SelectionDAG.h revision 56ab1a281511dde8c173cd2dc8ef55a916049037
1c3aae25116e66c177579b0b79182b09340b19753Chris Lattner//===-- llvm/CodeGen/SelectionDAG.h - InstSelection DAG ---------*- C++ -*-===// 2ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 36fbcc26f1460eaee4e0eb8b426fc1ff0c7af11beJohn Criswell// The LLVM Compiler Infrastructure 46fbcc26f1460eaee4e0eb8b426fc1ff0c7af11beJohn Criswell// 57ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// This file is distributed under the University of Illinois Open Source 67ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// License. See LICENSE.TXT for details. 7ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 86fbcc26f1460eaee4e0eb8b426fc1ff0c7af11beJohn Criswell//===----------------------------------------------------------------------===// 9ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 10c3aae25116e66c177579b0b79182b09340b19753Chris Lattner// This file declares the SelectionDAG class, and transitively defines the 11c3aae25116e66c177579b0b79182b09340b19753Chris Lattner// SDNode class and subclasses. 12ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 13cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner//===----------------------------------------------------------------------===// 14cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 15cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner#ifndef LLVM_CODEGEN_SELECTIONDAG_H 16cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner#define LLVM_CODEGEN_SELECTIONDAG_H 17cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 18fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman#include "llvm/ADT/ilist.h" 19c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene#include "llvm/ADT/DenseSet.h" 20583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey#include "llvm/ADT/FoldingSet.h" 214b84086e89d86fb16f562166d9fea8df37db6be7Dan Gohman#include "llvm/ADT/StringMap.h" 22583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey#include "llvm/CodeGen/SelectionDAGNodes.h" 23b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 24acaf09dbe4a6781163857db1321bbd5795e7d410Dan Gohman#include <cassert> 255892d47a625638a90afeb31dd4f6f80a2f9bacdeChris Lattner#include <vector> 26322812e603705e1c2037313633e72f689524b163Evan Cheng#include <map> 27eb19e40efbd3cae80c908a30cdf4d33450733c45Chris Lattner#include <string> 28d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 29d0fde30ce850b78371fd1386338350591f9ff494Brian Gaekenamespace llvm { 30fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman 31fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanclass AliasAnalysis; 32fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanclass TargetLowering; 33fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanclass TargetMachine; 34fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanclass MachineModuleInfo; 356e7a1617ac4a34792d9097b8d3644b72f57a45f7Devang Patelclass DwarfWriter; 36fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanclass MachineFunction; 37fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanclass MachineConstantPoolValue; 38fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanclass FunctionLoweringInfo; 39fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman 408e4018e2de52c534405d7155c7009d0b35afb861Cedric Venettemplate<> struct ilist_traits<SDNode> : public ilist_default_traits<SDNode> { 418e4018e2de52c534405d7155c7009d0b35afb861Cedric Venetprivate: 42fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman mutable SDNode Sentinel; 43fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanpublic: 44fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman ilist_traits() : Sentinel(ISD::DELETED_NODE, SDVTList()) {} 45fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman 46fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman SDNode *createSentinel() const { 47fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman return &Sentinel; 48fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman } 49fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman static void destroySentinel(SDNode *) {} 50fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman 51fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman static void deleteNode(SDNode *) { 52fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman assert(0 && "ilist_traits<SDNode> shouldn't see a deleteNode call!"); 53fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman } 54fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanprivate: 55fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman static void createNode(const SDNode &); 56fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman}; 57c3aae25116e66c177579b0b79182b09340b19753Chris Lattner 5825cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sandsenum CombineLevel { 5925cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands Unrestricted, // Combine may create illegal operations and illegal types. 6025cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands NoIllegalTypes, // Combine may create illegal operations but no illegal types. 6125cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands NoIllegalOperations // Combine may only create legal operations and types. 6225cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands}; 6325cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands 64c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// SelectionDAG class - This is used to represent a portion of an LLVM function 65c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// in a low-level Data Dependence DAG representation suitable for instruction 66c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// selection. This DAG is constructed as the first step of instruction 67c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// selection in order to allow implementation of machine specific optimizations 68c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// and code simplifications. 69c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// 70c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// The representation used by the SelectionDAG is a target-independent 71c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// representation, which has some similarities to the GCC RTL representation, 72c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// but is significantly more simple, powerful, and is a graph form instead of a 73c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// linear form. 74cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner/// 75cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattnerclass SelectionDAG { 76063287a76b5d1486f498fcf674a26d1155471a3fChris Lattner TargetLowering &TLI; 777c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman MachineFunction *MF; 78ead0d88ad7659dabd66cc3149af97d98256fca84Chris Lattner FunctionLoweringInfo &FLI; 7944c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey MachineModuleInfo *MMI; 806e7a1617ac4a34792d9097b8d3644b72f57a45f7Devang Patel DwarfWriter *DW; 81cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 82f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// EntryNode - The starting token. 83f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman SDNode EntryNode; 84f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 85f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// Root - The root of the entire DAG. 86f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman SDValue Root; 87cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 88213a16c637926bfc38ba373d3aba6778e181e3ecChris Lattner /// AllNodes - A linked list of nodes in the current DAG. 89fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman ilist<SDNode> AllNodes; 90fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman 91f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// NodeAllocatorType - The AllocatorType for allocating SDNodes. We use 92f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// pool allocation with recycling. 93f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman typedef RecyclingAllocator<BumpPtrAllocator, SDNode, sizeof(LargestSDNode), 94f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman AlignOf<MostAlignedSDNode>::Alignment> 95f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman NodeAllocatorType; 96f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 97f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// NodeAllocator - Pool allocation for nodes. 98f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman NodeAllocatorType NodeAllocator; 99691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth 100213a16c637926bfc38ba373d3aba6778e181e3ecChris Lattner /// CSEMap - This structure is used to memoize nodes, automatically performing 101213a16c637926bfc38ba373d3aba6778e181e3ecChris Lattner /// CSE with existing nodes with a duplicate is requested. 102583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey FoldingSet<SDNode> CSEMap; 103213a16c637926bfc38ba373d3aba6778e181e3ecChris Lattner 104f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// OperandAllocator - Pool allocation for machine-opcode SDNode operands. 105f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman BumpPtrAllocator OperandAllocator; 106f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 107e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// Allocator - Pool allocation for misc. objects that are created once per 108e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// SelectionDAG. 109e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman BumpPtrAllocator Allocator; 110e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman 111d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands /// VerifyNode - Sanity check the given node. Aborts if it is invalid. 112d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands void VerifyNode(SDNode *N); 113d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands 114c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// setGraphColorHelper - Implementation of setSubgraphColor. 