1 //===- SelectionDAGDumper.cpp - Implement SelectionDAG::dump() ------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This implements the SelectionDAG::dump method and friends.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "llvm/ADT/APFloat.h"
14 #include "llvm/ADT/APInt.h"
15 #include "llvm/ADT/None.h"
16 #include "llvm/ADT/SmallPtrSet.h"
17 #include "llvm/ADT/StringExtras.h"
18 #include "llvm/CodeGen/ISDOpcodes.h"
19 #include "llvm/CodeGen/MachineBasicBlock.h"
20 #include "llvm/CodeGen/MachineConstantPool.h"
21 #include "llvm/CodeGen/MachineMemOperand.h"
22 #include "llvm/CodeGen/SelectionDAG.h"
23 #include "llvm/CodeGen/SelectionDAGNodes.h"
24 #include "llvm/CodeGen/TargetInstrInfo.h"
25 #include "llvm/CodeGen/TargetLowering.h"
26 #include "llvm/CodeGen/TargetRegisterInfo.h"
27 #include "llvm/CodeGen/TargetSubtargetInfo.h"
28 #include "llvm/CodeGen/ValueTypes.h"
29 #include "llvm/Config/llvm-config.h"
30 #include "llvm/IR/BasicBlock.h"
31 #include "llvm/IR/Constants.h"
32 #include "llvm/IR/DebugInfoMetadata.h"
33 #include "llvm/IR/DebugLoc.h"
34 #include "llvm/IR/Function.h"
35 #include "llvm/IR/Intrinsics.h"
36 #include "llvm/IR/ModuleSlotTracker.h"
37 #include "llvm/IR/Value.h"
38 #include "llvm/Support/Casting.h"
39 #include "llvm/Support/CommandLine.h"
40 #include "llvm/Support/Compiler.h"
41 #include "llvm/Support/Debug.h"
42 #include "llvm/Support/ErrorHandling.h"
43 #include "llvm/Support/MachineValueType.h"
44 #include "llvm/Support/Printable.h"
45 #include "llvm/Support/raw_ostream.h"
46 #include "llvm/Target/TargetIntrinsicInfo.h"
47 #include "llvm/Target/TargetMachine.h"
48 #include "SDNodeDbgValue.h"
49 #include <cstdint>
50 #include <iterator>
51 
52 using namespace llvm;
53 
54 static cl::opt<bool>
55 VerboseDAGDumping("dag-dump-verbose", cl::Hidden,
56                   cl::desc("Display more information when dumping selection "
57                            "DAG nodes."));
58 
59 std::string SDNode::getOperationName(const SelectionDAG *G) const {
60   switch (getOpcode()) {
61   default:
62     if (getOpcode() < ISD::BUILTIN_OP_END)
63       return "<<Unknown DAG Node>>";
64     if (isMachineOpcode()) {
65       if (G)
66         if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo())
67           if (getMachineOpcode() < TII->getNumOpcodes())
68             return std::string(TII->getName(getMachineOpcode()));
69       return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>";
70     }
71     if (G) {
72       const TargetLowering &TLI = G->getTargetLoweringInfo();
73       const char *Name = TLI.getTargetNodeName(getOpcode());
74       if (Name) return Name;
75       return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>";
76     }
77     return "<<Unknown Node #" + utostr(getOpcode()) + ">>";
78 
79 #ifndef NDEBUG
80   case ISD::DELETED_NODE:               return "<<Deleted Node!>>";
81 #endif
82   case ISD::PREFETCH:                   return "Prefetch";
83   case ISD::ATOMIC_FENCE:               return "AtomicFence";
84   case ISD::ATOMIC_CMP_SWAP:            return "AtomicCmpSwap";
85   case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess";
86   case ISD::ATOMIC_SWAP:                return "AtomicSwap";
87   case ISD::ATOMIC_LOAD_ADD:            return "AtomicLoadAdd";
88   case ISD::ATOMIC_LOAD_SUB:            return "AtomicLoadSub";
89   case ISD::ATOMIC_LOAD_AND:            return "AtomicLoadAnd";
90   case ISD::ATOMIC_LOAD_CLR:            return "AtomicLoadClr";
91   case ISD::ATOMIC_LOAD_OR:             return "AtomicLoadOr";
92   case ISD::ATOMIC_LOAD_XOR:            return "AtomicLoadXor";
93   case ISD::ATOMIC_LOAD_NAND:           return "AtomicLoadNand";
94   case ISD::ATOMIC_LOAD_MIN:            return "AtomicLoadMin";
95   case ISD::ATOMIC_LOAD_MAX:            return "AtomicLoadMax";
96   case ISD::ATOMIC_LOAD_UMIN:           return "AtomicLoadUMin";
97   case ISD::ATOMIC_LOAD_UMAX:           return "AtomicLoadUMax";
98   case ISD::ATOMIC_LOAD_FADD:           return "AtomicLoadFAdd";
99   case ISD::ATOMIC_LOAD:                return "AtomicLoad";
100   case ISD::ATOMIC_STORE:               return "AtomicStore";
101   case ISD::PCMARKER:                   return "PCMarker";
102   case ISD::READCYCLECOUNTER:           return "ReadCycleCounter";
103   case ISD::SRCVALUE:                   return "SrcValue";
104   case ISD::MDNODE_SDNODE:              return "MDNode";
105   case ISD::EntryToken:                 return "EntryToken";
106   case ISD::TokenFactor:                return "TokenFactor";
107   case ISD::AssertSext:                 return "AssertSext";
108   case ISD::AssertZext:                 return "AssertZext";
109   case ISD::AssertAlign:                return "AssertAlign";
110 
111   case ISD::BasicBlock:                 return "BasicBlock";
112   case ISD::VALUETYPE:                  return "ValueType";
113   case ISD::Register:                   return "Register";
114   case ISD::RegisterMask:               return "RegisterMask";
115   case ISD::Constant:
116     if (cast<ConstantSDNode>(this)->isOpaque())
117       return "OpaqueConstant";
118     return "Constant";
119   case ISD::ConstantFP:                 return "ConstantFP";
120   case ISD::GlobalAddress:              return "GlobalAddress";
121   case ISD::GlobalTLSAddress:           return "GlobalTLSAddress";
122   case ISD::FrameIndex:                 return "FrameIndex";
123   case ISD::JumpTable:                  return "JumpTable";
124   case ISD::GLOBAL_OFFSET_TABLE:        return "GLOBAL_OFFSET_TABLE";
125   case ISD::RETURNADDR:                 return "RETURNADDR";
126   case ISD::ADDROFRETURNADDR:           return "ADDROFRETURNADDR";
127   case ISD::FRAMEADDR:                  return "FRAMEADDR";
128   case ISD::SPONENTRY:                  return "SPONENTRY";
129   case ISD::LOCAL_RECOVER:              return "LOCAL_RECOVER";
