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SelectionDAGDumper.cpp
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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 
33 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::ATOMIC_FENCE: return "AtomicFence";
58  case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap";
59  case ISD::ATOMIC_SWAP: return "AtomicSwap";
60  case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd";
61  case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub";
62  case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd";
63  case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr";
64  case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor";
65  case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand";
66  case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin";
67  case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax";
68  case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin";
69  case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax";
70  case ISD::ATOMIC_LOAD: return "AtomicLoad";
71  case ISD::ATOMIC_STORE: return "AtomicStore";
72  case ISD::PCMARKER: return "PCMarker";
73  case ISD::READCYCLECOUNTER: return "ReadCycleCounter";
74  case ISD::SRCVALUE: return "SrcValue";
75  case ISD::MDNODE_SDNODE: return "MDNode";
76  case ISD::EntryToken: return "EntryToken";
77  case ISD::TokenFactor: return "TokenFactor";
78  case ISD::AssertSext: return "AssertSext";
79  case ISD::AssertZext: return "AssertZext";
80 
81  case ISD::BasicBlock: return "BasicBlock";
82  case ISD::VALUETYPE: return "ValueType";
83  case ISD::Register: return "Register";
84  case ISD::RegisterMask: return "RegisterMask";
85  case ISD::Constant: return "Constant";
86  case ISD::ConstantFP: return "ConstantFP";
87  case ISD::GlobalAddress: return "GlobalAddress";
88  case ISD::GlobalTLSAddress: return "GlobalTLSAddress";
89  case ISD::FrameIndex: return "FrameIndex";
90  case ISD::JumpTable: return "JumpTable";
91  case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE";
92  case ISD::RETURNADDR: return "RETURNADDR";
93  case ISD::FRAMEADDR: return "FRAMEADDR";
94  case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET";
95  case ISD::EH_RETURN: return "EH_RETURN";
96  case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP";
97  case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP";
98  case ISD::ConstantPool: return "ConstantPool";
99  case ISD::TargetIndex: return "TargetIndex";
100  case ISD::ExternalSymbol: return "ExternalSymbol";
101  case ISD::BlockAddress: return "BlockAddress";
102  case ISD::INTRINSIC_WO_CHAIN:
103  case ISD::INTRINSIC_VOID:
104  case ISD::INTRINSIC_W_CHAIN: {
105  unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1;
106  unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue();
107  if (IID < Intrinsic::num_intrinsics)
108  return Intrinsic::getName((Intrinsic::ID)IID);
109  else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo())
110  return TII->getName(IID);
111  llvm_unreachable("Invalid intrinsic ID");
112  }
113 
114  case ISD::BUILD_VECTOR: return "BUILD_VECTOR";
115  case ISD::TargetConstant: return "TargetConstant";
116  case ISD::TargetConstantFP: return "TargetConstantFP";
117  case ISD::TargetGlobalAddress: return "TargetGlobalAddress";
118  case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress";
119  case ISD::TargetFrameIndex: return "TargetFrameIndex";
120  case ISD::TargetJumpTable: return "TargetJumpTable";
121  case ISD::TargetConstantPool: return "TargetConstantPool";
