1 //===-- SelectionDAGDumper.cpp - Implement SelectionDAG::dump() -----------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This implements the SelectionDAG::dump method and friends.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/CodeGen/SelectionDAG.h"
15 #include "ScheduleDAGSDNodes.h"
16 #include "llvm/ADT/StringExtras.h"
17 #include "llvm/Assembly/Writer.h"
18 #include "llvm/CodeGen/MachineConstantPool.h"
19 #include "llvm/CodeGen/MachineFunction.h"
20 #include "llvm/CodeGen/MachineModuleInfo.h"
21 #include "llvm/DebugInfo.h"
22 #include "llvm/IR/Function.h"
23 #include "llvm/IR/Intrinsics.h"
24 #include "llvm/Support/Debug.h"
25 #include "llvm/Support/GraphWriter.h"
26 #include "llvm/Support/raw_ostream.h"
27 #include "llvm/Target/TargetInstrInfo.h"
28 #include "llvm/Target/TargetIntrinsicInfo.h"
29 #include "llvm/Target/TargetMachine.h"
30 #include "llvm/Target/TargetRegisterInfo.h"
31 using namespace llvm;
32
getOperationName(const SelectionDAG * G) const33 std::string SDNode::getOperationName(const SelectionDAG *G) const {
34 switch (getOpcode()) {
35 default:
36 if (getOpcode() < ISD::BUILTIN_OP_END)
37 return "<<Unknown DAG Node>>";
38 if (isMachineOpcode()) {
39 if (G)
40 if (const TargetInstrInfo *TII = G->getTarget().getInstrInfo())
41 if (getMachineOpcode() < TII->getNumOpcodes())
42 return TII->getName(getMachineOpcode());
43 return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>";
44 }
45 if (G) {
46 const TargetLowering &TLI = G->getTargetLoweringInfo();
47 const char *Name = TLI.getTargetNodeName(getOpcode());
48 if (Name) return Name;
49 return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>";
50 }
51 return "<<Unknown Node #" + utostr(getOpcode()) + ">>";
52
53 #ifndef NDEBUG
54 case ISD::DELETED_NODE: return "<<Deleted Node!>>";
55 #endif
56 case ISD::PREFETCH: return "Prefetch";
57 case ISD::MEMBARRIER: return "MemBarrier";
58 case ISD::ATOMIC_FENCE: return "AtomicFence";
59 case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap";
60 case ISD::ATOMIC_SWAP: return "AtomicSwap";
61 case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd";
62 case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub";
63 case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd";
64 case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr";
65 case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor";
66 case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand";
67 case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin";
68 case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax";
69 case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin";
70 case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax";
71 case ISD::ATOMIC_LOAD: return "AtomicLoad";
72 case ISD::ATOMIC_STORE: return "AtomicStore";
73 case ISD::PCMARKER: return "PCMarker";
74 case ISD::READCYCLECOUNTER: return "ReadCycleCounter";
75 case ISD::SRCVALUE: return "SrcValue";
76 case ISD::MDNODE_SDNODE: return "MDNode";
77 case ISD::EntryToken: return "EntryToken";
78 case ISD::TokenFactor: return "TokenFactor";
79 case ISD::AssertSext: return "AssertSext";
80 case ISD::AssertZext: return "AssertZext";
81
82 case ISD::BasicBlock: return "BasicBlock";
83 case ISD::VALUETYPE: return "ValueType";
84 case ISD::Register: return "Register";
85 case ISD::RegisterMask: return "RegisterMask";
86 case ISD::Constant: return "Constant";
87 case ISD::ConstantFP: return "ConstantFP";
88 case ISD::GlobalAddress: return "GlobalAddress";
89 case ISD::GlobalTLSAddress: return "GlobalTLSAddress";
90 case ISD::FrameIndex: return "FrameIndex";
91 case ISD::JumpTable: return "JumpTable";
92 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE";
93 case ISD::RETURNADDR: return "RETURNADDR";
94 case ISD::FRAMEADDR: return "FRAMEADDR";
95 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET";
96 case ISD::EXCEPTIONADDR: return "EXCEPTIONADDR";
97 case ISD::LSDAADDR: return "LSDAADDR";
98 case ISD::EHSELECTION: return "EHSELECTION";
99 case ISD::EH_RETURN: return "EH_RETURN";
100 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP";
101 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP";
102 case ISD::ConstantPool: return "ConstantPool";
103 case ISD::TargetIndex: return "TargetIndex";
104 case ISD::ExternalSymbol: return "ExternalSymbol";
105 case ISD::BlockAddress: return "BlockAddress";
