|  | //===- SelectionDAGDumper.cpp - Implement SelectionDAG::dump() ------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // This implements the SelectionDAG::dump method and friends. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #include "llvm/ADT/APFloat.h" | 
|  | #include "llvm/ADT/APInt.h" | 
|  | #include "llvm/ADT/None.h" | 
|  | #include "llvm/ADT/SmallPtrSet.h" | 
|  | #include "llvm/ADT/StringExtras.h" | 
|  | #include "llvm/CodeGen/ISDOpcodes.h" | 
|  | #include "llvm/CodeGen/MachineBasicBlock.h" | 
|  | #include "llvm/CodeGen/MachineConstantPool.h" | 
|  | #include "llvm/CodeGen/MachineMemOperand.h" | 
|  | #include "llvm/CodeGen/SelectionDAG.h" | 
|  | #include "llvm/CodeGen/SelectionDAGNodes.h" | 
|  | #include "llvm/CodeGen/TargetInstrInfo.h" | 
|  | #include "llvm/CodeGen/TargetLowering.h" | 
|  | #include "llvm/CodeGen/TargetRegisterInfo.h" | 
|  | #include "llvm/CodeGen/TargetSubtargetInfo.h" | 
|  | #include "llvm/CodeGen/ValueTypes.h" | 
|  | #include "llvm/Config/llvm-config.h" | 
|  | #include "llvm/IR/BasicBlock.h" | 
|  | #include "llvm/IR/Constants.h" | 
|  | #include "llvm/IR/DebugInfoMetadata.h" | 
|  | #include "llvm/IR/DebugLoc.h" | 
|  | #include "llvm/IR/Function.h" | 
|  | #include "llvm/IR/Intrinsics.h" | 
|  | #include "llvm/IR/ModuleSlotTracker.h" | 
|  | #include "llvm/IR/Value.h" | 
|  | #include "llvm/Support/Casting.h" | 
|  | #include "llvm/Support/CommandLine.h" | 
|  | #include "llvm/Support/Compiler.h" | 
|  | #include "llvm/Support/Debug.h" | 
|  | #include "llvm/Support/ErrorHandling.h" | 
|  | #include "llvm/Support/MachineValueType.h" | 
|  | #include "llvm/Support/Printable.h" | 
|  | #include "llvm/Support/raw_ostream.h" | 
|  | #include "llvm/Target/TargetIntrinsicInfo.h" | 
|  | #include "llvm/Target/TargetMachine.h" | 
|  | #include "SDNodeDbgValue.h" | 
|  | #include <cstdint> | 
|  | #include <iterator> | 
|  |  | 
|  | using namespace llvm; | 
|  |  | 
|  | static cl::opt<bool> | 
|  | VerboseDAGDumping("dag-dump-verbose", cl::Hidden, | 
|  | cl::desc("Display more information when dumping selection " | 
|  | "DAG nodes.")); | 
|  |  | 
|  | std::string SDNode::getOperationName(const SelectionDAG *G) const { | 
|  | switch (getOpcode()) { | 
|  | default: | 
|  | if (getOpcode() < ISD::BUILTIN_OP_END) | 
|  | return "<<Unknown DAG Node>>"; | 
|  | if (isMachineOpcode()) { | 
|  | if (G) | 
|  | if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo()) | 
|  | if (getMachineOpcode() < TII->getNumOpcodes()) | 
|  | return TII->getName(getMachineOpcode()); | 
|  | return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>"; | 
|  | } | 
|  | if (G) { | 
|  | const TargetLowering &TLI = G->getTargetLoweringInfo(); | 
|  | const char *Name = TLI.getTargetNodeName(getOpcode()); | 
|  | if (Name) return Name; | 
|  | return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>"; | 
|  | } | 
|  | return "<<Unknown Node #" + utostr(getOpcode()) + ">>"; | 
|  |  | 
|  | #ifndef NDEBUG | 
|  | case ISD::DELETED_NODE:               return "<<Deleted Node!>>"; | 
|  | #endif | 
|  | case ISD::PREFETCH:                   return "Prefetch"; | 
|  | case ISD::ATOMIC_FENCE:               return "AtomicFence"; | 
|  | case ISD::ATOMIC_CMP_SWAP:            return "AtomicCmpSwap"; | 
|  | case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess"; | 
|  | case ISD::ATOMIC_SWAP:                return "AtomicSwap"; | 
|  | case ISD::ATOMIC_LOAD_ADD:            return "AtomicLoadAdd"; | 
|  | case ISD::ATOMIC_LOAD_SUB:            return "AtomicLoadSub"; | 
|  | case ISD::ATOMIC_LOAD_AND:            return "AtomicLoadAnd"; | 
|  | case ISD::ATOMIC_LOAD_CLR:            return "AtomicLoadClr"; | 
|  | case ISD::ATOMIC_LOAD_OR:             return "AtomicLoadOr"; | 
|  | case ISD::ATOMIC_LOAD_XOR:            return "AtomicLoadXor"; | 
|  | case ISD::ATOMIC_LOAD_NAND:           return "AtomicLoadNand"; | 
|  | case ISD::ATOMIC_LOAD_MIN:            return "AtomicLoadMin"; | 
|  | case ISD::ATOMIC_LOAD_MAX:            return "AtomicLoadMax"; | 
|  | case ISD::ATOMIC_LOAD_UMIN:           return "AtomicLoadUMin"; | 
|  | case ISD::ATOMIC_LOAD_UMAX:           return "AtomicLoadUMax"; | 
|  | case ISD::ATOMIC_LOAD_FADD:           return "AtomicLoadFAdd"; | 
|  | case ISD::ATOMIC_LOAD:                return "AtomicLoad"; | 
|  | case ISD::ATOMIC_STORE:               return "AtomicStore"; | 
|  | case ISD::PCMARKER:                   return "PCMarker"; | 
|  | case ISD::READCYCLECOUNTER:           return "ReadCycleCounter"; | 
|  | case ISD::SRCVALUE:                   return "SrcValue"; | 
|  | case ISD::MDNODE_SDNODE:              return "MDNode"; | 
|  | case ISD::EntryToken:                 return "EntryToken"; | 
|  | case ISD::TokenFactor:                return "TokenFactor"; | 
|  | case ISD::AssertSext:                 return "AssertSext"; | 
|  | case ISD::AssertZext:                 return "AssertZext"; | 
|  |  | 
|  | case ISD::BasicBlock:                 return "BasicBlock"; | 
|  | case ISD::VALUETYPE:                  return "ValueType"; | 
|  | case ISD::Register:                   return "Register"; | 