130   case ISD::READ_REGISTER:              return "READ_REGISTER";
131   case ISD::WRITE_REGISTER:             return "WRITE_REGISTER";
132   case ISD::FRAME_TO_ARGS_OFFSET:       return "FRAME_TO_ARGS_OFFSET";
133   case ISD::EH_DWARF_CFA:               return "EH_DWARF_CFA";
134   case ISD::EH_RETURN:                  return "EH_RETURN";
135   case ISD::EH_SJLJ_SETJMP:             return "EH_SJLJ_SETJMP";
136   case ISD::EH_SJLJ_LONGJMP:            return "EH_SJLJ_LONGJMP";
137   case ISD::EH_SJLJ_SETUP_DISPATCH:     return "EH_SJLJ_SETUP_DISPATCH";
138   case ISD::ConstantPool:               return "ConstantPool";
139   case ISD::TargetIndex:                return "TargetIndex";
140   case ISD::ExternalSymbol:             return "ExternalSymbol";
141   case ISD::BlockAddress:               return "BlockAddress";
142   case ISD::INTRINSIC_WO_CHAIN:
143   case ISD::INTRINSIC_VOID:
144   case ISD::INTRINSIC_W_CHAIN: {
145     unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1;
146     unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue();
147     if (IID < Intrinsic::num_intrinsics)
148       return Intrinsic::getName((Intrinsic::ID)IID, None);
149     else if (!G)
150       return "Unknown intrinsic";
151     else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo())
152       return TII->getName(IID);
153     llvm_unreachable("Invalid intrinsic ID");
154   }
155 
156   case ISD::BUILD_VECTOR:               return "BUILD_VECTOR";
157   case ISD::TargetConstant:
158     if (cast<ConstantSDNode>(this)->isOpaque())
159       return "OpaqueTargetConstant";
160     return "TargetConstant";
161   case ISD::TargetConstantFP:           return "TargetConstantFP";
162   case ISD::TargetGlobalAddress:        return "TargetGlobalAddress";
163   case ISD::TargetGlobalTLSAddress:     return "TargetGlobalTLSAddress";
164   case ISD::TargetFrameIndex:           return "TargetFrameIndex";
165   case ISD::TargetJumpTable:            return "TargetJumpTable";
166   case ISD::TargetConstantPool:         return "TargetConstantPool";
167   case ISD::TargetExternalSymbol:       return "TargetExternalSymbol";
168   case ISD::MCSymbol:                   return "MCSymbol";
169   case ISD::TargetBlockAddress:         return "TargetBlockAddress";
170 
171   case ISD::CopyToReg:                  return "CopyToReg";
172   case ISD::CopyFromReg:                return "CopyFromReg";
173   case ISD::UNDEF:                      return "undef";
174   case ISD::VSCALE:                     return "vscale";
175   case ISD::MERGE_VALUES:               return "merge_values";
176   case ISD::INLINEASM:                  return "inlineasm";
177   case ISD::INLINEASM_BR:               return "inlineasm_br";
178   case ISD::EH_LABEL:                   return "eh_label";
179   case ISD::ANNOTATION_LABEL:           return "annotation_label";
180   case ISD::HANDLENODE:                 return "handlenode";
181 
182   // Unary operators
183   case ISD::FABS:                       return "fabs";
184   case ISD::FMINNUM:                    return "fminnum";
185   case ISD::STRICT_FMINNUM:             return "strict_fminnum";
186   case ISD::FMAXNUM:                    return "fmaxnum";
187   case ISD::STRICT_FMAXNUM:             return "strict_fmaxnum";
188   case ISD::FMINNUM_IEEE:               return "fminnum_ieee";
189   case ISD::FMAXNUM_IEEE:               return "fmaxnum_ieee";
190   case ISD::FMINIMUM:                   return "fminimum";
191   case ISD::STRICT_FMINIMUM:            return "strict_fminimum";
192   case ISD::FMAXIMUM:                   return "fmaximum";
193   case ISD::STRICT_FMAXIMUM:            return "strict_fmaximum";
194   case ISD::FNEG:                       return "fneg";
195   case ISD::FSQRT:                      return "fsqrt";
196   case ISD::STRICT_FSQRT:               return "strict_fsqrt";
197   case ISD::FCBRT:                      return "fcbrt";
198   case ISD::FSIN:                       return "fsin";
199   case ISD::STRICT_FSIN:                return "strict_fsin";
200   case ISD::FCOS:                       return "fcos";
201   case ISD::STRICT_FCOS:                return "strict_fcos";
202   case ISD::FSINCOS:                    return "fsincos";
203   case ISD::FTRUNC:                     return "ftrunc";
204   case ISD::STRICT_FTRUNC:              return "strict_ftrunc";
205   case ISD::FFLOOR:                     return "ffloor";
206   case ISD::STRICT_FFLOOR:              return "strict_ffloor";
207   case ISD::FCEIL:                      return "fceil";
208   case ISD::STRICT_FCEIL:               return "strict_fceil";
209   case ISD::FRINT:                      return "frint";
210   case ISD::STRICT_FRINT:               return "strict_frint";
211   case ISD::FNEARBYINT:                 return "fnearbyint";
212   case ISD::STRICT_FNEARBYINT:          return "strict_fnearbyint";
213   case ISD::FROUND:                     return "fround";
214   case ISD::STRICT_FROUND:              return "strict_fround";
215   case ISD::FROUNDEVEN:                 return "froundeven";
216   case ISD::STRICT_FROUNDEVEN:          return "strict_froundeven";
217   case ISD::FEXP:                       return "fexp";
218   case ISD::STRICT_FEXP:                return "strict_fexp";
219   case ISD::FEXP2:                      return "fexp2";
220   case ISD::STRICT_FEXP2:               return "strict_fexp2";
221   case ISD::FLOG:                       return "flog";
222   case ISD::STRICT_FLOG:                return "strict_flog";
223   case ISD::FLOG2:                      return "flog2";
224   case ISD::STRICT_FLOG2:               return "strict_flog2";
225   case ISD::FLOG10:                     return "flog10";
226   case ISD::STRICT_FLOG10:              return "strict_flog10";
227 
228   // Binary operators
229   case ISD::ADD:                        return "add";
230   case ISD::SUB:                        return "sub";