122  case ISD::TargetExternalSymbol: return "TargetExternalSymbol";
123  case ISD::TargetBlockAddress: return "TargetBlockAddress";
124 
125  case ISD::CopyToReg: return "CopyToReg";
126  case ISD::CopyFromReg: return "CopyFromReg";
127  case ISD::UNDEF: return "undef";
128  case ISD::MERGE_VALUES: return "merge_values";
129  case ISD::INLINEASM: return "inlineasm";
130  case ISD::EH_LABEL: return "eh_label";
131  case ISD::HANDLENODE: return "handlenode";
132 
133  // Unary operators
134  case ISD::FABS: return "fabs";
135  case ISD::FNEG: return "fneg";
136  case ISD::FSQRT: return "fsqrt";
137  case ISD::FSIN: return "fsin";
138  case ISD::FCOS: return "fcos";
139  case ISD::FSINCOS: return "fsincos";
140  case ISD::FTRUNC: return "ftrunc";
141  case ISD::FFLOOR: return "ffloor";
142  case ISD::FCEIL: return "fceil";
143  case ISD::FRINT: return "frint";
144  case ISD::FNEARBYINT: return "fnearbyint";
145  case ISD::FROUND: return "fround";
146  case ISD::FEXP: return "fexp";
147  case ISD::FEXP2: return "fexp2";
148  case ISD::FLOG: return "flog";
149  case ISD::FLOG2: return "flog2";
150  case ISD::FLOG10: return "flog10";
151 
152  // Binary operators
153  case ISD::ADD: return "add";
154  case ISD::SUB: return "sub";
155  case ISD::MUL: return "mul";
156  case ISD::MULHU: return "mulhu";
157  case ISD::MULHS: return "mulhs";
158  case ISD::SDIV: return "sdiv";
159  case ISD::UDIV: return "udiv";
160  case ISD::SREM: return "srem";
161  case ISD::UREM: return "urem";
162  case ISD::SMUL_LOHI: return "smul_lohi";
163  case ISD::UMUL_LOHI: return "umul_lohi";
164  case ISD::SDIVREM: return "sdivrem";
165  case ISD::UDIVREM: return "udivrem";
166  case ISD::AND: return "and";
167  case ISD::OR: return "or";
168  case ISD::XOR: return "xor";
169  case ISD::SHL: return "shl";
170  case ISD::SRA: return "sra";
171  case ISD::SRL: return "srl";
172  case ISD::ROTL: return "rotl";
173  case ISD::ROTR: return "rotr";
174  case ISD::FADD: return "fadd";
175  case ISD::FSUB: return "fsub";
176  case ISD::FMUL: return "fmul";
177  case ISD::FDIV: return "fdiv";
178  case ISD::FMA: return "fma";
179  case ISD::FREM: return "frem";
180  case ISD::FCOPYSIGN: return "fcopysign";
181  case ISD::FGETSIGN: return "fgetsign";
182  case ISD::FPOW: return "fpow";
183 
184  case ISD::FPOWI: return "fpowi";
185  case ISD::SETCC: return "setcc";
186  case ISD::SELECT: return "select";
187  case ISD::VSELECT: return "vselect";
188  case ISD::SELECT_CC: return "select_cc";
189  case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt";
190  case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt";
191  case ISD::CONCAT_VECTORS: return "concat_vectors";
192  case ISD::INSERT_SUBVECTOR: return "insert_subvector";
193  case ISD::EXTRACT_SUBVECTOR: return "extract_subvector";
194  case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector";
195  case ISD::VECTOR_SHUFFLE: return "vector_shuffle";
196  case ISD::CARRY_FALSE: return "carry_false";
197  case ISD::ADDC: return "addc";
198  case ISD::ADDE: return "adde";
199  case ISD::SADDO: return "saddo";
200  case ISD::UADDO: return "uaddo";
201  case ISD::SSUBO: return "ssubo";
202  case ISD::USUBO: return "usubo";
203  case ISD::SMULO: return "smulo";
204  case ISD::UMULO: return "umulo";
205  case ISD::SUBC: return "subc";
206  case ISD::SUBE: return "sube";
207  case ISD::SHL_PARTS: return "shl_parts";
208  case ISD::SRA_PARTS: return "sra_parts";
209  case ISD::SRL_PARTS: return "srl_parts";
210 
211  // Conversion operators.
