SelectionDAGNodes.h revision ef3640aded552279f65bd6d18633e15ffb245157
163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===-- llvm/CodeGen/SelectionDAGNodes.h - SelectionDAG Nodes ---*- C++ -*-===// 2ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// The LLVM Compiler Infrastructure 463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// 563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// This file was developed by the LLVM research group and is distributed under 663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// the University of Illinois Open Source License. See LICENSE.TXT for details. 7ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===----------------------------------------------------------------------===// 9ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 1063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// This file declares the SDNode class and derived classes, which are used to 1163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// represent the nodes and operations present in a SelectionDAG. These nodes 1263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// and operations are machine code level operations, with some similarities to 1363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// the GCC RTL representation. 1463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// 1563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// Clients should include the SelectionDAG.h file instead of this file directly. 1663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// 1763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===----------------------------------------------------------------------===// 1863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#ifndef LLVM_CODEGEN_SELECTIONDAGNODES_H 2063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#define LLVM_CODEGEN_SELECTIONDAGNODES_H 2163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 2263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#include "llvm/CodeGen/ValueTypes.h" 232d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth#include "llvm/Value.h" 241080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner#include "llvm/ADT/GraphTraits.h" 251080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner#include "llvm/ADT/iterator" 2639931a3dbac1aa2fe2ec14f26001c8c29102940cJeff Cohen#include "llvm/Support/DataTypes.h" 2763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#include <cassert> 2863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#include <vector> 2963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnernamespace llvm { 3163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass SelectionDAG; 3363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass GlobalValue; 3463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass MachineBasicBlock; 3563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass SDNode; 3663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnertemplate <typename T> struct simplify_type; 37b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate <typename T> struct ilist_traits; 38b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate<typename NodeTy, typename Traits> class iplist; 39b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate<typename NodeTy> class ilist_iterator; 4063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 4163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// ISD namespace - This namespace contains an enum which represents all of the 4263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SelectionDAG node types and value types. 4363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 4463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnernamespace ISD { 4563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner //===--------------------------------------------------------------------===// 4663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// ISD::NodeType enum - This enum defines all of the operators valid in a 4763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// SelectionDAG. 4863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 4963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner enum NodeType { 508a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // EntryToken - This is the marker used to indicate the start of the region. 518a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner EntryToken, 528a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner 538c4bde36a339b1c538002e819daff84caae4cbadReid Spencer // Token factor - This node takes multiple tokens as input and produces a 548a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // single token result. This is used to represent the fact that the operand 558a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // operators are independent of each other. 568a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner TokenFactor, 57f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman 58f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // AssertSext, AssertZext - These nodes record if a register contains a 59f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // value that has already been zero or sign extended from a narrower type. 60f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // These nodes take two operands. The first is the node that has already 61f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // been extended, and the second is a value type node indicating the width 62f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // of the extension 63f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman AssertSext, AssertZext, 64ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 658a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // Various leaf nodes. 6647725d059b259f8a0c145478300c9e9caa006b59Chris Lattner Constant, ConstantFP, STRING, 6747725d059b259f8a0c145478300c9e9caa006b59Chris Lattner GlobalAddress, FrameIndex, ConstantPool, 68d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner BasicBlock, ExternalSymbol, VALUETYPE, CONDCODE, Register, 69056f9f61d071c6c583951678f2bf543a1316efccChris Lattner 708cfa57b1b4eade4e0101195b2f94ab288cd03563Nate Begeman // ConstantVec works like Constant or ConstantFP, except that it is not a 718cfa57b1b4eade4e0101195b2f94ab288cd03563Nate Begeman // leaf node. All operands are either Constant or ConstantFP nodes. 728cfa57b1b4eade4e0101195b2f94ab288cd03563Nate Begeman ConstantVec, 738cfa57b1b4eade4e0101195b2f94ab288cd03563Nate Begeman 74ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner // TargetConstant* - Like Constant*, but the DAG does not do any folding or 75ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner // simplification of the constant. 76056f9f61d071c6c583951678f2bf543a1316efccChris Lattner TargetConstant, 77ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner TargetConstantFP, 78ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner TargetConstantVec, 79f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner 80f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner // TargetGlobalAddress - Like GlobalAddress, but the DAG does no folding or 81f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner // anything else with this node, and this is valid in the target-specific 82f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner // dag, turning into a GlobalAddress operand. 83f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner TargetGlobalAddress, 84afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner TargetFrameIndex, 85aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner TargetConstantPool, 862a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth TargetExternalSymbol, 8763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 88d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner // CopyToReg - This node has three operands: a chain, a register number to 89d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner // set to this value, and a value. 9063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CopyToReg, 9163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 9263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // CopyFromReg - This node indicates that the input value is a virtual or 9363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // physical register that is defined outside of the scope of this 9418c2f13e0f9d0e5d6227cf6d1881e9ee3d1b6109Chris Lattner // SelectionDAG. The register is available from the RegSDNode object. 9563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CopyFromReg, 9663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 97fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman // UNDEF - An undefined node 98fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman UNDEF, 99fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman 10063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // EXTRACT_ELEMENT - This is used to get the first or second (determined by 10163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // a Constant, which is required to be operand #1), element of the aggregate 10263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // value specified as operand #0. This is only for use before legalization, 10363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // for values that will be broken into multiple registers. 10463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner EXTRACT_ELEMENT, 10563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 10663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BUILD_PAIR - This is the opposite of EXTRACT_ELEMENT in some ways. Given 10763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // two values of the same integer value type, this produces a value twice as 10863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // big. Like EXTRACT_ELEMENT, this can only be used before legalization. 10963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BUILD_PAIR, 110006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner 111006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // MERGE_VALUES - This node takes multiple discrete operands and returns 112006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // them all as its individual results. This nodes has exactly the same 113006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // number of inputs and outputs, and is only valid before legalization. 114006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // This node is useful for some pieces of the code generator that want to 115006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // think about a single node with multiple results, not multiple nodes. 116006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner MERGE_VALUES, 11763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 118615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner // Simple integer binary arithmetic operators. 119bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner ADD, SUB, MUL, SDIV, UDIV, SREM, UREM, 120615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner 121615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner // Simple binary floating point operators. 122615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner FADD, FSUB, FMUL, FDIV, FREM, 1235fbb5d2459a5410590f285250faa604576308a93Nate Begeman 1245fbb5d2459a5410590f285250faa604576308a93Nate Begeman // Simple abstract vector operators. Unlike the integer and floating point 1255fbb5d2459a5410590f285250faa604576308a93Nate Begeman // binary operators, these nodes also take two additional operands: 1265fbb5d2459a5410590f285250faa604576308a93Nate Begeman // a constant element count, and a value type node indicating the type of 127ab48be377298bd509427a29e174cf4e305138819Nate Begeman // the elements. The order is op0, op1, count, type. All vector opcodes, 128ab48be377298bd509427a29e174cf4e305138819Nate Begeman // including VLOAD, must currently have count and type as their 3rd and 4th 129ab48be377298bd509427a29e174cf4e305138819Nate Begeman // arguments. 1305fbb5d2459a5410590f285250faa604576308a93Nate Begeman VADD, VSUB, VMUL, 131bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner 132bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner // MULHU/MULHS - Multiply high - Multiply two integers of type iN, producing 133bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner // an unsigned/signed value of type i[2*n], then return the top part. 134bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner MULHU, MULHS, 13563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 13635ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman // Bitwise operators - logical and, logical or, logical xor, shift left, 13735ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman // shift right algebraic (shift in sign bits), shift right logical (shift in 13835ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman // zeroes), rotate left, rotate right, and byteswap. 13935ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman AND, OR, XOR, SHL, SRA, SRL, ROTL, ROTR, BSWAP, 14063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 141691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth // Counting operators 142691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth CTTZ, CTLZ, CTPOP, 143691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth 1449373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // Select 1459373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman SELECT, 1469373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman 1479373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // Select with condition operator - This selects between a true value and 1489373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // a false value (ops #2 and #3) based on the boolean result of comparing 1499373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // the lhs and rhs (ops #0 and #1) of a conditional expression with the 1509373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // condition code in op #4, a CondCodeSDNode. 