792
794 return static_cast<MCELFStreamer &>(Streamer);
795}
796
797// A hook for emitting stuff at the end.
798// We use it for emitting the accumulated PAL metadata as a .note record.
799// The PAL metadata is reset after it is emitted.
802 W.setELFHeaderEFlags(getEFlags());
803 W.setOverrideABIVersion(
804 getELFABIVersion(STI.getTargetTriple(), CodeObjectVersion));
805
806 std::string Blob;
807 const char *Vendor = getPALMetadata()->getVendor();
808 unsigned Type = getPALMetadata()->getType();
809 getPALMetadata()->toBlob(Type, Blob);
810 if (Blob.empty())
811 return;
812 EmitNote(Vendor, MCConstantExpr::create(Blob.size(), getContext()), Type,
813 [&](MCELFStreamer &OS) { OS.emitBytes(Blob); });
814
815 // Reset the pal metadata so its data will not affect a compilation that
816 // reuses this object.
818}
819
820void AMDGPUTargetELFStreamer::EmitNote(
821 StringRef Name, const MCExpr *DescSZ, unsigned NoteType,
822 function_ref<void(MCELFStreamer &)> EmitDesc) {
823 auto &S = getStreamer();
824 auto &Context = S.getContext();
825
826 auto NameSZ = Name.size() + 1;
827
828 unsigned NoteFlags = 0;
829 // TODO Apparently, this is currently needed for OpenCL as mentioned in
830 // https://reviews.llvm.org/D74995
831 if (isHsaAbi(STI))
832 NoteFlags = ELF::SHF_ALLOC;
833
834 S.pushSection();
835 S.switchSection(
836 Context.getELFSection(ElfNote::SectionName, ELF::SHT_NOTE, NoteFlags));
837 S.emitInt32(NameSZ); // namesz
838 S.emitValue(DescSZ, 4); // descz
839 S.emitInt32(NoteType); // type
840 S.emitBytes(Name); // name
841 S.emitInt8(0); // null terminator
842 S.emitValueToAlignment(Align(4), 0, 1, 0); // padding 0
843 EmitDesc(S); // desc
844 S.emitValueToAlignment(Align(4), 0, 1, 0); // padding 0
845 S.popSection();
846}
847
848unsigned AMDGPUTargetELFStreamer::getEFlags() {
849 switch (STI.getTargetTriple().getArch()) {
850 default:
851 llvm_unreachable("Unsupported Arch");
852 case Triple::r600:
853 return getEFlagsR600();
854 case Triple::amdgpu:
855 return getEFlagsAMDGCN();
856 }
857}
858
859unsigned AMDGPUTargetELFStreamer::getEFlagsR600() {
860 assert(STI.getTargetTriple().getArch() == Triple::r600);
861
862 return getElfMach(STI.getCPU());
863}
864
865unsigned AMDGPUTargetELFStreamer::getEFlagsAMDGCN() {
866 assert(STI.getTargetTriple().isAMDGCN());
867
868 switch (STI.getTargetTriple().getOS()) {
869 default:
870 // TODO: Why are some tests have "mingw" listed as OS?
871 // llvm_unreachable("Unsupported OS");
873 return getEFlagsUnknownOS();
874 case Triple::AMDHSA:
875 return getEFlagsAMDHSA();
876 case Triple::AMDPAL:
877 return getEFlagsAMDPAL();
878 case Triple::Mesa3D:
879 return getEFlagsMesa3D();
880 }
881}
882
883unsigned AMDGPUTargetELFStreamer::getEFlagsUnknownOS() {
884 // TODO: Why are some tests have "mingw" listed as OS?
885 // assert(STI.getTargetTriple().getOS() == Triple::UnknownOS);
886
887 return getEFlagsV3();
888}
889
890unsigned AMDGPUTargetELFStreamer::getEFlagsAMDHSA() {
891 assert(isHsaAbi(STI));
892
893 if (CodeObjectVersion >= 6)
894 return getEFlagsV6();
895 return getEFlagsV4();
896}
897
898unsigned AMDGPUTargetELFStreamer::getEFlagsAMDPAL() {
899 assert(STI.getTargetTriple().getOS() == Triple::AMDPAL);
900
901 return getEFlagsV3();
902}
903
904unsigned AMDGPUTargetELFStreamer::getEFlagsMesa3D() {
905 assert(STI.getTargetTriple().getOS() == Triple::Mesa3D);
906
907 return getEFlagsV3();
908}
909
910unsigned AMDGPUTargetELFStreamer::getEFlagsV3() {
911 unsigned EFlagsV3 = 0;
912
913 // mach.