115c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// Return whether we had to truncate the search. 116c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// 117c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene bool setSubgraphColorHelper(SDNode *N, const char *Color, DenseSet<SDNode *> &visited, 118c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene int level, bool &printed); 119c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene 120cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattnerpublic: 1217c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman SelectionDAG(TargetLowering &tli, FunctionLoweringInfo &fli); 122cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner ~SelectionDAG(); 123cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 1247c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman /// init - Prepare this SelectionDAG to process code in the given 1257c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman /// MachineFunction. 1267c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman /// 1276e7a1617ac4a34792d9097b8d3644b72f57a45f7Devang Patel void init(MachineFunction &mf, MachineModuleInfo *mmi, DwarfWriter *dw); 1287c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman 1297c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman /// clear - Clear state and free memory necessary to make this 130f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// SelectionDAG ready to process a new block. 131f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// 1327c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman void clear(); 133f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 1347c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman MachineFunction &getMachineFunction() const { return *MF; } 135063287a76b5d1486f498fcf674a26d1155471a3fChris Lattner const TargetMachine &getTarget() const; 136063287a76b5d1486f498fcf674a26d1155471a3fChris Lattner TargetLowering &getTargetLoweringInfo() const { return TLI; } 137ead0d88ad7659dabd66cc3149af97d98256fca84Chris Lattner FunctionLoweringInfo &getFunctionLoweringInfo() const { return FLI; } 13844c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey MachineModuleInfo *getMachineModuleInfo() const { return MMI; } 13983489bb7700c69b7a4a8da59365c42d3f5c8129bDevang Patel DwarfWriter *getDwarfWriter() const { return DW; } 140cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 141ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// viewGraph - Pop up a GraphViz/gv window with the DAG rendered using 'dot'. 1421080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner /// 143462dc7f4960e5074ddf4769ec8b2ef1ba7a4d2c8Dan Gohman void viewGraph(const std::string &Title); 1440b12aef49087b57d276ed760a83525d1e2602144Dan Gohman void viewGraph(); 145ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey 146ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey#ifndef NDEBUG 147ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey std::map<const SDNode *, std::string> NodeGraphAttrs; 148ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey#endif 1491080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 150ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// clearGraphAttrs - Clear all previously defined node graph attributes. 151ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// Intended to be used from a debugging tool (eg. gdb). 152ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey void clearGraphAttrs(); 153ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey 154ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// setGraphAttrs - Set graph attributes for a node. (eg. "color=red".) 155ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// 156ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey void setGraphAttrs(const SDNode *N, const char *Attrs); 157ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey 158ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// getGraphAttrs - Get graph attributes for a node. (eg. "color=red".) 159ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// Used from getNodeAttributes. 160ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey const std::string getGraphAttrs(const SDNode *N) const; 161ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey 162ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// setGraphColor - Convenience for setting node color attribute. 163ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// 164ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey void setGraphColor(const SDNode *N, const char *Color); 1651080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 166c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// setGraphColor - Convenience for setting subgraph color attribute. 167c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// 168c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene void setSubgraphColor(SDNode *N, const char *Color); 169c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene 170fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman typedef ilist<SDNode>::const_iterator allnodes_const_iterator; 171b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner allnodes_const_iterator allnodes_begin() const { return AllNodes.begin(); } 172b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner allnodes_const_iterator allnodes_end() const { return AllNodes.end(); } 173fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman typedef ilist<SDNode>::iterator allnodes_iterator; 174b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner allnodes_iterator allnodes_begin() { return AllNodes.begin(); } 175b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner allnodes_iterator allnodes_end() { return AllNodes.end(); } 176fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman ilist<SDNode>::size_type allnodes_size() const { 1770e5f1306b059b62d7725f324e087efbc8e7a782dDan Gohman return AllNodes.size(); 1780e5f1306b059b62d7725f324e087efbc8e7a782dDan Gohman } 179b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 180c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// getRoot - Return the root tag of the SelectionDAG. 181cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 182475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue &getRoot() const { return Root; } 183cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 184c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// getEntryNode - Return the token chain corresponding to the entry of the 185c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// function. 186f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman SDValue getEntryNode() const { 187f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman return SDValue(const_cast<SDNode *>(&EntryNode), 0); 188f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman } 189cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 190c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// setRoot - Set the current root tag of the SelectionDAG. 191cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 192475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue &setRoot(SDValue N) { 193ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert((!N.getNode() || N.getValueType() == MVT::Other) && 194acaf09dbe4a6781163857db1321bbd5795e7d410Dan Gohman "DAG root value is not a chain!"); 195acaf09dbe4a6781163857db1321bbd5795e7d410Dan Gohman return Root = N; 196acaf09dbe4a6781163857db1321bbd5795e7d410Dan Gohman } 197cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 1981d4d41411190dd9e62764e56713753d4155764ddNate Begeman /// Combine - This iterates over the nodes in the SelectionDAG, folding 19925cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// certain types of nodes together, or eliminating superfluous nodes. The 20025cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// Level argument controls whether Combine is allowed to produce nodes and 20125cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// types that are illegal on the target. 20225cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands void Combine(CombineLevel Level, AliasAnalysis &AA, bool Fast); 20325cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands 20401d029b82cb08367d81aa10cdc94d05360466649Chris Lattner /// LegalizeTypes - This transforms the SelectionDAG into a SelectionDAG that 20525cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// only uses types natively supported by the target. Returns "true" if it 20625cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// made any changes. 20701d029b82cb08367d81aa10cdc94d05360466649Chris Lattner /// 20801d029b82cb08367d81aa10cdc94d05360466649Chris Lattner /// Note that this is an involved process that may invalidate pointers into 20901d029b82cb08367d81aa10cdc94d05360466649Chris Lattner /// the graph. 21025cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands bool LegalizeTypes(); 21125cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands 212c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// Legalize - This transforms the SelectionDAG into a SelectionDAG that is 213c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// compatible with the target instruction selector, as indicated by the 214c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// TargetLowering object. 215cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 216c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// Note that this is an involved process that may invalidate pointers into 217c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// the graph. 218b6862bbe34be4a832f709596f8dc971ab9895b06Duncan Sands void Legalize(bool TypesNeedLegalizing); 219c3aae25116e66c177579b0b79182b09340b19753Chris Lattner 220d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner /// RemoveDeadNodes - This method deletes all unreachable nodes in the 221190a418bf6b49a4ef1c1980229a2f0d516e8a2cdChris Lattner /// SelectionDAG. 