1519373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman SELECT_CC, 15263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 15363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // SetCC operator - This evaluates to a boolean (i1) true value if the 1547cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner // condition is true. The operands to this are the left and right operands 1557cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner // to compare (ops #0, and #1) and the condition code to compare them with 1567cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner // (op #2) as a CondCodeSDNode. 15763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETCC, 15863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1595880b9fa3e964efdb5465fe740f1c7aaf054766aChris Lattner // ADD_PARTS/SUB_PARTS - These operators take two logical operands which are 1605880b9fa3e964efdb5465fe740f1c7aaf054766aChris Lattner // broken into a multiple pieces each, and return the resulting pieces of 1615880b9fa3e964efdb5465fe740f1c7aaf054766aChris Lattner // doing an atomic add/sub operation. This is used to handle add/sub of 1625880b9fa3e964efdb5465fe740f1c7aaf054766aChris Lattner // expanded types. The operation ordering is: 1635880b9fa3e964efdb5465fe740f1c7aaf054766aChris Lattner // [Lo,Hi] = op [LoLHS,HiLHS], [LoRHS,HiRHS] 1645880b9fa3e964efdb5465fe740f1c7aaf054766aChris Lattner ADD_PARTS, SUB_PARTS, 16563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 16614c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner // SHL_PARTS/SRA_PARTS/SRL_PARTS - These operators are used for expanded 16714c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner // integer shift operations, just like ADD/SUB_PARTS. The operation 16814c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner // ordering is: 1696b8f2d649c1e96e0222be9de1e5d6c79e3eef021Chris Lattner // [Lo,Hi] = op [LoLHS,HiLHS], Amt 17014c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner SHL_PARTS, SRA_PARTS, SRL_PARTS, 17114c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner 17263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Conversion operators. These are all single input single output 17363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // operations. For all of these, the result type must be strictly 17463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // wider or narrower (depending on the operation) than the source 17563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // type. 17663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 17763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // SIGN_EXTEND - Used for integer types, replicating the sign bit 17863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // into new bits. 17963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SIGN_EXTEND, 18063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 18163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // ZERO_EXTEND - Used for integer types, zeroing the new bits. 18263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner ZERO_EXTEND, 18363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1847e122db776d9731dfe5acb7faa9da4f3c33ee5a1Chris Lattner // ANY_EXTEND - Used for integer types. The high bits are undefined. 1857e122db776d9731dfe5acb7faa9da4f3c33ee5a1Chris Lattner ANY_EXTEND, 1867e122db776d9731dfe5acb7faa9da4f3c33ee5a1Chris Lattner 18763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // TRUNCATE - Completely drop the high bits. 18863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner TRUNCATE, 18963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1901645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // [SU]INT_TO_FP - These operators convert integers (whose interpreted sign 1911645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // depends on the first letter) to floating point. 1921645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner SINT_TO_FP, 1931645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner UINT_TO_FP, 1941645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner 195ea5761068956b157832d67bcc9d5e8ba706f545cChris Lattner // SIGN_EXTEND_INREG - This operator atomically performs a SHL/SRA pair to 196ea5761068956b157832d67bcc9d5e8ba706f545cChris Lattner // sign extend a small value in a large integer register (e.g. sign 197ea5761068956b157832d67bcc9d5e8ba706f545cChris Lattner // extending the low 8 bits of a 32-bit register to fill the top 24 bits 19815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // with the 7th bit). The size of the smaller type is indicated by the 1th 19915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // operand, a ValueType node. 200859157daee6a4b49e99921832e1dde065167b317Chris Lattner SIGN_EXTEND_INREG, 201859157daee6a4b49e99921832e1dde065167b317Chris Lattner 2021645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // FP_TO_[US]INT - Convert a floating point value to a signed or unsigned 2031645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // integer. 2041645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner FP_TO_SINT, 2051645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner FP_TO_UINT, 2061645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner 20763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // FP_ROUND - Perform a rounding operation from the current 208859157daee6a4b49e99921832e1dde065167b317Chris Lattner // precision down to the specified precision (currently always 64->32). 20963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner FP_ROUND, 21063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 211859157daee6a4b49e99921832e1dde065167b317Chris Lattner // FP_ROUND_INREG - This operator takes a floating point register, and 212859157daee6a4b49e99921832e1dde065167b317Chris Lattner // rounds it to a floating point value. It then promotes it and returns it 213859157daee6a4b49e99921832e1dde065167b317Chris Lattner // in a register of the same size. This operation effectively just discards 21415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // excess precision. The type to round down to is specified by the 1th 21515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // operation, a VTSDNode (currently always 64->32->64). 216859157daee6a4b49e99921832e1dde065167b317Chris Lattner FP_ROUND_INREG, 217859157daee6a4b49e99921832e1dde065167b317Chris Lattner 21863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // FP_EXTEND - Extend a smaller FP type into a larger FP type. 21963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner FP_EXTEND, 22063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 2211ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner // BIT_CONVERT - Theis operator converts between integer and FP values, as 2221ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner // if one was stored to memory as integer and the other was loaded from the 22380f55abf009c86bc03821e10746832f88f8a735fChris Lattner // same address (or equivalently for vector format conversions, etc). The 22480f55abf009c86bc03821e10746832f88f8a735fChris Lattner // source and result are required to have the same bit size (e.g. 22580f55abf009c86bc03821e10746832f88f8a735fChris Lattner // f32 <-> i32). This can also be used for int-to-int or fp-to-fp 22680f55abf009c86bc03821e10746832f88f8a735fChris Lattner // conversions, but that is a noop, deleted by getNode(). 2271ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner BIT_CONVERT, 2281ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner 2297f64464ff100bcb7661b65c74c13dc88e83eb65bChris Lattner // FNEG, FABS, FSQRT, FSIN, FCOS - Perform unary floating point negation, 2307f64464ff100bcb7661b65c74c13dc88e83eb65bChris Lattner // absolute value, square root, sine and cosine operations. 2317f64464ff100bcb7661b65c74c13dc88e83eb65bChris Lattner FNEG, FABS, FSQRT, FSIN, FCOS, 2327366fd39727180a3261dd99e3797f89979d74e66Chris Lattner 2331cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // Other operators. LOAD and STORE have token chains as their first 234f7db8c69a12582c7d1ff7c5f25c948dca2dbf7dcChris Lattner // operand, then the same operands as an LLVM load/store instruction, then a 235f7db8c69a12582c7d1ff7c5f25c948dca2dbf7dcChris Lattner // SRCVALUE node that provides alias analysis information. 23663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner LOAD, STORE, 2375fbb5d2459a5410590f285250faa604576308a93Nate Begeman 2385fbb5d2459a5410590f285250faa604576308a93Nate Begeman // Abstract vector version of LOAD. VLOAD has a token chain as the first 2395fbb5d2459a5410590f285250faa604576308a93Nate Begeman // operand, followed by a pointer operand, a constant element count, a value 2405fbb5d2459a5410590f285250faa604576308a93Nate Begeman // type node indicating the type of the elements, and a SRCVALUE node. 2415fbb5d2459a5410590f285250faa604576308a93Nate Begeman VLOAD, 24263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 2435f056bf4b862a7c31388a68711dd3b3ed5de2be8Chris Lattner // EXTLOAD, SEXTLOAD, ZEXTLOAD - These three operators all load a value from 2445f056bf4b862a7c31388a68711dd3b3ed5de2be8Chris Lattner // memory and extend them to a larger value (e.g. load a byte into a word 2455f056bf4b862a7c31388a68711dd3b3ed5de2be8Chris Lattner // register). All three of these have four operands, a token chain, a 2465f056bf4b862a7c31388a68711dd3b3ed5de2be8Chris Lattner // pointer to load from, a SRCVALUE for alias analysis, and a VALUETYPE node 2475f056bf4b862a7c31388a68711dd3b3ed5de2be8Chris Lattner // indicating the type to load. 2481cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // 2491cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // SEXTLOAD loads the integer operand and sign extends it to a larger 2501cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // integer result type. 2511cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // ZEXTLOAD loads the integer operand and zero extends it to a larger 2521cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // integer result type. 253ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman // EXTLOAD is used for two things: floating point extending loads, and 2541cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // integer extending loads where it doesn't matter what the high 2551cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // bits are set to. The code generator is allowed to codegen this 2561cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // into whichever operation is more efficient. 2571cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner EXTLOAD, SEXTLOAD, ZEXTLOAD, 2581cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner 2591cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // TRUNCSTORE - This operators truncates (for integer) or rounds (for FP) a 2601cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner // value and stores it to memory in one operation. This can be used for 261f7db8c69a12582c7d1ff7c5f25c948dca2dbf7dcChris Lattner // either integer or floating point operands. The first four operands of 262f7db8c69a12582c7d1ff7c5f25c948dca2dbf7dcChris Lattner // this are the same as a standard store. The fifth is the ValueType to 263f7db8c69a12582c7d1ff7c5f25c948dca2dbf7dcChris Lattner // store it as (which will be smaller than the source value). 2641cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner TRUNCSTORE, 2651cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner 26663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // DYNAMIC_STACKALLOC - Allocate some number of bytes on the stack aligned 26763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // to a specified boundary. The first operand is the token chain, the 26863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // second is the number of bytes to allocate, and the third is the alignment 26974fe063e90045931eefaba561730e6a9175ced78Chris Lattner // boundary. The size is guaranteed to be a multiple of the stack 27074fe063e90045931eefaba561730e6a9175ced78Chris Lattner // alignment, and the alignment is guaranteed to be bigger than the stack 27174fe063e90045931eefaba561730e6a9175ced78Chris Lattner // alignment (if required) or 0 to get standard stack alignment. 27263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner DYNAMIC_STACKALLOC, 27363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 27463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Control flow instructions. These all have token chains. 275ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 27663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BR - Unconditional branch. The first operand is the chain 27763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // operand, the second is the MBB to branch to. 27863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BR, 27963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 28063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BRCOND - Conditional branch. The first operand is the chain, 28163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // the second is the condition, the third is the block to branch 28263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // to if the condition is true. 28363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BRCOND, 28463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 2851df633821b9994a132ea329e5b04a9a2d0580de3Chris Lattner // BRCONDTWOWAY - Two-way conditional branch. The first operand is the 2861df633821b9994a132ea329e5b04a9a2d0580de3Chris Lattner // chain, the second is the condition, the third is the block to branch to 2871df633821b9994a132ea329e5b04a9a2d0580de3Chris Lattner // if true, and the forth is the block to branch to if false. Targets 2881df633821b9994a132ea329e5b04a9a2d0580de3Chris Lattner // usually do not implement this, preferring to have legalize demote the 2891df633821b9994a132ea329e5b04a9a2d0580de3Chris Lattner // operation to BRCOND/BR pairs when necessary. 2901df633821b9994a132ea329e5b04a9a2d0580de3Chris Lattner BRCONDTWOWAY, 2911df633821b9994a132ea329e5b04a9a2d0580de3Chris Lattner 2927cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // BR_CC - Conditional branch. The behavior is like that of SELECT_CC, in 2937cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // that the condition is represented as condition code, and two nodes to 2947cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // compare, rather than as a combined SetCC node. The operands in order are 2957cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // chain, cc, lhs, rhs, block to branch to if condition is true. 2967cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman BR_CC, 2977cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman 2987cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // BRTWOWAY_CC - Two-way conditional branch. The operands in order are 2997cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // chain, cc, lhs, rhs, block to branch to if condition is true, block to 3007cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // branch to if condition is false. Targets usually do not implement this, 3017cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // preferring to have legalize demote the operation to BRCOND/BR pairs. 