106 case ISD::INTRINSIC_WO_CHAIN:
107 case ISD::INTRINSIC_VOID:
108 case ISD::INTRINSIC_W_CHAIN: {
109 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1;
110 unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue();
111 if (IID < Intrinsic::num_intrinsics)
112 return Intrinsic::getName((Intrinsic::ID)IID);
113 else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo())
114 return TII->getName(IID);
115 llvm_unreachable("Invalid intrinsic ID");
116 }
117
118 case ISD::BUILD_VECTOR: return "BUILD_VECTOR";
119 case ISD::TargetConstant: return "TargetConstant";
120 case ISD::TargetConstantFP: return "TargetConstantFP";
121 case ISD::TargetGlobalAddress: return "TargetGlobalAddress";
122 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress";
123 case ISD::TargetFrameIndex: return "TargetFrameIndex";
124 case ISD::TargetJumpTable: return "TargetJumpTable";
125 case ISD::TargetConstantPool: return "TargetConstantPool";
126 case ISD::TargetExternalSymbol: return "TargetExternalSymbol";
127 case ISD::TargetBlockAddress: return "TargetBlockAddress";
128
129 case ISD::CopyToReg: return "CopyToReg";
130 case ISD::CopyFromReg: return "CopyFromReg";
131 case ISD::UNDEF: return "undef";
132 case ISD::MERGE_VALUES: return "merge_values";
133 case ISD::INLINEASM: return "inlineasm";
134 case ISD::EH_LABEL: return "eh_label";
135 case ISD::HANDLENODE: return "handlenode";
136
137 // Unary operators
138 case ISD::FABS: return "fabs";
139 case ISD::FNEG: return "fneg";
140 case ISD::FSQRT: return "fsqrt";
141 case ISD::FSIN: return "fsin";
142 case ISD::FCOS: return "fcos";
143 case ISD::FSINCOS: return "fsincos";
144 case ISD::FTRUNC: return "ftrunc";
145 case ISD::FFLOOR: return "ffloor";
146 case ISD::FCEIL: return "fceil";
147 case ISD::FRINT: return "frint";
148 case ISD::FNEARBYINT: return "fnearbyint";
149 case ISD::FEXP: return "fexp";
150 case ISD::FEXP2: return "fexp2";
151 case ISD::FLOG: return "flog";
152 case ISD::FLOG2: return "flog2";
153 case ISD::FLOG10: return "flog10";
154
155 // Binary operators
156 case ISD::ADD: return "add";
157 case ISD::SUB: return "sub";
158 case ISD::MUL: return "mul";
159 case ISD::MULHU: return "mulhu";
160 case ISD::MULHS: return "mulhs";
161 case ISD::SDIV: return "sdiv";
162 case ISD::UDIV: return "udiv";
163 case ISD::SREM: return "srem";
164 case ISD::UREM: return "urem";
165 case ISD::SMUL_LOHI: return "smul_lohi";
166 case ISD::UMUL_LOHI: return "umul_lohi";
167 case ISD::SDIVREM: return "sdivrem";
168 case ISD::UDIVREM: return "udivrem";
169 case ISD::AND: return "and";
170 case ISD::OR: return "or";
171 case ISD::XOR: return "xor";
172 case ISD::SHL: return "shl";
173 case ISD::SRA: return "sra";
174 case ISD::SRL: return "srl";
175 case ISD::ROTL: return "rotl";
176 case ISD::ROTR: return "rotr";
177 case ISD::FADD: return "fadd";
178 case ISD::FSUB: return "fsub";
179 case ISD::FMUL: return "fmul";
180 case ISD::FDIV: return "fdiv";
181 case ISD::FMA: return "fma";
182 case ISD::FREM: return "frem";
183 case ISD::FCOPYSIGN: return "fcopysign";
184 case ISD::FGETSIGN: return "fgetsign";
185 case ISD::FPOW: return "fpow";
186
187 case ISD::FPOWI: return "fpowi";
188 case ISD::SETCC: return "setcc";
189 case ISD::SELECT: return "select";
190 case ISD::VSELECT: return "vselect";
191 case ISD::SELECT_CC: return "select_cc";
192 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt";
193 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt";
194 case ISD::CONCAT_VECTORS: return "concat_vectors";
195 case ISD::INSERT_SUBVECTOR: return "insert_subvector";
196 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector";
197 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector";
198 case ISD::VECTOR_SHUFFLE: return "vector_shuffle";
199 case ISD::CARRY_FALSE: return "carry_false";
200 case ISD::ADDC: return "addc";
201 case ISD::ADDE: return "adde";
202 case ISD::SADDO: return "saddo";
203 case ISD::UADDO: return "uaddo";
204 case ISD::SSUBO: return "ssubo";
205 case ISD::USUBO: return "usubo";
206 case ISD::SMULO: return "smulo";
207 case ISD::UMULO: return "umulo";
208 case ISD::SUBC: return "subc";
209 case ISD::SUBE: return "sube";
210 case ISD::SHL_PARTS: return "shl_parts";
211 case ISD::SRA_PARTS: return "sra_parts";
212 case ISD::SRL_PARTS: return "srl_parts";
213
214 // Conversion operators.
