LLVM 20.0.0git
HexagonMCCodeEmitter.cpp
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1//===- HexagonMCCodeEmitter.cpp - Hexagon Target Descriptions -------------===//
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#include "MCTargetDesc/HexagonMCCodeEmitter.h"
10#include "MCTargetDesc/HexagonBaseInfo.h"
11#include "MCTargetDesc/HexagonFixupKinds.h"
12#include "MCTargetDesc/HexagonMCExpr.h"
13#include "MCTargetDesc/HexagonMCInstrInfo.h"
14#include "MCTargetDesc/HexagonMCTargetDesc.h"
15#include "llvm/ADT/Statistic.h"
16#include "llvm/MC/MCContext.h"
17#include "llvm/MC/MCExpr.h"
18#include "llvm/MC/MCFixup.h"
19#include "llvm/MC/MCInst.h"
20#include "llvm/MC/MCInstrDesc.h"
21#include "llvm/MC/MCInstrInfo.h"
22#include "llvm/MC/MCRegisterInfo.h"
23#include "llvm/MC/MCSubtargetInfo.h"
24#include "llvm/Support/Casting.h"
25#include "llvm/Support/Compiler.h"
26#include "llvm/Support/Debug.h"
27#include "llvm/Support/Endian.h"
28#include "llvm/Support/EndianStream.h"
29#include "llvm/Support/ErrorHandling.h"
30#include "llvm/Support/raw_ostream.h"
31#include <cassert>
32#include <cstddef>
33#include <cstdint>
34#include <map>
35#include <string>
36#include <vector>
37
38#define DEBUG_TYPE "mccodeemitter"
39
40using namespace llvm;
41using namespace Hexagon;
42
43STATISTIC(MCNumEmitted, "Number of MC instructions emitted");
44
45static const unsigned fixup_Invalid = ~0u;
46
47#define _ fixup_Invalid
48#define P(x) Hexagon::fixup_Hexagon##x
49static const std::map<unsigned, std::vector<unsigned>> ExtFixups = {
50 { MCSymbolRefExpr::VK_DTPREL,
51 { _, _, _, _,
52 _, _, P(_DTPREL_16_X), P(_DTPREL_11_X),
53 P(_DTPREL_11_X), P(_9_X), _, P(_DTPREL_11_X),
54 P(_DTPREL_16_X), _, _, _,
55 P(_DTPREL_16_X), _, _, _,
56 _, _, _, _,
57 _, _, _, _,
58 _, _, _, _,
59 P(_DTPREL_32_6_X) }},
60 { MCSymbolRefExpr::VK_GOT,
61 { _, _, _, _,
62 _, _, P(_GOT_11_X), _ /* [1] */,
63 _ /* [1] */, P(_9_X), _, P(_GOT_11_X),
64 P(_GOT_16_X), _, _, _,
65 P(_GOT_16_X), _, _, _,
66 _, _, _, _,
67 _, _, _, _,
68 _, _, _, _,
69 P(_GOT_32_6_X) }},
70 { MCSymbolRefExpr::VK_GOTREL,
71 { _, _, _, _,
72 _, _, P(_GOTREL_11_X), P(_GOTREL_11_X),
73 P(_GOTREL_11_X), P(_9_X), _, P(_GOTREL_11_X),
74 P(_GOTREL_16_X), _, _, _,
75 P(_GOTREL_16_X), _, _, _,
76 _, _, _, _,
77 _, _, _, _,
78 _, _, _, _,
79 P(_GOTREL_32_6_X) }},
80 { MCSymbolRefExpr::VK_TPREL,
81 { _, _, _, _,
82 _, _, P(_TPREL_16_X), P(_TPREL_11_X),
83 P(_TPREL_11_X), P(_9_X), _, P(_TPREL_11_X),
84 P(_TPREL_16_X), _, _, _,
85 P(_TPREL_16_X), _, _, _,
86 _, _, _, _,
87 _, _, _, _,
88 _, _, _, _,
89 P(_TPREL_32_6_X) }},
90 { MCSymbolRefExpr::VK_Hexagon_GD_GOT,
91 { _, _, _, _,
92 _, _, P(_GD_GOT_16_X), P(_GD_GOT_11_X),
93 P(_GD_GOT_11_X), P(_9_X), _, P(_GD_GOT_11_X),
94 P(_GD_GOT_16_X), _, _, _,
95 P(_GD_GOT_16_X), _, _, _,
96 _, _, _, _,
97 _, _, _, _,
98 _, _, _, _,
99 P(_GD_GOT_32_6_X) }},
100 { MCSymbolRefExpr::VK_Hexagon_GD_PLT,
101 { _, _, _, _,
102 _, _, _, _,
103 _, P(_9_X), _, P(_GD_PLT_B22_PCREL_X),
104 _, _, _, _,
105 _, _, _, _,
106 _, _, P(_GD_PLT_B22_PCREL_X), _,
107 _, _, _, _,
108 _, _, _, _,
109 _ }},
110 { MCSymbolRefExpr::VK_Hexagon_IE,
111 { _, _, _, _,
112 _, _, P(_IE_16_X), _,
113 _, P(_9_X), _, _,
114 P(_IE_16_X), _, _, _,
115 P(_IE_16_X), _, _, _,
116 _, _, _, _,
117 _, _, _, _,
118 _, _, _, _,
119 P(_IE_32_6_X) }},
120 { MCSymbolRefExpr::VK_Hexagon_IE_GOT,
121 { _, _, _, _,
122 _, _, P(_IE_GOT_11_X), P(_IE_GOT_11_X),
123 P(_IE_GOT_11_X), P(_9_X), _, P(_IE_GOT_11_X),
124 P(_IE_GOT_16_X), _, _, _,
125 P(_IE_GOT_16_X), _, _, _,
126 _, _, _, _,
127 _, _, _, _,
128 _, _, _, _,
129 P(_IE_GOT_32_6_X) }},
130 { MCSymbolRefExpr::VK_Hexagon_LD_GOT,
131 { _, _, _, _,
132 _, _, P(_LD_GOT_11_X), P(_LD_GOT_11_X),
133 P(_LD_GOT_11_X), P(_9_X), _, P(_LD_GOT_11_X),
134 P(_LD_GOT_16_X), _, _, _,
135 P(_LD_GOT_16_X), _, _, _,
136 _, _, _, _,
137 _, _, _, _,
138 _, _, _, _,
139 P(_LD_GOT_32_6_X) }},
140 { MCSymbolRefExpr::VK_Hexagon_LD_PLT,
141 { _, _, _, _,
142 _, _, _, _,
143 _, P(_9_X), _, P(_LD_PLT_B22_PCREL_X),
144 _, _, _, _,
145 _, _, _, _,
146 _, _, P(_LD_PLT_B22_PCREL_X), _,
147 _, _, _, _,
148 _, _, _, _,
149 _ }},
150 { MCSymbolRefExpr::VK_PCREL,
151 { _, _, _, _,
152 _, _, P(_6_PCREL_X), _,
153 _, P(_9_X), _, _,
154 _, _, _, _,
155 _, _, _, _,
156 _, _, _, _,
157 _, _, _, _,
158 _, _, _, _,
159 P(_32_PCREL) }},
160 { MCSymbolRefExpr::VK_None,
161 { _, _, _, _,
162 _, _, P(_6_X), P(_8_X),
163 P(_8_X), P(_9_X), P(_10_X), P(_11_X),
164 P(_12_X), P(_B13_PCREL), _, P(_B15_PCREL_X),
165 P(_16_X), _, _, _,
166 _, _, P(_B22_PCREL_X), _,
167 _, _, _, _,
168 _, _, _, _,
169 P(_32_6_X) }},
170};
171// [1] The fixup is GOT_16_X for signed values and GOT_11_X for unsigned.