914 EFlagsV3 |= getElfMach(STI.getCPU());
915
916 // xnack.
917 if (getTargetID()->isXnackOnOrAny())
919 // sramecc.
920 if (getTargetID()->isSramEccOnOrAny())
922
923 return EFlagsV3;
924}
925
926unsigned AMDGPUTargetELFStreamer::getEFlagsV4() {
927 unsigned EFlagsV4 = 0;
928
929 // mach.
930 EFlagsV4 |= getElfMach(STI.getCPU());
931
932 // xnack.
933 switch (getTargetID()->getXnackSetting()) {
934 case AMDGPU::TargetIDSetting::Unsupported:
936 break;
937 case AMDGPU::TargetIDSetting::Any:
939 break;
940 case AMDGPU::TargetIDSetting::Off:
942 break;
943 case AMDGPU::TargetIDSetting::On:
945 break;
946 }
947 // sramecc.
948 switch (getTargetID()->getSramEccSetting()) {
949 case AMDGPU::TargetIDSetting::Unsupported:
951 break;
952 case AMDGPU::TargetIDSetting::Any:
954 break;
955 case AMDGPU::TargetIDSetting::Off:
957 break;
958 case AMDGPU::TargetIDSetting::On:
960 break;
961 }
962
963 return EFlagsV4;
964}
965
966unsigned AMDGPUTargetELFStreamer::getEFlagsV6() {
967 unsigned Flags = getEFlagsV4();
968
969 unsigned Version = ForceGenericVersion;
970 if (!Version) {
971 switch (parseArchAMDGCN(STI.getCPU())) {
972 case AMDGPU::GK_GFX9_GENERIC:
974 break;
975 case AMDGPU::GK_GFX9_4_GENERIC:
977 break;
978 case AMDGPU::GK_GFX10_1_GENERIC:
980 break;
981 case AMDGPU::GK_GFX10_3_GENERIC:
983 break;
984 case AMDGPU::GK_GFX11_GENERIC:
986 break;
987 case AMDGPU::GK_GFX11_7_GENERIC:
989 break;
990 case AMDGPU::GK_GFX12_GENERIC:
992 break;
993 case AMDGPU::GK_GFX12_5_GENERIC:
995 break;
996 case AMDGPU::GK_GFX13_GENERIC:
998 break;
999 default:
1000 break;
1001 }
1002 }
1003
1004 // Versions start at 1.
1005 if (Version) {
1007 report_fatal_error("Cannot encode generic code object version " +
1008 Twine(Version) +
1009 " - no ELF flag can represent this version!");
1011 }
1012
1013 return Flags;
1014}
1015
1017
1019 MCStreamer &OS = getStreamer();
1020 OS.pushSection();
1021 Header.EmitKernelCodeT(OS, getContext());
1022 OS.popSection();
1023}
1024
1026 unsigned Type) {
1027 auto *Symbol = static_cast<MCSymbolELF *>(
1028 getStreamer().getContext().getOrCreateSymbol(SymbolName));
1029 Symbol->setType(Type);
1030}
1031
1033 Align Alignment) {
1034 auto *SymbolELF = static_cast<MCSymbolELF *>(Symbol);
1035 SymbolELF->setType(ELF::STT_OBJECT);
1036
1037 if (!SymbolELF->isBindingSet())
1038 SymbolELF->setBinding(ELF::STB_GLOBAL);
1039
1040 if (SymbolELF->declareCommon(Size, Alignment)) {
1041 report_fatal_error("Symbol: " + Symbol->getName() +
1042 " redeclared as different type");
1043 }
1044
1045 SymbolELF->setIndex(ELF::SHN_AMDGPU_LDS);
1046 SymbolELF->setSize(MCConstantExpr::create(Size, getContext()));
1047}
1048
1050 // Create two labels to mark the beginning and end of the desc field
1051 // and a MCExpr to calculate the size of the desc field.