|  | case ISD::RegisterMask:               return "RegisterMask"; | 
|  | case ISD::Constant: | 
|  | if (cast<ConstantSDNode>(this)->isOpaque()) | 
|  | return "OpaqueConstant"; | 
|  | return "Constant"; | 
|  | case ISD::ConstantFP:                 return "ConstantFP"; | 
|  | case ISD::GlobalAddress:              return "GlobalAddress"; | 
|  | case ISD::GlobalTLSAddress:           return "GlobalTLSAddress"; | 
|  | case ISD::FrameIndex:                 return "FrameIndex"; | 
|  | case ISD::JumpTable:                  return "JumpTable"; | 
|  | case ISD::GLOBAL_OFFSET_TABLE:        return "GLOBAL_OFFSET_TABLE"; | 
|  | case ISD::RETURNADDR:                 return "RETURNADDR"; | 
|  | case ISD::ADDROFRETURNADDR:           return "ADDROFRETURNADDR"; | 
|  | case ISD::FRAMEADDR:                  return "FRAMEADDR"; | 
|  | case ISD::SPONENTRY:                  return "SPONENTRY"; | 
|  | case ISD::LOCAL_RECOVER:              return "LOCAL_RECOVER"; | 
|  | case ISD::READ_REGISTER:              return "READ_REGISTER"; | 
|  | case ISD::WRITE_REGISTER:             return "WRITE_REGISTER"; | 
|  | case ISD::FRAME_TO_ARGS_OFFSET:       return "FRAME_TO_ARGS_OFFSET"; | 
|  | case ISD::EH_DWARF_CFA:               return "EH_DWARF_CFA"; | 
|  | case ISD::EH_RETURN:                  return "EH_RETURN"; | 
|  | case ISD::EH_SJLJ_SETJMP:             return "EH_SJLJ_SETJMP"; | 
|  | case ISD::EH_SJLJ_LONGJMP:            return "EH_SJLJ_LONGJMP"; | 
|  | case ISD::EH_SJLJ_SETUP_DISPATCH:     return "EH_SJLJ_SETUP_DISPATCH"; | 
|  | case ISD::ConstantPool:               return "ConstantPool"; | 
|  | case ISD::TargetIndex:                return "TargetIndex"; | 
|  | case ISD::ExternalSymbol:             return "ExternalSymbol"; | 
|  | case ISD::BlockAddress:               return "BlockAddress"; | 
|  | case ISD::INTRINSIC_WO_CHAIN: | 
|  | case ISD::INTRINSIC_VOID: | 
|  | case ISD::INTRINSIC_W_CHAIN: { | 
|  | unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1; | 
|  | unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue(); | 
|  | if (IID < Intrinsic::num_intrinsics) | 
|  | return Intrinsic::getName((Intrinsic::ID)IID, None); | 
|  | else if (!G) | 
|  | return "Unknown intrinsic"; | 
|  | else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo()) | 
|  | return TII->getName(IID); | 
|  | llvm_unreachable("Invalid intrinsic ID"); | 
|  | } | 
|  |  | 
|  | case ISD::BUILD_VECTOR:               return "BUILD_VECTOR"; | 
|  | case ISD::TargetConstant: | 
|  | if (cast<ConstantSDNode>(this)->isOpaque()) | 
|  | return "OpaqueTargetConstant"; | 
|  | return "TargetConstant"; | 
|  | case ISD::TargetConstantFP:           return "TargetConstantFP"; | 
|  | case ISD::TargetGlobalAddress:        return "TargetGlobalAddress"; | 
|  | case ISD::TargetGlobalTLSAddress:     return "TargetGlobalTLSAddress"; | 
|  | case ISD::TargetFrameIndex:           return "TargetFrameIndex"; | 
|  | case ISD::TargetJumpTable:            return "TargetJumpTable"; | 
|  | case ISD::TargetConstantPool:         return "TargetConstantPool"; | 
|  | case ISD::TargetExternalSymbol:       return "TargetExternalSymbol"; | 
|  | case ISD::MCSymbol:                   return "MCSymbol"; | 
|  | case ISD::TargetBlockAddress:         return "TargetBlockAddress"; | 
|  |  | 
|  | case ISD::CopyToReg:                  return "CopyToReg"; | 
|  | case ISD::CopyFromReg:                return "CopyFromReg"; | 
|  | case ISD::UNDEF:                      return "undef"; | 
|  | case ISD::MERGE_VALUES:               return "merge_values"; | 
|  | case ISD::INLINEASM:                  return "inlineasm"; | 
|  | case ISD::EH_LABEL:                   return "eh_label"; | 
|  | case ISD::HANDLENODE:                 return "handlenode"; | 
|  |  | 
|  | // Unary operators | 
|  | case ISD::FABS:                       return "fabs"; | 
|  | case ISD::FMINNUM:                    return "fminnum"; | 
|  | case ISD::STRICT_FMINNUM:             return "strict_fminnum"; | 
|  | case ISD::FMAXNUM:                    return "fmaxnum"; | 
|  | case ISD::STRICT_FMAXNUM:             return "strict_fmaxnum"; | 
|  | case ISD::FMINNUM_IEEE:               return "fminnum_ieee"; | 
|  | case ISD::FMAXNUM_IEEE:               return "fmaxnum_ieee"; | 
|  | case ISD::FMINIMUM:                   return "fminimum"; | 
|  | case ISD::FMAXIMUM:                   return "fmaximum"; | 
|  | case ISD::FNEG:                       return "fneg"; | 
|  | case ISD::FSQRT:                      return "fsqrt"; | 
|  | case ISD::STRICT_FSQRT:               return "strict_fsqrt"; | 
|  | case ISD::FCBRT:                      return "fcbrt"; | 
|  | case ISD::FSIN:                       return "fsin"; | 
|  | case ISD::STRICT_FSIN:                return "strict_fsin"; | 
|  | case ISD::FCOS:                       return "fcos"; | 
|  | case ISD::STRICT_FCOS:                return "strict_fcos"; | 
|  | case ISD::FSINCOS:                    return "fsincos"; | 
|  | case ISD::FTRUNC:                     return "ftrunc"; | 
|  | case ISD::STRICT_FTRUNC:              return "strict_ftrunc"; | 
|  | case ISD::FFLOOR:                     return "ffloor"; | 