222190a418bf6b49a4ef1c1980229a2f0d516e8a2cdChris Lattner void RemoveDeadNodes(); 223130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng 224130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng /// DeleteNode - Remove the specified node from the system. This node must 225130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng /// have no referrers. 226130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng void DeleteNode(SDNode *N); 227130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng 22870046e920fa37989a041af663ada2b2b646e258fChris Lattner /// getVTList - Return an SDVTList that represents the list of values 22970046e920fa37989a041af663ada2b2b646e258fChris Lattner /// specified. 23083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDVTList getVTList(MVT VT); 23183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDVTList getVTList(MVT VT1, MVT VT2); 23283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDVTList getVTList(MVT VT1, MVT VT2, MVT VT3); 23313d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling SDVTList getVTList(MVT VT1, MVT VT2, MVT VT3, MVT VT4); 23483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDVTList getVTList(const MVT *VTs, unsigned NumVTs); 23570046e920fa37989a041af663ada2b2b646e258fChris Lattner 23670046e920fa37989a041af663ada2b2b646e258fChris Lattner /// getNodeValueTypes - These are obsolete, use getVTList instead. 23783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const MVT *getNodeValueTypes(MVT VT) { 23870046e920fa37989a041af663ada2b2b646e258fChris Lattner return getVTList(VT).VTs; 23970046e920fa37989a041af663ada2b2b646e258fChris Lattner } 24083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const MVT *getNodeValueTypes(MVT VT1, MVT VT2) { 24170046e920fa37989a041af663ada2b2b646e258fChris Lattner return getVTList(VT1, VT2).VTs; 24270046e920fa37989a041af663ada2b2b646e258fChris Lattner } 24383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const MVT *getNodeValueTypes(MVT VT1, MVT VT2, MVT VT3) { 24470046e920fa37989a041af663ada2b2b646e258fChris Lattner return getVTList(VT1, VT2, VT3).VTs; 24570046e920fa37989a041af663ada2b2b646e258fChris Lattner } 24613d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling const MVT *getNodeValueTypes(MVT VT1, MVT VT2, MVT VT3, MVT VT4) { 24713d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling return getVTList(VT1, VT2, VT3, VT4).VTs; 24813d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling } 249f877b735ad4987f26cafcbaf22aa4c2199458b5dDan Gohman const MVT *getNodeValueTypes(const std::vector<MVT> &vtList) { 25013d57320bd212483463d4f8992d5787b29eda5dfBill Wendling return getVTList(&vtList[0], (unsigned)vtList.size()).VTs; 25170046e920fa37989a041af663ada2b2b646e258fChris Lattner } 25270046e920fa37989a041af663ada2b2b646e258fChris Lattner 25370046e920fa37989a041af663ada2b2b646e258fChris Lattner 2541b1a49714ef26225a42199cf2930529f31868322Chris Lattner //===--------------------------------------------------------------------===// 25570046e920fa37989a041af663ada2b2b646e258fChris Lattner // Node creation methods. 25670046e920fa37989a041af663ada2b2b646e258fChris Lattner // 257475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getConstant(uint64_t Val, MVT VT, bool isTarget = false); 258475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getConstant(const APInt &Val, MVT VT, bool isTarget = false); 2594fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman SDValue getConstant(const ConstantInt &Val, MVT VT, bool isTarget = false); 260475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getIntPtrConstant(uint64_t Val, bool isTarget = false); 261475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetConstant(uint64_t Val, MVT VT) { 262cbea3045ce0bdd061c494a831d0ce2d5834211ccChris Lattner return getConstant(Val, VT, true); 263cbea3045ce0bdd061c494a831d0ce2d5834211ccChris Lattner } 264475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetConstant(const APInt &Val, MVT VT) { 2656394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman return getConstant(Val, VT, true); 2666394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman } 2674fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman SDValue getTargetConstant(const ConstantInt &Val, MVT VT) { 2684fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman return getConstant(Val, VT, true); 2694fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman } 270475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getConstantFP(double Val, MVT VT, bool isTarget = false); 271475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getConstantFP(const APFloat& Val, MVT VT, bool isTarget = false); 2724fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman SDValue getConstantFP(const ConstantFP &CF, MVT VT, bool isTarget = false); 273475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetConstantFP(double Val, MVT VT) { 274c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner return getConstantFP(Val, VT, true); 275c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner } 276475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetConstantFP(const APFloat& Val, MVT VT) { 277f04afdbb48568ef09f11fd10ac03426101f2dbf8Dale Johannesen return getConstantFP(Val, VT, true); 278f04afdbb48568ef09f11fd10ac03426101f2dbf8Dale Johannesen } 2794fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman SDValue getTargetConstantFP(const ConstantFP &Val, MVT VT) { 2804fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman return getConstantFP(Val, VT, true); 2814fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman } 282475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getGlobalAddress(const GlobalValue *GV, MVT VT, 2836520e20e4fb31f2e65e25c38b372b19d33a83df4Dan Gohman int64_t offset = 0, bool isTargetGA = false); 284475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetGlobalAddress(const GlobalValue *GV, MVT VT, 2856520e20e4fb31f2e65e25c38b372b19d33a83df4Dan Gohman int64_t offset = 0) { 286cbea3045ce0bdd061c494a831d0ce2d5834211ccChris Lattner return getGlobalAddress(GV, VT, offset, true); 287cbea3045ce0bdd061c494a831d0ce2d5834211ccChris Lattner } 288475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getFrameIndex(int FI, MVT VT, bool isTarget = false); 289475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetFrameIndex(int FI, MVT VT) { 290c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner return getFrameIndex(FI, VT, true); 291c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner } 292475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getJumpTable(int JTI, MVT VT, bool isTarget = false); 293475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetJumpTable(int JTI, MVT VT) { 294c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner return getJumpTable(JTI, VT, true); 295c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner } 296475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getConstantPool(Constant *C, MVT VT, 297c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner unsigned Align = 0, int Offs = 0, bool isT=false); 298475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetConstantPool(Constant *C, MVT VT, 299c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner unsigned Align = 0, int Offset = 0) { 300c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner return getConstantPool(C, VT, Align, Offset, true); 301c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner } 302475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getConstantPool(MachineConstantPoolValue *C, MVT VT, 303d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng unsigned Align = 0, int Offs = 0, bool isT=false); 304475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetConstantPool(MachineConstantPoolValue *C, 30583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT, unsigned Align = 0, 306d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng int Offset = 0) { 307d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng return getConstantPool(C, VT, Align, Offset, true); 308d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 309475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getBasicBlock(MachineBasicBlock *MBB); 310e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getBasicBlock(MachineBasicBlock *MBB, DebugLoc dl); 311056292fd738924f3f7703725d8f630983794b5a5Bill Wendling SDValue getExternalSymbol(const char *Sym, MVT VT); 312e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getExternalSymbol(const char *Sym, DebugLoc dl, MVT VT); 313056292fd738924f3f7703725d8f630983794b5a5Bill Wendling SDValue getTargetExternalSymbol(const char *Sym, MVT VT); 314e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getTargetExternalSymbol(const char *Sym, DebugLoc dl, MVT VT); 315475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getArgFlags(ISD::ArgFlagsTy Flags); 316475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getValueType(MVT); 317475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getRegister(unsigned Reg, MVT VT); 318475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getDbgStopPoint(SDValue Root, unsigned Line, unsigned Col, 31983489bb7700c69b7a4a8da59365c42d3f5c8129bDevang Patel Value *CU); 320475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getLabel(unsigned Opcode, SDValue Root, unsigned LabelID); 321e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getLabel(unsigned Opcode, DebugLoc dl, SDValue Root, 322e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned LabelID); 323c3aae25116e66c177579b0b79182b09340b19753Chris Lattner 324475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCopyToReg(SDValue Chain, unsigned Reg, SDValue N) { 325d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner return getNode(ISD::CopyToReg, MVT::Other, Chain, 326d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner getRegister(Reg, N.getValueType()), N); 327cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner } 328cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 329e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner // This version of the getCopyToReg method takes an extra operand, which 330e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner // indicates that there is potentially an incoming flag value (if Flag is not 331e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner // null) and that there should be a flag result. 