3027cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman BRTWOWAY_CC, 3037cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman 30463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // RET - Return from function. The first operand is the chain, 30563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // and any subsequent operands are the return values for the 30663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // function. This operation can have variable number of operands. 30763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner RET, 30863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3097572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // INLINEASM - Represents an inline asm block. This node always has two 3107572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // return values: a chain and a flag result. The inputs are as follows: 3117572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #0 : Input chain. 3127572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #1 : a ExternalSymbolSDNode with a pointer to the asm string. 3137572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #2n+2: A RegisterNode. 3147572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #2n+3: A TargetConstant, indicating if the reg is a use/def 3157572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #last: Optional, an incoming flag. 3167572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner INLINEASM, 317ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner 3185a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // STACKSAVE - STACKSAVE has one operand, an input chain. It produces a 3195a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // value, the same type as the pointer type for the system, and an output 3205a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // chain. 3215a67afc118d47a0061ca9809c763451ea3125306Chris Lattner STACKSAVE, 3225a67afc118d47a0061ca9809c763451ea3125306Chris Lattner 3235a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // STACKRESTORE has two operands, an input chain and a pointer to restore to 3245a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // it returns an output chain. 3255a67afc118d47a0061ca9809c763451ea3125306Chris Lattner STACKRESTORE, 3265a67afc118d47a0061ca9809c763451ea3125306Chris Lattner 327ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner // MEMSET/MEMCPY/MEMMOVE - The first operand is the chain, and the rest 328ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner // correspond to the operands of the LLVM intrinsic functions. The only 329ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner // result is a token chain. The alignment argument is guaranteed to be a 330ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner // Constant node. 331ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner MEMSET, 332ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner MEMMOVE, 333ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner MEMCPY, 334ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 33516cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // CALLSEQ_START/CALLSEQ_END - These operators mark the beginning and end of 33616cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // a call sequence, and carry arbitrary information that target might want 33716cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // to know. The first operand is a chain, the rest are specified by the 33816cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // target and not touched by the DAG optimizers. 33916cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner CALLSEQ_START, // Beginning of a call sequence 34016cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner CALLSEQ_END, // End of a call sequence 341acc398c195a697795bff3245943d104eb19192b9Nate Begeman 342acc398c195a697795bff3245943d104eb19192b9Nate Begeman // VAARG - VAARG has three operands: an input chain, a pointer, and a 343acc398c195a697795bff3245943d104eb19192b9Nate Begeman // SRCVALUE. It returns a pair of values: the vaarg value and a new chain. 344acc398c195a697795bff3245943d104eb19192b9Nate Begeman VAARG, 345acc398c195a697795bff3245943d104eb19192b9Nate Begeman 346acc398c195a697795bff3245943d104eb19192b9Nate Begeman // VACOPY - VACOPY has five operands: an input chain, a destination pointer, 347acc398c195a697795bff3245943d104eb19192b9Nate Begeman // a source pointer, a SRCVALUE for the destination, and a SRCVALUE for the 348acc398c195a697795bff3245943d104eb19192b9Nate Begeman // source. 349acc398c195a697795bff3245943d104eb19192b9Nate Begeman VACOPY, 350acc398c195a697795bff3245943d104eb19192b9Nate Begeman 351acc398c195a697795bff3245943d104eb19192b9Nate Begeman // VAEND, VASTART - VAEND and VASTART have three operands: an input chain, a 352acc398c195a697795bff3245943d104eb19192b9Nate Begeman // pointer, and a SRCVALUE. 353acc398c195a697795bff3245943d104eb19192b9Nate Begeman VAEND, VASTART, 35463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 35521074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // SRCVALUE - This corresponds to a Value*, and is used to associate memory 35621074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // locations with their value. This allows one use alias analysis 35721074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // information in the backend. 35821074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner SRCVALUE, 35921074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner 360e3f570c3f9048bc71a9f5841343eae63719e439bMisha Brukman // PCMARKER - This corresponds to the pcmarker intrinsic. 36195762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth PCMARKER, 36263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 363aeef8fc5c6124a34bd2a723071a3982b559c26f2Andrew Lenharth // READCYCLECOUNTER - This corresponds to the readcyclecounter intrinsic. 3648b91c77385a055474d271aa8c10f0382fdeaafebAndrew Lenharth // The only operand is a chain and a value and a chain are produced. The 3658b91c77385a055474d271aa8c10f0382fdeaafebAndrew Lenharth // value is the contents of the architecture specific cycle counter like 3668b91c77385a055474d271aa8c10f0382fdeaafebAndrew Lenharth // register (or other high accuracy low latency clock source) 367aeef8fc5c6124a34bd2a723071a3982b559c26f2Andrew Lenharth READCYCLECOUNTER, 368aeef8fc5c6124a34bd2a723071a3982b559c26f2Andrew Lenharth 36921074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // READPORT, WRITEPORT, READIO, WRITEIO - These correspond to the LLVM 37021074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // intrinsics of the same name. The first operand is a token chain, the 37121074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // other operands match the intrinsic. These produce a token chain in 37221074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // addition to a value (if any). 37321074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner READPORT, WRITEPORT, READIO, WRITEIO, 374d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner 375d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner // HANDLENODE node - Used as a handle for various purposes. 376d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner HANDLENODE, 3772d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 37847725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // LOCATION - This node is used to represent a source location for debug 37947725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // info. It takes token chain as input, then a line number, then a column 38047725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // number, then a filename, then a working dir. It produces a token chain 38147725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // as output. 38247725d059b259f8a0c145478300c9e9caa006b59Chris Lattner LOCATION, 38347725d059b259f8a0c145478300c9e9caa006b59Chris Lattner 384f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey // DEBUG_LOC - This node is used to represent source line information 385abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey // embedded in the code. It takes a token chain as input, then a line 386abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey // number, then a column then a file id (provided by MachineDebugInfo.) It 387abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey // produces a token chain as output. 388f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey DEBUG_LOC, 389f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey 390abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey // DEBUG_LABEL - This node is used to mark a location in the code where a 391abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey // label should be generated for use by the debug information. It takes a 392df0f659517f688d18922d5b377380366c8a6dfe9Jim Laskey // token chain as input and then a unique id (provided by MachineDebugInfo.) 393df0f659517f688d18922d5b377380366c8a6dfe9Jim Laskey // It produces a token chain as output. 394abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey DEBUG_LABEL, 395abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 39663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BUILTIN_OP_END - This must be the last enum value in this list. 39763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BUILTIN_OP_END, 39863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner }; 39963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 40063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner //===--------------------------------------------------------------------===// 40163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// ISD::CondCode enum - These are ordered carefully to make the bitfields 40263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// below work out, when considering SETFALSE (something that never exists 40363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// dynamically) as 0. "U" -> Unsigned (for integer operands) or Unordered 40463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// (for floating point), "L" -> Less than, "G" -> Greater than, "E" -> Equal 40563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// to. If the "N" column is 1, the result of the comparison is undefined if 40663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// the input is a NAN. 40763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 40863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// All of these (except for the 'always folded ops') should be handled for 40963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// floating point. For integer, only the SETEQ,SETNE,SETLT,SETLE,SETGT, 41063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// SETGE,SETULT,SETULE,SETUGT, and SETUGE opcodes are used. 41163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 41263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// Note that these are laid out in a specific order to allow bit-twiddling 41363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// to transform conditions. 41463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner enum CondCode { 41563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Opcode N U L G E Intuitive operation 41663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETFALSE, // 0 0 0 0 Always false (always folded) 41763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOEQ, // 0 0 0 1 True if ordered and equal 41863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOGT, // 0 0 1 0 True if ordered and greater than 41963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOGE, // 0 0 1 1 True if ordered and greater than or equal 42063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOLT, // 0 1 0 0 True if ordered and less than 42163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOLE, // 0 1 0 1 True if ordered and less than or equal 42263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETONE, // 0 1 1 0 True if ordered and operands are unequal 42363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETO, // 0 1 1 1 True if ordered (no nans) 42463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUO, // 1 0 0 0 True if unordered: isnan(X) | isnan(Y) 42563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUEQ, // 1 0 0 1 True if unordered or equal 42663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUGT, // 1 0 1 0 True if unordered or greater than 42763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUGE, // 1 0 1 1 True if unordered, greater than, or equal 42863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETULT, // 1 1 0 0 True if unordered or less than 429ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman SETULE, // 1 1 0 1 True if unordered, less than, or equal 43063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUNE, // 1 1 1 0 True if unordered or not equal 43163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETTRUE, // 1 1 1 1 Always true (always folded) 43263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Don't care operations: undefined if the input is a nan. 43363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETFALSE2, // 1 X 0 0 0 Always false (always folded) 43463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETEQ, // 1 X 0 0 1 True if equal 43563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETGT, // 1 X 0 1 0 True if greater than 43663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETGE, // 1 X 0 1 1 True if greater than or equal 43763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETLT, // 1 X 1 0 0 True if less than 438ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman SETLE, // 1 X 1 0 1 True if less than or equal 43963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETNE, // 1 X 1 1 0 True if not equal 44063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETTRUE2, // 1 X 1 1 1 Always true (always folded) 44163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 44263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETCC_INVALID, // Marker value. 