172
173static const std::map<unsigned, std::vector<unsigned>> StdFixups = {
174 { MCSymbolRefExpr::VK_DTPREL,
175 { _, _, _, _,
176 _, _, _, _,
177 _, _, _, _,
178 _, _, _, _,
179 P(_DTPREL_16), _, _, _,
180 _, _, _, _,
181 _, _, _, _,
182 _, _, _, _,
183 P(_DTPREL_32) }},
184 { MCSymbolRefExpr::VK_GOT,
185 { _, _, _, _,
186 _, _, _, _,
187 _, _, _, _,
188 _, _, _, _,
189 _, _, _, _,
190 _, _, _, _,
191 _, _, _, _,
192 _, _, _, _,
193 P(_GOT_32) }},
194 { MCSymbolRefExpr::VK_GOTREL,
195 { _, _, _, _,
196 _, _, _, _,
197 _, _, _, _,
198 _, _, _, _,
199 _ /* [2] */, _, _, _,
200 _, _, _, _,
201 _, _, _, _,
202 _, _, _, _,
203 P(_GOTREL_32) }},
204 { MCSymbolRefExpr::VK_PLT,
205 { _, _, _, _,
206 _, _, _, _,
207 _, _, _, _,
208 _, _, _, _,
209 _, _, _, _,
210 _, _, P(_PLT_B22_PCREL), _,
211 _, _, _, _,
212 _, _, _, _,
213 _ }},
214 { MCSymbolRefExpr::VK_TPREL,
215 { _, _, _, _,
216 _, _, _, _,
217 _, _, _, P(_TPREL_11_X),
218 _, _, _, _,
219 P(_TPREL_16), _, _, _,
220 _, _, _, _,
221 _, _, _, _,
222 _, _, _, _,
223 P(_TPREL_32) }},
224 { MCSymbolRefExpr::VK_Hexagon_GD_GOT,
225 { _, _, _, _,
226 _, _, _, _,
227 _, _, _, _,
228 _, _, _, _,
229 P(_GD_GOT_16), _, _, _,
230 _, _, _, _,
231 _, _, _, _,
232 _, _, _, _,
233 P(_GD_GOT_32) }},
234 { MCSymbolRefExpr::VK_Hexagon_GD_PLT,
235 { _, _, _, _,
236 _, _, _, _,
237 _, _, _, _,
238 _, _, _, _,
239 _, _, _, _,
240 _, _, P(_GD_PLT_B22_PCREL), _,
241 _, _, _, _,
242 _, _, _, _,
243 _ }},
244 { MCSymbolRefExpr::VK_Hexagon_GPREL,
245 { _, _, _, _,
246 _, _, _, _,
247 _, _, _, _,
248 _, _, _, _,
249 P(_GPREL16_0), _, _, _,
250 _, _, _, _,
251 _, _, _, _,
252 _, _, _, _,
253 _ }},
254 { MCSymbolRefExpr::VK_Hexagon_HI16,
255 { _, _, _, _,
256 _, _, _, _,
257 _, _, _, _,
258 _, _, _, _,
259 P(_HI16), _, _, _,
260 _, _, _, _,
261 _, _, _, _,
262 _, _, _, _,
263 _ }},
264 { MCSymbolRefExpr::VK_Hexagon_IE,
265 { _, _, _, _,
266 _, _, _, _,
267 _, _, _, _,
268 _, _, _, _,
269 _, _, _, _,
270 _, _, _, _,
271 _, _, _, _,
272 _, _, _, _,
273 P(_IE_32) }},
274 { MCSymbolRefExpr::VK_Hexagon_IE_GOT,
275 { _, _, _, _,
276 _, _, _, _,
277 _, _, _, _,
278 _, _, _, _,
279 P(_IE_GOT_16), _, _, _,
280 _, _, _, _,
281 _, _, _, _,
282 _, _, _, _,
283 P(_IE_GOT_32) }},
284 { MCSymbolRefExpr::VK_Hexagon_LD_GOT,
285 { _, _, _, _,
286 _, _, _, _,
287 _, _, _, _,
288 _, _, _, _,
289 P(_LD_GOT_16), _, _, _,
290 _, _, _, _,
291 _, _, _, _,
292 _, _, _, _,
293 P(_LD_GOT_32) }},
294 { MCSymbolRefExpr::VK_Hexagon_LD_PLT,
295 { _, _, _, _,
296 _, _, _, _,
297 _, _, _, _,
298 _, _, _, _,
299 _, _, _, _,
300 _, _, P(_LD_PLT_B22_PCREL), _,
301 _, _, _, _,
302 _, _, _, _,
303 _ }},
304 { MCSymbolRefExpr::VK_Hexagon_LO16,
305 { _, _, _, _,
306 _, _, _, _,
307 _, _, _, _,
308 _, _, _, _,
309 P(_LO16), _, _, _,
310 _, _, _, _,
311 _, _, _, _,
312 _, _, _, _,
313 _ }},
314 { MCSymbolRefExpr::VK_PCREL,
315 { _, _, _, _,
316 _, _, _, _,
317 _, _, _, _,
318 _, _, _, _,
319 _, _, _, _,
320 _, _, _, _,
321 _, _, _, _,
322 _, _, _, _,
323 P(_32_PCREL) }},
324 { MCSymbolRefExpr::VK_None,
325 { _, _, _, _,
326 _, _, _, _,
327 _, _, _, _,
328 _, P(_B13_PCREL), _, P(_B15_PCREL),
329 _, _, _, _,
330 _, _, P(_B22_PCREL), _,
331 _, _, _, _,
332 _, _, _, _,
333 P(_32) }},
334};
335//
336// [2] The actual fixup is LO16 or HI16, depending on the instruction.