332475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCopyToReg(SDValue Chain, unsigned Reg, SDValue N, 333475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Flag) { 33483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const MVT *VTs = getNodeValueTypes(MVT::Other, MVT::Flag); 335475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Chain, getRegister(Reg, N.getValueType()), N, Flag }; 336ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif return getNode(ISD::CopyToReg, VTs, 2, Ops, Flag.getNode() ? 4 : 3); 337e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner } 33866a48bbc3565b40ea0e6f2d58cf5e3a8e64802efEvan Cheng 339475871a144eb604ddaf37503397ba0941442e5fbDan Gohman // Similar to last getCopyToReg() except parameter Reg is a SDValue 340475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCopyToReg(SDValue Chain, SDValue Reg, SDValue N, 341475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Flag) { 34283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const MVT *VTs = getNodeValueTypes(MVT::Other, MVT::Flag); 343475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Chain, Reg, N, Flag }; 344ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif return getNode(ISD::CopyToReg, VTs, 2, Ops, Flag.getNode() ? 4 : 3); 34566a48bbc3565b40ea0e6f2d58cf5e3a8e64802efEvan Cheng } 346e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner 347475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCopyFromReg(SDValue Chain, unsigned Reg, MVT VT) { 34883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const MVT *VTs = getNodeValueTypes(VT, MVT::Other); 349475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Chain, getRegister(Reg, VT) }; 3502fa6d3b1fcadbde90eaee0e8e89aebd81630b662Chris Lattner return getNode(ISD::CopyFromReg, VTs, 2, Ops, 2); 35118c2f13e0f9d0e5d6227cf6d1881e9ee3d1b6109Chris Lattner } 352e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner 353e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner // This version of the getCopyFromReg method takes an extra operand, which 354e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner // indicates that there is potentially an incoming flag value (if Flag is not 355e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner // null) and that there should be a flag result. 356475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCopyFromReg(SDValue Chain, unsigned Reg, MVT VT, 357475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Flag) { 35883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const MVT *VTs = getNodeValueTypes(VT, MVT::Other, MVT::Flag); 359475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Chain, getRegister(Reg, VT), Flag }; 360ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif return getNode(ISD::CopyFromReg, VTs, 3, Ops, Flag.getNode() ? 3 : 2); 361e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner } 36218c2f13e0f9d0e5d6227cf6d1881e9ee3d1b6109Chris Lattner 363475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCondCode(ISD::CondCode Cond); 364cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 36577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang /// Returns the ConvertRndSat Note: Avoid using this node because it may 36677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang /// disappear in the future and most targets don't support it. 36777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue getConvertRndSat(MVT VT, SDValue Val, SDValue DTy, SDValue STy, 36877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue Rnd, SDValue Sat, ISD::CvtCode Code); 36977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 3701ccae666f596d5aeca5c9942995763600b622062Chris Lattner /// getZeroExtendInReg - Return the expression required to zero extend the Op 3711ccae666f596d5aeca5c9942995763600b622062Chris Lattner /// value assuming it was the smaller SrcTy value. 372475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getZeroExtendInReg(SDValue Op, MVT SrcTy); 3736a5b6d7633c96c72ca7d5f8ba0c855e4690ada04Chris Lattner 3744c2454623841f05c6c665659b34c214950d12d7eBob Wilson /// getNOT - Create a bitwise NOT operation as (XOR Val, -1). 3754c2454623841f05c6c665659b34c214950d12d7eBob Wilson SDValue getNOT(SDValue Val, MVT VT); 3764c2454623841f05c6c665659b34c214950d12d7eBob Wilson 3776a5b6d7633c96c72ca7d5f8ba0c855e4690ada04Chris Lattner /// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have 3786a5b6d7633c96c72ca7d5f8ba0c855e4690ada04Chris Lattner /// a flag result (to ensure it's not CSE'd). 379475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCALLSEQ_START(SDValue Chain, SDValue Op) { 38083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const MVT *VTs = getNodeValueTypes(MVT::Other, MVT::Flag); 381475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Chain, Op }; 3822fa6d3b1fcadbde90eaee0e8e89aebd81630b662Chris Lattner return getNode(ISD::CALLSEQ_START, VTs, 2, Ops, 2); 3836a5b6d7633c96c72ca7d5f8ba0c855e4690ada04Chris Lattner } 3841ccae666f596d5aeca5c9942995763600b622062Chris Lattner 3850f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling /// getCALLSEQ_END - Return a new CALLSEQ_END node, which always must have a 3860f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling /// flag result (to ensure it's not CSE'd). 387475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCALLSEQ_END(SDValue Chain, SDValue Op1, SDValue Op2, 388475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InFlag) { 3890f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling SDVTList NodeTys = getVTList(MVT::Other, MVT::Flag); 390475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 4> Ops; 3910f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Ops.push_back(Chain); 3920f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Ops.push_back(Op1); 3930f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Ops.push_back(Op2); 3940f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Ops.push_back(InFlag); 3950f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling return getNode(ISD::CALLSEQ_END, NodeTys, &Ops[0], 396ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif (unsigned)Ops.size() - (InFlag.getNode() == 0 ? 1 : 0)); 3970f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling } 3980f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 399c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// getNode - Gets or creates the specified node. 400cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 401475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, MVT VT); 4027ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT); 403475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, MVT VT, SDValue N); 4047ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT, SDValue N); 405475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, MVT VT, SDValue N1, SDValue N2); 4067ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT, SDValue N1, SDValue N2); 407475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, MVT VT, 4087ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3); 4097ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT, 4107ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3); 411475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, MVT VT, 4127ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4); 4137ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT, 4147ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4); 415475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, MVT VT, 4167ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4, 4177ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N5); 4187ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT, 4197ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4, 4207ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N5); 421475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, MVT VT, 4227ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDUse *Ops, unsigned NumOps); 4237ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT, 4247ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDUse *Ops, unsigned NumOps); 425475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, MVT VT, 4267ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 4277ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT, 4287ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 429475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, const std::vector<MVT> &ResultTys, 4307ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 4317ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, 4327ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const std::vector<MVT> &ResultTys, 4337ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 434475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, const MVT *VTs, unsigned NumVTs, 4357ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 4367ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, const MVT *VTs, unsigned NumVTs, 4377ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 4387ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, SDVTList VTs, 4397ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 4407ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs, 4417ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 4427ade28cd62f5188951387e1056a46001388a21f9Bill Wendling 443475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, SDVTList VTs); 4447ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs); 445475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, SDVTList VTs, SDValue N); 4467ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs, SDValue N); 447475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, SDVTList VTs, SDValue N1, SDValue N2); 4487ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs, 4497ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2); 450475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, SDVTList