215 case ISD::SIGN_EXTEND: return "sign_extend";
216 case ISD::ZERO_EXTEND: return "zero_extend";
217 case ISD::ANY_EXTEND: return "any_extend";
218 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg";
219 case ISD::TRUNCATE: return "truncate";
220 case ISD::FP_ROUND: return "fp_round";
221 case ISD::FLT_ROUNDS_: return "flt_rounds";
222 case ISD::FP_ROUND_INREG: return "fp_round_inreg";
223 case ISD::FP_EXTEND: return "fp_extend";
224
225 case ISD::SINT_TO_FP: return "sint_to_fp";
226 case ISD::UINT_TO_FP: return "uint_to_fp";
227 case ISD::FP_TO_SINT: return "fp_to_sint";
228 case ISD::FP_TO_UINT: return "fp_to_uint";
229 case ISD::BITCAST: return "bitcast";
230 case ISD::FP16_TO_FP32: return "fp16_to_fp32";
231 case ISD::FP32_TO_FP16: return "fp32_to_fp16";
232
233 case ISD::CONVERT_RNDSAT: {
234 switch (cast<CvtRndSatSDNode>(this)->getCvtCode()) {
235 default: llvm_unreachable("Unknown cvt code!");
236 case ISD::CVT_FF: return "cvt_ff";
237 case ISD::CVT_FS: return "cvt_fs";
238 case ISD::CVT_FU: return "cvt_fu";
239 case ISD::CVT_SF: return "cvt_sf";
240 case ISD::CVT_UF: return "cvt_uf";
241 case ISD::CVT_SS: return "cvt_ss";
242 case ISD::CVT_SU: return "cvt_su";
243 case ISD::CVT_US: return "cvt_us";
244 case ISD::CVT_UU: return "cvt_uu";
245 }
246 }
247
248 // Control flow instructions
249 case ISD::BR: return "br";
250 case ISD::BRIND: return "brind";
251 case ISD::BR_JT: return "br_jt";
252 case ISD::BRCOND: return "brcond";
253 case ISD::BR_CC: return "br_cc";
254 case ISD::CALLSEQ_START: return "callseq_start";
255 case ISD::CALLSEQ_END: return "callseq_end";
256
257 // Other operators
258 case ISD::LOAD: return "load";
259 case ISD::STORE: return "store";
260 case ISD::VAARG: return "vaarg";
261 case ISD::VACOPY: return "vacopy";
262 case ISD::VAEND: return "vaend";
263 case ISD::VASTART: return "vastart";
264 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc";
265 case ISD::EXTRACT_ELEMENT: return "extract_element";
266 case ISD::BUILD_PAIR: return "build_pair";
267 case ISD::STACKSAVE: return "stacksave";
268 case ISD::STACKRESTORE: return "stackrestore";
269 case ISD::TRAP: return "trap";
270 case ISD::DEBUGTRAP: return "debugtrap";
271 case ISD::LIFETIME_START: return "lifetime.start";
272 case ISD::LIFETIME_END: return "lifetime.end";
273
274 // Bit manipulation
275 case ISD::BSWAP: return "bswap";
276 case ISD::CTPOP: return "ctpop";
277 case ISD::CTTZ: return "cttz";
278 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef";
279 case ISD::CTLZ: return "ctlz";
280 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef";
281
282 // Trampolines
283 case ISD::INIT_TRAMPOLINE: return "init_trampoline";
284 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline";
285
286 case ISD::CONDCODE:
287 switch (cast<CondCodeSDNode>(this)->get()) {
288 default: llvm_unreachable("Unknown setcc condition!");
289 case ISD::SETOEQ: return "setoeq";
290 case ISD::SETOGT: return "setogt";
291 case ISD::SETOGE: return "setoge";
292 case ISD::SETOLT: return "setolt";
293 case ISD::SETOLE: return "setole";
294 case ISD::SETONE: return "setone";
295
296 case ISD::SETO: return "seto";
297 case ISD::SETUO: return "setuo";
298 case ISD::SETUEQ: return "setue";
299 case ISD::SETUGT: return "setugt";
300 case ISD::SETUGE: return "setuge";
301 case ISD::SETULT: return "setult";
302 case ISD::SETULE: return "setule";