|  | case ISD::STRICT_FFLOOR:              return "strict_ffloor"; | 
|  | case ISD::FCEIL:                      return "fceil"; | 
|  | case ISD::STRICT_FCEIL:               return "strict_fceil"; | 
|  | case ISD::FRINT:                      return "frint"; | 
|  | case ISD::STRICT_FRINT:               return "strict_frint"; | 
|  | case ISD::FNEARBYINT:                 return "fnearbyint"; | 
|  | case ISD::STRICT_FNEARBYINT:          return "strict_fnearbyint"; | 
|  | case ISD::FROUND:                     return "fround"; | 
|  | case ISD::STRICT_FROUND:              return "strict_fround"; | 
|  | case ISD::FEXP:                       return "fexp"; | 
|  | case ISD::STRICT_FEXP:                return "strict_fexp"; | 
|  | case ISD::FEXP2:                      return "fexp2"; | 
|  | case ISD::STRICT_FEXP2:               return "strict_fexp2"; | 
|  | case ISD::FLOG:                       return "flog"; | 
|  | case ISD::STRICT_FLOG:                return "strict_flog"; | 
|  | case ISD::FLOG2:                      return "flog2"; | 
|  | case ISD::STRICT_FLOG2:               return "strict_flog2"; | 
|  | case ISD::FLOG10:                     return "flog10"; | 
|  | case ISD::STRICT_FLOG10:              return "strict_flog10"; | 
|  |  | 
|  | // Binary operators | 
|  | case ISD::ADD:                        return "add"; | 
|  | case ISD::SUB:                        return "sub"; | 
|  | case ISD::MUL:                        return "mul"; | 
|  | case ISD::MULHU:                      return "mulhu"; | 
|  | case ISD::MULHS:                      return "mulhs"; | 
|  | case ISD::SDIV:                       return "sdiv"; | 
|  | case ISD::UDIV:                       return "udiv"; | 
|  | case ISD::SREM:                       return "srem"; | 
|  | case ISD::UREM:                       return "urem"; | 
|  | case ISD::SMUL_LOHI:                  return "smul_lohi"; | 
|  | case ISD::UMUL_LOHI:                  return "umul_lohi"; | 
|  | case ISD::SDIVREM:                    return "sdivrem"; | 
|  | case ISD::UDIVREM:                    return "udivrem"; | 
|  | case ISD::AND:                        return "and"; | 
|  | case ISD::OR:                         return "or"; | 
|  | case ISD::XOR:                        return "xor"; | 
|  | case ISD::SHL:                        return "shl"; | 
|  | case ISD::SRA:                        return "sra"; | 
|  | case ISD::SRL:                        return "srl"; | 
|  | case ISD::ROTL:                       return "rotl"; | 
|  | case ISD::ROTR:                       return "rotr"; | 
|  | case ISD::FSHL:                       return "fshl"; | 
|  | case ISD::FSHR:                       return "fshr"; | 
|  | case ISD::FADD:                       return "fadd"; | 
|  | case ISD::STRICT_FADD:                return "strict_fadd"; | 
|  | case ISD::FSUB:                       return "fsub"; | 
|  | case ISD::STRICT_FSUB:                return "strict_fsub"; | 
|  | case ISD::FMUL:                       return "fmul"; | 
|  | case ISD::STRICT_FMUL:                return "strict_fmul"; | 
|  | case ISD::FDIV:                       return "fdiv"; | 
|  | case ISD::STRICT_FDIV:                return "strict_fdiv"; | 
|  | case ISD::FMA:                        return "fma"; | 
|  | case ISD::STRICT_FMA:                 return "strict_fma"; | 
|  | case ISD::FMAD:                       return "fmad"; | 
|  | case ISD::FREM:                       return "frem"; | 
|  | case ISD::STRICT_FREM:                return "strict_frem"; | 
|  | case ISD::FCOPYSIGN:                  return "fcopysign"; | 
|  | case ISD::FGETSIGN:                   return "fgetsign"; | 
|  | case ISD::FCANONICALIZE:              return "fcanonicalize"; | 
|  | case ISD::FPOW:                       return "fpow"; | 
|  | case ISD::STRICT_FPOW:                return "strict_fpow"; | 
|  | case ISD::SMIN:                       return "smin"; | 
|  | case ISD::SMAX:                       return "smax"; | 
|  | case ISD::UMIN:                       return "umin"; | 
|  | case ISD::UMAX:                       return "umax"; | 
|  |  | 
|  | case ISD::FPOWI:                      return "fpowi"; | 
|  | case ISD::STRICT_FPOWI:               return "strict_fpowi"; | 
|  | case ISD::SETCC:                      return "setcc"; | 
|  | case ISD::SETCCCARRY:                 return "setcccarry"; | 
|  | case ISD::SELECT:                     return "select"; | 
|  | case ISD::VSELECT:                    return "vselect"; | 
|  | case ISD::SELECT_CC:                  return "select_cc"; | 
|  | case ISD::INSERT_VECTOR_ELT:          return "insert_vector_elt"; | 
|  | case ISD::EXTRACT_VECTOR_ELT:         return "extract_vector_elt"; | 
|  | case ISD::CONCAT_VECTORS:             return "concat_vectors"; | 
|  | case ISD::INSERT_SUBVECTOR:           return "insert_subvector"; | 
|  | case ISD::EXTRACT_SUBVECTOR:          return "extract_subvector"; | 
|  | case ISD::SCALAR_TO_VECTOR:           return "scalar_to_vector"; | 
|  | case ISD::VECTOR_SHUFFLE:             return "vector_shuffle"; | 
|  | case ISD::CARRY_FALSE:                return "carry_false"; | 