231   case ISD::MUL:                        return "mul";
232   case ISD::MULHU:                      return "mulhu";
233   case ISD::MULHS:                      return "mulhs";
234   case ISD::SDIV:                       return "sdiv";
235   case ISD::UDIV:                       return "udiv";
236   case ISD::SREM:                       return "srem";
237   case ISD::UREM:                       return "urem";
238   case ISD::SMUL_LOHI:                  return "smul_lohi";
239   case ISD::UMUL_LOHI:                  return "umul_lohi";
240   case ISD::SDIVREM:                    return "sdivrem";
241   case ISD::UDIVREM:                    return "udivrem";
242   case ISD::AND:                        return "and";
243   case ISD::OR:                         return "or";
244   case ISD::XOR:                        return "xor";
245   case ISD::SHL:                        return "shl";
246   case ISD::SRA:                        return "sra";
247   case ISD::SRL:                        return "srl";
248   case ISD::ROTL:                       return "rotl";
249   case ISD::ROTR:                       return "rotr";
250   case ISD::FSHL:                       return "fshl";
251   case ISD::FSHR:                       return "fshr";
252   case ISD::FADD:                       return "fadd";
253   case ISD::STRICT_FADD:                return "strict_fadd";
254   case ISD::FSUB:                       return "fsub";
255   case ISD::STRICT_FSUB:                return "strict_fsub";
256   case ISD::FMUL:                       return "fmul";
257   case ISD::STRICT_FMUL:                return "strict_fmul";
258   case ISD::FDIV:                       return "fdiv";
259   case ISD::STRICT_FDIV:                return "strict_fdiv";
260   case ISD::FMA:                        return "fma";
261   case ISD::STRICT_FMA:                 return "strict_fma";
262   case ISD::FMAD:                       return "fmad";
263   case ISD::FREM:                       return "frem";
264   case ISD::STRICT_FREM:                return "strict_frem";
265   case ISD::FCOPYSIGN:                  return "fcopysign";
266   case ISD::FGETSIGN:                   return "fgetsign";
267   case ISD::FCANONICALIZE:              return "fcanonicalize";
268   case ISD::FPOW:                       return "fpow";
269   case ISD::STRICT_FPOW:                return "strict_fpow";
270   case ISD::SMIN:                       return "smin";
271   case ISD::SMAX:                       return "smax";
272   case ISD::UMIN:                       return "umin";
273   case ISD::UMAX:                       return "umax";
274 
275   case ISD::FPOWI:                      return "fpowi";
276   case ISD::STRICT_FPOWI:               return "strict_fpowi";
277   case ISD::SETCC:                      return "setcc";
278   case ISD::SETCCCARRY:                 return "setcccarry";
279   case ISD::STRICT_FSETCC:              return "strict_fsetcc";
280   case ISD::STRICT_FSETCCS:             return "strict_fsetccs";
281   case ISD::SELECT:                     return "select";
282   case ISD::VSELECT:                    return "vselect";
283   case ISD::SELECT_CC:                  return "select_cc";
284   case ISD::INSERT_VECTOR_ELT:          return "insert_vector_elt";
285   case ISD::EXTRACT_VECTOR_ELT:         return "extract_vector_elt";
286   case ISD::CONCAT_VECTORS:             return "concat_vectors";
287   case ISD::INSERT_SUBVECTOR:           return "insert_subvector";
288   case ISD::EXTRACT_SUBVECTOR:          return "extract_subvector";
289   case ISD::SCALAR_TO_VECTOR:           return "scalar_to_vector";
290   case ISD::VECTOR_SHUFFLE:             return "vector_shuffle";
291   case ISD::SPLAT_VECTOR:               return "splat_vector";
292   case ISD::VECTOR_REVERSE:             return "vector_reverse";
293   case ISD::CARRY_FALSE:                return "carry_false";
294   case ISD::ADDC:                       return "addc";
295   case ISD::ADDE:                       return "adde";
296   case ISD::ADDCARRY:                   return "addcarry";
297   case ISD::SADDO_CARRY:                return "saddo_carry";
298   case ISD::SADDO:                      return "saddo";
299   case ISD::UADDO:                      return "uaddo";
300   case ISD::SSUBO:                      return "ssubo";
301   case ISD::USUBO:                      return "usubo";
302   case ISD::SMULO:                      return "smulo";
303   case ISD::UMULO:                      return "umulo";
304   case ISD::SUBC:                       return "subc";
305   case ISD::SUBE:                       return "sube";
306   case ISD::SUBCARRY:                   return "subcarry";
307   case ISD::SSUBO_CARRY:                return "ssubo_carry";
308   case ISD::SHL_PARTS:                  return "shl_parts";
309   case ISD::SRA_PARTS:                  return "sra_parts";
310   case ISD::SRL_PARTS:                  return "srl_parts";
311 
312   case ISD::SADDSAT:                    return "saddsat";
313   case ISD::UADDSAT:                    return "uaddsat";
314   case ISD::SSUBSAT:                    return "ssubsat";
315   case ISD::USUBSAT:                    return "usubsat";
316   case ISD::SSHLSAT:                    return "sshlsat";
317   case ISD::USHLSAT:                    return "ushlsat";
318 
319   case ISD::SMULFIX:                    return "smulfix";
320   case ISD::SMULFIXSAT:                 return "smulfixsat";
321   case ISD::UMULFIX:                    return "umulfix";
322   case ISD::UMULFIXSAT:                 return "umulfixsat";
323 
324   case ISD::SDIVFIX:                    return "sdivfix";
325   case ISD::SDIVFIXSAT:                 return "sdivfixsat";
326   case ISD::UDIVFIX:                    return "udivfix";
327   case ISD::UDIVFIXSAT:                 return "udivfixsat";
328 
329   // Conversion operators.