303 case ISD::SETUNE: return "setune";
304
305 case ISD::SETEQ: return "seteq";
306 case ISD::SETGT: return "setgt";
307 case ISD::SETGE: return "setge";
308 case ISD::SETLT: return "setlt";
309 case ISD::SETLE: return "setle";
310 case ISD::SETNE: return "setne";
311
312 case ISD::SETTRUE: return "settrue";
313 case ISD::SETTRUE2: return "settrue2";
314 case ISD::SETFALSE: return "setfalse";
315 case ISD::SETFALSE2: return "setfalse2";
316 }
317 }
318 }
319
getIndexedModeName(ISD::MemIndexedMode AM)320 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
321 switch (AM) {
322 default: return "";
323 case ISD::PRE_INC: return "<pre-inc>";
324 case ISD::PRE_DEC: return "<pre-dec>";
325 case ISD::POST_INC: return "<post-inc>";
326 case ISD::POST_DEC: return "<post-dec>";
327 }
328 }
329
dump() const330 void SDNode::dump() const { dump(0); }
dump(const SelectionDAG * G) const331 void SDNode::dump(const SelectionDAG *G) const {
332 print(dbgs(), G);
333 dbgs() << '\n';
334 }
335
print_types(raw_ostream & OS,const SelectionDAG * G) const336 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
337 OS << (const void*)this << ": ";
338
339 for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
340 if (i) OS << ",";
341 if (getValueType(i) == MVT::Other)
342 OS << "ch";
343 else
344 OS << getValueType(i).getEVTString();
345 }
346 OS << " = " << getOperationName(G);
347 }
348
print_details(raw_ostream & OS,const SelectionDAG * G) const349 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
350 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) {
351 if (!MN->memoperands_empty()) {
352 OS << "<";
353 OS << "Mem:";
354 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
355 e = MN->memoperands_end(); i != e; ++i) {
356 OS << **i;
357 if (llvm::next(i) != e)
358 OS << " ";
359 }
360 OS << ">";
361 }
362 } else if (const ShuffleVectorSDNode *SVN =
363 dyn_cast<ShuffleVectorSDNode>(this)) {
364 OS << "<";
365 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
366 int Idx = SVN->getMaskElt(i);
367 if (i) OS << ",";
368 if (Idx < 0)
369 OS << "u";
370 else
371 OS << Idx;
372 }
373 OS << ">";
374 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
375 OS << '<' << CSDN->getAPIntValue() << '>';
376 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
377 if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle)
378 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
379 else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble)
380 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
381 else {
382 OS << "<APFloat(";
383 CSDN->getValueAPF().bitcastToAPInt().dump();
384 OS << ")>";
385 }
386 } else if (const GlobalAddressSDNode *GADN =
387 dyn_cast<GlobalAddressSDNode>(this)) {
388 int64_t offset = GADN->getOffset();
389 OS << '<';
390 WriteAsOperand(OS, GADN->getGlobal());
391 OS << '>';
392 if (offset > 0)
393 OS << " + " << offset;
394 else
395 OS << " " << offset;
396 if (unsigned int TF = GADN->getTargetFlags())
397 OS << " [TF=" << TF << ']';
398 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
399 OS << "<" << FIDN->getIndex() << ">";
400 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
401 OS << "<" << JTDN->getIndex() << ">";
402 if (unsigned int TF = JTDN->getTargetFlags())
403 OS << " [TF=" << TF << ']';
404 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