|  | case ISD::ADDC:                       return "addc"; | 
|  | case ISD::ADDE:                       return "adde"; | 
|  | case ISD::ADDCARRY:                   return "addcarry"; | 
|  | case ISD::SADDO:                      return "saddo"; | 
|  | case ISD::UADDO:                      return "uaddo"; | 
|  | case ISD::SSUBO:                      return "ssubo"; | 
|  | case ISD::USUBO:                      return "usubo"; | 
|  | case ISD::SMULO:                      return "smulo"; | 
|  | case ISD::UMULO:                      return "umulo"; | 
|  | case ISD::SUBC:                       return "subc"; | 
|  | case ISD::SUBE:                       return "sube"; | 
|  | case ISD::SUBCARRY:                   return "subcarry"; | 
|  | case ISD::SHL_PARTS:                  return "shl_parts"; | 
|  | case ISD::SRA_PARTS:                  return "sra_parts"; | 
|  | case ISD::SRL_PARTS:                  return "srl_parts"; | 
|  |  | 
|  | case ISD::SADDSAT:                    return "saddsat"; | 
|  | case ISD::UADDSAT:                    return "uaddsat"; | 
|  | case ISD::SSUBSAT:                    return "ssubsat"; | 
|  | case ISD::USUBSAT:                    return "usubsat"; | 
|  | case ISD::SMULFIX:                    return "smulfix"; | 
|  |  | 
|  | // Conversion operators. | 
|  | case ISD::SIGN_EXTEND:                return "sign_extend"; | 
|  | case ISD::ZERO_EXTEND:                return "zero_extend"; | 
|  | case ISD::ANY_EXTEND:                 return "any_extend"; | 
|  | case ISD::SIGN_EXTEND_INREG:          return "sign_extend_inreg"; | 
|  | case ISD::ANY_EXTEND_VECTOR_INREG:    return "any_extend_vector_inreg"; | 
|  | case ISD::SIGN_EXTEND_VECTOR_INREG:   return "sign_extend_vector_inreg"; | 
|  | case ISD::ZERO_EXTEND_VECTOR_INREG:   return "zero_extend_vector_inreg"; | 
|  | case ISD::TRUNCATE:                   return "truncate"; | 
|  | case ISD::FP_ROUND:                   return "fp_round"; | 
|  | case ISD::FLT_ROUNDS_:                return "flt_rounds"; | 
|  | case ISD::FP_ROUND_INREG:             return "fp_round_inreg"; | 
|  | case ISD::FP_EXTEND:                  return "fp_extend"; | 
|  |  | 
|  | case ISD::SINT_TO_FP:                 return "sint_to_fp"; | 
|  | case ISD::UINT_TO_FP:                 return "uint_to_fp"; | 
|  | case ISD::FP_TO_SINT:                 return "fp_to_sint"; | 
|  | case ISD::FP_TO_UINT:                 return "fp_to_uint"; | 
|  | case ISD::BITCAST:                    return "bitcast"; | 
|  | case ISD::ADDRSPACECAST:              return "addrspacecast"; | 
|  | case ISD::FP16_TO_FP:                 return "fp16_to_fp"; | 
|  | case ISD::FP_TO_FP16:                 return "fp_to_fp16"; | 
|  |  | 
|  | // Control flow instructions | 
|  | case ISD::BR:                         return "br"; | 
|  | case ISD::BRIND:                      return "brind"; | 
|  | case ISD::BR_JT:                      return "br_jt"; | 
|  | case ISD::BRCOND:                     return "brcond"; | 
|  | case ISD::BR_CC:                      return "br_cc"; | 
|  | case ISD::CALLSEQ_START:              return "callseq_start"; | 
|  | case ISD::CALLSEQ_END:                return "callseq_end"; | 
|  |  | 
|  | // EH instructions | 
|  | case ISD::CATCHRET:                   return "catchret"; | 
|  | case ISD::CLEANUPRET:                 return "cleanupret"; | 
|  |  | 
|  | // Other operators | 
|  | case ISD::LOAD:                       return "load"; | 
|  | case ISD::STORE:                      return "store"; | 
|  | case ISD::MLOAD:                      return "masked_load"; | 
|  | case ISD::MSTORE:                     return "masked_store"; | 
|  | case ISD::MGATHER:                    return "masked_gather"; | 
|  | case ISD::MSCATTER:                   return "masked_scatter"; | 
|  | case ISD::VAARG:                      return "vaarg"; | 
|  | case ISD::VACOPY:                     return "vacopy"; | 
|  | case ISD::VAEND:                      return "vaend"; | 
|  | case ISD::VASTART:                    return "vastart"; | 
|  | case ISD::DYNAMIC_STACKALLOC:         return "dynamic_stackalloc"; | 
|  | case ISD::EXTRACT_ELEMENT:            return "extract_element"; | 
|  | case ISD::BUILD_PAIR:                 return "build_pair"; | 
|  | case ISD::STACKSAVE:                  return "stacksave"; | 
|  | case ISD::STACKRESTORE:               return "stackrestore"; | 
|  | case ISD::TRAP:                       return "trap"; | 
|  | case ISD::DEBUGTRAP:                  return "debugtrap"; | 
|  | case ISD::LIFETIME_START:             return "lifetime.start"; | 
|  | case ISD::LIFETIME_END:               return "lifetime.end"; | 
|  | case ISD::GC_TRANSITION_START:        return "gc_transition.start"; | 
|  | case ISD::GC_TRANSITION_END:          return "gc_transition.end"; | 
|  | case ISD::GET_DYNAMIC_AREA_OFFSET:    return "get.dynamic.area.offset"; | 
|  |  | 
|  | // Bit manipulation | 
|  | case ISD::ABS:                        return "abs"; | 
|  | case ISD::BITREVERSE:                 return "bitreverse"; | 
|  | case ISD::BSWAP:                      return "bswap"; | 