337#undef P
338#undef _
339
340uint32_t HexagonMCCodeEmitter::parseBits(size_t Last, MCInst const &MCB,
341 MCInst const &MCI) const {
342 bool Duplex = HexagonMCInstrInfo::isDuplex(MCII, MCI);
343 if (State.Index == 0) {
344 if (HexagonMCInstrInfo::isInnerLoop(MCB)) {
345 assert(!Duplex);
346 assert(State.Index != Last);
347 return HexagonII::INST_PARSE_LOOP_END;
348 }
349 }
350 if (State.Index == 1) {
351 if (HexagonMCInstrInfo::isOuterLoop(MCB)) {
352 assert(!Duplex);
353 assert(State.Index != Last);
354 return HexagonII::INST_PARSE_LOOP_END;
355 }
356 }
357 if (Duplex) {
358 assert(State.Index == Last);
359 return HexagonII::INST_PARSE_DUPLEX;
360 }
361 if (State.Index == Last)
362 return HexagonII::INST_PARSE_PACKET_END;
363 return HexagonII::INST_PARSE_NOT_END;
364}
365
366/// Emit the bundle.
367void HexagonMCCodeEmitter::encodeInstruction(const MCInst &MI,
368 SmallVectorImpl<char> &CB,
369 SmallVectorImpl<MCFixup> &Fixups,
370 const MCSubtargetInfo &STI) const {
371 MCInst &HMB = const_cast<MCInst &>(MI);
372
373 assert(HexagonMCInstrInfo::isBundle(HMB));
374 LLVM_DEBUG(dbgs() << "Encoding bundle\n";);
375 State.Addend = 0;
376 State.Extended = false;
377 State.Bundle = &MI;
378 State.Index = 0;
379 size_t Last = HexagonMCInstrInfo::bundleSize(HMB) - 1;
380
381 for (auto &I : HexagonMCInstrInfo::bundleInstructions(HMB)) {
382 MCInst &HMI = const_cast<MCInst &>(*I.getInst());
383
384 encodeSingleInstruction(HMI, CB, Fixups, STI, parseBits(Last, HMB, HMI));
385 State.Extended = HexagonMCInstrInfo::isImmext(HMI);
386 State.Addend += HEXAGON_INSTR_SIZE;
387 ++State.Index;
388 }
389}
390
391static bool RegisterMatches(unsigned Consumer, unsigned Producer,
392 unsigned Producer2) {
393 return (Consumer == Producer) || (Consumer == Producer2) ||
394 HexagonMCInstrInfo::IsSingleConsumerRefPairProducer(Producer,
395 Consumer);
396}
397
398void HexagonMCCodeEmitter::encodeSingleInstruction(
399 const MCInst &MI, SmallVectorImpl<char> &CB,
400 SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI,
401 uint32_t Parse) const {
402 assert(!HexagonMCInstrInfo::isBundle(MI));
403 uint64_t Binary;
404
405 // Pseudo instructions don't get encoded and shouldn't be here
406 // in the first place!
407 assert(!HexagonMCInstrInfo::getDesc(MCII, MI).isPseudo() &&
408 "pseudo-instruction found");
409 LLVM_DEBUG(dbgs() << "Encoding insn `"
410 << HexagonMCInstrInfo::getName(MCII, MI) << "'\n");
411
412 Binary = getBinaryCodeForInstr(MI, Fixups, STI);
413 unsigned Opc = MI.getOpcode();
414
415 // Check for unimplemented instructions. Immediate extenders
416 // are encoded as zero, so they need to be accounted for.
417 if (!Binary && Opc != DuplexIClass0 && Opc != A4_ext) {
418 LLVM_DEBUG(dbgs() << "Unimplemented inst `"
419 << HexagonMCInstrInfo::getName(MCII, MI) << "'\n");
420 llvm_unreachable("Unimplemented Instruction");
421 }
422 Binary |= Parse;
423
424 // if we need to emit a duplexed instruction
425 if (Opc >= Hexagon::DuplexIClass0 && Opc <= Hexagon::DuplexIClassF) {
426 assert(Parse == HexagonII::INST_PARSE_DUPLEX &&
427 "Emitting duplex without duplex parse bits");
428 unsigned DupIClass = MI.getOpcode() - Hexagon::DuplexIClass0;
429 // 29 is the bit position.
430 // 0b1110 =0xE bits are masked off and down shifted by 1 bit.
431 // Last bit is moved to bit position 13
432 Binary = ((DupIClass & 0xE) << (29 - 1)) | ((DupIClass & 0x1) << 13);
433
434 const MCInst *Sub0 = MI.getOperand(0).getInst();
435 const MCInst *Sub1 = MI.getOperand(1).getInst();
436
437 // Get subinstruction slot 0.
438 unsigned SubBits0 = getBinaryCodeForInstr(*Sub0, Fixups, STI);
439 // Get subinstruction slot 1.
440 State.SubInst1 = true;
441 unsigned SubBits1 = getBinaryCodeForInstr(*Sub1, Fixups, STI);
442 State.SubInst1 = false;
443
444 Binary |= SubBits0 | (SubBits1 << 16);
445 }
446 support::endian::write<uint32_t>(CB, Binary, llvm::endianness::little);
447 ++MCNumEmitted;
448}
449
450[[noreturn]] static void raise_relocation_error(unsigned Width, unsigned Kind) {
451 std::string Text;
452 raw_string_ostream Stream(Text);
453 Stream << "Unrecognized relocation combination: width=" << Width
454 << " kind=" << Kind;
455 report_fatal_error(Twine(Stream.str()));
456}
457
458/// Some insns are not extended and thus have no bits. These cases require
459/// a more brute force method for determining the correct relocation.