405 int offset = CP->getOffset();
406 if (CP->isMachineConstantPoolEntry())
407 OS << "<" << *CP->getMachineCPVal() << ">";
408 else
409 OS << "<" << *CP->getConstVal() << ">";
410 if (offset > 0)
411 OS << " + " << offset;
412 else
413 OS << " " << offset;
414 if (unsigned int TF = CP->getTargetFlags())
415 OS << " [TF=" << TF << ']';
416 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) {
417 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
418 if (unsigned TF = TI->getTargetFlags())
419 OS << " [TF=" << TF << ']';
420 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
421 OS << "<";
422 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
423 if (LBB)
424 OS << LBB->getName() << " ";
425 OS << (const void*)BBDN->getBasicBlock() << ">";
426 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
427 OS << ' ' << PrintReg(R->getReg(), G ? G->getTarget().getRegisterInfo() :0);
428 } else if (const ExternalSymbolSDNode *ES =
429 dyn_cast<ExternalSymbolSDNode>(this)) {
430 OS << "'" << ES->getSymbol() << "'";
431 if (unsigned int TF = ES->getTargetFlags())
432 OS << " [TF=" << TF << ']';
433 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
434 if (M->getValue())
435 OS << "<" << M->getValue() << ">";
436 else
437 OS << "<null>";
438 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) {
439 if (MD->getMD())
440 OS << "<" << MD->getMD() << ">";
441 else
442 OS << "<null>";
443 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
444 OS << ":" << N->getVT().getEVTString();
445 }
446 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
447 OS << "<" << *LD->getMemOperand();
448
449 bool doExt = true;
450 switch (LD->getExtensionType()) {
451 default: doExt = false; break;
452 case ISD::EXTLOAD: OS << ", anyext"; break;
453 case ISD::SEXTLOAD: OS << ", sext"; break;
454 case ISD::ZEXTLOAD: OS << ", zext"; break;
455 }
456 if (doExt)
457 OS << " from " << LD->getMemoryVT().getEVTString();
458
459 const char *AM = getIndexedModeName(LD->getAddressingMode());
460 if (*AM)
461 OS << ", " << AM;
462
463 OS << ">";
464 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
465 OS << "<" << *ST->getMemOperand();
466
467 if (ST->isTruncatingStore())
468 OS << ", trunc to " << ST->getMemoryVT().getEVTString();
469
470 const char *AM = getIndexedModeName(ST->getAddressingMode());
471 if (*AM)
472 OS << ", " << AM;
473
474 OS << ">";
475 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) {
476 OS << "<" << *M->getMemOperand() << ">";
477 } else if (const BlockAddressSDNode *BA =
478 dyn_cast<BlockAddressSDNode>(this)) {
479 int64_t offset = BA->getOffset();
480 OS << "<";
481 WriteAsOperand(OS, BA->getBlockAddress()->getFunction(), false);
482 OS << ", ";
483 WriteAsOperand(OS, BA->getBlockAddress()->getBasicBlock(), false);
484 OS << ">";
485 if (offset > 0)
486 OS << " + " << offset;
487 else
488 OS << " " << offset;
489 if (unsigned int TF = BA->getTargetFlags())
490 OS << " [TF=" << TF << ']';
491 }
492
493 if (G)
494 if (unsigned Order = G->GetOrdering(this))
495 OS << " [ORD=" << Order << ']';
496
497 if (getNodeId() != -1)
498 OS << " [ID=" << getNodeId() << ']';
499
500 DebugLoc dl = getDebugLoc();
501 if (G && !dl.isUnknown()) {
502 DIScope
503 Scope(dl.getScope(G->getMachineFunction().getFunction()->getContext()));
504 OS << " dbg:";
505 // Omit the directory, since it's usually long and uninteresting.