330   case ISD::SIGN_EXTEND:                return "sign_extend";
331   case ISD::ZERO_EXTEND:                return "zero_extend";
332   case ISD::ANY_EXTEND:                 return "any_extend";
333   case ISD::SIGN_EXTEND_INREG:          return "sign_extend_inreg";
334   case ISD::ANY_EXTEND_VECTOR_INREG:    return "any_extend_vector_inreg";
335   case ISD::SIGN_EXTEND_VECTOR_INREG:   return "sign_extend_vector_inreg";
336   case ISD::ZERO_EXTEND_VECTOR_INREG:   return "zero_extend_vector_inreg";
337   case ISD::TRUNCATE:                   return "truncate";
338   case ISD::FP_ROUND:                   return "fp_round";
339   case ISD::STRICT_FP_ROUND:            return "strict_fp_round";
340   case ISD::FP_EXTEND:                  return "fp_extend";
341   case ISD::STRICT_FP_EXTEND:           return "strict_fp_extend";
342 
343   case ISD::SINT_TO_FP:                 return "sint_to_fp";
344   case ISD::STRICT_SINT_TO_FP:          return "strict_sint_to_fp";
345   case ISD::UINT_TO_FP:                 return "uint_to_fp";
346   case ISD::STRICT_UINT_TO_FP:          return "strict_uint_to_fp";
347   case ISD::FP_TO_SINT:                 return "fp_to_sint";
348   case ISD::STRICT_FP_TO_SINT:          return "strict_fp_to_sint";
349   case ISD::FP_TO_UINT:                 return "fp_to_uint";
350   case ISD::STRICT_FP_TO_UINT:          return "strict_fp_to_uint";
351   case ISD::FP_TO_SINT_SAT:             return "fp_to_sint_sat";
352   case ISD::FP_TO_UINT_SAT:             return "fp_to_uint_sat";
353   case ISD::BITCAST:                    return "bitcast";
354   case ISD::ADDRSPACECAST:              return "addrspacecast";
355   case ISD::FP16_TO_FP:                 return "fp16_to_fp";
356   case ISD::STRICT_FP16_TO_FP:          return "strict_fp16_to_fp";
357   case ISD::FP_TO_FP16:                 return "fp_to_fp16";
358   case ISD::STRICT_FP_TO_FP16:          return "strict_fp_to_fp16";
359   case ISD::LROUND:                     return "lround";
360   case ISD::STRICT_LROUND:              return "strict_lround";
361   case ISD::LLROUND:                    return "llround";
362   case ISD::STRICT_LLROUND:             return "strict_llround";
363   case ISD::LRINT:                      return "lrint";
364   case ISD::STRICT_LRINT:               return "strict_lrint";
365   case ISD::LLRINT:                     return "llrint";
366   case ISD::STRICT_LLRINT:              return "strict_llrint";
367 
368     // Control flow instructions
369   case ISD::BR:                         return "br";
370   case ISD::BRIND:                      return "brind";
371   case ISD::BR_JT:                      return "br_jt";
372   case ISD::BRCOND:                     return "brcond";
373   case ISD::BR_CC:                      return "br_cc";
374   case ISD::CALLSEQ_START:              return "callseq_start";
375   case ISD::CALLSEQ_END:                return "callseq_end";
376 
377     // EH instructions
378   case ISD::CATCHRET:                   return "catchret";
379   case ISD::CLEANUPRET:                 return "cleanupret";
380 
381     // Other operators
382   case ISD::LOAD:                       return "load";
383   case ISD::STORE:                      return "store";
384   case ISD::MLOAD:                      return "masked_load";
385   case ISD::MSTORE:                     return "masked_store";
386   case ISD::MGATHER:                    return "masked_gather";
387   case ISD::MSCATTER:                   return "masked_scatter";
388   case ISD::VAARG:                      return "vaarg";
389   case ISD::VACOPY:                     return "vacopy";
390   case ISD::VAEND:                      return "vaend";
391   case ISD::VASTART:                    return "vastart";
392   case ISD::DYNAMIC_STACKALLOC:         return "dynamic_stackalloc";
393   case ISD::EXTRACT_ELEMENT:            return "extract_element";
394   case ISD::BUILD_PAIR:                 return "build_pair";
395   case ISD::STACKSAVE:                  return "stacksave";
396   case ISD::STACKRESTORE:               return "stackrestore";
397   case ISD::TRAP:                       return "trap";
398   case ISD::DEBUGTRAP:                  return "debugtrap";
399   case ISD::UBSANTRAP:                  return "ubsantrap";
400   case ISD::LIFETIME_START:             return "lifetime.start";
401   case ISD::LIFETIME_END:               return "lifetime.end";
402   case ISD::PSEUDO_PROBE:
403     return "pseudoprobe";
404   case ISD::GC_TRANSITION_START:        return "gc_transition.start";
405   case ISD::GC_TRANSITION_END:          return "gc_transition.end";
406   case ISD::GET_DYNAMIC_AREA_OFFSET:    return "get.dynamic.area.offset";