460Hexagon::Fixups HexagonMCCodeEmitter::getFixupNoBits(
461 MCInstrInfo const &MCII, const MCInst &MI, const MCOperand &MO,
462 const MCSymbolRefExpr::VariantKind VarKind) const {
463 const MCInstrDesc &MCID = HexagonMCInstrInfo::getDesc(MCII, MI);
464 unsigned InsnType = HexagonMCInstrInfo::getType(MCII, MI);
465 using namespace Hexagon;
466
467 if (InsnType == HexagonII::TypeEXTENDER) {
468 if (VarKind == MCSymbolRefExpr::VK_None) {
469 auto Instrs = HexagonMCInstrInfo::bundleInstructions(*State.Bundle);
470 for (auto I = Instrs.begin(), N = Instrs.end(); I != N; ++I) {
471 if (I->getInst() != &MI)
472 continue;
473 assert(I+1 != N && "Extender cannot be last in packet");
474 const MCInst &NextI = *(I+1)->getInst();
475 const MCInstrDesc &NextD = HexagonMCInstrInfo::getDesc(MCII, NextI);
476 if (NextD.isBranch() || NextD.isCall() ||
477 HexagonMCInstrInfo::getType(MCII, NextI) == HexagonII::TypeCR)
478 return fixup_Hexagon_B32_PCREL_X;
479 return fixup_Hexagon_32_6_X;
480 }
481 }
482
483 static const std::map<unsigned,unsigned> Relocs = {
484 { MCSymbolRefExpr::VK_GOTREL, fixup_Hexagon_GOTREL_32_6_X },
485 { MCSymbolRefExpr::VK_GOT, fixup_Hexagon_GOT_32_6_X },
486 { MCSymbolRefExpr::VK_TPREL, fixup_Hexagon_TPREL_32_6_X },
487 { MCSymbolRefExpr::VK_DTPREL, fixup_Hexagon_DTPREL_32_6_X },
488 { MCSymbolRefExpr::VK_Hexagon_GD_GOT, fixup_Hexagon_GD_GOT_32_6_X },
489 { MCSymbolRefExpr::VK_Hexagon_LD_GOT, fixup_Hexagon_LD_GOT_32_6_X },
490 { MCSymbolRefExpr::VK_Hexagon_IE, fixup_Hexagon_IE_32_6_X },
491 { MCSymbolRefExpr::VK_Hexagon_IE_GOT, fixup_Hexagon_IE_GOT_32_6_X },
492 { MCSymbolRefExpr::VK_PCREL, fixup_Hexagon_B32_PCREL_X },
493 { MCSymbolRefExpr::VK_Hexagon_GD_PLT, fixup_Hexagon_GD_PLT_B32_PCREL_X },
494 { MCSymbolRefExpr::VK_Hexagon_LD_PLT, fixup_Hexagon_LD_PLT_B32_PCREL_X },
495 };
496
497 auto F = Relocs.find(VarKind);
498 if (F != Relocs.end())
499 return Hexagon::Fixups(F->second);
500 raise_relocation_error(0, VarKind);
501 }
502
503 if (MCID.isBranch())
504 return fixup_Hexagon_B13_PCREL;
505
506 static const std::map<unsigned,unsigned> RelocsLo = {
507 { MCSymbolRefExpr::VK_GOT, fixup_Hexagon_GOT_LO16 },
508 { MCSymbolRefExpr::VK_GOTREL, fixup_Hexagon_GOTREL_LO16 },
509 { MCSymbolRefExpr::VK_Hexagon_GD_GOT, fixup_Hexagon_GD_GOT_LO16 },
510 { MCSymbolRefExpr::VK_Hexagon_LD_GOT, fixup_Hexagon_LD_GOT_LO16 },
511 { MCSymbolRefExpr::VK_Hexagon_IE, fixup_Hexagon_IE_LO16 },
512 { MCSymbolRefExpr::VK_Hexagon_IE_GOT, fixup_Hexagon_IE_GOT_LO16 },
513 { MCSymbolRefExpr::VK_TPREL, fixup_Hexagon_TPREL_LO16 },
514 { MCSymbolRefExpr::VK_DTPREL, fixup_Hexagon_DTPREL_LO16 },
515 { MCSymbolRefExpr::VK_None, fixup_Hexagon_LO16 },
516 };
517
518 static const std::map<unsigned,unsigned> RelocsHi = {
519 { MCSymbolRefExpr::VK_GOT, fixup_Hexagon_GOT_HI16 },
520 { MCSymbolRefExpr::VK_GOTREL, fixup_Hexagon_GOTREL_HI16 },
521 { MCSymbolRefExpr::VK_Hexagon_GD_GOT, fixup_Hexagon_GD_GOT_HI16 },
522 { MCSymbolRefExpr::VK_Hexagon_LD_GOT, fixup_Hexagon_LD_GOT_HI16 },
523 { MCSymbolRefExpr::VK_Hexagon_IE, fixup_Hexagon_IE_HI16 },
524 { MCSymbolRefExpr::VK_Hexagon_IE_GOT, fixup_Hexagon_IE_GOT_HI16 },
525 { MCSymbolRefExpr::VK_TPREL, fixup_Hexagon_TPREL_HI16 },
526 { MCSymbolRefExpr::VK_DTPREL, fixup_Hexagon_DTPREL_HI16 },
527 { MCSymbolRefExpr::VK_None, fixup_Hexagon_HI16 },
528 };
529
530 switch (MCID.getOpcode()) {
531 case Hexagon::LO:
532 case Hexagon::A2_tfril: {
533 auto F = RelocsLo.find(VarKind);
534 if (F != RelocsLo.end())
535 return Hexagon::Fixups(F->second);
536 break;
537 }
538 case Hexagon::HI:
539 case Hexagon::A2_tfrih: {
540 auto F = RelocsHi.find(VarKind);
541 if (F != RelocsHi.end())
542 return Hexagon::Fixups(F->second);
543 break;
544 }
545 }
546
547 raise_relocation_error(0, VarKind);
548}
549
550static bool isPCRel(unsigned Kind) {
551 switch (Kind){
552 case fixup_Hexagon_B22_PCREL:
553 case fixup_Hexagon_B15_PCREL:
554 case fixup_Hexagon_B7_PCREL:
555 case fixup_Hexagon_B13_PCREL:
556 case fixup_Hexagon_B9_PCREL:
557 case fixup_Hexagon_B32_PCREL_X:
558 case fixup_Hexagon_B22_PCREL_X:
559 case fixup_Hexagon_B15_PCREL_X:
560 case fixup_Hexagon_B13_PCREL_X:
561 case fixup_Hexagon_B9_PCREL_X:
562 case fixup_Hexagon_B7_PCREL_X:
563 case fixup_Hexagon_32_PCREL:
564 case fixup_Hexagon_PLT_B22_PCREL:
565 case fixup_Hexagon_GD_PLT_B22_PCREL:
566 case fixup_Hexagon_LD_PLT_B22_PCREL:
567 case fixup_Hexagon_GD_PLT_B22_PCREL_X:
568 case fixup_Hexagon_LD_PLT_B22_PCREL_X:
569 case fixup_Hexagon_6_PCREL_X:
570 return true;
571 default:
572 return false;
573 }
574}
575
576unsigned HexagonMCCodeEmitter::getExprOpValue(const MCInst &MI,
577 const MCOperand &MO, const MCExpr *ME, SmallVectorImpl<MCFixup> &Fixups,
578 const MCSubtargetInfo &STI) const {
579 if (isa<HexagonMCExpr>(ME))
580 ME = &HexagonMCInstrInfo::getExpr(*ME);
581 int64_t Value;
582 if (ME->evaluateAsAbsolute(Value)) {
583 bool InstExtendable = HexagonMCInstrInfo::isExtendable(MCII, MI) ||
584 HexagonMCInstrInfo::isExtended(MCII, MI);
585 // Only sub-instruction #1 can be extended in a duplex. If MI is a
586 // sub-instruction #0, it is not extended even if Extended is true
587 // (it can be true for the duplex as a whole).
588 bool IsSub0 = HexagonMCInstrInfo::isSubInstruction(MI) && !State.SubInst1;
589 if (State.Extended && InstExtendable && !IsSub0) {
590 unsigned OpIdx = ~0u;
591 for (unsigned I = 0, E = MI.getNumOperands(); I != E; ++I) {
592 if (&MO != &MI.getOperand(I))
593 continue;
594 OpIdx = I;
595 break;
596 }
597 assert(OpIdx != ~0u);
598 if (OpIdx == HexagonMCInstrInfo::getExtendableOp(MCII, MI)) {
599 unsigned Shift = HexagonMCInstrInfo::getExtentAlignment(MCII, MI);
600 Value = (Value & 0x3f) << Shift;
601 }
602 }
603 return Value;
604 }
605 assert(ME->getKind() == MCExpr::SymbolRef ||
606 ME->getKind() == MCExpr::Binary);
607 if (ME->getKind() == MCExpr::Binary) {
608 MCBinaryExpr const *Binary = cast<MCBinaryExpr>(ME);
609 getExprOpValue(MI, MO, Binary->getLHS(), Fixups, STI);
610 getExprOpValue(MI, MO, Binary->getRHS(), Fixups, STI);
611 return 0;
612 }
613
614 unsigned FixupKind = fixup_Invalid;
615 const MCSymbolRefExpr *MCSRE = static_cast<const MCSymbolRefExpr *>(ME);
616 const MCInstrDesc &MCID = HexagonMCInstrInfo::getDesc(MCII, MI);
617 unsigned FixupWidth = HexagonMCInstrInfo::getExtentBits(MCII, MI) -
618 HexagonMCInstrInfo::getExtentAlignment(MCII, MI);
619 MCSymbolRefExpr::VariantKind VarKind = MCSRE->getKind();
620 unsigned Opc = MCID.getOpcode();
621 unsigned IType = HexagonMCInstrInfo::getType(MCII, MI);
622
623 LLVM_DEBUG(dbgs() << "----------------------------------------\n"
624 << "Opcode Name: " << HexagonMCInstrInfo::getName(MCII, MI)
625 << "\nOpcode: " << Opc << "\nRelocation bits: "
626 << FixupWidth << "\nAddend: " << State.Addend
627 << "\nVariant: " << unsigned(VarKind)
628 << "\n----------------------------------------\n");
629
630 // Pick the applicable fixup kind for the symbol.
631 // Handle special cases first, the rest will be looked up in the tables.
632
633 if (FixupWidth == 16 && !State.Extended) {
634 if (VarKind == MCSymbolRefExpr::VK_None) {
635 if (HexagonMCInstrInfo::s27_2_reloc(*MO.getExpr())) {
636 // A2_iconst.
637 FixupKind = Hexagon::fixup_Hexagon_27_REG;
638 } else {
639 // Look for GP-relative fixups.
640 unsigned Shift = HexagonMCInstrInfo::getExtentAlignment(MCII, MI);
641 static const Hexagon::Fixups GPRelFixups[] = {
642 Hexagon::fixup_Hexagon_GPREL16_0, Hexagon::fixup_Hexagon_GPREL16_1,
643 Hexagon::fixup_Hexagon_GPREL16_2, Hexagon::fixup_Hexagon_GPREL16_3
644 };
645 assert(Shift < std::size(GPRelFixups));
646 auto UsesGP = [](const MCInstrDesc &D) {
647 return is_contained(D.implicit_uses(), Hexagon::GP);
648 };
649 if (UsesGP(MCID))
650 FixupKind = GPRelFixups[Shift];
651 }
652 } else if (VarKind == MCSymbolRefExpr::VK_GOTREL) {
653 // Select between LO/HI.