44363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner }; 44463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 44563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isSignedIntSetCC - Return true if this is a setcc instruction that 44663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// performs a signed comparison when used with integer operands. 44763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline bool isSignedIntSetCC(CondCode Code) { 44863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Code == SETGT || Code == SETGE || Code == SETLT || Code == SETLE; 44963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 45063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 45163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isUnsignedIntSetCC - Return true if this is a setcc instruction that 45263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// performs an unsigned comparison when used with integer operands. 45363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline bool isUnsignedIntSetCC(CondCode Code) { 45463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Code == SETUGT || Code == SETUGE || Code == SETULT || Code == SETULE; 45563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 45663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 45763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isTrueWhenEqual - Return true if the specified condition returns true if 45863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// the two operands to the condition are equal. Note that if one of the two 45963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// operands is a NaN, this value is meaningless. 46063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline bool isTrueWhenEqual(CondCode Cond) { 46163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return ((int)Cond & 1) != 0; 46263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 46363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 46463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getUnorderedFlavor - This function returns 0 if the condition is always 46563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// false if an operand is a NaN, 1 if the condition is always true if the 46663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// operand is a NaN, and 2 if the condition is undefined if the operand is a 46763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// NaN. 46863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline unsigned getUnorderedFlavor(CondCode Cond) { 46963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return ((int)Cond >> 3) & 3; 47063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 47163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 47263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCInverse - Return the operation corresponding to !(X op Y), where 47363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 'op' is a valid SetCC operation. 47463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCInverse(CondCode Operation, bool isInteger); 47563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 47663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCSwappedOperands - Return the operation corresponding to (Y op X) 47763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// when given the operation for (X op Y). 47863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCSwappedOperands(CondCode Operation); 47963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 48063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCOrOperation - Return the result of a logical OR between different 48163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// comparisons of identical values: ((X op1 Y) | (X op2 Y)). This 48263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// function returns SETCC_INVALID if it is not possible to represent the 48363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// resultant comparison. 48463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCOrOperation(CondCode Op1, CondCode Op2, bool isInteger); 48563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 48663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCAndOperation - Return the result of a logical AND between 48763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// different comparisons of identical values: ((X op1 Y) & (X op2 Y)). This 48863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// function returns SETCC_INVALID if it is not possible to represent the 48963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// resultant comparison. 49063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCAndOperation(CondCode Op1, CondCode Op2, bool isInteger); 49163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} // end llvm::ISD namespace 49263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 49363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 49463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===----------------------------------------------------------------------===// 49563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SDOperand - Unlike LLVM values, Selection DAG nodes may return multiple 49663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// values as the result of a computation. Many nodes return multiple values, 49763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// from loads (which define a token and a return value) to ADDC (which returns 49863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// a result and a carry value), to calls (which may return an arbitrary number 49963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// of values). 50063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 50163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// As such, each use of a SelectionDAG computation must indicate the node that 50263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// computes it as well as which return value to use from that node. This pair 50363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// of information is represented with the SDOperand value type. 50463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 505f26bc8ef4827cf0023a7052b62b920b41813d473Chris Lattnerclass SDOperand { 506f26bc8ef4827cf0023a7052b62b920b41813d473Chris Lattnerpublic: 50763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDNode *Val; // The node defining the value we are using. 50863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned ResNo; // Which return value of the node we are using. 50963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 51063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDOperand() : Val(0) {} 51163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDOperand(SDNode *val, unsigned resno) : Val(val), ResNo(resno) {} 51263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 51363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool operator==(const SDOperand &O) const { 51463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val == O.Val && ResNo == O.ResNo; 51563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 51663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool operator!=(const SDOperand &O) const { 51763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return !operator==(O); 51863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 51963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool operator<(const SDOperand &O) const { 52063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val < O.Val || (Val == O.Val && ResNo < O.ResNo); 52163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 52263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 52363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDOperand getValue(unsigned R) const { 52463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return SDOperand(Val, R); 52563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 52663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 52763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getValueType - Return the ValueType of the referenced return value. 52863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 52963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline MVT::ValueType getValueType() const; 530ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 53163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Forwarding methods - These forward to the corresponding methods in SDNode. 53263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline unsigned getOpcode() const; 5330442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner inline unsigned getNodeDepth() const; 53463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline unsigned getNumOperands() const; 53563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline const SDOperand &getOperand(unsigned i) const; 5360f66a9172175aa7c3055333358170581c999219bNate Begeman inline bool isTargetOpcode() const; 5370f66a9172175aa7c3055333358170581c999219bNate Begeman inline unsigned getTargetOpcode() const; 538a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner 539a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner /// hasOneUse - Return true if there is exactly one operation using this 540a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner /// result value of the defining operator. 541a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner inline bool hasOneUse() const; 54263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 54363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 54463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 54563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// simplify_type specializations - Allow casting operators to work directly on 54663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SDOperands as if they were SDNode*'s. 54763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnertemplate<> struct simplify_type<SDOperand> { 54863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner typedef SDNode* SimpleType; 54963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static SimpleType getSimplifiedValue(const SDOperand &Val) { 55063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return static_cast<SimpleType>(Val.Val); 55163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 55263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 55363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnertemplate<> struct simplify_type<const SDOperand> { 55463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner typedef SDNode* SimpleType; 55563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static SimpleType getSimplifiedValue(const SDOperand &Val) { 55663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return static_cast<SimpleType>(Val.Val); 55763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 55863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 55963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 56063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 56163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SDNode - Represents one node in the SelectionDAG. 56263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 56363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass SDNode { 5640442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// NodeType - The operation that this node performs. 5650442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// 5660442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner unsigned short NodeType; 5670442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 5680442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// NodeDepth - Node depth is defined as MAX(Node depth of children)+1. This 5690442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// means that leaves have a depth of 1, things that use only leaves have a 5700442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// depth of 2, etc. 5710442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner unsigned short NodeDepth; 5720442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 573f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// OperandList - The values that are used by this operation. 5740442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// 575f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner SDOperand *OperandList; 576f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner 577f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// ValueList - The types of the values this node defines. SDNode's may 578f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// define multiple values simultaneously. 