VTs, 45101f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue N1, SDValue N2, SDValue N3); 4527ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs, 4537ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3); 454475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, SDVTList VTs, 45501f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue N1, SDValue N2, SDValue N3, SDValue N4); 4567ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs, 4577ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4); 458475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getNode(unsigned Opcode, SDVTList VTs, 45901f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue N1, SDValue N2, SDValue N3, SDValue N4, 46001f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue N5); 4617ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs, 4627ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4, 4637ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N5); 464475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 465475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getMemcpy(SDValue Chain, SDValue Dst, SDValue Src, 46601f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue Size, unsigned Align, bool AlwaysInline, 46701f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng const Value *DstSV, uint64_t DstSVOff, 46801f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng const Value *SrcSV, uint64_t SrcSVOff); 4695c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola 470475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getMemmove(SDValue Chain, SDValue Dst, SDValue Src, 47101f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue Size, unsigned Align, 47201f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng const Value *DstSV, uint64_t DstOSVff, 47301f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng const Value *SrcSV, uint64_t SrcSVOff); 4745c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola 475475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getMemset(SDValue Chain, SDValue Dst, SDValue Src, 47601f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue Size, unsigned Align, 47701f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng const Value *DstSV, uint64_t DstSVOff); 4785c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola 4797cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner /// getSetCC - Helper function to make it easier to build SetCC's if you just 480475871a144eb604ddaf37503397ba0941442e5fbDan Gohman /// have an ISD::CondCode instead of an SDValue. 4817cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner /// 482475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getSetCC(MVT VT, SDValue LHS, SDValue RHS, 48301f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng ISD::CondCode Cond) { 4847cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner return getNode(ISD::SETCC, VT, LHS, RHS, getCondCode(Cond)); 485b43e9c196542acc80c9e4643809661065710848fNate Begeman } 486b43e9c196542acc80c9e4643809661065710848fNate Begeman 487b43e9c196542acc80c9e4643809661065710848fNate Begeman /// getVSetCC - Helper function to make it easier to build VSetCC's nodes 488475871a144eb604ddaf37503397ba0941442e5fbDan Gohman /// if you just have an ISD::CondCode instead of an SDValue. 489b43e9c196542acc80c9e4643809661065710848fNate Begeman /// 490475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getVSetCC(MVT VT, SDValue LHS, SDValue RHS, 49101f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng ISD::CondCode Cond) { 492b43e9c196542acc80c9e4643809661065710848fNate Begeman return getNode(ISD::VSETCC, VT, LHS, RHS, getCondCode(Cond)); 4937cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner } 4949373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman 4959373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman /// getSelectCC - Helper function to make it easier to build SelectCC's if you 496475871a144eb604ddaf37503397ba0941442e5fbDan Gohman /// just have an ISD::CondCode instead of an SDValue. 4979373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman /// 498475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getSelectCC(SDValue LHS, SDValue RHS, 49901f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue True, SDValue False, ISD::CondCode Cond) { 5002fa6d3b1fcadbde90eaee0e8e89aebd81630b662Chris Lattner return getNode(ISD::SELECT_CC, True.getValueType(), LHS, RHS, True, False, 5012fa6d3b1fcadbde90eaee0e8e89aebd81630b662Chris Lattner getCondCode(Cond)); 5029373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 5037cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner 504acc398c195a697795bff3245943d104eb19192b9Nate Begeman /// getVAArg - VAArg produces a result and token chain, and takes a pointer 505acc398c195a697795bff3245943d104eb19192b9Nate Begeman /// and a source value as input. 506475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getVAArg(MVT VT, SDValue Chain, SDValue Ptr, 50701f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue SV); 5087cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman 509c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang /// getAtomic - Gets a node for an atomic op, produces result and chain and 510c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang /// takes 3 operands 5110b1d4a798d1dd2f39521b6b381cd1c1911c9ab52Dan Gohman SDValue getAtomic(unsigned Opcode, MVT MemVT, SDValue Chain, SDValue Ptr, 51201f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue Cmp, SDValue Swp, const Value* PtrVal, 51301f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng unsigned Alignment=0); 514e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getAtomic(unsigned Opcode, DebugLoc dl, MVT MemVT, SDValue Chain, 515e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Ptr, SDValue Cmp, SDValue Swp, const Value* PtrVal, 516e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned Alignment=0); 517ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 518c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang /// getAtomic - Gets a node for an atomic op, produces result and chain and 519c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang /// takes 2 operands. 5200b1d4a798d1dd2f39521b6b381cd1c1911c9ab52Dan Gohman SDValue getAtomic(unsigned Opcode, MVT MemVT, SDValue Chain, SDValue Ptr, 52101f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng SDValue Val, const Value* PtrVal, 52201f63cdb0433fd2e4b76538ee58ee89c26349564Evan Cheng unsigned Alignment = 0); 523e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getAtomic(unsigned Opcode, DebugLoc dl, MVT MemVT, SDValue Chain, 524e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Ptr, SDValue Val, const Value* PtrVal, 525e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned Alignment = 0); 526ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 527c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang /// getMemIntrinsicNode - Creates a MemIntrinsicNode that may produce a 528c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang /// result and takes a list of operands. 529c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang SDValue getMemIntrinsicNode(unsigned Opcode, 530c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang const MVT *VTs, unsigned NumVTs, 531c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang const SDValue *Ops, unsigned NumOps, 532c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang MVT MemVT, const Value *srcValue, int SVOff, 533c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang unsigned Align = 0, bool Vol = false, 534c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang bool ReadMem = true, bool WriteMem = true); 535e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getMemIntrinsicNode(unsigned Opcode, DebugLoc dl, 536e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const MVT *VTs, unsigned NumVTs, 537e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const SDValue *Ops, unsigned NumOps, 538e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen MVT MemVT, const Value *srcValue, int SVOff, 539e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned Align = 0, bool Vol = false, 540e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen bool ReadMem = true, bool WriteMem = true); 541c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang 542c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang SDValue getMemIntrinsicNode(unsigned Opcode, SDVTList VTList, 543c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang const SDValue *Ops, unsigned NumOps, 544c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang MVT MemVT, const Value *srcValue, int SVOff, 545c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang unsigned Align = 0, bool Vol = false, 546c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang bool ReadMem = true, bool WriteMem = true); 547e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getMemIntrinsicNode(unsigned Opcode, DebugLoc dl, SDVTList VTList, 548e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const SDValue *Ops, unsigned NumOps, 549e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen MVT MemVT, const Value *srcValue, int SVOff, 550e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned Align = 0, bool Vol = false, 551e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen bool ReadMem = true, bool WriteMem = true); 552c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang 5534bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands /// getMergeValues - Create a MERGE_VALUES node from the given operands. 554aaffa05d0a652dd3eae76a941d02d6b0469fa821Duncan Sands SDValue getMergeValues(const SDValue *Ops, unsigned NumOps); 555f9516208e57364ab1e7d8748af1f59a2ea5fb572Duncan Sands 556095cc29f321382e1f7d295e262a28197f92c5491Dan Gohman /// getCall - Create a CALL node from the given information. 