654 if (Opc == Hexagon::LO)
655 FixupKind = Hexagon::fixup_Hexagon_GOTREL_LO16;
656 else if (Opc == Hexagon::HI)
657 FixupKind = Hexagon::fixup_Hexagon_GOTREL_HI16;
658 }
659 } else {
660 bool BranchOrCR = MCID.isBranch() || IType == HexagonII::TypeCR;
661 switch (FixupWidth) {
662 case 9:
663 if (BranchOrCR)
664 FixupKind = State.Extended ? Hexagon::fixup_Hexagon_B9_PCREL_X
665 : Hexagon::fixup_Hexagon_B9_PCREL;
666 break;
667 case 8:
668 case 7:
669 if (State.Extended && VarKind == MCSymbolRefExpr::VK_GOT)
670 FixupKind = HexagonMCInstrInfo::isExtentSigned(MCII, MI)
671 ? Hexagon::fixup_Hexagon_GOT_16_X
672 : Hexagon::fixup_Hexagon_GOT_11_X;
673 else if (FixupWidth == 7 && BranchOrCR)
674 FixupKind = State.Extended ? Hexagon::fixup_Hexagon_B7_PCREL_X
675 : Hexagon::fixup_Hexagon_B7_PCREL;
676 break;
677 case 0:
678 FixupKind = getFixupNoBits(MCII, MI, MO, VarKind);
679 break;
680 }
681 }
682
683 if (FixupKind == fixup_Invalid) {
684 const auto &FixupTable = State.Extended ? ExtFixups : StdFixups;
685
686 auto FindVK = FixupTable.find(VarKind);
687 if (FindVK != FixupTable.end())
688 FixupKind = FindVK->second[FixupWidth];
689 }
690
691 if (FixupKind == fixup_Invalid)
692 raise_relocation_error(FixupWidth, VarKind);
693
694 const MCExpr *FixupExpr = MO.getExpr();
695 if (State.Addend != 0 && isPCRel(FixupKind)) {
696 const MCExpr *C = MCConstantExpr::create(State.Addend, MCT);
697 FixupExpr = MCBinaryExpr::createAdd(FixupExpr, C, MCT);
698 }
699
700 MCFixup Fixup = MCFixup::create(State.Addend, FixupExpr,
701 MCFixupKind(FixupKind), MI.getLoc());
702 Fixups.push_back(Fixup);
703 // All of the information is in the fixup.
704 return 0;
705}
706
707unsigned
708HexagonMCCodeEmitter::getMachineOpValue(MCInst const &MI, MCOperand const &MO,
709 SmallVectorImpl<MCFixup> &Fixups,
710 MCSubtargetInfo const &STI) const {
711 size_t OperandNumber = ~0U;
712 for (unsigned i = 0, n = MI.getNumOperands(); i < n; ++i)
713 if (&MI.getOperand(i) == &MO) {
714 OperandNumber = i;
715 break;
716 }
717 assert((OperandNumber != ~0U) && "Operand not found");
718
719 if (HexagonMCInstrInfo::isNewValue(MCII, MI) &&
720 &MO == &HexagonMCInstrInfo::getNewValueOperand(MCII, MI)) {
721 // Calculate the new value distance to the associated producer
722 unsigned SOffset = 0;
723 unsigned VOffset = 0;
724 unsigned UseReg = MO.getReg();
725 unsigned DefReg1 = Hexagon::NoRegister;
726 unsigned DefReg2 = Hexagon::NoRegister;
727
728 auto Instrs = HexagonMCInstrInfo::bundleInstructions(*State.Bundle);
729 const MCOperand *I = Instrs.begin() + State.Index - 1;
730
731 for (;; --I) {
732 assert(I != Instrs.begin() - 1 && "Couldn't find producer");
733 MCInst const &Inst = *I->getInst();
734 if (HexagonMCInstrInfo::isImmext(Inst))
735 continue;
736
737 DefReg1 = Hexagon::NoRegister;
738 DefReg2 = Hexagon::NoRegister;
739 ++SOffset;
740 if (HexagonMCInstrInfo::isVector(MCII, Inst)) {
741 // Vector instructions don't count scalars.
742 ++VOffset;
743 }
744 if (HexagonMCInstrInfo::hasNewValue(MCII, Inst))
745 DefReg1 = HexagonMCInstrInfo::getNewValueOperand(MCII, Inst).getReg();
746 if (HexagonMCInstrInfo::hasNewValue2(MCII, Inst))
747 DefReg2 = HexagonMCInstrInfo::getNewValueOperand2(MCII, Inst).getReg();
748 if (!RegisterMatches(UseReg, DefReg1, DefReg2)) {
749 // This isn't the register we're looking for
750 continue;
751 }
752 if (!HexagonMCInstrInfo::isPredicated(MCII, Inst)) {
753 // Producer is unpredicated
754 break;
755 }
756 assert(HexagonMCInstrInfo::isPredicated(MCII, MI) &&
757 "Unpredicated consumer depending on predicated producer");
758 if (HexagonMCInstrInfo::isPredicatedTrue(MCII, Inst) ==
759 HexagonMCInstrInfo::isPredicatedTrue(MCII, MI))
760 // Producer predicate sense matched ours.
761 break;
762 }
763 // Hexagon PRM 10.11 Construct Nt from distance
764 unsigned Offset = HexagonMCInstrInfo::isVector(MCII, MI) ? VOffset
765 : SOffset;
766 Offset <<= 1;
767 Offset |= HexagonMCInstrInfo::SubregisterBit(UseReg, DefReg1, DefReg2);
768 return Offset;
769 }
770
771 assert(!MO.isImm());
772 if (MO.isReg()) {
773 unsigned Reg = MO.getReg();
774 switch (HexagonMCInstrInfo::getDesc(MCII, MI)
775 .operands()[OperandNumber]
776 .RegClass) {
777 case GeneralSubRegsRegClassID:
778 case GeneralDoubleLow8RegsRegClassID:
779 return HexagonMCInstrInfo::getDuplexRegisterNumbering(Reg);
780 default:
781 break;
782 }
783 return MCT.getRegisterInfo()->getEncodingValue(Reg);
784 }
785
786 return getExprOpValue(MI, MO, MO.getExpr(), Fixups, STI);
787}
788
789MCCodeEmitter *llvm::createHexagonMCCodeEmitter(MCInstrInfo const &MII,
790 MCContext &MCT) {
791 return new HexagonMCCodeEmitter(MII, MCT);
792}
793
794#include "HexagonGenMCCodeEmitter.inc"
D
static GCRegistry::Add< StatepointGC > D("statepoint-example", "an example strategy for statepoint")
LLVM_DEBUG
#define LLVM_DEBUG(X)
Definition: Debug.h:101
UseReg
static Register UseReg(const MachineOperand &MO)
Definition: HexagonCopyToCombine.cpp:252
ExtFixups
static const std::map< unsigned, std::vector< unsigned > > ExtFixups
Definition: HexagonMCCodeEmitter.cpp:49
P
#define P(x)
Definition: HexagonMCCodeEmitter.cpp:48
RegisterMatches
static bool RegisterMatches(unsigned Consumer, unsigned Producer, unsigned Producer2)
Definition: HexagonMCCodeEmitter.cpp:391
fixup_Invalid
static const unsigned fixup_Invalid
Definition: HexagonMCCodeEmitter.cpp:45
raise_relocation_error
static void raise_relocation_error(unsigned Width, unsigned Kind)
Definition: HexagonMCCodeEmitter.cpp:450
isPCRel
static bool isPCRel(unsigned Kind)
Definition: HexagonMCCodeEmitter.cpp:550
StdFixups
static const std::map< unsigned, std::vector< unsigned > > StdFixups
Definition: HexagonMCCodeEmitter.cpp:173
_
#define _
Definition: HexagonMCCodeEmitter.cpp:47
HexagonMCCodeEmitter.h
Definition for classes that emit Hexagon machine code from MCInsts.