579f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner MVT::ValueType *ValueList; 58063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 581f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// NumOperands/NumValues - The number of entries in the Operand/Value list. 582f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner unsigned short NumOperands, NumValues; 583b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 584b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner /// Prev/Next pointers - These pointers form the linked list of of the 585b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner /// AllNodes list in the current DAG. 586b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner SDNode *Prev, *Next; 587b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner friend struct ilist_traits<SDNode>; 58863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 58963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// Uses - These are all of the SDNode's that use a value produced by this 59063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// node. 59163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner std::vector<SDNode*> Uses; 59263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 593b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner virtual ~SDNode() { 594b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner assert(NumOperands == 0 && "Operand list not cleared before deletion"); 595b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner } 596b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 59763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner //===--------------------------------------------------------------------===// 59863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Accessors 59963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // 60063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned getOpcode() const { return NodeType; } 6010f66a9172175aa7c3055333358170581c999219bNate Begeman bool isTargetOpcode() const { return NodeType >= ISD::BUILTIN_OP_END; } 6020f66a9172175aa7c3055333358170581c999219bNate Begeman unsigned getTargetOpcode() const { 6030f66a9172175aa7c3055333358170581c999219bNate Begeman assert(isTargetOpcode() && "Not a target opcode!"); 6040f66a9172175aa7c3055333358170581c999219bNate Begeman return NodeType - ISD::BUILTIN_OP_END; 6050f66a9172175aa7c3055333358170581c999219bNate Begeman } 60663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 60763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner size_t use_size() const { return Uses.size(); } 60863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool use_empty() const { return Uses.empty(); } 60963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool hasOneUse() const { return Uses.size() == 1; } 61063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 6110442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// getNodeDepth - Return the distance from this node to the leaves in the 6120442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// graph. The leaves have a depth of 1. 6130442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner unsigned getNodeDepth() const { return NodeDepth; } 6140442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 6157ece380440238ad0630a225b85a09a2dbed1165aChris Lattner typedef std::vector<SDNode*>::const_iterator use_iterator; 6167ece380440238ad0630a225b85a09a2dbed1165aChris Lattner use_iterator use_begin() const { return Uses.begin(); } 6177ece380440238ad0630a225b85a09a2dbed1165aChris Lattner use_iterator use_end() const { return Uses.end(); } 6187ece380440238ad0630a225b85a09a2dbed1165aChris Lattner 619b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner /// hasNUsesOfValue - Return true if there are exactly NUSES uses of the 620b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner /// indicated value. This method ignores uses of other values defined by this 621b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner /// operation. 6224ee621125876cc954cba5280dd9395552755a871Evan Cheng bool hasNUsesOfValue(unsigned NUses, unsigned Value) const; 6234ee621125876cc954cba5280dd9395552755a871Evan Cheng 6244ee621125876cc954cba5280dd9395552755a871Evan Cheng // isOnlyUse - Return true if this node is the only use of N. 6254ee621125876cc954cba5280dd9395552755a871Evan Cheng bool isOnlyUse(SDNode *N) const; 626b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner 62763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getNumOperands - Return the number of values used by this operation. 62863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 629f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner unsigned getNumOperands() const { return NumOperands; } 63063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 63163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner const SDOperand &getOperand(unsigned Num) const { 632f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(Num < NumOperands && "Invalid child # of SDNode!"); 633f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner return OperandList[Num]; 63463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 635f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner typedef const SDOperand* op_iterator; 636f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner op_iterator op_begin() const { return OperandList; } 637f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner op_iterator op_end() const { return OperandList+NumOperands; } 63850f5a51f41d36c519de68ff11fbf7c7c76f45416Chris Lattner 63963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 64063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getNumValues - Return the number of values defined/returned by this 64163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// operator. 64263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 643f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner unsigned getNumValues() const { return NumValues; } 64463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 64563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getValueType - Return the type of a specified result. 64663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 64763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner MVT::ValueType getValueType(unsigned ResNo) const { 648f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(ResNo < NumValues && "Illegal result number!"); 649f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner return ValueList[ResNo]; 65063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 6519eb59ec548b861d6ede05b4e6dc22aabf645e665Jeff Cohen 652f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner typedef const MVT::ValueType* value_iterator; 653f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner value_iterator value_begin() const { return ValueList; } 654f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner value_iterator value_end() const { return ValueList+NumValues; } 65563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 6566e6e3ceb080e5a8bdfd3258d883a06ebbd8a1965Chris Lattner /// getOperationName - Return the opcode of this operation for printing. 6576e6e3ceb080e5a8bdfd3258d883a06ebbd8a1965Chris Lattner /// 658efe58694050e48b61584b8454434dcd1ad886a71Chris Lattner const char* getOperationName(const SelectionDAG *G = 0) const; 65963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner void dump() const; 660efe58694050e48b61584b8454434dcd1ad886a71Chris Lattner void dump(const SelectionDAG *G) const; 66163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 66263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *) { return true; } 66363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 66463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 66563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 666109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner 667109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner /// getValueTypeList - Return a pointer to the specified value type. 668109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner /// 669109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner static MVT::ValueType *getValueTypeList(MVT::ValueType VT); 67063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 6710442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner SDNode(unsigned NT, MVT::ValueType VT) : NodeType(NT), NodeDepth(1) { 672f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = 0; NumOperands = 0; 673109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner ValueList = getValueTypeList(VT); 674f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumValues = 1; 675b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner Prev = 0; Next = 0; 67663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 67763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDNode(unsigned NT, SDOperand Op) 6780442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner : NodeType(NT), NodeDepth(Op.Val->getNodeDepth()+1) { 679f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[1]; 680f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[0] = Op; 681f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 1; 68263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner Op.Val->Uses.push_back(this); 683f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner ValueList = 0; 684f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumValues = 0; 685b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner Prev = 0; Next = 0; 68663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 68763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDNode(unsigned NT, SDOperand N1, SDOperand N2) 68863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner : NodeType(NT) { 6890442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner if (N1.Val->getNodeDepth() > N2.Val->getNodeDepth()) 6900442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner NodeDepth = N1.Val->getNodeDepth()+1; 6910442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner else 6920442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner NodeDepth = N2.Val->getNodeDepth()+1; 693f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[2]; 694f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[0] = N1; 695f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[1] = N2; 696f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 2; 69763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner N1.Val->Uses.push_back(this); N2.Val->Uses.push_back(this); 698f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner ValueList = 0; 699f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumValues = 0; 700b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner Prev = 0; Next = 0; 70163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 70263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDNode(unsigned NT, SDOperand N1, SDOperand N2, SDOperand N3) 70363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner : NodeType(NT) { 7040442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner unsigned ND = N1.Val->getNodeDepth(); 7050442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner if (ND < N2.Val->getNodeDepth()) 7060442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner ND = N2.Val->getNodeDepth(); 7070442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner if (ND < N3.Val->getNodeDepth()) 7080442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner ND = N3.Val->getNodeDepth(); 7090442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner NodeDepth = ND+1; 7100442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 711f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[3]; 712f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[0] = N1; 713f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[1] = N2; 714f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[2] = N3; 715f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 3; 716f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner 71763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner N1.Val->Uses.push_back(this); N2.Val->Uses.push_back(this); 71863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner N3.Val->Uses.push_back(this); 719f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner ValueList = 0; 720f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumValues = 0; 721b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner Prev = 0; Next = 0; 72263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 7232d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth SDNode(unsigned NT, SDOperand N1, SDOperand N2, SDOperand N3, SDOperand N4) 7242d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth : NodeType(NT) { 7252d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth unsigned ND = N1.Val->getNodeDepth(); 7262d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth if (ND < N2.Val->getNodeDepth()) 7272d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth ND = N2.Val->getNodeDepth(); 7282d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth if (ND < N3.Val->getNodeDepth()) 7292d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth ND = N3.Val->getNodeDepth(); 7302d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth if (ND < N4.Val->getNodeDepth()) 7312d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth ND = N4.Val->getNodeDepth(); 7322d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth NodeDepth = ND+1; 7332d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 734f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[4]; 735f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[0] = N1; 736f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[1] = N2; 737f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[2] = N3; 738f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[3] = N4; 739f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 4; 740f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner 7412d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth N1.Val->Uses.push_back(this); N2.Val->Uses.push_back(this); 7422d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth N3.Val->Uses.push_back(this); N4.Val->Uses.push_back(this); 743f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner ValueList = 0; 744f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumValues = 0; 745b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner Prev = 0; Next = 0; 7462d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth } 747f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner SDNode(unsigned Opc, const std::vector<SDOperand> &Nodes) : NodeType(Opc) { 748f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = Nodes.size(); 749f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[NumOperands]; 750f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner 7510442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner unsigned ND = 0; 752f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner for (unsigned i = 0, e = Nodes.size(); i != e; ++i) { 753f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[i] = Nodes[i]; 754f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner SDNode *N = OperandList[i].Val; 755f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner N->Uses.push_back(this); 756f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner if (ND < N->getNodeDepth()) ND = N->getNodeDepth(); 7570442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner } 7580442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner NodeDepth = ND+1; 759f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner ValueList = 0; 760f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumValues = 0; 761b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner Prev = 0; Next = 0; 762f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner } 7631b95095857b78e12138c22e76c7936611c51355bChris Lattner 7641b95095857b78e12138c22e76c7936611c51355bChris Lattner /// MorphNodeTo - This clears the return value and operands list, and sets the 7651b95095857b78e12138c22e76c7936611c51355bChris Lattner /// opcode of the node to the specified value. This should only be used by 7661b95095857b78e12138c22e76c7936611c51355bChris Lattner /// the SelectionDAG class. 