1052 auto &Context = getContext();
1053 auto *DescBegin = Context.createTempSymbol();
1054 auto *DescEnd = Context.createTempSymbol();
1055 auto *DescSZ = MCBinaryExpr::createSub(
1056 MCSymbolRefExpr::create(DescEnd, Context),
1057 MCSymbolRefExpr::create(DescBegin, Context), Context);
1058
1060 [&](MCELFStreamer &OS) {
1061 OS.emitLabel(DescBegin);
1062
1063 SmallString<32> Str;
1064 raw_svector_ostream StrOS(Str);
1065 StrOS << *getTargetID();
1066
1067 OS.emitBytes(StrOS.str());
1068 OS.emitLabel(DescEnd);
1069 });
1070 return true;
1071}
1072
1074 bool Strict) {
1076 if (!Verifier.verify(HSAMetadataDoc.getRoot()))
1077 return false;
1078
1079 std::string HSAMetadataString;
1080 HSAMetadataDoc.writeToBlob(HSAMetadataString);
1081
1082 // Create two labels to mark the beginning and end of the desc field
1083 // and a MCExpr to calculate the size of the desc field.
1084 auto &Context = getContext();
1085 auto *DescBegin = Context.createTempSymbol();
1086 auto *DescEnd = Context.createTempSymbol();
1087 auto *DescSZ = MCBinaryExpr::createSub(
1088 MCSymbolRefExpr::create(DescEnd, Context),
1089 MCSymbolRefExpr::create(DescBegin, Context), Context);
1090
1092 [&](MCELFStreamer &OS) {
1093 OS.emitLabel(DescBegin);
1094 OS.emitBytes(HSAMetadataString);
1095 OS.emitLabel(DescEnd);
1096 });
1097 return true;
1098}
1099
1101 const uint32_t Encoded_s_code_end = 0xbf9f0000;
1102 const uint32_t Encoded_s_nop = 0xbf800000;
1103 uint32_t Encoded_pad = Encoded_s_code_end;
1104
1105 // Instruction cache line size in bytes.
1106 const unsigned Log2CacheLineSize = AMDGPU::isGFX11Plus(STI) ? 7 : 6;
1107 const unsigned CacheLineSize = 1u << Log2CacheLineSize;
1108
1109 // Extra padding amount in bytes to support prefetch mode 3.
1110 unsigned FillSize = 3 * CacheLineSize;
1111
1112 if (AMDGPU::isGFX90A(STI)) {
1113 Encoded_pad = Encoded_s_nop;
1114 FillSize = 16 * CacheLineSize;
1115 }
1116
1117 MCStreamer &OS = getStreamer();
1118 OS.pushSection();
1119 OS.emitValueToAlignment(Align(CacheLineSize), Encoded_pad, 4);
1120 for (unsigned I = 0; I < FillSize; I += 4)
1121 OS.emitInt32(Encoded_pad);
1122 OS.popSection();
1123 return true;
1124}
1125
1127 const MCSubtargetInfo &STI, StringRef KernelName,
1128 const MCKernelDescriptor &KernelDescriptor, const MCExpr *NextVGPR,
1129 const MCExpr *NextSGPR, const MCExpr *ReserveVCC,
1130 const MCExpr *ReserveFlatScr) {
1131 auto &Streamer = getStreamer();
1132 auto &Context = Streamer.getContext();
1133
1134 auto *KernelCodeSymbol =
1135 static_cast<MCSymbolELF *>(Context.getOrCreateSymbol(Twine(KernelName)));
1136 auto *KernelDescriptorSymbol = static_cast<MCSymbolELF *>(
1137 Context.getOrCreateSymbol(Twine(KernelName) + Twine(".kd")));
1138
1139 // Copy kernel descriptor symbol's binding, other and visibility from the
1140 // kernel code symbol.
1141 KernelDescriptorSymbol->setBinding(KernelCodeSymbol->getBinding());
1142 KernelDescriptorSymbol->setOther(KernelCodeSymbol->getOther());
1143 KernelDescriptorSymbol->setVisibility(KernelCodeSymbol->getVisibility());
1144 // Kernel descriptor symbol's type and size are fixed.