407   case ISD::FREEZE:                     return "freeze";
408   case ISD::PREALLOCATED_SETUP:
409     return "call_setup";
410   case ISD::PREALLOCATED_ARG:
411     return "call_alloc";
412 
413   // Floating point environment manipulation
414   case ISD::FLT_ROUNDS_:                return "flt_rounds";
415   case ISD::SET_ROUNDING:               return "set_rounding";
416 
417   // Bit manipulation
418   case ISD::ABS:                        return "abs";
419   case ISD::BITREVERSE:                 return "bitreverse";
420   case ISD::BSWAP:                      return "bswap";
421   case ISD::CTPOP:                      return "ctpop";
422   case ISD::CTTZ:                       return "cttz";
423   case ISD::CTTZ_ZERO_UNDEF:            return "cttz_zero_undef";
424   case ISD::CTLZ:                       return "ctlz";
425   case ISD::CTLZ_ZERO_UNDEF:            return "ctlz_zero_undef";
426   case ISD::PARITY:                     return "parity";
427 
428   // Trampolines
429   case ISD::INIT_TRAMPOLINE:            return "init_trampoline";
430   case ISD::ADJUST_TRAMPOLINE:          return "adjust_trampoline";
431 
432   case ISD::CONDCODE:
433     switch (cast<CondCodeSDNode>(this)->get()) {
434     default: llvm_unreachable("Unknown setcc condition!");
435     case ISD::SETOEQ:                   return "setoeq";
436     case ISD::SETOGT:                   return "setogt";
437     case ISD::SETOGE:                   return "setoge";
438     case ISD::SETOLT:                   return "setolt";
439     case ISD::SETOLE:                   return "setole";
440     case ISD::SETONE:                   return "setone";
441 
442     case ISD::SETO:                     return "seto";
443     case ISD::SETUO:                    return "setuo";
444     case ISD::SETUEQ:                   return "setueq";
445     case ISD::SETUGT:                   return "setugt";
446     case ISD::SETUGE:                   return "setuge";
447     case ISD::SETULT:                   return "setult";
448     case ISD::SETULE:                   return "setule";
449     case ISD::SETUNE:                   return "setune";
450 
451     case ISD::SETEQ:                    return "seteq";
452     case ISD::SETGT:                    return "setgt";
453     case ISD::SETGE:                    return "setge";
454     case ISD::SETLT:                    return "setlt";
455     case ISD::SETLE:                    return "setle";
456     case ISD::SETNE:                    return "setne";
457 
458     case ISD::SETTRUE:                  return "settrue";
459     case ISD::SETTRUE2:                 return "settrue2";
460     case ISD::SETFALSE:                 return "setfalse";
461     case ISD::SETFALSE2:                return "setfalse2";
462     }
463   case ISD::VECREDUCE_FADD:             return "vecreduce_fadd";
464   case ISD::VECREDUCE_SEQ_FADD:         return "vecreduce_seq_fadd";
465   case ISD::VECREDUCE_FMUL:             return "vecreduce_fmul";
466   case ISD::VECREDUCE_SEQ_FMUL:         return "vecreduce_seq_fmul";
467   case ISD::VECREDUCE_ADD:              return "vecreduce_add";
468   case ISD::VECREDUCE_MUL:              return "vecreduce_mul";
469   case ISD::VECREDUCE_AND:              return "vecreduce_and";
470   case ISD::VECREDUCE_OR:               return "vecreduce_or";
471   case ISD::VECREDUCE_XOR:              return "vecreduce_xor";
472   case ISD::VECREDUCE_SMAX:             return "vecreduce_smax";
473   case ISD::VECREDUCE_SMIN:             return "vecreduce_smin";
474   case ISD::VECREDUCE_UMAX:             return "vecreduce_umax";
475   case ISD::VECREDUCE_UMIN:             return "vecreduce_umin";
476   case ISD::VECREDUCE_FMAX:             return "vecreduce_fmax";
477   case ISD::VECREDUCE_FMIN:             return "vecreduce_fmin";
478 
479     // Vector Predication
480 #define BEGIN_REGISTER_VP_SDNODE(SDID, LEGALARG, NAME, ...)                    \
481   case ISD::SDID:                                                              \
482     return #NAME;
483 #include "llvm/IR/VPIntrinsics.def"
484   }
485 }
486 
487 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
488   switch (AM) {
489   default:              return "";
490   case ISD::PRE_INC:    return "<pre-inc>";
491   case ISD::PRE_DEC:    return "<pre-dec>";
492   case ISD::POST_INC:   return "<post-inc>";
493   case ISD::POST_DEC:   return "<post-dec>";
494   }
495 }
496 
497 static Printable PrintNodeId(const SDNode &Node) {
498   return Printable([&Node](raw_ostream &OS) {
499 #ifndef NDEBUG
500     OS << 't' << Node.PersistentId;
501 #else
502     OS << (const void*)&Node;
503 #endif
504   });
505 }
506 
507 // Print the MMO with more information from the SelectionDAG.