212  case ISD::SIGN_EXTEND: return "sign_extend";
213  case ISD::ZERO_EXTEND: return "zero_extend";
214  case ISD::ANY_EXTEND: return "any_extend";
215  case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg";
216  case ISD::TRUNCATE: return "truncate";
217  case ISD::FP_ROUND: return "fp_round";
218  case ISD::FLT_ROUNDS_: return "flt_rounds";
219  case ISD::FP_ROUND_INREG: return "fp_round_inreg";
220  case ISD::FP_EXTEND: return "fp_extend";
221 
222  case ISD::SINT_TO_FP: return "sint_to_fp";
223  case ISD::UINT_TO_FP: return "uint_to_fp";
224  case ISD::FP_TO_SINT: return "fp_to_sint";
225  case ISD::FP_TO_UINT: return "fp_to_uint";
226  case ISD::BITCAST: return "bitcast";
227  case ISD::ADDRSPACECAST: return "addrspacecast";
228  case ISD::FP16_TO_FP32: return "fp16_to_fp32";
229  case ISD::FP32_TO_FP16: return "fp32_to_fp16";
230 
231  case ISD::CONVERT_RNDSAT: {
232  switch (cast<CvtRndSatSDNode>(this)->getCvtCode()) {
233  default: llvm_unreachable("Unknown cvt code!");
234  case ISD::CVT_FF: return "cvt_ff";
235  case ISD::CVT_FS: return "cvt_fs";
236  case ISD::CVT_FU: return "cvt_fu";
237  case ISD::CVT_SF: return "cvt_sf";
238  case ISD::CVT_UF: return "cvt_uf";
239  case ISD::CVT_SS: return "cvt_ss";
240  case ISD::CVT_SU: return "cvt_su";
241  case ISD::CVT_US: return "cvt_us";
242  case ISD::CVT_UU: return "cvt_uu";
243  }
244  }
245 
246  // Control flow instructions
247  case ISD::BR: return "br";
248  case ISD::BRIND: return "brind";
249  case ISD::BR_JT: return "br_jt";
250  case ISD::BRCOND: return "brcond";
251  case ISD::BR_CC: return "br_cc";
252  case ISD::CALLSEQ_START: return "callseq_start";
253  case ISD::CALLSEQ_END: return "callseq_end";
254 
255  // Other operators
256  case ISD::LOAD: return "load";
257  case ISD::STORE: return "store";
258  case ISD::VAARG: return "vaarg";
259  case ISD::VACOPY: return "vacopy";
260  case ISD::VAEND: return "vaend";
261  case ISD::VASTART: return "vastart";
262  case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc";
263  case ISD::EXTRACT_ELEMENT: return "extract_element";
264  case ISD::BUILD_PAIR: return "build_pair";
265  case ISD::STACKSAVE: return "stacksave";
266  case ISD::STACKRESTORE: return "stackrestore";
267  case ISD::TRAP: return "trap";
268  case ISD::DEBUGTRAP: return "debugtrap";
269  case ISD::LIFETIME_START: return "lifetime.start";
270  case ISD::LIFETIME_END: return "lifetime.end";
271 
272  // Bit manipulation
273  case ISD::BSWAP: return "bswap";
274  case ISD::CTPOP: return "ctpop";
275  case ISD::CTTZ: return "cttz";
276  case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef";
277  case ISD::CTLZ: return "ctlz";
278  case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef";
279 
280  // Trampolines
281  case ISD::INIT_TRAMPOLINE: return "init_trampoline";
282  case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline";
283 
284  case ISD::CONDCODE:
285  switch (cast<CondCodeSDNode>(this)->get()) {
286  default: llvm_unreachable("Unknown setcc condition!");
287  case ISD::SETOEQ: return "setoeq";
288  case ISD::SETOGT: return "setogt";
289  case ISD::SETOGE: return "setoge";
290  case ISD::SETOLT: return "setolt";
291  case ISD::SETOLE: return "setole";
292  case ISD::SETONE: return "setone";
293 
294  case ISD::SETO: return "seto";
295  case ISD::SETUO: return "setuo";
296  case ISD::SETUEQ: return "setue";
297  case ISD::SETUGT: return "setugt";
298  case ISD::SETUGE: return "setuge";
299  case ISD::SETULT: return "setult";
300  case ISD::SETULE: return "setule";
301  case ISD::SETUNE: return "setune";
302 
303  case ISD::SETEQ: return "seteq";
304  case ISD::SETGT: return "setgt";
305  case ISD::SETGE: return "setge";
306  case ISD::SETLT: return "setlt";
307  case ISD::SETLE: return "setle";
308  case ISD::SETNE: return "setne";
309 
310  case ISD::SETTRUE: return "settrue";
311  case ISD::SETTRUE2: return "settrue2";
312  case ISD::SETFALSE: return "setfalse";
313  case ISD::SETFALSE2: return "setfalse2";
314  }
315  }
316 }
317 
318 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
319  switch (AM) {
320  default: return "";
321  case ISD::PRE_INC: return "<pre-inc>";