506 if (Scope.Verify())
507 OS << Scope.getFilename();
508 else
509 OS << "<unknown>";
510 OS << ':' << dl.getLine();
511 if (dl.getCol() != 0)
512 OS << ':' << dl.getCol();
513 }
514 }
515
DumpNodes(const SDNode * N,unsigned indent,const SelectionDAG * G)516 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
517 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
518 if (N->getOperand(i).getNode()->hasOneUse())
519 DumpNodes(N->getOperand(i).getNode(), indent+2, G);
520 else
521 dbgs() << "\n" << std::string(indent+2, ' ')
522 << (void*)N->getOperand(i).getNode() << ": <multiple use>";
523
524 dbgs() << '\n';
525 dbgs().indent(indent);
526 N->dump(G);
527 }
528
dump() const529 void SelectionDAG::dump() const {
530 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:";
531
532 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end();
533 I != E; ++I) {
534 const SDNode *N = I;
535 if (!N->hasOneUse() && N != getRoot().getNode())
536 DumpNodes(N, 2, this);
537 }
538
539 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
540 dbgs() << "\n\n";
541 }
542
printr(raw_ostream & OS,const SelectionDAG * G) const543 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
544 print_types(OS, G);
545 print_details(OS, G);
546 }
547
548 typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet;
DumpNodesr(raw_ostream & OS,const SDNode * N,unsigned indent,const SelectionDAG * G,VisitedSDNodeSet & once)549 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent,
550 const SelectionDAG *G, VisitedSDNodeSet &once) {
551 if (!once.insert(N)) // If we've been here before, return now.
552 return;
553
554 // Dump the current SDNode, but don't end the line yet.
555 OS.indent(indent);
556 N->printr(OS, G);
557
558 // Having printed this SDNode, walk the children:
559 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
560 const SDNode *child = N->getOperand(i).getNode();
561
562 if (i) OS << ",";
563 OS << " ";
564
565 if (child->getNumOperands() == 0) {
566 // This child has no grandchildren; print it inline right here.
567 child->printr(OS, G);
568 once.insert(child);
569 } else { // Just the address. FIXME: also print the child's opcode.
570 OS << (const void*)child;
571 if (unsigned RN = N->getOperand(i).getResNo())
572 OS << ":" << RN;
573 }
574 }
575
576 OS << "\n";
577
578 // Dump children that have grandchildren on their own line(s).
579 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
580 const SDNode *child = N->getOperand(i).getNode();
581 DumpNodesr(OS, child, indent+2, G, once);
582 }
583 }
584
dumpr() const585 void SDNode::dumpr() const {
586 VisitedSDNodeSet once;
587 DumpNodesr(dbgs(), this, 0, 0, once);
588 }
589
dumpr(const SelectionDAG * G) const590 void SDNode::dumpr(const SelectionDAG *G) const {
591 VisitedSDNodeSet once;
592 DumpNodesr(dbgs(), this, 0, G, once);
593 }
594
printrWithDepthHelper(raw_ostream & OS,const SDNode * N,const SelectionDAG * G,unsigned depth,unsigned indent)595 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
596 const SelectionDAG *G, unsigned depth,
597 unsigned indent) {
598 if (depth == 0)
599 return;
600
601 OS.indent(indent);
602
603 N->print(OS, G);
604
605 if (depth < 1)
606 return;
607
608 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
609 // Don't follow chain operands.
610 if (N->getOperand(i).getValueType() == MVT::Other)
611 continue;
612 OS << '\n';
613 printrWithDepthHelper(OS, N->getOperand(i).getNode(), G, depth-1, indent+2);
614 }
615 }
616
printrWithDepth(raw_ostream & OS,const SelectionDAG * G,unsigned depth) const617 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
618 unsigned depth) const {
619 printrWithDepthHelper(OS, this, G, depth, 0);
620 }
621
printrFull(raw_ostream & OS,const SelectionDAG * G) const622 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
623 // Don't print impossibly deep things.
624 printrWithDepth(OS, G, 10);
625 }
626
dumprWithDepth(const SelectionDAG * G,unsigned depth) const627 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
628 printrWithDepth(dbgs(), G, depth);
629 }
630
dumprFull(const SelectionDAG * G) const631 void SDNode::dumprFull(const SelectionDAG *G) const {
632 // Don't print impossibly deep things.
633 dumprWithDepth(G, 10);
634 }
635
print(raw_ostream & OS,const SelectionDAG * G) const636 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
637 print_types(OS, G);
638 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
639 if (i) OS << ", "; else OS << " ";
640 OS << (void*)getOperand(i).getNode();
641 if (unsigned RN = getOperand(i).getResNo())
642 OS << ":" << RN;
643 }
644 print_details(OS, G);
645 }
646