1145 KernelDescriptorSymbol->setType(ELF::STT_OBJECT);
1146 KernelDescriptorSymbol->setSize(
1148
1149 // The visibility of the kernel code symbol must be protected or less to allow
1150 // static relocations from the kernel descriptor to be used.
1151 if (KernelCodeSymbol->getVisibility() == ELF::STV_DEFAULT)
1152 KernelCodeSymbol->setVisibility(ELF::STV_PROTECTED);
1153
1154 Streamer.emitLabel(KernelDescriptorSymbol);
1155 Streamer.emitValue(
1156 KernelDescriptor.group_segment_fixed_size,
1158 Streamer.emitValue(
1159 KernelDescriptor.private_segment_fixed_size,
1161 Streamer.emitValue(KernelDescriptor.kernarg_size,
1163
1164 for (uint32_t i = 0; i < sizeof(amdhsa::kernel_descriptor_t::reserved0); ++i)
1165 Streamer.emitInt8(0u);
1166
1167 // FIXME: Remove the use of VK_AMDGPU_REL64 in the expression below. The
1168 // expression being created is:
1169 // (start of kernel code) - (start of kernel descriptor)
1170 // It implies R_AMDGPU_REL64, but ends up being R_AMDGPU_ABS64.
1171 Streamer.emitValue(
1174 Context),
1175 MCSymbolRefExpr::create(KernelDescriptorSymbol, Context), Context),
1177 for (uint32_t i = 0; i < sizeof(amdhsa::kernel_descriptor_t::reserved1); ++i)
1178 Streamer.emitInt8(0u);
1179 Streamer.emitValue(KernelDescriptor.compute_pgm_rsrc3,
1181 Streamer.emitValue(KernelDescriptor.compute_pgm_rsrc1,
1183 Streamer.emitValue(KernelDescriptor.compute_pgm_rsrc2,
1185 Streamer.emitValue(
1186 KernelDescriptor.kernel_code_properties,
1188 Streamer.emitValue(KernelDescriptor.kernarg_preload,
1190 for (uint32_t i = 0; i < sizeof(amdhsa::kernel_descriptor_t::reserved3); ++i)
1191 Streamer.emitInt8(0u);
1192}
1193
1197 MCContext &Context = S.getContext();
1198
1200 auto getOrAddString = [&](StringRef Str) -> uint32_t {
1201 if (Str.empty())
1202 return UINT32_MAX;
1203 return StrTab.add(Str);
1204 };
1205
1206 auto EmitU32Entry = [&](AMDGPU::InfoKind Kind, uint32_t Val) {
1207 S.emitInt8(static_cast<uint8_t>(Kind));
1208 S.emitInt8(4);
1209 S.emitInt32(Val);
1210 };
1211 auto EmitSymEntry = [&](AMDGPU::InfoKind Kind, MCSymbol *Sym) {
1212 S.emitInt8(static_cast<uint8_t>(Kind));
1213 S.emitInt8(8);
1214 S.emitValue(MCSymbolRefExpr::create(Sym, Context), 8);
1215 };
1216
1217 S.pushSection();
1218 MCSectionELF *InfoSec = Context.getELFSection(
1219 ".amdgpu.info", ELF::SHT_PROGBITS, ELF::SHF_EXCLUDE);
1220 S.switchSection(InfoSec);
1221
1222 forEachInfoScope(Data, [&](MCSymbol *Sym, const AMDGPU::FuncInfo *Info,
1225 ArrayRef<StringRef> IndirectCallTypeIds,
1226 ArrayRef<StringRef> TypeIds) {
1227 EmitSymEntry(AMDGPU::InfoKind::INFO_FUNC, Sym);
1228
1229 if (Info) {
1230 AMDGPU::FuncInfoFlags Flags{};
1231 if (Info->UsesVCC)
1233 if (Info->UsesFlatScratch)
1235 if (Info->HasDynStack)
1238 EmitU32Entry(AMDGPU::InfoKind::INFO_NUM_SGPR, Info->NumSGPR);
1239 EmitU32Entry(AMDGPU::InfoKind::INFO_NUM_VGPR, Info->NumArchVGPR);
1240 // INFO_NUM_AGPR is only emitted when the function actually uses AGPRs,
1241 // since AGPRs are not available on all architectures.