322  case ISD::PRE_DEC: return "<pre-dec>";
323  case ISD::POST_INC: return "<post-inc>";
324  case ISD::POST_DEC: return "<post-dec>";
325  }
326 }
327 
328 void SDNode::dump() const { dump(0); }
329 void SDNode::dump(const SelectionDAG *G) const {
330  print(dbgs(), G);
331  dbgs() << '\n';
332 }
333 
334 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
335  OS << (const void*)this << ": ";
336 
337  for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
338  if (i) OS << ",";
339  if (getValueType(i) == MVT::Other)
340  OS << "ch";
341  else
342  OS << getValueType(i).getEVTString();
343  }
344  OS << " = " << getOperationName(G);
345 }
346 
347 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
348  if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) {
349  if (!MN->memoperands_empty()) {
350  OS << "<";
351  OS << "Mem:";
352  for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
353  e = MN->memoperands_end(); i != e; ++i) {
354  OS << **i;
355  if (llvm::next(i) != e)
356  OS << " ";
357  }
358  OS << ">";
359  }
360  } else if (const ShuffleVectorSDNode *SVN =
361  dyn_cast<ShuffleVectorSDNode>(this)) {
362  OS << "<";
363  for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
364  int Idx = SVN->getMaskElt(i);
365  if (i) OS << ",";
366  if (Idx < 0)
367  OS << "u";
368  else
369  OS << Idx;
370  }
371  OS << ">";
372  } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
373  OS << '<' << CSDN->getAPIntValue() << '>';
374  } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
375  if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle)
376  OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
377  else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble)
378  OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
379  else {
380  OS << "<APFloat(";
381  CSDN->getValueAPF().bitcastToAPInt().dump();
382  OS << ")>";
383  }
384  } else if (const GlobalAddressSDNode *GADN =
385  dyn_cast<GlobalAddressSDNode>(this)) {
386  int64_t offset = GADN->getOffset();
387  OS << '<';
388  WriteAsOperand(OS, GADN->getGlobal());
389  OS << '>';
390  if (offset > 0)
391  OS << " + " << offset;
392  else
393  OS << " " << offset;
394  if (unsigned int TF = GADN->getTargetFlags())
395  OS << " [TF=" << TF << ']';
396  } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
397  OS << "<" << FIDN->getIndex() << ">";
398  } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
399  OS << "<" << JTDN->getIndex() << ">";
400  if (unsigned int TF = JTDN->getTargetFlags())
401  OS << " [TF=" << TF << ']';
402  } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
403  int offset = CP->getOffset();
404  if (CP->isMachineConstantPoolEntry())
405  OS << "<" << *CP->getMachineCPVal() << ">";
406  else
407  OS << "<" << *CP->getConstVal() << ">";
408  if (offset > 0)
409  OS << " + " << offset;
410  else
411  OS << " " << offset;
412  if (unsigned int TF = CP->getTargetFlags())
413  OS << " [TF=" << TF << ']';
414  } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) {
415  OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
416  if (unsigned TF = TI->getTargetFlags())
417  OS << " [TF=" << TF << ']';
418  } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
419  OS << "<";
420  const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
421  if (LBB)
422  OS << LBB->getName() << " ";
423  OS << (const void*)BBDN->getBasicBlock() << ">";
424  } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
425  OS << ' ' << PrintReg(R->getReg(), G ? G->getTarget().getRegisterInfo() :0);
426  } else if (const ExternalSymbolSDNode *ES =
427  dyn_cast<ExternalSymbolSDNode>(this)) {
428  OS << "'" << ES->getSymbol() << "'";
429  if (unsigned int TF = ES->getTargetFlags())
430  OS << " [TF=" << TF << ']';
431  } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
432  if (M->getValue())
433  OS << "<" << M->getValue() << ">";
434  else
435  OS << "<null>";
436  } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) {
437  if (MD->getMD())
438  OS << "<" << MD->getMD() << ">";
439  else
440  OS << "<null>";
441  } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
442  OS << ":" << N->getVT().getEVTString();
443  }