|  | case ISD::CTPOP:                      return "ctpop"; | 
|  | case ISD::CTTZ:                       return "cttz"; | 
|  | case ISD::CTTZ_ZERO_UNDEF:            return "cttz_zero_undef"; | 
|  | case ISD::CTLZ:                       return "ctlz"; | 
|  | case ISD::CTLZ_ZERO_UNDEF:            return "ctlz_zero_undef"; | 
|  |  | 
|  | // Trampolines | 
|  | case ISD::INIT_TRAMPOLINE:            return "init_trampoline"; | 
|  | case ISD::ADJUST_TRAMPOLINE:          return "adjust_trampoline"; | 
|  |  | 
|  | case ISD::CONDCODE: | 
|  | switch (cast<CondCodeSDNode>(this)->get()) { | 
|  | default: llvm_unreachable("Unknown setcc condition!"); | 
|  | case ISD::SETOEQ:                   return "setoeq"; | 
|  | case ISD::SETOGT:                   return "setogt"; | 
|  | case ISD::SETOGE:                   return "setoge"; | 
|  | case ISD::SETOLT:                   return "setolt"; | 
|  | case ISD::SETOLE:                   return "setole"; | 
|  | case ISD::SETONE:                   return "setone"; | 
|  |  | 
|  | case ISD::SETO:                     return "seto"; | 
|  | case ISD::SETUO:                    return "setuo"; | 
|  | case ISD::SETUEQ:                   return "setueq"; | 
|  | case ISD::SETUGT:                   return "setugt"; | 
|  | case ISD::SETUGE:                   return "setuge"; | 
|  | case ISD::SETULT:                   return "setult"; | 
|  | case ISD::SETULE:                   return "setule"; | 
|  | case ISD::SETUNE:                   return "setune"; | 
|  |  | 
|  | case ISD::SETEQ:                    return "seteq"; | 
|  | case ISD::SETGT:                    return "setgt"; | 
|  | case ISD::SETGE:                    return "setge"; | 
|  | case ISD::SETLT:                    return "setlt"; | 
|  | case ISD::SETLE:                    return "setle"; | 
|  | case ISD::SETNE:                    return "setne"; | 
|  |  | 
|  | case ISD::SETTRUE:                  return "settrue"; | 
|  | case ISD::SETTRUE2:                 return "settrue2"; | 
|  | case ISD::SETFALSE:                 return "setfalse"; | 
|  | case ISD::SETFALSE2:                return "setfalse2"; | 
|  | } | 
|  | case ISD::VECREDUCE_FADD:             return "vecreduce_fadd"; | 
|  | case ISD::VECREDUCE_STRICT_FADD:      return "vecreduce_strict_fadd"; | 
|  | case ISD::VECREDUCE_FMUL:             return "vecreduce_fmul"; | 
|  | case ISD::VECREDUCE_STRICT_FMUL:      return "vecreduce_strict_fmul"; | 
|  | case ISD::VECREDUCE_ADD:              return "vecreduce_add"; | 
|  | case ISD::VECREDUCE_MUL:              return "vecreduce_mul"; | 
|  | case ISD::VECREDUCE_AND:              return "vecreduce_and"; | 
|  | case ISD::VECREDUCE_OR:               return "vecreduce_or"; | 
|  | case ISD::VECREDUCE_XOR:              return "vecreduce_xor"; | 
|  | case ISD::VECREDUCE_SMAX:             return "vecreduce_smax"; | 
|  | case ISD::VECREDUCE_SMIN:             return "vecreduce_smin"; | 
|  | case ISD::VECREDUCE_UMAX:             return "vecreduce_umax"; | 
|  | case ISD::VECREDUCE_UMIN:             return "vecreduce_umin"; | 
|  | case ISD::VECREDUCE_FMAX:             return "vecreduce_fmax"; | 
|  | case ISD::VECREDUCE_FMIN:             return "vecreduce_fmin"; | 
|  | } | 
|  | } | 
|  |  | 
|  | const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) { | 
|  | switch (AM) { | 
|  | default:              return ""; | 
|  | case ISD::PRE_INC:    return "<pre-inc>"; | 
|  | case ISD::PRE_DEC:    return "<pre-dec>"; | 
|  | case ISD::POST_INC:   return "<post-inc>"; | 
|  | case ISD::POST_DEC:   return "<post-dec>"; | 
|  | } | 
|  | } | 
|  |  | 
|  | static Printable PrintNodeId(const SDNode &Node) { | 
|  | return Printable([&Node](raw_ostream &OS) { | 
|  | #ifndef NDEBUG | 
|  | OS << 't' << Node.PersistentId; | 
|  | #else | 
|  | OS << (const void*)&Node; | 
|  | #endif | 
|  | }); | 
|  | } | 
|  |  | 
|  | // Print the MMO with more information from the SelectionDAG. | 
|  | static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO, | 
|  | const MachineFunction *MF, const Module *M, | 
|  | const MachineFrameInfo *MFI, | 
|  | const TargetInstrInfo *TII, LLVMContext &Ctx) { | 
|  | ModuleSlotTracker MST(M); | 
|  | if (MF) | 
|  | MST.incorporateFunction(MF->getFunction()); | 
|  | SmallVector<StringRef, 0> SSNs; | 
|  | MMO.print(OS, MST, SSNs, Ctx, MFI, TII); | 
|  | } | 
|  |  | 
|  | static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO, | 
|  | const SelectionDAG *G) { | 
|  | if (G) { | 
|  | const MachineFunction *MF = &G->getMachineFunction(); | 
|  | return printMemOperand(OS, MMO, MF, MF->getFunction().getParent(), | 
|  | &MF->getFrameInfo(), G->getSubtarget().getInstrInfo(), | 
|  | *G->getContext()); | 
|  | } else { | 
|  | LLVMContext Ctx; | 
|  | return printMemOperand(OS, MMO, /*MF=*/nullptr, /*M=*/nullptr, | 
|  | /*MFI=*/nullptr, /*TII=*/nullptr, Ctx); | 
|  | } | 
|  | } | 
|  |  | 
|  | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | 
|  | LLVM_DUMP_METHOD void SDNode::dump() const { dump(nullptr); } | 
|  |  | 
|  | LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const { | 
|  | print(dbgs(), G); | 