7671b95095857b78e12138c22e76c7936611c51355bChris Lattner void MorphNodeTo(unsigned Opc) { 7681b95095857b78e12138c22e76c7936611c51355bChris Lattner NodeType = Opc; 769f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner ValueList = 0; 770f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumValues = 0; 771b467f8af4125471361468ab91dbedba2abf2e09aChris Lattner 772b467f8af4125471361468ab91dbedba2abf2e09aChris Lattner // Clear the operands list, updating used nodes to remove this from their 773b467f8af4125471361468ab91dbedba2abf2e09aChris Lattner // use list. 774f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner for (op_iterator I = op_begin(), E = op_end(); I != E; ++I) 775f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner I->Val->removeUser(this); 776f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner delete [] OperandList; 777f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = 0; 778f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 0; 77963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 7801b95095857b78e12138c22e76c7936611c51355bChris Lattner 78163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner void setValueTypes(MVT::ValueType VT) { 782f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(NumValues == 0 && "Should not have values yet!"); 783109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner ValueList = getValueTypeList(VT); 784f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumValues = 1; 78563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 786109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner void setValueTypes(MVT::ValueType *List, unsigned NumVal) { 787f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(NumValues == 0 && "Should not have values yet!"); 788109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner ValueList = List; 789109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner NumValues = NumVal; 79063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 7911b95095857b78e12138c22e76c7936611c51355bChris Lattner 7921b95095857b78e12138c22e76c7936611c51355bChris Lattner void setOperands(SDOperand Op0) { 793f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(NumOperands == 0 && "Should not have operands yet!"); 794f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[1]; 795f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[0] = Op0; 796f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 1; 7978c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Op0.Val->Uses.push_back(this); 7981b95095857b78e12138c22e76c7936611c51355bChris Lattner } 7991b95095857b78e12138c22e76c7936611c51355bChris Lattner void setOperands(SDOperand Op0, SDOperand Op1) { 800f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(NumOperands == 0 && "Should not have operands yet!"); 801f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[2]; 802f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[0] = Op0; 803f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[1] = Op1; 804f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 2; 8058c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Op0.Val->Uses.push_back(this); Op1.Val->Uses.push_back(this); 8061b95095857b78e12138c22e76c7936611c51355bChris Lattner } 8071b95095857b78e12138c22e76c7936611c51355bChris Lattner void setOperands(SDOperand Op0, SDOperand Op1, SDOperand Op2) { 808f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(NumOperands == 0 && "Should not have operands yet!"); 809f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[3]; 810f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[0] = Op0; 811f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[1] = Op1; 812f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[2] = Op2; 813f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 3; 8148c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Op0.Val->Uses.push_back(this); Op1.Val->Uses.push_back(this); 8158c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Op2.Val->Uses.push_back(this); 8168c3484c5181834e6b7060a6064ac769878101f23Chris Lattner } 817294a0a103d561864f2089b9f5948fb1a49801918Nate Begeman void setOperands(SDOperand Op0, SDOperand Op1, SDOperand Op2, SDOperand Op3) { 818f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(NumOperands == 0 && "Should not have operands yet!"); 819f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[4]; 820f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[0] = Op0; 821f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[1] = Op1; 822f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[2] = Op2; 823f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[3] = Op3; 824f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 4; 825294a0a103d561864f2089b9f5948fb1a49801918Nate Begeman Op0.Val->Uses.push_back(this); Op1.Val->Uses.push_back(this); 826294a0a103d561864f2089b9f5948fb1a49801918Nate Begeman Op2.Val->Uses.push_back(this); Op3.Val->Uses.push_back(this); 827294a0a103d561864f2089b9f5948fb1a49801918Nate Begeman } 828d54209fcf9af827fecfaf32685a0fb8caf7cadb1Chris Lattner void setOperands(SDOperand Op0, SDOperand Op1, SDOperand Op2, SDOperand Op3, 829d54209fcf9af827fecfaf32685a0fb8caf7cadb1Chris Lattner SDOperand Op4) { 830f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(NumOperands == 0 && "Should not have operands yet!"); 831f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList = new SDOperand[5]; 832f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[0] = Op0; 833f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[1] = Op1; 834f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[2] = Op2; 835f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[3] = Op3; 836f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner OperandList[4] = Op4; 837f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner NumOperands = 5; 838d54209fcf9af827fecfaf32685a0fb8caf7cadb1Chris Lattner Op0.Val->Uses.push_back(this); Op1.Val->Uses.push_back(this); 839d54209fcf9af827fecfaf32685a0fb8caf7cadb1Chris Lattner Op2.Val->Uses.push_back(this); Op3.Val->Uses.push_back(this); 840d54209fcf9af827fecfaf32685a0fb8caf7cadb1Chris Lattner Op4.Val->Uses.push_back(this); 841d54209fcf9af827fecfaf32685a0fb8caf7cadb1Chris Lattner } 84261ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng void setOperands(SDOperand Op0, SDOperand Op1, SDOperand Op2, SDOperand Op3, 84361ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng SDOperand Op4, SDOperand Op5) { 84461ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng assert(NumOperands == 0 && "Should not have operands yet!"); 84561ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng OperandList = new SDOperand[6]; 84661ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng OperandList[0] = Op0; 84761ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng OperandList[1] = Op1; 84861ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng OperandList[2] = Op2; 84961ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng OperandList[3] = Op3; 85061ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng OperandList[4] = Op4; 85161ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng OperandList[5] = Op5; 85261ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng NumOperands = 6; 85361ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng Op0.Val->Uses.push_back(this); Op1.Val->Uses.push_back(this); 85461ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng Op2.Val->Uses.push_back(this); Op3.Val->Uses.push_back(this); 85561ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng Op4.Val->Uses.push_back(this); Op5.Val->Uses.push_back(this); 85661ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng } 8578c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth void setOperands(SDOperand Op0, SDOperand Op1, SDOperand Op2, SDOperand Op3, 8588c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth SDOperand Op4, SDOperand Op5, SDOperand Op6) { 8598c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth assert(NumOperands == 0 && "Should not have operands yet!"); 8608c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth OperandList = new SDOperand[7]; 8618c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth OperandList[0] = Op0; 8628c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth OperandList[1] = Op1; 8638c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth OperandList[2] = Op2; 8648c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth OperandList[3] = Op3; 8658c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth OperandList[4] = Op4; 8668c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth OperandList[5] = Op5; 8678c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth OperandList[6] = Op6; 8688c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth NumOperands = 7; 8698c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth Op0.Val->Uses.push_back(this); Op1.Val->Uses.push_back(this); 8708c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth Op2.Val->Uses.push_back(this); Op3.Val->Uses.push_back(this); 8718c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth Op4.Val->Uses.push_back(this); Op5.Val->Uses.push_back(this); 8728c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth Op6.Val->Uses.push_back(this); 8738c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth } 8747cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth void setOperands(SDOperand Op0, SDOperand Op1, SDOperand Op2, SDOperand Op3, 8757cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth SDOperand Op4, SDOperand Op5, SDOperand Op6, SDOperand Op7) { 8767cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth assert(NumOperands == 0 && "Should not have operands yet!"); 8777cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth OperandList = new SDOperand[8]; 8787cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth OperandList[0] = Op0; 8797cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth OperandList[1] = Op1; 8807cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth OperandList[2] = Op2; 8817cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth OperandList[3] = Op3; 8827cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth OperandList[4] = Op4; 8837cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth OperandList[5] = Op5; 8847cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth OperandList[6] = Op6; 8857cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth OperandList[7] = Op7; 8867cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth NumOperands = 8; 8877cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth Op0.Val->Uses.push_back(this); Op1.Val->Uses.push_back(this); 8887cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth Op2.Val->Uses.push_back(this); Op3.Val->Uses.push_back(this); 8897cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth Op4.Val->Uses.push_back(this); Op5.Val->Uses.push_back(this); 8907cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth Op6.Val->Uses.push_back(this); Op7.Val->Uses.push_back(this); 8917cf11b4ab248d6ab7fb0d9df0b72baf158201abeAndrew Lenharth } 8928c6f1ee5aa376118f1cb7b16b62994fc255eac56Andrew Lenharth 8938c3484c5181834e6b7060a6064ac769878101f23Chris Lattner void addUser(SDNode *User) { 8948c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Uses.push_back(User); 8951b95095857b78e12138c22e76c7936611c51355bChris Lattner } 896d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner void removeUser(SDNode *User) { 897d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner // Remove this user from the operand's use list. 898d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner for (unsigned i = Uses.size(); ; --i) { 899d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner assert(i != 0 && "Didn't find user!"); 900d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner if (Uses[i-1] == User) { 9018c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Uses[i-1] = Uses.back(); 9028c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Uses.pop_back(); 9038c3484c5181834e6b7060a6064ac769878101f23Chris Lattner return; 904d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner } 905d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner } 906d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner } 90763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 90863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 90963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 91063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// Define inline functions from the SDOperand class. 