1242 if (Info->NumAccVGPR)
1243 EmitU32Entry(AMDGPU::InfoKind::INFO_NUM_AGPR, Info->NumAccVGPR);
1245 Info->PrivateSegmentSize);
1246 }
1247
1248 for (MCSymbol *Res : Uses)
1249 EmitSymEntry(AMDGPU::InfoKind::INFO_USE, Res);
1250 for (MCSymbol *Dst : Calls)
1251 EmitSymEntry(AMDGPU::InfoKind::INFO_CALL, Dst);
1252 for (StringRef TypeId : IndirectCallTypeIds) {
1254 getOrAddString(TypeId));
1255 }
1256 for (StringRef TypeId : TypeIds)
1257 EmitU32Entry(AMDGPU::InfoKind::INFO_TYPEID, getOrAddString(TypeId));
1258 });
1259
1260 if (!StrTab.empty()) {
1261 StrTab.finalizeInOrder();
1262 MCSectionELF *Sec = Context.getELFSection(".amdgpu.strtab", ELF::SHT_STRTAB,
1264 S.switchSection(Sec);
1265 SmallString<128> Buf;
1266 raw_svector_ostream OS(Buf);
1267 StrTab.write(OS);
1268 S.emitBytes(Buf);
1269 }
1270
1271 S.popSection();
1272}
assert(UImm &&(UImm !=~static_cast< T >(0)) &&"Invalid immediate!")
AMDHSA kernel descriptor MCExpr struct for use in MC layer.
Provides AMDGPU specific target descriptions.
This is a verifier for AMDGPU HSA metadata, which can verify both well-typed metadata and untyped met...
AMDGPU metadata definitions and in-memory representations.
Enums shared between the AMDGPU backend (LLVM) and the ELF linker (LLD) for the .amdgpu....
Enums and constants for AMDGPU PT_NOTE sections.
static cl::opt< unsigned > ForceGenericVersion("amdgpu-force-generic-version", cl::desc("Force a specific generic_v<N> flag to be " "added. For testing purposes only."), cl::ReallyHidden, cl::init(0))
#define PRINT_RES_INFO(ARG)
AMDHSA kernel descriptor definitions.
MC layer struct for AMDGPUMCKernelCodeT, provides MCExpr functionality where required.
#define I(x, y, z)
Definition MD5.cpp:57
Remove Loads Into Fake Uses
verify safepoint Safepoint IR Verifier
static cl::opt< unsigned > CacheLineSize("cache-line-size", cl::init(0), cl::Hidden, cl::desc("Use this to override the target cache line size when " "specified by the user."))
const char * getVendor() const
void toBlob(unsigned Type, std::string &S)
void toString(std::string &S)
void emitAMDGPUInfo(const AMDGPU::InfoSectionData &Data) override
AMDGPUTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS)
bool EmitHSAMetadata(msgpack::Document &HSAMetadata, bool Strict) override
void EmitAMDGPUSymbolType(StringRef SymbolName, unsigned Type) override
void EmitDirectiveAMDHSACodeObjectVersion(unsigned COV) override
void EmitMCResourceMaximums(const MCSymbol *MaxVGPR, const MCSymbol *MaxAGPR, const MCSymbol *MaxSGPR, const MCSymbol *MaxNamedBarrier) override
void EmitAMDKernelCodeT(AMDGPU::AMDGPUMCKernelCodeT &Header) override
void EmitAmdhsaKernelDescriptor(const MCSubtargetInfo &STI, StringRef KernelName, const AMDGPU::MCKernelDescriptor &KernelDescriptor, const MCExpr *NextVGPR, const MCExpr *NextSGPR, const MCExpr *ReserveVCC, const MCExpr *ReserveFlatScr) override
void EmitMCResourceInfo(const MCSymbol *NumVGPR, const MCSymbol *NumAGPR, const MCSymbol *NumExplicitSGPR, const MCSymbol *NumNamedBarrier, const MCSymbol *PrivateSegmentSize, const MCSymbol *UsesVCC, const MCSymbol *UsesFlatScratch, const MCSymbol *HasDynamicallySizedStack, const MCSymbol *HasRecursion, const MCSymbol *HasIndirectCall) override
bool EmitCodeEnd(const MCSubtargetInfo &STI) override
void emitAMDGPULDS(MCSymbol *Sym, unsigned Size, Align Alignment) override
bool EmitCodeEnd(const MCSubtargetInfo &STI) override
void EmitAMDKernelCodeT(AMDGPU::AMDGPUMCKernelCodeT &Header) override
bool EmitHSAMetadata(msgpack::Document &HSAMetadata, bool Strict) override
AMDGPUTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI)
void emitAMDGPULDS(MCSymbol *Sym, unsigned Size, Align Alignment) override
void EmitAmdhsaKernelDescriptor(const MCSubtargetInfo &STI, StringRef KernelName, const AMDGPU::MCKernelDescriptor &KernelDescriptor, const MCExpr *NextVGPR, const MCExpr *NextSGPR, const MCExpr *ReserveVCC, const MCExpr *ReserveFlatScr) override
void EmitAMDGPUSymbolType(StringRef SymbolName, unsigned Type) override
void emitAMDGPUInfo(const AMDGPU::InfoSectionData &Data) override
virtual bool EmitHSAMetadata(msgpack::Document &HSAMetadata, bool Strict)
Emit HSA Metadata.