|  | dbgs() << '\n'; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const { | 
|  | for (unsigned i = 0, e = getNumValues(); i != e; ++i) { | 
|  | if (i) OS << ","; | 
|  | if (getValueType(i) == MVT::Other) | 
|  | OS << "ch"; | 
|  | else | 
|  | OS << getValueType(i).getEVTString(); | 
|  | } | 
|  | } | 
|  |  | 
|  | void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const { | 
|  | if (getFlags().hasNoUnsignedWrap()) | 
|  | OS << " nuw"; | 
|  |  | 
|  | if (getFlags().hasNoSignedWrap()) | 
|  | OS << " nsw"; | 
|  |  | 
|  | if (getFlags().hasExact()) | 
|  | OS << " exact"; | 
|  |  | 
|  | if (getFlags().hasNoNaNs()) | 
|  | OS << " nnan"; | 
|  |  | 
|  | if (getFlags().hasNoInfs()) | 
|  | OS << " ninf"; | 
|  |  | 
|  | if (getFlags().hasNoSignedZeros()) | 
|  | OS << " nsz"; | 
|  |  | 
|  | if (getFlags().hasAllowReciprocal()) | 
|  | OS << " arcp"; | 
|  |  | 
|  | if (getFlags().hasAllowContract()) | 
|  | OS << " contract"; | 
|  |  | 
|  | if (getFlags().hasApproximateFuncs()) | 
|  | OS << " afn"; | 
|  |  | 
|  | if (getFlags().hasAllowReassociation()) | 
|  | OS << " reassoc"; | 
|  |  | 
|  | if (getFlags().hasVectorReduction()) | 
|  | OS << " vector-reduction"; | 
|  |  | 
|  | if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) { | 
|  | if (!MN->memoperands_empty()) { | 
|  | OS << "<"; | 
|  | OS << "Mem:"; | 
|  | for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(), | 
|  | e = MN->memoperands_end(); i != e; ++i) { | 
|  | printMemOperand(OS, **i, G); | 
|  | if (std::next(i) != e) | 
|  | OS << " "; | 
|  | } | 
|  | OS << ">"; | 
|  | } | 
|  | } else if (const ShuffleVectorSDNode *SVN = | 
|  | dyn_cast<ShuffleVectorSDNode>(this)) { | 
|  | OS << "<"; | 
|  | for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) { | 
|  | int Idx = SVN->getMaskElt(i); | 
|  | if (i) OS << ","; | 
|  | if (Idx < 0) | 
|  | OS << "u"; | 
|  | else | 
|  | OS << Idx; | 
|  | } | 
|  | OS << ">"; | 
|  | } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) { | 
|  | OS << '<' << CSDN->getAPIntValue() << '>'; | 
|  | } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) { | 
|  | if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle()) | 
|  | OS << '<' << CSDN->getValueAPF().convertToFloat() << '>'; | 
|  | else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble()) | 
|  | OS << '<' << CSDN->getValueAPF().convertToDouble() << '>'; | 
|  | else { | 
|  | OS << "<APFloat("; | 
|  | CSDN->getValueAPF().bitcastToAPInt().print(OS, false); | 
|  | OS << ")>"; | 
|  | } | 
|  | } else if (const GlobalAddressSDNode *GADN = | 
|  | dyn_cast<GlobalAddressSDNode>(this)) { | 
|  | int64_t offset = GADN->getOffset(); | 
|  | OS << '<'; | 
|  | GADN->getGlobal()->printAsOperand(OS); | 
|  | OS << '>'; | 
|  | if (offset > 0) | 
|  | OS << " + " << offset; | 
|  | else | 
|  | OS << " " << offset; | 
|  | if (unsigned int TF = GADN->getTargetFlags()) | 
|  | OS << " [TF=" << TF << ']'; | 
|  | } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) { | 
|  | OS << "<" << FIDN->getIndex() << ">"; | 
|  | } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) { | 
|  | OS << "<" << JTDN->getIndex() << ">"; | 
|  | if (unsigned int TF = JTDN->getTargetFlags()) | 
|  | OS << " [TF=" << TF << ']'; | 
|  | } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){ | 
|  | int offset = CP->getOffset(); | 
|  | if (CP->isMachineConstantPoolEntry()) | 
|  | OS << "<" << *CP->getMachineCPVal() << ">"; | 
|  | else | 
|  | OS << "<" << *CP->getConstVal() << ">"; | 
|  | if (offset > 0) | 
|  | OS << " + " << offset; | 
|  | else | 
|  | OS << " " << offset; | 
|  | if (unsigned int TF = CP->getTargetFlags()) | 
|  | OS << " [TF=" << TF << ']'; | 
|  | } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) { | 
|  | OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">"; | 
|  | if (unsigned TF = TI->getTargetFlags()) | 
|  | OS << " [TF=" << TF << ']'; | 
|  | } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) { | 
|  | OS << "<"; | 
|  | const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock(); | 
|  | if (LBB) | 
|  | OS << LBB->getName() << " "; | 
|  | OS << (const void*)BBDN->getBasicBlock() << ">"; | 
|  | } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) { | 
|  | OS << ' ' << printReg(R->getReg(), | 
|  | G ? G->getSubtarget().getRegisterInfo() : nullptr); | 
|  | } else if (const ExternalSymbolSDNode *ES = | 
|  | dyn_cast<ExternalSymbolSDNode>(this)) { | 
|  | OS << "'" << ES->getSymbol() << "'"; | 
|  | if (unsigned int TF = ES->getTargetFlags()) | 
|  | OS << " [TF=" << TF << ']'; | 
|  | } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) { | 
|  | if (M->getValue()) | 
|  | OS << "<" << M->getValue() << ">"; | 
|  | else | 
|  | OS << "<null>"; | 
|  | } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) { | 
|  | if (MD->getMD()) | 
|  | OS << "<" << MD->getMD() << ">"; | 
|  | else | 
|  | OS << "<null>"; | 
|  | } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) { | 
|  | OS << ":" << N->getVT().getEVTString(); | 
|  | } | 
|  | else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) { | 
|  | OS << "<"; | 
|  |  | 