557095cc29f321382e1f7d295e262a28197f92c5491Dan Gohman /// 558095cc29f321382e1f7d295e262a28197f92c5491Dan Gohman SDValue getCall(unsigned CallingConv, bool IsVarArgs, bool IsTailCall, 55986098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen bool isInreg, SDVTList VTs, const SDValue *Operands, 56086098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen unsigned NumOperands); 561e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getCall(unsigned CallingConv, DebugLoc dl, bool IsVarArgs, 562e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen bool IsTailCall, bool isInreg, SDVTList VTs, 563e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const SDValue *Operands, unsigned NumOperands); 564095cc29f321382e1f7d295e262a28197f92c5491Dan Gohman 565c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// getLoad - Loads are not normal binary operators: their result type is not 566c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// determined by their operands, and they produce a value AND a token chain. 567cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 568475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getLoad(MVT VT, SDValue Chain, SDValue Ptr, 56995c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb const Value *SV, int SVOffset, bool isVolatile=false, 57095c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb unsigned Alignment=0); 571e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getLoad(MVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr, 572e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const Value *SV, int SVOffset, bool isVolatile=false, 573e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned Alignment=0); 574475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getExtLoad(ISD::LoadExtType ExtType, MVT VT, 575475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain, SDValue Ptr, const Value *SV, 57683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands int SVOffset, MVT EVT, bool isVolatile=false, 57795c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb unsigned Alignment=0); 578e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getExtLoad(ISD::LoadExtType ExtType, DebugLoc dl, MVT VT, 579e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Chain, SDValue Ptr, const Value *SV, 580e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen int SVOffset, MVT EVT, bool isVolatile=false, 581e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned Alignment=0); 582475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getIndexedLoad(SDValue OrigLoad, SDValue Base, 583475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Offset, ISD::MemIndexedMode AM); 584e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getIndexedLoad(SDValue OrigLoad, DebugLoc dl, SDValue Base, 585e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Offset, ISD::MemIndexedMode AM); 586475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, 587475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT, SDValue Chain, 588475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr, SDValue Offset, 58983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Value *SV, int SVOffset, MVT EVT, 590e10efce22502d1a1855d25baf1458660f4ba6f33Duncan Sands bool isVolatile=false, unsigned Alignment=0); 591e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getLoad(ISD::MemIndexedMode AM, DebugLoc dl, ISD::LoadExtType ExtType, 592e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen MVT VT, SDValue Chain, 593e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Ptr, SDValue Offset, 594e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const Value *SV, int SVOffset, MVT EVT, 595e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen bool isVolatile=false, unsigned Alignment=0); 5962d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 597ad071e1cd1a4b880019f1b2e827ee81867815f82Evan Cheng /// getStore - Helper function to build ISD::STORE nodes. 598ad071e1cd1a4b880019f1b2e827ee81867815f82Evan Cheng /// 599475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getStore(SDValue Chain, SDValue Val, SDValue Ptr, 60095c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb const Value *SV, int SVOffset, bool isVolatile=false, 60195c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb unsigned Alignment=0); 602e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr, 603e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const Value *SV, int SVOffset, bool isVolatile=false, 604e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned Alignment=0); 605475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTruncStore(SDValue Chain, SDValue Val, SDValue Ptr, 60683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Value *SV, int SVOffset, MVT TVT, 60795c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb bool isVolatile=false, unsigned Alignment=0); 608e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr, 609e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const Value *SV, int SVOffset, MVT TVT, 610e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen bool isVolatile=false, unsigned Alignment=0); 611475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getIndexedStore(SDValue OrigStoe, SDValue Base, 612475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Offset, ISD::MemIndexedMode AM); 613e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue getIndexedStore(SDValue OrigStoe, DebugLoc dl, SDValue Base, 614e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Offset, ISD::MemIndexedMode AM); 615ad071e1cd1a4b880019f1b2e827ee81867815f82Evan Cheng 616101a90f3d3c3ad9159676ba744b59b3a9d0b4af5Dan Gohman /// getSrcValue - Construct a node to track a Value* through the backend. 617475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getSrcValue(const Value *v); 61869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 619101a90f3d3c3ad9159676ba744b59b3a9d0b4af5Dan Gohman /// getMemOperand - Construct a node to track a memory reference 620101a90f3d3c3ad9159676ba744b59b3a9d0b4af5Dan Gohman /// through the backend. 621475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getMemOperand(const MachineMemOperand &MO); 622cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 623b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// UpdateNodeOperands - *Mutate* the specified node in-place to have the 624b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// specified operands. If the resultant node already exists in the DAG, 625b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// this does not modify the specified node, instead it returns the node that 626b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// already exists. If the resultant node does not exist in the DAG, the 627b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// input node is returned. As a degenerate case, if you specify the same 628b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// input operands as the node already has, the input node is returned. 629475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UpdateNodeOperands(SDValue N, SDValue Op); 630475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2); 631475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2, 632475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op3); 633475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2, 634475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op3, SDValue Op4); 635475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2, 636475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op3, SDValue Op4, SDValue Op5); 637475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UpdateNodeOperands(SDValue N, 638475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 6391b95095857b78e12138c22e76c7936611c51355bChris Lattner 6401b95095857b78e12138c22e76c7936611c51355bChris Lattner /// SelectNodeTo - These are used for target selectors to *mutate* the 6411b95095857b78e12138c22e76c7936611c51355bChris Lattner /// specified node to have the specified return type, Target opcode, and 6421b95095857b78e12138c22e76c7936611c51355bChris Lattner /// operands. Note that target opcodes are stored as 643e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// ~TargetOpcode in the node opcode field. The resultant node is returned. 64483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT); 645475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT, SDValue Op1); 64683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT, 647475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1, SDValue Op2); 64883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT, 649475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1, SDValue Op2, SDValue Op3); 65083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT, 651475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 652cd920d9ecfcefff13c3619a32b58399cac2e3630Dan Gohman SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1, MVT VT2); 653cd920d9ecfcefff13c3619a32b58399cac2e3630Dan Gohman SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1, 654475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, const SDValue *Ops, unsigned NumOps); 655cd920d9ecfcefff13c3619a32b58399cac2e3630Dan Gohman SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1, 656475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, MVT VT3, const SDValue *Ops, unsigned NumOps); 65713d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling SDNode *SelectNodeTo(SDNode *N, unsigned MachineOpc, MVT VT1, 65813d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling MVT VT2, MVT VT3, MVT VT4, const SDValue *Ops, 65913d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling unsigned NumOps); 660cd920d9ecfcefff13c3619a32b58399cac2e3630Dan Gohman SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1, 661475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, SDValue Op1); 66283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1, 663475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, SDValue Op1, SDValue Op2); 66483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1, 665475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, SDValue Op1, SDValue Op2, SDValue Op3); 66613d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1, 66713d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling MVT VT2, MVT VT3, SDValue Op1, SDValue Op2, SDValue Op3); 668cd920d9ecfcefff13c3619a32b58399cac2e3630Dan Gohman SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, SDVTList VTs, 669475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 670694481ee01bfe507c6e37de0dc1c64cff455eefdEvan Cheng 671e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// MorphNodeTo - These *mutate* the specified node to have the specified 672e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// return type, opcode, and operands. 