444  else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
445  OS << "<" << *LD->getMemOperand();
446 
447  bool doExt = true;
448  switch (LD->getExtensionType()) {
449  default: doExt = false; break;
450  case ISD::EXTLOAD: OS << ", anyext"; break;
451  case ISD::SEXTLOAD: OS << ", sext"; break;
452  case ISD::ZEXTLOAD: OS << ", zext"; break;
453  }
454  if (doExt)
455  OS << " from " << LD->getMemoryVT().getEVTString();
456 
457  const char *AM = getIndexedModeName(LD->getAddressingMode());
458  if (*AM)
459  OS << ", " << AM;
460 
461  OS << ">";
462  } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
463  OS << "<" << *ST->getMemOperand();
464 
465  if (ST->isTruncatingStore())
466  OS << ", trunc to " << ST->getMemoryVT().getEVTString();
467 
468  const char *AM = getIndexedModeName(ST->getAddressingMode());
469  if (*AM)
470  OS << ", " << AM;
471 
472  OS << ">";
473  } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) {
474  OS << "<" << *M->getMemOperand() << ">";
475  } else if (const BlockAddressSDNode *BA =
476  dyn_cast<BlockAddressSDNode>(this)) {
477  int64_t offset = BA->getOffset();
478  OS << "<";
479  WriteAsOperand(OS, BA->getBlockAddress()->getFunction(), false);
480  OS << ", ";
481  WriteAsOperand(OS, BA->getBlockAddress()->getBasicBlock(), false);
482  OS << ">";
483  if (offset > 0)
484  OS << " + " << offset;
485  else
486  OS << " " << offset;
487  if (unsigned int TF = BA->getTargetFlags())
488  OS << " [TF=" << TF << ']';
489  } else if (const AddrSpaceCastSDNode *ASC =
490  dyn_cast<AddrSpaceCastSDNode>(this)) {
491  OS << '['
492  << ASC->getSrcAddressSpace()
493  << " -> "
494  << ASC->getDestAddressSpace()
495  << ']';
496  }
497 
498  if (unsigned Order = getIROrder())
499  OS << " [ORD=" << Order << ']';
500 
501  if (getNodeId() != -1)
502  OS << " [ID=" << getNodeId() << ']';
503 
504  DebugLoc dl = getDebugLoc();
505  if (G && !dl.isUnknown()) {
506  DIScope
507  Scope(dl.getScope(G->getMachineFunction().getFunction()->getContext()));
508  OS << " dbg:";
509  assert((!Scope || Scope.isScope()) &&
510  "Scope of a DebugLoc should be null or a DIScope.");
511  // Omit the directory, since it's usually long and uninteresting.
512  if (Scope)
513  OS << Scope.getFilename();
514  else
515  OS << "<unknown>";
516  OS << ':' << dl.getLine();
517  if (dl.getCol() != 0)
518  OS << ':' << dl.getCol();
519  }
520 }
521 
522 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
523  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
524  if (N->getOperand(i).getNode()->hasOneUse())
525  DumpNodes(N->getOperand(i).getNode(), indent+2, G);
526  else
527  dbgs() << "\n" << std::string(indent+2, ' ')
528  << (void*)N->getOperand(i).getNode() << ": <multiple use>";
529 
530  dbgs() << '\n';
531  dbgs().indent(indent);
532  N->dump(G);
533 }
534 
535 void SelectionDAG::dump() const {
536  dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:";
537 
538  for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end();
539  I != E; ++I) {
540  const SDNode *N = I;
541  if (!N->hasOneUse() && N != getRoot().getNode())
542  DumpNodes(N, 2, this);
543  }
544 
545  if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
546  dbgs() << "\n\n";
547 }
548 
549 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
550  print_types(OS, G);
551  print_details(OS, G);
552 }
553 
554 typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet;
555 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent,
556  const SelectionDAG *G, VisitedSDNodeSet &once) {
557  if (!once.insert(N)) // If we've been here before, return now.
558  return;
559 
560  // Dump the current SDNode, but don't end the line yet.
561  OS.indent(indent);
562  N->printr(OS, G);
563 
564  // Having printed this SDNode, walk the children:
565  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
566  const SDNode *child = N->getOperand(i).getNode();
567 
568  if (i) OS << ",";
569  OS << " ";
570 
571  if (child->getNumOperands() == 0) {
572  // This child has no grandchildren; print it inline right here.
573  child->printr(OS, G);
574  once.insert(child);
575  } else { // Just the address. FIXME: also print the child's opcode.