508 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
509                             const MachineFunction *MF, const Module *M,
510                             const MachineFrameInfo *MFI,
511                             const TargetInstrInfo *TII, LLVMContext &Ctx) {
512   ModuleSlotTracker MST(M);
513   if (MF)
514     MST.incorporateFunction(MF->getFunction());
515   SmallVector<StringRef, 0> SSNs;
516   MMO.print(OS, MST, SSNs, Ctx, MFI, TII);
517 }
518 
519 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
520                             const SelectionDAG *G) {
521   if (G) {
522     const MachineFunction *MF = &G->getMachineFunction();
523     return printMemOperand(OS, MMO, MF, MF->getFunction().getParent(),
524                            &MF->getFrameInfo(), G->getSubtarget().getInstrInfo(),
525                            *G->getContext());
526   } else {
527     LLVMContext Ctx;
528     return printMemOperand(OS, MMO, /*MF=*/nullptr, /*M=*/nullptr,
529                            /*MFI=*/nullptr, /*TII=*/nullptr, Ctx);
530   }
531 }
532 
533 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
534 LLVM_DUMP_METHOD void SDNode::dump() const { dump(nullptr); }
535 
536 LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const {
537   print(dbgs(), G);
538   dbgs() << '\n';
539 }
540 #endif
541 
542 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
543   for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
544     if (i) OS << ",";
545     if (getValueType(i) == MVT::Other)
546       OS << "ch";
547     else
548       OS << getValueType(i).getEVTString();
549   }
550 }
551 
552 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
553   if (getFlags().hasNoUnsignedWrap())
554     OS << " nuw";
555 
556   if (getFlags().hasNoSignedWrap())
557     OS << " nsw";
558 
559   if (getFlags().hasExact())
560     OS << " exact";
561 
562   if (getFlags().hasNoNaNs())
563     OS << " nnan";
564 
565   if (getFlags().hasNoInfs())
566     OS << " ninf";
567 
568   if (getFlags().hasNoSignedZeros())
569     OS << " nsz";
570 
571   if (getFlags().hasAllowReciprocal())
572     OS << " arcp";
573 
574   if (getFlags().hasAllowContract())
575     OS << " contract";
576 
577   if (getFlags().hasApproximateFuncs())
578     OS << " afn";
579 
580   if (getFlags().hasAllowReassociation())
581     OS << " reassoc";
582 
583   if (getFlags().hasNoFPExcept())
584     OS << " nofpexcept";
585 
586   if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) {
587     if (!MN->memoperands_empty()) {
588       OS << "<";
589       OS << "Mem:";
590       for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
591            e = MN->memoperands_end(); i != e; ++i) {
592         printMemOperand(OS, **i, G);
593         if (std::next(i) != e)
594           OS << " ";
595       }
596       OS << ">";
597     }
598   } else if (const ShuffleVectorSDNode *SVN =
599                dyn_cast<ShuffleVectorSDNode>(this)) {
600     OS << "<";
601     for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
602       int Idx = SVN->getMaskElt(i);
603       if (i) OS << ",";
604       if (Idx < 0)
605         OS << "u";
606       else
607         OS << Idx;
608     }
609     OS << ">";
610   } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
611     OS << '<' << CSDN->getAPIntValue() << '>';
612   } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
613     if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle())
614       OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
615     else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble())
616       OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
617     else {
618       OS << "<APFloat(";
619       CSDN->getValueAPF().bitcastToAPInt().print(OS, false);
620       OS << ")>";
621     }
622   } else if (const GlobalAddressSDNode *GADN =
623              dyn_cast<GlobalAddressSDNode>(this)) {
624     int64_t offset = GADN->getOffset();
625     OS << '<';
626     GADN->getGlobal()->printAsOperand(OS);
627     OS << '>';
628     if (offset > 0)
629       OS << " + " << offset;
630     else
631       OS << " " << offset;
632     if (unsigned int TF = GADN->getTargetFlags())
633       OS << " [TF=" << TF << ']';
634   } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
635     OS << "<" << FIDN->getIndex() << ">";
636   } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
637     OS << "<" << JTDN->getIndex() << ">";
638     if (unsigned int TF = JTDN->getTargetFlags())
639       OS << " [TF=" << TF << ']';
640   } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
641     int offset = CP->getOffset();
642     if (CP->isMachineConstantPoolEntry())
643       OS << "<" << *CP->getMachineCPVal() << ">";
644     else
645       OS << "<" << *CP->getConstVal() << ">";
646     if (offset > 0)
647       OS << " + " << offset;
648     else
649       OS << " " << offset;
650     if (unsigned int TF = CP->getTargetFlags())
651       OS << " [TF=" << TF << ']';
652   } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) {
653     OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
654     if (unsigned TF = TI->getTargetFlags())
655       OS << " [TF=" << TF << ']';
656   } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
657     OS << "<";
658     const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
659     if (LBB)
660       OS << LBB->getName() << " ";
661     OS << (const void*)BBDN->getBasicBlock() << ">";
662   } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
663     OS << ' ' << printReg(R->getReg(),
664                           G ? G->getSubtarget().getRegisterInfo() : nullptr);
665   } else if (const ExternalSymbolSDNode *ES =
666              dyn_cast<ExternalSymbolSDNode>(this)) {
667     OS << "'" << ES->getSymbol() << "'";
668     if (unsigned int TF = ES->getTargetFlags())
669       OS << " [TF=" << TF << ']';
670   } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
671     if (M->getValue())
672       OS << "<" << M->getValue() << ">";
673     else
674       OS << "<null>";
675   } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) {
676     if (MD->getMD())
677       OS << "<" << MD->getMD() << ">";
678     else
679       OS << "<null>";
680   } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
681     OS << ":" << N->getVT().getEVTString();
682   }
683   else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
684     OS << "<";