|  | printMemOperand(OS, *LD->getMemOperand(), G); | 
|  |  | 
|  | bool doExt = true; | 
|  | switch (LD->getExtensionType()) { | 
|  | default: doExt = false; break; | 
|  | case ISD::EXTLOAD:  OS << ", anyext"; break; | 
|  | case ISD::SEXTLOAD: OS << ", sext"; break; | 
|  | case ISD::ZEXTLOAD: OS << ", zext"; break; | 
|  | } | 
|  | if (doExt) | 
|  | OS << " from " << LD->getMemoryVT().getEVTString(); | 
|  |  | 
|  | const char *AM = getIndexedModeName(LD->getAddressingMode()); | 
|  | if (*AM) | 
|  | OS << ", " << AM; | 
|  |  | 
|  | OS << ">"; | 
|  | } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) { | 
|  | OS << "<"; | 
|  | printMemOperand(OS, *ST->getMemOperand(), G); | 
|  |  | 
|  | if (ST->isTruncatingStore()) | 
|  | OS << ", trunc to " << ST->getMemoryVT().getEVTString(); | 
|  |  | 
|  | const char *AM = getIndexedModeName(ST->getAddressingMode()); | 
|  | if (*AM) | 
|  | OS << ", " << AM; | 
|  |  | 
|  | OS << ">"; | 
|  | } else if (const MaskedLoadSDNode *MLd = dyn_cast<MaskedLoadSDNode>(this)) { | 
|  | OS << "<"; | 
|  |  | 
|  | printMemOperand(OS, *MLd->getMemOperand(), G); | 
|  |  | 
|  | bool doExt = true; | 
|  | switch (MLd->getExtensionType()) { | 
|  | default: doExt = false; break; | 
|  | case ISD::EXTLOAD:  OS << ", anyext"; break; | 
|  | case ISD::SEXTLOAD: OS << ", sext"; break; | 
|  | case ISD::ZEXTLOAD: OS << ", zext"; break; | 
|  | } | 
|  | if (doExt) | 
|  | OS << " from " << MLd->getMemoryVT().getEVTString(); | 
|  |  | 
|  | if (MLd->isExpandingLoad()) | 
|  | OS << ", expanding"; | 
|  |  | 
|  | OS << ">"; | 
|  | } else if (const MaskedStoreSDNode *MSt = dyn_cast<MaskedStoreSDNode>(this)) { | 
|  | OS << "<"; | 
|  | printMemOperand(OS, *MSt->getMemOperand(), G); | 
|  |  | 
|  | if (MSt->isTruncatingStore()) | 
|  | OS << ", trunc to " << MSt->getMemoryVT().getEVTString(); | 
|  |  | 
|  | if (MSt->isCompressingStore()) | 
|  | OS << ", compressing"; | 
|  |  | 
|  | OS << ">"; | 
|  | } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) { | 
|  | OS << "<"; | 
|  | printMemOperand(OS, *M->getMemOperand(), G); | 
|  | OS << ">"; | 
|  | } else if (const BlockAddressSDNode *BA = | 
|  | dyn_cast<BlockAddressSDNode>(this)) { | 
|  | int64_t offset = BA->getOffset(); | 
|  | OS << "<"; | 
|  | BA->getBlockAddress()->getFunction()->printAsOperand(OS, false); | 
|  | OS << ", "; | 
|  | BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false); | 
|  | OS << ">"; | 
|  | if (offset > 0) | 
|  | OS << " + " << offset; | 
|  | else | 
|  | OS << " " << offset; | 
|  | if (unsigned int TF = BA->getTargetFlags()) | 
|  | OS << " [TF=" << TF << ']'; | 
|  | } else if (const AddrSpaceCastSDNode *ASC = | 
|  | dyn_cast<AddrSpaceCastSDNode>(this)) { | 
|  | OS << '[' | 
|  | << ASC->getSrcAddressSpace() | 
|  | << " -> " | 
|  | << ASC->getDestAddressSpace() | 
|  | << ']'; | 
|  | } | 
|  |  | 
|  | if (VerboseDAGDumping) { | 
|  | if (unsigned Order = getIROrder()) | 
|  | OS << " [ORD=" << Order << ']'; | 
|  |  | 
|  | if (getNodeId() != -1) | 
|  | OS << " [ID=" << getNodeId() << ']'; | 
|  | if (!(isa<ConstantSDNode>(this) || (isa<ConstantFPSDNode>(this)))) | 
|  | OS << " # D:" << isDivergent(); | 
|  |  | 
|  | if (G && !G->GetDbgValues(this).empty()) { | 
|  | OS << " [NoOfDbgValues=" << G->GetDbgValues(this).size() << ']'; | 
|  | for (SDDbgValue *Dbg : G->GetDbgValues(this)) | 
|  | if (!Dbg->isInvalidated()) | 
|  | Dbg->print(OS); | 
|  | } else if (getHasDebugValue()) | 
|  | OS << " [NoOfDbgValues>0]"; | 
|  | } | 
|  | } | 
|  |  | 
|  | LLVM_DUMP_METHOD void SDDbgValue::print(raw_ostream &OS) const { | 
|  | OS << " DbgVal(Order=" << getOrder() << ')'; | 
|  | if (isInvalidated()) OS << "(Invalidated)"; | 
|  | if (isEmitted()) OS << "(Emitted)"; | 
|  | switch (getKind()) { | 
|  | case SDNODE: | 
|  | if (getSDNode()) | 
|  | OS << "(SDNODE=" << PrintNodeId(*getSDNode()) << ':' <<  getResNo() << ')'; | 
|  | else | 
|  | OS << "(SDNODE)"; | 
|  | break; | 
|  | case CONST: | 
|  | OS << "(CONST)"; | 
|  | break; | 
|  | case FRAMEIX: | 
|  | OS << "(FRAMEIX=" << getFrameIx() << ')'; | 
|  | break; | 
|  | case VREG: | 
|  | OS << "(VREG=" << getVReg() << ')'; | 
|  | break; | 
|  | } | 
|  | if (isIndirect()) OS << "(Indirect)"; | 
|  | OS << ":\"" << Var->getName() << '"'; | 
|  | #ifndef NDEBUG | 
|  | if (Expr->getNumElements()) | 
|  | Expr->dump(); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | 
|  | LLVM_DUMP_METHOD void SDDbgValue::dump() const { | 
|  | if (isInvalidated()) | 
|  | return; | 
|  | print(dbgs()); | 
|  | dbgs() << "\n"; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | /// Return true if this node is so simple that we should just print it inline | 
|  | /// if it appears as an operand. | 
|  | static bool shouldPrintInline(const SDNode &Node, const SelectionDAG *G) { | 
|  | // Avoid lots of cluttering when inline printing nodes with associated | 
|  | // DbgValues in verbose mode. | 
|  | if (VerboseDAGDumping && G && !G->GetDbgValues(&Node).empty()) | 
|  | return false; | 
|  | if (Node.getOpcode() == ISD::EntryToken) | 
|  | return false; | 