576  OS << (const void*)child;
577  if (unsigned RN = N->getOperand(i).getResNo())
578  OS << ":" << RN;
579  }
580  }
581 
582  OS << "\n";
583 
584  // Dump children that have grandchildren on their own line(s).
585  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
586  const SDNode *child = N->getOperand(i).getNode();
587  DumpNodesr(OS, child, indent+2, G, once);
588  }
589 }
590 
591 void SDNode::dumpr() const {
592  VisitedSDNodeSet once;
593  DumpNodesr(dbgs(), this, 0, 0, once);
594 }
595 
596 void SDNode::dumpr(const SelectionDAG *G) const {
597  VisitedSDNodeSet once;
598  DumpNodesr(dbgs(), this, 0, G, once);
599 }
600 
601 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
602  const SelectionDAG *G, unsigned depth,
603  unsigned indent) {
604  if (depth == 0)
605  return;
606 
607  OS.indent(indent);
608 
609  N->print(OS, G);
610 
611  if (depth < 1)
612  return;
613 
614  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
615  // Don't follow chain operands.
616  if (N->getOperand(i).getValueType() == MVT::Other)
617  continue;
618  OS << '\n';
619  printrWithDepthHelper(OS, N->getOperand(i).getNode(), G, depth-1, indent+2);
620  }
621 }
622 
623 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
624  unsigned depth) const {
625  printrWithDepthHelper(OS, this, G, depth, 0);
626 }
627 
628 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
629  // Don't print impossibly deep things.
630  printrWithDepth(OS, G, 10);
631 }
632 
633 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
634  printrWithDepth(dbgs(), G, depth);
635 }
636 
637 void SDNode::dumprFull(const SelectionDAG *G) const {
638  // Don't print impossibly deep things.
639  dumprWithDepth(G, 10);
640 }
641 
642 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
643  print_types(OS, G);
644  for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
645  if (i) OS << ", "; else OS << " ";
646  OS << (void*)getOperand(i).getNode();
647  if (unsigned RN = getOperand(i).getResNo())
648  OS << ":" << RN;
649  }
650  print_details(OS, G);
651 }
llvm::SDNode::dump
void dump() const
dump - Dump this node, for debugging.
Definition: SelectionDAGDumper.cpp:328
llvm::ISD::BasicBlock
Various leaf nodes.
Definition: ISDOpcodes.h:60
llvm::SDNode::hasOneUse
bool hasOneUse() const
Definition: SelectionDAGNodes.h:406
llvm::APFloat::IEEEdouble
static const fltSemantics IEEEdouble
Definition: APFloat.h:133
DumpNodes
static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G)
Definition: SelectionDAGDumper.cpp:522
llvm::SelectionDAG::getTarget
const TargetMachine & getTarget() const
Definition: SelectionDAG.h:281
llvm::raw_ostream::indent
raw_ostream & indent(unsigned NumSpaces)
indent - Insert 'NumSpaces' spaces.
Definition: raw_ostream.cpp:392
llvm::SmallPtrSet::insert
bool insert(PtrType Ptr)
Definition: SmallPtrSet.h:253
llvm::SDNode::getOpcode
unsigned getOpcode() const
Definition: SelectionDAGNodes.h:369
llvm::SDNode::getNumOperands
unsigned getNumOperands() const
Definition: SelectionDAGNodes.h:548
llvm::SDNode::getOperand
const SDValue & getOperand(unsigned Num) const
Definition: SelectionDAGNodes.h:554
llvm::ISD::SSUBO
Same for subtraction.
Definition: ISDOpcodes.h:216
VisitedSDNodeSet
SmallPtrSet< const SDNode *, 128 > VisitedSDNodeSet
Definition: SelectionDAGDumper.cpp:554
llvm::SDNode::printrFull
void printrFull(raw_ostream &O, const SelectionDAG *G=0) const
Definition: SelectionDAGDumper.cpp:628
llvm::ISD::GLOBAL_OFFSET_TABLE
The address of the GOT.
Definition: ISDOpcodes.h:66
llvm::ISD::EntryToken
EntryToken - This is the marker used to indicate the start of a region.