685 
686     printMemOperand(OS, *LD->getMemOperand(), G);
687 
688     bool doExt = true;
689     switch (LD->getExtensionType()) {
690     default: doExt = false; break;
691     case ISD::EXTLOAD:  OS << ", anyext"; break;
692     case ISD::SEXTLOAD: OS << ", sext"; break;
693     case ISD::ZEXTLOAD: OS << ", zext"; break;
694     }
695     if (doExt)
696       OS << " from " << LD->getMemoryVT().getEVTString();
697 
698     const char *AM = getIndexedModeName(LD->getAddressingMode());
699     if (*AM)
700       OS << ", " << AM;
701 
702     OS << ">";
703   } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
704     OS << "<";
705     printMemOperand(OS, *ST->getMemOperand(), G);
706 
707     if (ST->isTruncatingStore())
708       OS << ", trunc to " << ST->getMemoryVT().getEVTString();
709 
710     const char *AM = getIndexedModeName(ST->getAddressingMode());
711     if (*AM)
712       OS << ", " << AM;
713 
714     OS << ">";
715   } else if (const MaskedLoadSDNode *MLd = dyn_cast<MaskedLoadSDNode>(this)) {
716     OS << "<";
717 
718     printMemOperand(OS, *MLd->getMemOperand(), G);
719 
720     bool doExt = true;
721     switch (MLd->getExtensionType()) {
722     default: doExt = false; break;
723     case ISD::EXTLOAD:  OS << ", anyext"; break;
724     case ISD::SEXTLOAD: OS << ", sext"; break;
725     case ISD::ZEXTLOAD: OS << ", zext"; break;
726     }
727     if (doExt)
728       OS << " from " << MLd->getMemoryVT().getEVTString();
729 
730     const char *AM = getIndexedModeName(MLd->getAddressingMode());
731     if (*AM)
732       OS << ", " << AM;
733 
734     if (MLd->isExpandingLoad())
735       OS << ", expanding";
736 
737     OS << ">";
738   } else if (const MaskedStoreSDNode *MSt = dyn_cast<MaskedStoreSDNode>(this)) {
739     OS << "<";
740     printMemOperand(OS, *MSt->getMemOperand(), G);
741 
742     if (MSt->isTruncatingStore())
743       OS << ", trunc to " << MSt->getMemoryVT().getEVTString();
744 
745     const char *AM = getIndexedModeName(MSt->getAddressingMode());
746     if (*AM)
747       OS << ", " << AM;
748 
749     if (MSt->isCompressingStore())
750       OS << ", compressing";
751 
752     OS << ">";
753   } else if (const auto *MGather = dyn_cast<MaskedGatherSDNode>(this)) {
754     OS << "<";
755     printMemOperand(OS, *MGather->getMemOperand(), G);
756 
757     bool doExt = true;
758     switch (MGather->getExtensionType()) {
759     default: doExt = false; break;
760     case ISD::EXTLOAD:  OS << ", anyext"; break;
761     case ISD::SEXTLOAD: OS << ", sext"; break;
762     case ISD::ZEXTLOAD: OS << ", zext"; break;
763     }
764     if (doExt)
765       OS << " from " << MGather->getMemoryVT().getEVTString();
766 
767     auto Signed = MGather->isIndexSigned() ? "signed" : "unsigned";
768     auto Scaled = MGather->isIndexScaled() ? "scaled" : "unscaled";
769     OS << ", " << Signed << " " << Scaled << " offset";
770 
771     OS << ">";
772   } else if (const auto *MScatter = dyn_cast<MaskedScatterSDNode>(this)) {
773     OS << "<";
774     printMemOperand(OS, *MScatter->getMemOperand(), G);
775 
776     if (MScatter->isTruncatingStore())
777       OS << ", trunc to " << MScatter->getMemoryVT().getEVTString();
778 
779     auto Signed = MScatter->isIndexSigned() ? "signed" : "unsigned";
780     auto Scaled = MScatter->isIndexScaled() ? "scaled" : "unscaled";
781     OS << ", " << Signed << " " << Scaled << " offset";
782 
783     OS << ">";
784   } else if (const MemSDNode *M = dyn_cast<MemSDNode>(this)) {
785     OS << "<";
786     printMemOperand(OS, *M->getMemOperand(), G);
787     OS << ">";
788   } else if (const BlockAddressSDNode *BA =
789                dyn_cast<BlockAddressSDNode>(this)) {
790     int64_t offset = BA->getOffset();
791     OS << "<";
792     BA->getBlockAddress()->getFunction()->printAsOperand(OS, false);
793     OS << ", ";
794     BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false);
795     OS << ">";
796     if (offset > 0)
797       OS << " + " << offset;
798     else
799       OS << " " << offset;
800     if (unsigned int TF = BA->getTargetFlags())
801       OS << " [TF=" << TF << ']';
802   } else if (const AddrSpaceCastSDNode *ASC =
803                dyn_cast<AddrSpaceCastSDNode>(this)) {
804     OS << '['
805        << ASC->getSrcAddressSpace()
806        << " -> "
807        << ASC->getDestAddressSpace()
808        << ']';
809   } else if (const LifetimeSDNode *LN = dyn_cast<LifetimeSDNode>(this)) {
810     if (LN->hasOffset())
811       OS << "<" << LN->getOffset() << " to " << LN->getOffset() + LN->getSize() << ">";
812   }
813 
814   if (VerboseDAGDumping) {
815     if (unsigned Order = getIROrder())
816         OS << " [ORD=" << Order << ']';
817 
818     if (getNodeId() != -1)
819       OS << " [ID=" << getNodeId() << ']';
820     if (!(isa<ConstantSDNode>(this) || (isa<ConstantFPSDNode>(this))))
821       OS << " # D:" << isDivergent();
822 
823     if (G && !G->GetDbgValues(this).empty()) {
824       OS << " [NoOfDbgValues=" << G->GetDbgValues(this).size() << ']';
825       for (SDDbgValue *Dbg : G->GetDbgValues(this))
826         if (!Dbg->isInvalidated())
827           Dbg->print(OS);
828     } else if (getHasDebugValue())
829       OS << " [NoOfDbgValues>0]";
830   }
831 }
832 
833 LLVM_DUMP_METHOD void SDDbgValue::print(raw_ostream &OS) const {
834   OS << " DbgVal(Order=" << getOrder() << ')';
835   if (isInvalidated()) OS << "(Invalidated)";
836   if (isEmitted()) OS << "(Emitted)";
837   switch (getKind()) {
838   case SDNODE:
839     if (getSDNode())
840       OS << "(SDNODE=" << PrintNodeId(*getSDNode()) << ':' <<  getResNo() << ')';
841     else
842       OS << "(SDNODE)";
843     break;
844   case CONST:
845     OS << "(CONST)";
846     break;
847   case FRAMEIX:
848     OS << "(FRAMEIX=" << getFrameIx() << ')';
849     break;
850   case VREG:
851     OS << "(VREG=" << getVReg() << ')';
852     break;
853   }
854   if (isIndirect()) OS << "(Indirect)";
855   OS << ":\"" << Var->getName() << '"';
856 #ifndef NDEBUG
857   if (Expr->getNumElements())
858     Expr->dump();
859 #endif
860 }
861 
862 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
863 LLVM_DUMP_METHOD void SDDbgValue::dump() const {
864   if (isInvalidated())
865     return;
866   print(dbgs());
867   dbgs() << "\n";
868 }
869 #endif
870 
871 /// Return true if this node is so simple that we should just print it inline
872 /// if it appears as an operand.