673e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT); 674475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT, SDValue Op1); 675e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT, 676475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1, SDValue Op2); 677e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT, 678475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1, SDValue Op2, SDValue Op3); 679e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT, 680475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 681e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1, MVT VT2); 682e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1, 683475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, const SDValue *Ops, unsigned NumOps); 684e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1, 685475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, MVT VT3, const SDValue *Ops, unsigned NumOps); 686e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1, 687475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, SDValue Op1); 688e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1, 689475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, SDValue Op1, SDValue Op2); 690e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1, 691475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, SDValue Op1, SDValue Op2, SDValue Op3); 692e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, SDVTList VTs, 693475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 694753c8f20e45f6e4198c7cf4096ecc8948a029e9cChris Lattner 6956ae46c4c8757237bca2b78b589c96c37015bc356Evan Cheng /// getTargetNode - These are used for target selectors to create a new node 6966ae46c4c8757237bca2b78b589c96c37015bc356Evan Cheng /// with specified return type(s), target opcode, and operands. 6976ae46c4c8757237bca2b78b589c96c37015bc356Evan Cheng /// 6986ae46c4c8757237bca2b78b589c96c37015bc356Evan Cheng /// Note that getTargetNode returns the resultant node. If there is already a 6996ae46c4c8757237bca2b78b589c96c37015bc356Evan Cheng /// node of the specified opcode and operands, it returns that node instead of 7006ae46c4c8757237bca2b78b589c96c37015bc356Evan Cheng /// the current one. 70183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT); 70256ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT); 70356ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 704475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *getTargetNode(unsigned Opcode, MVT VT, SDValue Op1); 70556ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT, SDValue Op1); 70656ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 707475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *getTargetNode(unsigned Opcode, MVT VT, SDValue Op1, SDValue Op2); 70856ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT, SDValue Op1, 70956ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDValue Op2); 71056ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 71183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT, 712475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1, SDValue Op2, SDValue Op3); 71356ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT, 714e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Op1, SDValue Op2, SDValue Op3); 71556ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 71683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT, 717475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 71856ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT, 719e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const SDValue *Ops, unsigned NumOps); 72056ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 72183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT1, MVT VT2); 72256ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2); 72356ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 724475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, SDValue Op1); 72556ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, 72656ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDValue Op1); 72756ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 72883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT1, 729475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, SDValue Op1, SDValue Op2); 73056ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, 731e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen MVT VT2, SDValue Op1, SDValue Op2); 73256ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 73383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT1, 734475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT VT2, SDValue Op1, SDValue Op2, SDValue Op3); 73556ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, 736e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen MVT VT2, SDValue Op1, SDValue Op2, SDValue Op3); 73756ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 73883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, 739475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 74056ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, 741e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const SDValue *Ops, unsigned NumOps); 74256ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 74383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3, 744475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1, SDValue Op2); 74556ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, MVT VT3, 746e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Op1, SDValue Op2); 74756ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 74883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3, 749475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1, SDValue Op2, SDValue Op3); 75056ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, MVT VT3, 751e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Op1, SDValue Op2, SDValue Op3); 75256ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 75383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3, 754475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 75556ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, MVT VT3, 756e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const SDValue *Ops, unsigned NumOps); 75756ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 75883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SDNode *getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3, MVT VT4, 759475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 76056ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, MVT VT3, 76156ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling MVT VT4, const SDValue *Ops, unsigned NumOps); 76256ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling 763f877b735ad4987f26cafcbaf22aa4c2199458b5dDan Gohman SDNode *getTargetNode(unsigned Opcode, const std::vector<MVT> &ResultTys, 764475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 76556ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, 76656ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling const std::vector<MVT> &ResultTys, const SDValue *Ops, 76756ab1a281511dde8c173cd2dc8ef55a916049037Bill Wendling unsigned NumOps); 76808b1173971a51eb89d7d6ee0992c39170c86994aEvan Cheng 76908b1173971a51eb89d7d6ee0992c39170c86994aEvan Cheng /// getNodeIfExists - Get the specified node if it's already available, or 77008b1173971a51eb89d7d6ee0992c39170c86994aEvan Cheng /// else return NULL. 77108b1173971a51eb89d7d6ee0992c39170c86994aEvan Cheng SDNode *getNodeIfExists(unsigned Opcode, SDVTList VTs, 772475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 7736542d950609208de3e1cde704c5f89aad864c0d9Chris Lattner 774f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// DAGUpdateListener - Clients of various APIs that cause global effects on 775f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// the DAG can optionally implement this interface. This allows the clients 776f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// to handle the various sorts of updates that happen. 777f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner class DAGUpdateListener { 778f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner public: 779f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner virtual ~DAGUpdateListener(); 780edfcf598faab9ce294712551ecf67093acd1c66eDuncan Sands 781edfcf598faab9ce294712551ecf67093acd1c66eDuncan Sands /// NodeDeleted - The node N that was deleted and, if E is not null, an 782edfcf598faab9ce294712551ecf67093acd1c66eDuncan Sands /// equivalent node E that replaced it. 783edfcf598faab9ce294712551ecf67093acd1c66eDuncan Sands virtual void NodeDeleted(SDNode *N, SDNode *E) = 0; 784edfcf598faab9ce294712551ecf67093acd1c66eDuncan Sands 785edfcf598faab9ce294712551ecf67093acd1c66eDuncan Sands /// NodeUpdated - The node N that was updated. 786f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner virtual void NodeUpdated(SDNode *N) = 0; 787f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner }; 788f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner 789f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// RemoveDeadNode - Remove the specified node from the system. If any of its 790f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// operands then becomes dead, remove them as well. Inform UpdateListener 791f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// for each node deleted. 