|  | return Node.getNumOperands() == 0; | 
|  | } | 
|  |  | 
|  | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | 
|  | static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) { | 
|  | for (const SDValue &Op : N->op_values()) { | 
|  | if (shouldPrintInline(*Op.getNode(), G)) | 
|  | continue; | 
|  | if (Op.getNode()->hasOneUse()) | 
|  | DumpNodes(Op.getNode(), indent+2, G); | 
|  | } | 
|  |  | 
|  | dbgs().indent(indent); | 
|  | N->dump(G); | 
|  | } | 
|  |  | 
|  | LLVM_DUMP_METHOD void SelectionDAG::dump() const { | 
|  | dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n"; | 
|  |  | 
|  | for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end(); | 
|  | I != E; ++I) { | 
|  | const SDNode *N = &*I; | 
|  | if (!N->hasOneUse() && N != getRoot().getNode() && | 
|  | (!shouldPrintInline(*N, this) || N->use_empty())) | 
|  | DumpNodes(N, 2, this); | 
|  | } | 
|  |  | 
|  | if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this); | 
|  | dbgs() << "\n"; | 
|  |  | 
|  | if (VerboseDAGDumping) { | 
|  | if (DbgBegin() != DbgEnd()) | 
|  | dbgs() << "SDDbgValues:\n"; | 
|  | for (auto *Dbg : make_range(DbgBegin(), DbgEnd())) | 
|  | Dbg->dump(); | 
|  | if (ByvalParmDbgBegin() != ByvalParmDbgEnd()) | 
|  | dbgs() << "Byval SDDbgValues:\n"; | 
|  | for (auto *Dbg : make_range(ByvalParmDbgBegin(), ByvalParmDbgEnd())) | 
|  | Dbg->dump(); | 
|  | } | 
|  | dbgs() << "\n"; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const { | 
|  | OS << PrintNodeId(*this) << ": "; | 
|  | print_types(OS, G); | 
|  | OS << " = " << getOperationName(G); | 
|  | print_details(OS, G); | 
|  | } | 
|  |  | 
|  | static bool printOperand(raw_ostream &OS, const SelectionDAG *G, | 
|  | const SDValue Value) { | 
|  | if (!Value.getNode()) { | 
|  | OS << "<null>"; | 
|  | return false; | 
|  | } else if (shouldPrintInline(*Value.getNode(), G)) { | 
|  | OS << Value->getOperationName(G) << ':'; | 
|  | Value->print_types(OS, G); | 
|  | Value->print_details(OS, G); | 
|  | return true; | 
|  | } else { | 
|  | OS << PrintNodeId(*Value.getNode()); | 
|  | if (unsigned RN = Value.getResNo()) | 
|  | OS << ':' << RN; | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | 
|  | using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>; | 
|  |  | 
|  | static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, | 
|  | const SelectionDAG *G, VisitedSDNodeSet &once) { | 
|  | if (!once.insert(N).second) // If we've been here before, return now. | 
|  | return; | 
|  |  | 
|  | // Dump the current SDNode, but don't end the line yet. | 
|  | OS.indent(indent); | 
|  | N->printr(OS, G); | 
|  |  | 
|  | // Having printed this SDNode, walk the children: | 
|  | for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { | 
|  | if (i) OS << ","; | 
|  | OS << " "; | 
|  |  | 
|  | const SDValue Op = N->getOperand(i); | 
|  | bool printedInline = printOperand(OS, G, Op); | 
|  | if (printedInline) | 
|  | once.insert(Op.getNode()); | 
|  | } | 
|  |  | 
|  | OS << "\n"; | 
|  |  | 
|  | // Dump children that have grandchildren on their own line(s). | 
|  | for (const SDValue &Op : N->op_values()) | 
|  | DumpNodesr(OS, Op.getNode(), indent+2, G, once); | 
|  | } | 
|  |  | 
|  | LLVM_DUMP_METHOD void SDNode::dumpr() const { | 
|  | VisitedSDNodeSet once; | 
|  | DumpNodesr(dbgs(), this, 0, nullptr, once); | 
|  | } | 
|  |  | 
|  | LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const { | 
|  | VisitedSDNodeSet once; | 
|  | DumpNodesr(dbgs(), this, 0, G, once); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, | 
|  | const SelectionDAG *G, unsigned depth, | 
|  | unsigned indent) { | 
|  | if (depth == 0) | 
|  | return; | 
|  |  | 
|  | OS.indent(indent); | 
|  |  | 
|  | N->print(OS, G); | 
|  |  | 
|  | if (depth < 1) | 
|  | return; | 
|  |  | 
|  | for (const SDValue &Op : N->op_values()) { | 
|  | // Don't follow chain operands. | 
|  | if (Op.getValueType() == MVT::Other) | 
|  | continue; | 
|  | OS << '\n'; | 
|  | printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2); | 
|  | } | 
|  | } | 
|  |  | 
|  | void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G, | 
|  | unsigned depth) const { | 
|  | printrWithDepthHelper(OS, this, G, depth, 0); | 
|  | } | 
|  |  | 
|  | void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const { | 
|  | // Don't print impossibly deep things. | 
|  | printrWithDepth(OS, G, 10); | 
|  | } | 
|  |  | 
|  | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | 
|  | LLVM_DUMP_METHOD | 
|  | void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const { | 
|  | printrWithDepth(dbgs(), G, depth); | 
|  | } | 
|  |  | 
|  | LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const { | 
|  | // Don't print impossibly deep things. | 
|  | dumprWithDepth(G, 10); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const { | 
|  | printr(OS, G); | 
|  | for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { | 
|  | if (i) OS << ", "; else OS << " "; | 
|  | printOperand(OS, G, getOperand(i)); | 
|  | } | 
|  | if (DebugLoc DL = getDebugLoc()) { | 
|  | OS << ", "; | 
|  | DL.print(OS); | 
|  | } | 
|  | } |