91163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 91263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerinline unsigned SDOperand::getOpcode() const { 91363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getOpcode(); 91463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 9150442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattnerinline unsigned SDOperand::getNodeDepth() const { 9160442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner return Val->getNodeDepth(); 9170442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner} 91863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerinline MVT::ValueType SDOperand::getValueType() const { 91963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getValueType(ResNo); 92063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 92163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerinline unsigned SDOperand::getNumOperands() const { 92263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getNumOperands(); 92363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 92463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerinline const SDOperand &SDOperand::getOperand(unsigned i) const { 92563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getOperand(i); 92663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 9270f66a9172175aa7c3055333358170581c999219bNate Begemaninline bool SDOperand::isTargetOpcode() const { 9280f66a9172175aa7c3055333358170581c999219bNate Begeman return Val->isTargetOpcode(); 9290f66a9172175aa7c3055333358170581c999219bNate Begeman} 9300f66a9172175aa7c3055333358170581c999219bNate Begemaninline unsigned SDOperand::getTargetOpcode() const { 9310f66a9172175aa7c3055333358170581c999219bNate Begeman return Val->getTargetOpcode(); 9320f66a9172175aa7c3055333358170581c999219bNate Begeman} 933a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattnerinline bool SDOperand::hasOneUse() const { 934a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner return Val->hasNUsesOfValue(1, ResNo); 935a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner} 93663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 937d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// HandleSDNode - This class is used to form a handle around another node that 938d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// is persistant and is updated across invocations of replaceAllUsesWith on its 939d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// operand. This node should be directly created by end-users and not added to 940d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// the AllNodes list. 941d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattnerclass HandleSDNode : public SDNode { 942d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattnerpublic: 943d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner HandleSDNode(SDOperand X) : SDNode(ISD::HANDLENODE, X) {} 944d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner ~HandleSDNode() { 945d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner MorphNodeTo(ISD::HANDLENODE); // Drops operand uses. 946d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner } 947d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner 948d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner SDOperand getValue() const { return getOperand(0); } 949d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner}; 950d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner 95147725d059b259f8a0c145478300c9e9caa006b59Chris Lattnerclass StringSDNode : public SDNode { 95247725d059b259f8a0c145478300c9e9caa006b59Chris Lattner std::string Value; 95347725d059b259f8a0c145478300c9e9caa006b59Chris Lattnerprotected: 95447725d059b259f8a0c145478300c9e9caa006b59Chris Lattner friend class SelectionDAG; 95547725d059b259f8a0c145478300c9e9caa006b59Chris Lattner StringSDNode(const std::string &val) 95647725d059b259f8a0c145478300c9e9caa006b59Chris Lattner : SDNode(ISD::STRING, MVT::Other), Value(val) { 95747725d059b259f8a0c145478300c9e9caa006b59Chris Lattner } 95847725d059b259f8a0c145478300c9e9caa006b59Chris Lattnerpublic: 95947725d059b259f8a0c145478300c9e9caa006b59Chris Lattner const std::string &getValue() const { return Value; } 96047725d059b259f8a0c145478300c9e9caa006b59Chris Lattner static bool classof(const StringSDNode *) { return true; } 96147725d059b259f8a0c145478300c9e9caa006b59Chris Lattner static bool classof(const SDNode *N) { 96247725d059b259f8a0c145478300c9e9caa006b59Chris Lattner return N->getOpcode() == ISD::STRING; 96347725d059b259f8a0c145478300c9e9caa006b59Chris Lattner } 96447725d059b259f8a0c145478300c9e9caa006b59Chris Lattner}; 96563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 96663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ConstantSDNode : public SDNode { 96763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner uint64_t Value; 96863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 96963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 970056f9f61d071c6c583951678f2bf543a1316efccChris Lattner ConstantSDNode(bool isTarget, uint64_t val, MVT::ValueType VT) 971056f9f61d071c6c583951678f2bf543a1316efccChris Lattner : SDNode(isTarget ? ISD::TargetConstant : ISD::Constant, VT), Value(val) { 97263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 97363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 97463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 97563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner uint64_t getValue() const { return Value; } 97663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 97763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner int64_t getSignExtended() const { 97863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned Bits = MVT::getSizeInBits(getValueType(0)); 979f26bc8ef4827cf0023a7052b62b920b41813d473Chris Lattner return ((int64_t)Value << (64-Bits)) >> (64-Bits); 98063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 98163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 98263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool isNullValue() const { return Value == 0; } 98363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool isAllOnesValue() const { 9842bffad3eebff7997599d12c17248ae580ba17cb8Chris Lattner int NumBits = MVT::getSizeInBits(getValueType(0)); 9852bffad3eebff7997599d12c17248ae580ba17cb8Chris Lattner if (NumBits == 64) return Value+1 == 0; 9862bffad3eebff7997599d12c17248ae580ba17cb8Chris Lattner return Value == (1ULL << NumBits)-1; 98763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 98863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 98963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ConstantSDNode *) { return true; } 99063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 991056f9f61d071c6c583951678f2bf543a1316efccChris Lattner return N->getOpcode() == ISD::Constant || 992056f9f61d071c6c583951678f2bf543a1316efccChris Lattner N->getOpcode() == ISD::TargetConstant; 99363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 99463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 99563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 99663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ConstantFPSDNode : public SDNode { 99763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner double Value; 99863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 99963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1000ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner ConstantFPSDNode(bool isTarget, double val, MVT::ValueType VT) 1001ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner : SDNode(isTarget ? ISD::TargetConstantFP : ISD::ConstantFP, VT), 1002ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner Value(val) { 100363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 100463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 100563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 100663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner double getValue() const { return Value; } 100763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 100863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isExactlyValue - We don't rely on operator== working on double values, as 100963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// it returns true for things that are clearly not equal, like -0.0 and 0.0. 101063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// As such, this method can be used to do an exact bit-for-bit comparison of 101163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// two floating point values. 101258b968be853ef02d0f448e5e2c31676e361c210fJim Laskey bool isExactlyValue(double V) const; 101363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 101463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ConstantFPSDNode *) { return true; } 101563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1016ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner return N->getOpcode() == ISD::ConstantFP || 1017ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner N->getOpcode() == ISD::TargetConstantFP; 101863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 101963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 102063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 102163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass GlobalAddressSDNode : public SDNode { 102263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner GlobalValue *TheGlobal; 102361ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng int offset; 102463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 102563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 102661ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng GlobalAddressSDNode(bool isTarget, const GlobalValue *GA, MVT::ValueType VT, 102761ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng int o=0) 1028f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner : SDNode(isTarget ? ISD::TargetGlobalAddress : ISD::GlobalAddress, VT) { 102963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner TheGlobal = const_cast<GlobalValue*>(GA); 103061ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng offset = o; 103163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 103263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 103363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 103463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner GlobalValue *getGlobal() const { return TheGlobal; } 103561ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng int getOffset() const { return offset; } 103663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 103763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const GlobalAddressSDNode *) { return true; } 103863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1039f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner return N->getOpcode() == ISD::GlobalAddress || 1040f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner N->getOpcode() == ISD::TargetGlobalAddress; 104163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 104263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 104363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 104463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 104563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass FrameIndexSDNode : public SDNode { 104663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner int FI; 104763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 104863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1049afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner FrameIndexSDNode(int fi, MVT::ValueType VT, bool isTarg) 1050afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner : SDNode(isTarg ? ISD::TargetFrameIndex : ISD::FrameIndex, VT), FI(fi) {} 105163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 105263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 105363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner int getIndex() const { return FI; } 105463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 105563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const FrameIndexSDNode *) { return true; } 105663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1057afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner return N->getOpcode() == ISD::FrameIndex || 1058afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner N->getOpcode() == ISD::TargetFrameIndex; 105963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 106063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 106163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 106263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ConstantPoolSDNode : public SDNode { 10635839bf2b3bd22689d9dd0e9de66c2dce71d130aeChris Lattner Constant *C; 1064b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng unsigned Alignment; 106563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 106663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 10675839bf2b3bd22689d9dd0e9de66c2dce71d130aeChris Lattner ConstantPoolSDNode(Constant *c, MVT::ValueType VT, bool isTarget) 1068aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, VT), 1069b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng C(c), Alignment(0) {} 1070b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng ConstantPoolSDNode(Constant *c, MVT::ValueType VT, unsigned Align, 1071b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng bool isTarget) 1072b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, VT), 1073b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng C(c), Alignment(Align) {} 107463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 107563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 10765839bf2b3bd22689d9dd0e9de66c2dce71d130aeChris Lattner Constant *get() const { return C; } 1077ef3640aded552279f65bd6d18633e15ffb245157Chris Lattner 1078ef3640aded552279f65bd6d18633e15ffb245157Chris Lattner // Return the alignment of this constant pool object, which is either 0 (for 1079ef3640aded552279f65bd6d18633e15ffb245157Chris Lattner // default alignment) or log2 of the desired value. 