Definition: ISDOpcodes.h:45
llvm::SDValue::getResNo
unsigned getResNo() const
get the index which selects a specific result in the SDNode
Definition: SelectionDAGNodes.h:102
llvm::SDNode::dumpr
void dumpr() const
dumpr - Dump (recursively) this node and its use-def subgraph.
Definition: SelectionDAGDumper.cpp:591
llvm::WriteAsOperand
void WriteAsOperand(raw_ostream &, const Value *, bool PrintTy=true, const Module *Context=0)
Definition: AsmWriter.cpp:1179
llvm::SDNode::print_types
void print_types(raw_ostream &OS, const SelectionDAG *G) const
Definition: SelectionDAGDumper.cpp:334
llvm::TargetLowering::getTargetNodeName
virtual const char * getTargetNodeName(unsigned Opcode) const
This method returns the name of a target specific DAG node.
Definition: TargetLowering.cpp:41
llvm::EVT::getEVTString
std::string getEVTString() const
getEVTString - This function returns value type as a string, e.g. "i32".
Definition: ValueTypes.cpp:106
llvm::ISD::PCMARKER
PCMARKER - This corresponds to the pcmarker intrinsic.
Definition: ISDOpcodes.h:560
TII
const HexagonInstrInfo * TII
Definition: HexagonCopyToCombine.cpp:115
llvm_unreachable
#define llvm_unreachable(msg)
Definition: ErrorHandling.h:103
llvm::SDNode::getValueType
EVT getValueType(unsigned ResNo) const
Definition: SelectionDAGNodes.h:609
llvm::SelectionDAG::allnodes_end
allnodes_const_iterator allnodes_end() const
Definition: SelectionDAG.h:318
G
#define G(x, y, z)
Definition: MD5.cpp:52
printrWithDepthHelper
static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, const SelectionDAG *G, unsigned depth, unsigned indent)
Definition: SelectionDAGDumper.cpp:601
llvm::SDNode::getNumValues
unsigned getNumValues() const
Definition: SelectionDAGNodes.h:605
llvm::ISD::ADD
Simple integer binary arithmetic operators.
Definition: ISDOpcodes.h:176
llvm::utostr
static std::string utostr(uint64_t X, bool isNeg=false)
Definition: StringExtras.h:88
DumpNodesr
static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, const SelectionDAG *G, VisitedSDNodeSet &once)
Definition: SelectionDAGDumper.cpp:555
llvm::SDNode::getIndexedModeName
static const char * getIndexedModeName(ISD::MemIndexedMode AM)
Definition: SelectionDAGDumper.cpp:318
llvm::ISD::UNDEF
UNDEF - An undefined node.
Definition: ISDOpcodes.h:154
llvm::SDValue::getNode
SDNode * getNode() const
get the SDNode which holds the desired result
Definition: SelectionDAGNodes.h:105
llvm::SDNode::dumprFull
void dumprFull(const SelectionDAG *G=0) const
Definition: SelectionDAGDumper.cpp:637
llvm::ISD::CVT_FS
Float from Float.
Definition: ISDOpcodes.h:802
llvm::ISD::BR
Control flow instructions. These all have token chains.
Definition: ISDOpcodes.h:475
llvm::ISD::FADD
Simple binary floating point operators.
Definition: ISDOpcodes.h:222
llvm::SDNode::printr
void printr(raw_ostream &OS, const SelectionDAG *G=0) const
Definition: SelectionDAGDumper.cpp:549
llvm::next
ItTy next(ItTy it, Dist n)
Definition: STLExtras.h:154
llvm::SDNode::print
void print(raw_ostream &OS, const SelectionDAG *G=0) const
Definition: SelectionDAGDumper.cpp:642
llvm::ISD::TRAP
TRAP - Trapping instruction.
Definition: ISDOpcodes.h:586
llvm::ISD::DEBUGTRAP
DEBUGTRAP - Trap intended to get the attention of a debugger.
Definition: ISDOpcodes.h:589
llvm::ISD::CVT_SU
Signed from Signed.
Definition: ISDOpcodes.h:807
llvm::ISD::CTTZ_ZERO_UNDEF
Bit counting operators with an undefined result for zero inputs.