AMDGPUPALMetadata * getPALMetadata()
void initializeTargetID(const MCSubtargetInfo &STI, bool ApplyFeatureString=false)
virtual void EmitDirectiveAMDHSACodeObjectVersion(unsigned COV)
virtual bool EmitHSAMetadataV3(StringRef HSAMetadataString)
static unsigned getElfMach(StringRef GPU)
const std::optional< AMDGPU::TargetID > & getTargetID() const
std::optional< AMDGPU::TargetID > TargetID
static StringRef getArchNameFromElfMach(unsigned ElfMach)
Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition ArrayRef.h:40
iterator find(const_arg_type_t< KeyT > Val)
Definition DenseMap.h:223
iterator end()
Definition DenseMap.h:141
Implements a dense probed hash-table based set.
Definition DenseSet.h:281
This class is intended to be used as a base class for asm properties and features specific to the tar...
Definition MCAsmInfo.h:66
static const MCBinaryExpr * createAdd(const MCExpr *LHS, const MCExpr *RHS, MCContext &Ctx, SMLoc Loc=SMLoc())
Definition MCExpr.h:342
static const MCBinaryExpr * createMul(const MCExpr *LHS, const MCExpr *RHS, MCContext &Ctx)
Definition MCExpr.h:397
static const MCBinaryExpr * createSub(const MCExpr *LHS, const MCExpr *RHS, MCContext &Ctx)
Definition MCExpr.h:427
static LLVM_ABI const MCConstantExpr * create(int64_t Value, MCContext &Ctx, bool PrintInHex=false, unsigned SizeInBytes=0)
Definition MCExpr.cpp:212
Context object for machine code objects.
Definition MCContext.h:83
LLVM_ABI MCSymbol * getOrCreateSymbol(const Twine &Name)
Lookup the symbol inside with the specified Name.
const MCAsmInfo & getAsmInfo() const
Definition MCContext.h:409
ELFObjectWriter & getWriter()
void emitLabel(MCSymbol *Symbol, SMLoc Loc=SMLoc()) override
Emit a label for Symbol into the current section.
Base class for the full range of assembler expressions which are needed for parsing.
Definition MCExpr.h:34
void emitBytes(StringRef Data) override
Emit the bytes in Data into the output.
This represents a section on linux, lots of unix variants and some bare metal systems.
Streaming machine code generation interface.
Definition MCStreamer.h:222
virtual bool popSection()
Restore the current and previous section from the section stack.
MCContext & getContext() const
Definition MCStreamer.h:326
void emitValue(const MCExpr *Value, unsigned Size, SMLoc Loc=SMLoc())
virtual void emitValueToAlignment(Align Alignment, int64_t Fill=0, uint8_t FillLen=1, unsigned MaxBytesToEmit=0)
Emit some number of copies of Value until the byte alignment ByteAlignment is reached.
void pushSection()
Save the current and previous section on the section stack.