1080b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng unsigned getAlignment() const { return Alignment; } 108163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 108263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ConstantPoolSDNode *) { return true; } 108363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1084aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner return N->getOpcode() == ISD::ConstantPool || 1085aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner N->getOpcode() == ISD::TargetConstantPool; 108663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 108763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 108863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 108963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass BasicBlockSDNode : public SDNode { 109063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner MachineBasicBlock *MBB; 109163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 109263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 109363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BasicBlockSDNode(MachineBasicBlock *mbb) 109463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner : SDNode(ISD::BasicBlock, MVT::Other), MBB(mbb) {} 109563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 109663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 109763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner MachineBasicBlock *getBasicBlock() const { return MBB; } 109863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 109963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const BasicBlockSDNode *) { return true; } 110063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 110163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return N->getOpcode() == ISD::BasicBlock; 110263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 110363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 110463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 11052d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharthclass SrcValueSDNode : public SDNode { 11062d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth const Value *V; 1107691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth int offset; 11082d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharthprotected: 11092d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth friend class SelectionDAG; 1110691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth SrcValueSDNode(const Value* v, int o) 1111691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth : SDNode(ISD::SRCVALUE, MVT::Other), V(v), offset(o) {} 11122d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 11132d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharthpublic: 11142d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth const Value *getValue() const { return V; } 1115691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth int getOffset() const { return offset; } 11162d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 11172d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth static bool classof(const SrcValueSDNode *) { return true; } 11182d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth static bool classof(const SDNode *N) { 11192d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth return N->getOpcode() == ISD::SRCVALUE; 11202d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth } 11212d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth}; 11222d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 112363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1124d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattnerclass RegisterSDNode : public SDNode { 112563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned Reg; 112663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 112763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1128d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner RegisterSDNode(unsigned reg, MVT::ValueType VT) 1129d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner : SDNode(ISD::Register, VT), Reg(reg) {} 113063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 113163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 113263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned getReg() const { return Reg; } 113363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1134d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner static bool classof(const RegisterSDNode *) { return true; } 113563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1136d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner return N->getOpcode() == ISD::Register; 113763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 113863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 113963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 114063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ExternalSymbolSDNode : public SDNode { 114163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner const char *Symbol; 114263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 114363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 11442a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth ExternalSymbolSDNode(bool isTarget, const char *Sym, MVT::ValueType VT) 11452a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth : SDNode(isTarget ? ISD::TargetExternalSymbol : ISD::ExternalSymbol, VT), 11462a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth Symbol(Sym) { 114763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 114863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 114963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 115063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner const char *getSymbol() const { return Symbol; } 115163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 115263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ExternalSymbolSDNode *) { return true; } 115363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 11542a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth return N->getOpcode() == ISD::ExternalSymbol || 11552a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth N->getOpcode() == ISD::TargetExternalSymbol; 115663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 115763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 115863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 11597cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattnerclass CondCodeSDNode : public SDNode { 116063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner ISD::CondCode Condition; 116163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 116263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 11637cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner CondCodeSDNode(ISD::CondCode Cond) 11647cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner : SDNode(ISD::CONDCODE, MVT::Other), Condition(Cond) { 116563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 116663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 116763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 11687cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::CondCode get() const { return Condition; } 116963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 11707cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner static bool classof(const CondCodeSDNode *) { return true; } 117163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 11727cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner return N->getOpcode() == ISD::CONDCODE; 117363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 117463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 117563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 117615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner/// VTSDNode - This class is used to represent MVT::ValueType's, which are used 117715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner/// to parameterize some operations. 117815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattnerclass VTSDNode : public SDNode { 117915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner MVT::ValueType ValueType; 118015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattnerprotected: 118115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner friend class SelectionDAG; 118215e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner VTSDNode(MVT::ValueType VT) 118315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner : SDNode(ISD::VALUETYPE, MVT::Other), ValueType(VT) {} 118415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattnerpublic: 118515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 118615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner MVT::ValueType getVT() const { return ValueType; } 118715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 118815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner static bool classof(const VTSDNode *) { return true; } 118915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner static bool classof(const SDNode *N) { 119015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner return N->getOpcode() == ISD::VALUETYPE; 119115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner } 119215e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner}; 119315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 119415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 11951080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnerclass SDNodeIterator : public forward_iterator<SDNode, ptrdiff_t> { 11961080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNode *Node; 11971080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner unsigned Operand; 1198ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 11991080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNodeIterator(SDNode *N, unsigned Op) : Node(N), Operand(Op) {} 12001080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnerpublic: 12011080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner bool operator==(const SDNodeIterator& x) const { 12021080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return Operand == x.Operand; 12031080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 12041080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner bool operator!=(const SDNodeIterator& x) const { return !operator==(x); } 12051080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 12061080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner const SDNodeIterator &operator=(const SDNodeIterator &I) { 12071080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner assert(I.Node == Node && "Cannot assign iterators to two different nodes!"); 12081080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner Operand = I.Operand; 12091080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return *this; 12101080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 1211ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 12121080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner pointer operator*() const { 12131080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return Node->getOperand(Operand).Val; 12141080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 12151080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner pointer operator->() const { return operator*(); } 1216ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 12171080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNodeIterator& operator++() { // Preincrement 12181080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner ++Operand; 12191080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return *this; 12201080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 12211080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNodeIterator operator++(int) { // Postincrement 1222ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman SDNodeIterator tmp = *this; ++*this; return tmp; 12231080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 12241080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 12251080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static SDNodeIterator begin(SDNode *N) { return SDNodeIterator(N, 0); } 12261080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static SDNodeIterator end (SDNode *N) { 12271080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return SDNodeIterator(N, N->getNumOperands()); 12281080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 12291080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 12301080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner unsigned getOperand() const { return Operand; } 12311080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner const SDNode *getNode() const { return Node; } 12321080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner}; 12331080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 12341080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnertemplate <> struct GraphTraits<SDNode*> { 12351080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner typedef SDNode NodeType; 12361080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner typedef SDNodeIterator ChildIteratorType; 12371080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static inline NodeType *getEntryNode(SDNode *N) { return N; } 1238ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman static inline ChildIteratorType child_begin(NodeType *N) { 12391080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return SDNodeIterator::begin(N); 12401080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 1241ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman static inline ChildIteratorType child_end(NodeType *N) { 12421080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return SDNodeIterator::end(N); 12431080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 12441080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner}; 12451080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 1246b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate<> 1247b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnerstruct ilist_traits<SDNode> { 1248b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static SDNode *getPrev(const SDNode *N) { return N->Prev; } 1249b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static SDNode *getNext(const SDNode *N) { return N->Next; } 1250b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1251b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static void setPrev(SDNode *N, SDNode *Prev) { N->Prev = Prev; } 1252b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static void setNext(SDNode *N, SDNode *Next) { N->Next = Next; } 1253b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1254b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static SDNode *createSentinel() { 1255b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner return new SDNode(ISD::EntryToken, MVT::Other); 1256b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner } 1257b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static void destroySentinel(SDNode *N) { delete N; } 1258b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner //static SDNode *createNode(const SDNode &V) { return new SDNode(V); } 1259b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1260b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1261b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner void addNodeToList(SDNode *NTy) {} 1262b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner void removeNodeFromList(SDNode *NTy) {} 1263b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner void transferNodesFromList(iplist<SDNode, ilist_traits> &L2, 1264b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner const ilist_iterator<SDNode> &X, 1265b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner const ilist_iterator<SDNode> &Y) {} 1266b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner}; 1267b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 126863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} // end llvm namespace 126963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 127063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#endif 1271