Definition: ISDOpcodes.h:312
llvm::ISD::FP_EXTEND
X = FP_EXTEND(Y) - Extend a smaller FP type into a larger FP type.
Definition: ISDOpcodes.h:411
llvm::ISD::HANDLENODE
HANDLENODE node - Used as a handle for various purposes.
Definition: ISDOpcodes.h:569
llvm::SelectionDAG::getRoot
const SDValue & getRoot() const
Definition: SelectionDAG.h:328
llvm::SDNode::printrWithDepth
void printrWithDepth(raw_ostream &O, const SelectionDAG *G=0, unsigned depth=100) const
Definition: SelectionDAGDumper.cpp:623
llvm::TargetMachine::getInstrInfo
virtual const TargetInstrInfo * getInstrInfo() const
Definition: Target/TargetMachine.h:119
llvm::ilist_iterator
Definition: ilist.h:50
llvm::SelectionDAG::allnodes_begin
allnodes_const_iterator allnodes_begin() const
Definition: SelectionDAG.h:317
llvm::ISD::CVT_UF
Signed from Float.
Definition: ISDOpcodes.h:805
llvm::ISD::BSWAP
Byte Swap and Counting operators.
Definition: ISDOpcodes.h:309
llvm::ISD::CVT_UU
Unsigned from Signed.
Definition: ISDOpcodes.h:809
llvm::SDNode::dumprWithDepth
void dumprWithDepth(const SelectionDAG *G=0, unsigned depth=100) const
Definition: SelectionDAGDumper.cpp:633
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void print_details(raw_ostream &OS, const SelectionDAG *G) const
Definition: SelectionDAGDumper.cpp:347
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raw_ostream & dbgs()
dbgs - Return a circular-buffered debug stream.
Definition: Debug.cpp:101
llvm::ISD::ZERO_EXTEND
ZERO_EXTEND - Used for integer types, zeroing the new bits.
Definition: ISDOpcodes.h:357
llvm::ISD::ANY_EXTEND
ANY_EXTEND - Used for integer types. The high bits are undefined.
Definition: ISDOpcodes.h:360
llvm::APFloat::IEEEsingle
static const fltSemantics IEEEsingle
Definition: APFloat.h:132
llvm::ISD::AND
Bitwise operators - logical and, logical or, logical xor.
Definition: ISDOpcodes.h:295
llvm::Intrinsic::getName
std::string getName(ID id, ArrayRef< Type * > Tys=None)
Definition: Function.cpp:400
llvm::TargetMachine::getIntrinsicInfo
virtual const TargetIntrinsicInfo * getIntrinsicInfo() const
Definition: Target/TargetMachine.h:145
I
#define I(x, y, z)
Definition: MD5.cpp:54
N
#define N
llvm::ISD::SMULO
Same for multiplication.
Definition: ISDOpcodes.h:219
llvm::ISD::FSINCOS
FSINCOS - Compute both fsin and fcos as a single operation.
Definition: ISDOpcodes.h:454
llvm::SDValue::getValueType
EVT getValueType() const
Definition: SelectionDAGNodes.h:843
llvm::SelectionDAG::getTargetLoweringInfo
const TargetLowering & getTargetLoweringInfo() const
Definition: SelectionDAG.h:282
llvm::raw_ostream
Definition: raw_ostream.h:31
llvm::ISD::CVT_US
Signed from Unsigned.
Definition: ISDOpcodes.h:808
llvm::ISD::CVT_FU
Float from Signed.
Definition: ISDOpcodes.h:803
raw_ostream.h
llvm::ISD::CVT_SS
Unsigned from Float.
Definition: ISDOpcodes.h:806
llvm::ISD::TRUNCATE
TRUNCATE - Completely drop the high bits.
Definition: ISDOpcodes.h:363
llvm::ISD::CVT_SF
Float from Unsigned.
Definition: ISDOpcodes.h:804
llvm::SDNode::isMachineOpcode
bool isMachineOpcode() const
Definition: SelectionDAGNodes.h:384
llvm::SDNode::getMachineOpcode
unsigned getMachineOpcode() const
Definition: SelectionDAGNodes.h:389
llvm::SDNode::getOperationName
std::string getOperationName(const SelectionDAG *G=0) const
Definition: SelectionDAGDumper.cpp:33

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