873 static bool shouldPrintInline(const SDNode &Node, const SelectionDAG *G) {
874   // Avoid lots of cluttering when inline printing nodes with associated
875   // DbgValues in verbose mode.
876   if (VerboseDAGDumping && G && !G->GetDbgValues(&Node).empty())
877     return false;
878   if (Node.getOpcode() == ISD::EntryToken)
879     return false;
880   return Node.getNumOperands() == 0;
881 }
882 
883 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
884 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
885   for (const SDValue &Op : N->op_values()) {
886     if (shouldPrintInline(*Op.getNode(), G))
887       continue;
888     if (Op.getNode()->hasOneUse())
889       DumpNodes(Op.getNode(), indent+2, G);
890   }
891 
892   dbgs().indent(indent);
893   N->dump(G);
894 }
895 
896 LLVM_DUMP_METHOD void SelectionDAG::dump() const {
897   dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n";
898 
899   for (const SDNode &N : allnodes()) {
900     if (!N.hasOneUse() && &N != getRoot().getNode() &&
901         (!shouldPrintInline(N, this) || N.use_empty()))
902       DumpNodes(&N, 2, this);
903   }
904 
905   if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
906   dbgs() << "\n";
907 
908   if (VerboseDAGDumping) {
909     if (DbgBegin() != DbgEnd())
910       dbgs() << "SDDbgValues:\n";
911     for (auto *Dbg : make_range(DbgBegin(), DbgEnd()))
912       Dbg->dump();
913     if (ByvalParmDbgBegin() != ByvalParmDbgEnd())
914       dbgs() << "Byval SDDbgValues:\n";
915     for (auto *Dbg : make_range(ByvalParmDbgBegin(), ByvalParmDbgEnd()))
916       Dbg->dump();
917   }
918   dbgs() << "\n";
919 }
920 #endif
921 
922 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
923   OS << PrintNodeId(*this) << ": ";
924   print_types(OS, G);
925   OS << " = " << getOperationName(G);
926   print_details(OS, G);
927 }
928 
929 static bool printOperand(raw_ostream &OS, const SelectionDAG *G,
930                          const SDValue Value) {
931   if (!Value.getNode()) {
932     OS << "<null>";
933     return false;
934   } else if (shouldPrintInline(*Value.getNode(), G)) {
935     OS << Value->getOperationName(G) << ':';
936     Value->print_types(OS, G);
937     Value->print_details(OS, G);
938     return true;
939   } else {
940     OS << PrintNodeId(*Value.getNode());
941     if (unsigned RN = Value.getResNo())
942       OS << ':' << RN;
943     return false;
944   }
945 }
946 
947 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
948 using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>;
949 
950 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent,
951                        const SelectionDAG *G, VisitedSDNodeSet &once) {
952   if (!once.insert(N).second) // If we've been here before, return now.
953     return;
954 
955   // Dump the current SDNode, but don't end the line yet.
956   OS.indent(indent);
957   N->printr(OS, G);
958 
959   // Having printed this SDNode, walk the children:
960   for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
961     if (i) OS << ",";
962     OS << " ";
963 
964     const SDValue Op = N->getOperand(i);
965     bool printedInline = printOperand(OS, G, Op);
966     if (printedInline)
967       once.insert(Op.getNode());
968   }
969 
970   OS << "\n";
971 
972   // Dump children that have grandchildren on their own line(s).
973   for (const SDValue &Op : N->op_values())
974     DumpNodesr(OS, Op.getNode(), indent+2, G, once);
975 }
976 
977 LLVM_DUMP_METHOD void SDNode::dumpr() const {
978   VisitedSDNodeSet once;
979   DumpNodesr(dbgs(), this, 0, nullptr, once);
980 }
981 
982 LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const {
983   VisitedSDNodeSet once;
984   DumpNodesr(dbgs(), this, 0, G, once);
985 }
986 #endif
987 
988 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
989                                   const SelectionDAG *G, unsigned depth,
990                                   unsigned indent) {
991   if (depth == 0)
992     return;
993 
994   OS.indent(indent);
995 
996   N->print(OS, G);
997 
998   if (depth < 1)
999     return;
1000 
1001   for (const SDValue &Op : N->op_values()) {
1002     // Don't follow chain operands.
1003     if (Op.getValueType() == MVT::Other)
1004       continue;
1005     OS << '\n';
1006     printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2);
1007   }
1008 }
1009 
1010 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
1011                             unsigned depth) const {
1012   printrWithDepthHelper(OS, this, G, depth, 0);
1013 }
1014 
1015 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
1016   // Don't print impossibly deep things.
1017   printrWithDepth(OS, G, 10);
1018 }
1019 
1020 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
1021 LLVM_DUMP_METHOD
1022 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
1023   printrWithDepth(dbgs(), G, depth);
1024 }
1025 
1026 LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const {
1027   // Don't print impossibly deep things.
1028   dumprWithDepth(G, 10);
1029 }
1030 #endif
1031 
1032 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
1033   printr(OS, G);
1034   for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
1035     if (i) OS << ", "; else OS << " ";
1036     printOperand(OS, G, getOperand(i));
1037   }
1038   if (DebugLoc DL = getDebugLoc()) {
1039     OS << ", ";
1040     DL.print(OS);
1041   }
1042 }
1043