HEXAGON_INSTR_SIZE
#define HEXAGON_INSTR_SIZE
Definition: HexagonMCTargetDesc.h:32
MI
IRTranslator LLVM IR MI
Definition: IRTranslator.cpp:113
F
#define F(x, y, z)
Definition: MD5.cpp:55
I
#define I(x, y, z)
Definition: MD5.cpp:58
Fixup
PowerPC TLS Dynamic Call Fixup
Definition: PPCTLSDynamicCall.cpp:340
assert
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
Statistic.h
This file defines the 'Statistic' class, which is designed to be an easy way to expose various metric...
STATISTIC
#define STATISTIC(VARNAME, DESC)
Definition: Statistic.h:166
llvm::HexagonMCCodeEmitter::encodeSingleInstruction
void encodeSingleInstruction(const MCInst &MI, SmallVectorImpl< char > &CB, SmallVectorImpl< MCFixup > &Fixups, const MCSubtargetInfo &STI, uint32_t Parse) const
Definition: HexagonMCCodeEmitter.cpp:398
llvm::HexagonMCCodeEmitter::getMachineOpValue
unsigned getMachineOpValue(MCInst const &MI, MCOperand const &MO, SmallVectorImpl< MCFixup > &Fixups, MCSubtargetInfo const &STI) const
Return binary encoding of operand.
Definition: HexagonMCCodeEmitter.cpp:708
llvm::HexagonMCCodeEmitter::getBinaryCodeForInstr
uint64_t getBinaryCodeForInstr(MCInst const &MI, SmallVectorImpl< MCFixup > &Fixups, MCSubtargetInfo const &STI) const
llvm::HexagonMCCodeEmitter::encodeInstruction
void encodeInstruction(MCInst const &MI, SmallVectorImpl< char > &CB, SmallVectorImpl< MCFixup > &Fixups, MCSubtargetInfo const &STI) const override
Emit the bundle.
Definition: HexagonMCCodeEmitter.cpp:367
llvm::MCBinaryExpr
Binary assembler expressions.
Definition: MCExpr.h:488
llvm::MCBinaryExpr::createAdd
static const MCBinaryExpr * createAdd(const MCExpr *LHS, const MCExpr *RHS, MCContext &Ctx)
Definition: MCExpr.h:532
llvm::MCCodeEmitter
MCCodeEmitter - Generic instruction encoding interface.
Definition: MCCodeEmitter.h:21
llvm::MCConstantExpr::create
static const MCConstantExpr * create(int64_t Value, MCContext &Ctx, bool PrintInHex=false, unsigned SizeInBytes=0)
Definition: MCExpr.cpp:193
llvm::MCContext
Context object for machine code objects.
Definition: MCContext.h:83
llvm::MCContext::getRegisterInfo
const MCRegisterInfo * getRegisterInfo() const
Definition: MCContext.h:414
llvm::MCExpr
Base class for the full range of assembler expressions which are needed for parsing.
Definition: MCExpr.h:34
llvm::MCExpr::SymbolRef
@ SymbolRef
References to labels and assigned expressions.
Definition: MCExpr.h:39
llvm::MCExpr::Binary
@ Binary
Binary expressions.
Definition: MCExpr.h:37
llvm::MCExpr::getKind
ExprKind getKind() const
Definition: MCExpr.h:78
llvm::MCFixup
Encode information on a single operation to perform on a byte sequence (e.g., an encoded instruction)...
Definition: MCFixup.h:71
llvm::MCFixup::create
static MCFixup create(uint32_t Offset, const MCExpr *Value, MCFixupKind Kind, SMLoc Loc=SMLoc())
Definition: MCFixup.h:87
llvm::MCInst
Instances of this class represent a single low-level machine instruction.
Definition: MCInst.h:184
llvm::MCInstrDesc
Describe properties that are true of each instruction in the target description file.
Definition: MCInstrDesc.h:198
llvm::MCInstrDesc::isBranch
bool isBranch() const
Returns true if this is a conditional, unconditional, or indirect branch.
Definition: MCInstrDesc.h:307
llvm::MCInstrDesc::isCall
bool isCall() const
Return true if the instruction is a call.
Definition: MCInstrDesc.h:288
llvm::MCInstrDesc::getOpcode
unsigned getOpcode() const
Return the opcode number for this descriptor.
Definition: MCInstrDesc.h:230
llvm::MCInstrInfo
Interface to description of machine instruction set.
Definition: MCInstrInfo.h:26
llvm::MCOperand
Instances of this class represent operands of the MCInst class.
Definition: MCInst.h:36
llvm::MCOperand::isImm
bool isImm() const
Definition: MCInst.h:62
llvm::MCOperand::getReg
unsigned getReg() const
Returns the register number.
Definition: MCInst.h:69
llvm::MCOperand::isReg
bool isReg() const
Definition: MCInst.h:61
llvm::MCOperand::getExpr
const MCExpr * getExpr() const
Definition: MCInst.h:114
llvm::MCRegisterInfo::getEncodingValue
uint16_t getEncodingValue(MCRegister RegNo) const
Returns the encoding for RegNo.