Definition MCStreamer.h:460
virtual void switchSection(MCSection *Section, uint32_t Subsec=0)
Set the current section where code is being emitted to Section.
void emitInt32(uint64_t Value)
Definition MCStreamer.h:767
void emitInt8(uint64_t Value)
Definition MCStreamer.h:765
Generic base class for all target subtargets.
bool hasFeature(unsigned Feature) const
StringRef getFeatureString() const
const Triple & getTargetTriple() const
StringRef getCPU() const
LLVM_ABI void setBinding(unsigned Binding) const
LLVM_ABI void setType(unsigned Type) const
static const MCSymbolRefExpr * create(const MCSymbol *Symbol, MCContext &Ctx, SMLoc Loc=SMLoc())
Definition MCExpr.h:213
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition MCSymbol.h:42
StringRef getName() const
getName - Get the symbol name.
Definition MCSymbol.h:188
SmallString - A SmallString is just a SmallVector with methods and accessors that make it work better...
Definition SmallString.h:26
Represent a constant reference to a string, i.e.
Definition StringRef.h:56
Utility for building string tables with deduplicated suffixes.
LLVM_ABI void finalizeInOrder()
Finalize the string table without reording it.
LLVM_ABI size_t add(CachedHashStringRef S, uint8_t Priority=0)
Add a string to the builder.
LLVM_ABI void write(raw_ostream &OS) const
ArchType getArch() const
Get the parsed architecture type of this triple.
Definition Triple.h:512
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
Definition Twine.h:82
The instances of the Type class are immutable: once they are created, they are never changed.
Definition Type.h:46
LLVM Value Representation.
Definition Value.h:75
formatted_raw_ostream - A raw_ostream that wraps another one and keeps track of line and column posit...
An efficient, type-erasing, non-owning reference to a callable.
Simple in-memory representation of a document of msgpack objects with ability to find and create arra...
DocNode & getRoot()
Get ref to the document's root element.
LLVM_ABI void toYAML(raw_ostream &OS)
Convert MsgPack Document to YAML text.
LLVM_ABI void writeToBlob(std::string &Blob)
Write a MsgPack document to a binary MsgPack blob.
LLVM_ABI bool fromYAML(StringRef S)
Read YAML text into the MsgPack document. Returns false on failure.
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition raw_ostream.h:53
A raw_ostream that writes to an std::string.
std::string & str()
Returns the string's reference.
A raw_ostream that writes to an SmallVector or SmallString.
StringRef str() const
Return a StringRef for the vector contents.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
const char NoteNameV2[]
const char SectionName[]
const char NoteNameV3[]
static constexpr unsigned GFX12_5
static constexpr unsigned GFX9_4
static constexpr unsigned GFX10_1
static constexpr unsigned GFX10_3
static constexpr unsigned GFX11
static constexpr unsigned GFX9
static constexpr unsigned GFX12
static constexpr unsigned GFX13
static constexpr unsigned GFX11_7
constexpr char AssemblerDirectiveBegin[]
HSA metadata beginning assembler directive.
constexpr char AssemblerDirectiveEnd[]
HSA metadata ending assembler directive.
LLVM_ABI StringRef getArchNameR600(GPUKind AK)
FuncInfoFlags
Per-function flags packed into INFO_FLAGS entries.
GPUKind
GPU kinds supported by the AMDGPU target.
void printAMDGPUMCExpr(const MCExpr *Expr, raw_ostream &OS, const MCAsmInfo *MAI)
bool isHsaAbi(const MCSubtargetInfo &STI)
TargetID createAMDGPUTargetID(const MCSubtargetInfo &STI, StringRef FeatureString)
Construct TargetID from MCSubtargetInfo.
LLVM_ABI IsaVersion getIsaVersion(StringRef GPU)
bool isGFX90A(const MCSubtargetInfo &STI)
LLVM_ABI GPUKind parseArchAMDGCN(StringRef CPU)
bool hasArchitectedFlatScratch(const MCSubtargetInfo &STI)
bool isGFX11Plus(const MCSubtargetInfo &STI)
const MCExpr * foldAMDGPUMCExpr(const MCExpr *Expr, MCContext &Ctx)
InfoKind
Entry kind values for the .amdgpu.info section.
@ INFO_INDIRECT_CALL
Indirect call edge: the function contains an indirect call whose callee is expected to match the type...