Definition: MCRegisterInfo.h:461
llvm::MCSubtargetInfo
Generic base class for all target subtargets.
Definition: MCSubtargetInfo.h:76
llvm::MCSymbolRefExpr
Represent a reference to a symbol from inside an expression.
Definition: MCExpr.h:188
llvm::MCSymbolRefExpr::getKind
VariantKind getKind() const
Definition: MCExpr.h:408
llvm::SmallVectorImpl
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
Definition: SmallVector.h:586
llvm::Twine
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
Definition: Twine.h:81
llvm::Value
LLVM Value Representation.
Definition: Value.h:74
llvm::raw_string_ostream
A raw_ostream that writes to an std::string.
Definition: raw_ostream.h:661
llvm::raw_string_ostream::str
std::string & str()
Returns the string's reference.
Definition: raw_ostream.h:679
uint32_t
uint64_t
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition: ErrorHandling.h:143
llvm::CallingConv::C
@ C
The default llvm calling convention, compatible with C.
Definition: CallingConv.h:34
llvm::HexagonMCInstrInfo::isExtentSigned
bool isExtentSigned(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:346
llvm::HexagonMCInstrInfo::isOuterLoop
bool isOuterLoop(MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:688
llvm::HexagonMCInstrInfo::bundleSize
size_t bundleSize(MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:116
llvm::HexagonMCInstrInfo::isDuplex
bool isDuplex(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:624
llvm::HexagonMCInstrInfo::getExtentBits
unsigned getExtentBits(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:340
llvm::HexagonMCInstrInfo::isNewValue
bool isNewValue(MCInstrInfo const &MCII, MCInst const &MCI)
Return whether the insn expects newly produced value.
Definition: HexagonMCInstrInfo.cpp:670
llvm::HexagonMCInstrInfo::getExtendableOp
unsigned short getExtendableOp(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:316
llvm::HexagonMCInstrInfo::getDesc
MCInstrDesc const & getDesc(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:255
llvm::HexagonMCInstrInfo::bundleInstructions
iterator_range< Hexagon::PacketIterator > bundleInstructions(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:103
llvm::HexagonMCInstrInfo::isBundle
bool isBundle(MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:539
llvm::HexagonMCInstrInfo::getExpr
MCExpr const & getExpr(MCExpr const &Expr)
Definition: HexagonMCInstrInfo.cpp:310
llvm::HexagonMCInstrInfo::IsSingleConsumerRefPairProducer
bool IsSingleConsumerRefPairProducer(unsigned Producer, unsigned Consumer)
Definition: HexagonMCInstrInfo.cpp:720
llvm::HexagonMCInstrInfo::isExtendable
bool isExtendable(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:628
llvm::HexagonMCInstrInfo::getType
unsigned getType(MCInstrInfo const &MCII, MCInst const &MCI)
Return the Hexagon ISA class for the insn.
Definition: HexagonMCInstrInfo.cpp:423
llvm::HexagonMCInstrInfo::isImmext
bool isImmext(MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:650
llvm::HexagonMCInstrInfo::getNewValueOperand
MCOperand const & getNewValueOperand(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:385
llvm::HexagonMCInstrInfo::isPredicated
bool isPredicated(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:733
llvm::HexagonMCInstrInfo::SubregisterBit
unsigned SubregisterBit(unsigned Consumer, unsigned Producer, unsigned Producer2)
Definition: HexagonMCInstrInfo.cpp:1034
llvm::HexagonMCInstrInfo::s27_2_reloc
bool s27_2_reloc(MCExpr const &Expr)
Definition: HexagonMCInstrInfo.cpp:910
llvm::HexagonMCInstrInfo::isInnerLoop
bool isInnerLoop(MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:654
llvm::HexagonMCInstrInfo::hasNewValue2
bool hasNewValue2(MCInstrInfo const &MCII, MCInst const &MCI)
Return whether the insn produces a second value.
Definition: HexagonMCInstrInfo.cpp:520
llvm::HexagonMCInstrInfo::getExtentAlignment
unsigned getExtentAlignment(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:334
llvm::HexagonMCInstrInfo::getName
StringRef getName(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:374
llvm::HexagonMCInstrInfo::isPredicatedTrue
bool isPredicatedTrue(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:756
llvm::HexagonMCInstrInfo::isVector
bool isVector(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:869
llvm::HexagonMCInstrInfo::getDuplexRegisterNumbering
unsigned getDuplexRegisterNumbering(unsigned Reg)
Definition: HexagonMCInstrInfo.cpp:260
llvm::HexagonMCInstrInfo::isSubInstruction
bool isSubInstruction(MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:809
llvm::HexagonMCInstrInfo::getNewValueOperand2
MCOperand const & getNewValueOperand2(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:411
llvm::HexagonMCInstrInfo::isExtended
bool isExtended(MCInstrInfo const &MCII, MCInst const &MCI)
Definition: HexagonMCInstrInfo.cpp:634
llvm::HexagonMCInstrInfo::hasNewValue
bool hasNewValue(MCInstrInfo const &MCII, MCInst const &MCI)
Return whether the insn produces a value.
Definition: HexagonMCInstrInfo.cpp:513
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
llvm::Offset
@ Offset
Definition: DWP.cpp:480
llvm::createHexagonMCCodeEmitter
MCCodeEmitter * createHexagonMCCodeEmitter(const MCInstrInfo &MCII, MCContext &MCT)
Definition: HexagonMCCodeEmitter.cpp:789
llvm::dbgs
raw_ostream & dbgs()
dbgs() - This returns a reference to a raw_ostream for debugging messages.
Definition: Debug.cpp:163
llvm::report_fatal_error
void report_fatal_error(Error Err, bool gen_crash_diag=true)
Report a serious error, calling any installed error handler.
Definition: Error.cpp:167
llvm::MCFixupKind
MCFixupKind
Extensible enumeration to represent the type of a fixup.
Definition: MCFixup.h:21
llvm::is_contained
bool is_contained(R &&Range, const E &Element)
Returns true if Element is found in Range.
Definition: STLExtras.h:1886
raw_ostream.h
N
#define N
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