@ INFO_FLAGS
Bitfield of FuncInfoFlags properties for the function. [u32].
@ INFO_FUNC
Opens a new function scope.
@ INFO_NUM_SGPR
Number of SGPRs explicitly used by the function. [u32].
@ INFO_NUM_VGPR
Number of architectural VGPRs used by the function. [u32].
@ INFO_CALL
Direct call edge: the function calls the callee identified by the 8-byte relocated symbol.
@ INFO_NUM_AGPR
Number of accumulator VGPRs (AGPRs) used by the function. [u32].
@ INFO_TYPEID
Function type ID: tags an address-taken function with a type-ID string (at the given ....
@ INFO_PRIVATE_SEGMENT_SIZE
Private (scratch) memory size in bytes required by the function. [u32].
@ INFO_USE
Dependency edge: the function uses the resource identified by the 8-byte relocated symbol (e....
LLVM_ABI StringRef getArchNameAMDGCN(GPUKind AK)
unsigned hasKernargPreload(const MCSubtargetInfo &STI)
bool supportsWGP(const MCSubtargetInfo &STI)
bool isGFX1250Plus(const MCSubtargetInfo &STI)
uint8_t getELFABIVersion(const Triple &T, unsigned CodeObjectVersion)
LLVM_ABI GPUKind parseArchR600(StringRef CPU)
@ NT_AMDGPU_METADATA
Definition ELF.h:1994
@ SHN_AMDGPU_LDS
Definition ELF.h:1977
@ SHF_EXCLUDE
Definition ELF.h:1290
@ SHF_ALLOC
Definition ELF.h:1256
@ SHT_STRTAB
Definition ELF.h:1157
@ SHT_PROGBITS
Definition ELF.h:1155
@ SHT_NOTE
Definition ELF.h:1161
@ STB_GLOBAL
Definition ELF.h:1413
@ STT_AMDGPU_HSA_KERNEL
Definition ELF.h:1438
@ STT_OBJECT
Definition ELF.h:1425
@ EF_AMDGPU_GENERIC_VERSION_MAX
Definition ELF.h:932
@ EF_AMDGPU_FEATURE_XNACK_ANY_V4
Definition ELF.h:909
@ EF_AMDGPU_FEATURE_SRAMECC_V3
Definition ELF.h:900
@ EF_AMDGPU_GENERIC_VERSION_OFFSET
Definition ELF.h:930
@ EF_AMDGPU_FEATURE_SRAMECC_UNSUPPORTED_V4
Definition ELF.h:920
@ EF_AMDGPU_FEATURE_SRAMECC_OFF_V4
Definition ELF.h:924
@ EF_AMDGPU_FEATURE_XNACK_UNSUPPORTED_V4
Definition ELF.h:907
@ EF_AMDGPU_FEATURE_XNACK_OFF_V4
Definition ELF.h:911
@ EF_AMDGPU_FEATURE_XNACK_V3
Definition ELF.h:895
@ EF_AMDGPU_FEATURE_XNACK_ON_V4
Definition ELF.h:913
@ EF_AMDGPU_MACH_NONE
Definition ELF.h:854
@ EF_AMDGPU_FEATURE_SRAMECC_ANY_V4
Definition ELF.h:922
@ EF_AMDGPU_FEATURE_SRAMECC_ON_V4
Definition ELF.h:926
@ NT_AMD_HSA_ISA_NAME
Definition ELF.h:1987
@ STV_PROTECTED
Definition ELF.h:1445
@ STV_DEFAULT
Definition ELF.h:1442
initializer< Ty > init(const Ty &Val)
This is an optimization pass for GlobalISel generic memory operations.
LLVM_ABI void report_fatal_error(Error Err, bool gen_crash_diag=true)
Definition Error.cpp:163
constexpr std::underlying_type_t< Enum > to_underlying(Enum E)
Returns underlying integer value of an enum.
Instruction set architecture version.
static const MCExpr * bits_get(const MCExpr *Src, uint32_t Shift, uint32_t Mask, MCContext &Ctx)
This struct is a compact representation of a valid (non-zero power of two) alignment.
Definition Alignment.h:39
constexpr uint64_t value() const
This is a hole in the type system and should not be abused.
Definition Alignment.h:77