792f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner void RemoveDeadNode(SDNode *N, DAGUpdateListener *UpdateListener = 0); 793f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner 7940fe9c6e7babb3c0731d9cb864ec498ec4184760fDan Gohman /// RemoveDeadNodes - This method deletes the unreachable nodes in the 7950fe9c6e7babb3c0731d9cb864ec498ec4184760fDan Gohman /// given list, and any nodes that become unreachable as a result. 7960fe9c6e7babb3c0731d9cb864ec498ec4184760fDan Gohman void RemoveDeadNodes(SmallVectorImpl<SDNode *> &DeadNodes, 7970fe9c6e7babb3c0731d9cb864ec498ec4184760fDan Gohman DAGUpdateListener *UpdateListener = 0); 7980fe9c6e7babb3c0731d9cb864ec498ec4184760fDan Gohman 7996542d950609208de3e1cde704c5f89aad864c0d9Chris Lattner /// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead. 80026005b1b672aebd437edc561d381c5dd19a03ddbChris Lattner /// This can cause recursive merging of nodes in the DAG. Use the first 80126005b1b672aebd437edc561d381c5dd19a03ddbChris Lattner /// version if 'From' is known to have a single result, use the second 80226005b1b672aebd437edc561d381c5dd19a03ddbChris Lattner /// if you have two nodes with identical results, use the third otherwise. 8036542d950609208de3e1cde704c5f89aad864c0d9Chris Lattner /// 804f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// These methods all take an optional UpdateListener, which (if not null) is 805f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// informed about nodes that are deleted and modified due to recursive 806f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// changes in the dag. 807fde3f3061d665babeb78443119a09876098fc35eChris Lattner /// 8089ad136c851e0a66eb471573aac9fec47d53a61baDan Gohman /// These functions only replace all existing uses. It's possible that as 8099ad136c851e0a66eb471573aac9fec47d53a61baDan Gohman /// these replacements are being performed, CSE may cause the From node 8109ad136c851e0a66eb471573aac9fec47d53a61baDan Gohman /// to be given new uses. These new uses of From are left in place, and 8119ad136c851e0a66eb471573aac9fec47d53a61baDan Gohman /// not automatically transfered to To. 8129ad136c851e0a66eb471573aac9fec47d53a61baDan Gohman /// 813475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ReplaceAllUsesWith(SDValue From, SDValue Op, 814f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner DAGUpdateListener *UpdateListener = 0); 815fde3f3061d665babeb78443119a09876098fc35eChris Lattner void ReplaceAllUsesWith(SDNode *From, SDNode *To, 816f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner DAGUpdateListener *UpdateListener = 0); 817475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ReplaceAllUsesWith(SDNode *From, const SDValue *To, 818f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner DAGUpdateListener *UpdateListener = 0); 819fae9f1cb34d6d2c4dbd007f2d748a70b67776a82Evan Cheng 82080274268b99e5a066825c8cc5aba58dbc5ad0a52Chris Lattner /// ReplaceAllUsesOfValueWith - Replace any uses of From with To, leaving 821f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// uses of other values produced by From.Val alone. 822475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ReplaceAllUsesOfValueWith(SDValue From, SDValue To, 823f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner DAGUpdateListener *UpdateListener = 0); 82480274268b99e5a066825c8cc5aba58dbc5ad0a52Chris Lattner 825e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// ReplaceAllUsesOfValuesWith - Like ReplaceAllUsesOfValueWith, but 826e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// for multiple values at once. This correctly handles the case where 827e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// there is an overlap between the From values and the To values. 828475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ReplaceAllUsesOfValuesWith(const SDValue *From, const SDValue *To, 829e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman unsigned Num, 830e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman DAGUpdateListener *UpdateListener = 0); 831e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman 832f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman /// AssignTopologicalOrder - Topological-sort the AllNodes list and a 833f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman /// assign a unique node id for each node in the DAG based on their 834f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman /// topological order. Returns the number of nodes. 835f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman unsigned AssignTopologicalOrder(); 836e6f35d8a5cc92d776cf460200e2b815e8c301b14Evan Cheng 8378be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman /// RepositionNode - Move node N in the AllNodes list to be immediately 8388be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman /// before the given iterator Position. This may be used to update the 8398be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman /// topological ordering when the list of nodes is modified. 8408be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman void RepositionNode(allnodes_iterator Position, SDNode *N) { 8418be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman AllNodes.insert(Position, AllNodes.remove(N)); 8428be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman } 8438be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman 8441efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng /// isCommutativeBinOp - Returns true if the opcode is a commutative binary 8451efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng /// operation. 8461efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng static bool isCommutativeBinOp(unsigned Opcode) { 8474ae9e0c5301126d7f2d4b2975eb86ed21f7b574dChris Lattner // FIXME: This should get its info from the td file, so that we can include 8484ae9e0c5301126d7f2d4b2975eb86ed21f7b574dChris Lattner // target info. 8491efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng switch (Opcode) { 8501efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::ADD: 8511efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::MUL: 8521efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::MULHU: 8531efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::MULHS: 854b6c7437568f0472548ede2710458f52cfad4532eDan Gohman case ISD::SMUL_LOHI: 855b6c7437568f0472548ede2710458f52cfad4532eDan Gohman case ISD::UMUL_LOHI: 8561efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::FADD: 8571efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::FMUL: 8581efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::AND: 8591efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::OR: 8601efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::XOR: 8611efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::ADDC: 8621efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::ADDE: return true; 8631efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng default: return false; 8641efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng } 8651efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng } 8661efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng 867cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner void dump() const; 868d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner 86937ce9df0da6cddc3b8bfef9b63d33d058a0f2f15Chris Lattner /// CreateStackTemporary - Create a stack temporary, suitable for holding the 870364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang /// specified value type. If minAlign is specified, the slot size will have 871364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang /// at least that alignment. 872475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CreateStackTemporary(MVT VT, unsigned minAlign = 1); 87347d9dcc584cdb7fd645ca1d5c2a0ce363570aeb7Duncan Sands 87447d9dcc584cdb7fd645ca1d5c2a0ce363570aeb7Duncan Sands /// CreateStackTemporary - Create a stack temporary suitable for holding 87547d9dcc584cdb7fd645ca1d5c2a0ce363570aeb7Duncan Sands /// either of the specified value types. 87647d9dcc584cdb7fd645ca1d5c2a0ce363570aeb7Duncan Sands SDValue CreateStackTemporary(MVT VT1, MVT VT2); 87747d9dcc584cdb7fd645ca1d5c2a0ce363570aeb7Duncan Sands 878f3cbca279db891403659208a99f8e1cceb8c9ea6Bill Wendling /// FoldConstantArithmetic - 879f3cbca279db891403659208a99f8e1cceb8c9ea6Bill Wendling SDValue FoldConstantArithmetic(unsigned Opcode, 880f3cbca279db891403659208a99f8e1cceb8c9ea6Bill Wendling MVT VT, 881f3cbca279db891403659208a99f8e1cceb8c9ea6Bill Wendling ConstantSDNode *Cst1, 882f3cbca279db891403659208a99f8e1cceb8c9ea6Bill Wendling ConstantSDNode *Cst2); 883f3cbca279db891403659208a99f8e1cceb8c9ea6Bill Wendling 88451dabfb28375be7bc5848806ae31cd068b6133f8Chris Lattner /// FoldSetCC - Constant fold a setcc to true or false. 885475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FoldSetCC(MVT VT, SDValue N1, 886f3cbca279db891403659208a99f8e1cceb8c9ea6Bill Wendling SDValue N2, ISD::CondCode Cond); 88751dabfb28375be7bc5848806ae31cd068b6133f8Chris Lattner 8882e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman /// SignBitIsZero - Return true if the sign bit of Op is known to be zero. We 8892e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman /// use this predicate to simplify operations downstream. 890475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool SignBitIsZero(SDValue Op, unsigned Depth = 0) const; 8912e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman 892ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// MaskedValueIsZero - Return true if 'Op & Mask' is known to be zero. We 893ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// use this predicate to simplify operations downstream. Op and Mask are 894ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// known to be the same type. 895475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool MaskedValueIsZero(SDValue Op, const APInt &Mask, unsigned Depth = 0) 896ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman const; 897ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman 898ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// ComputeMaskedBits - Determine which of the bits specified in Mask are 899ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// known to be either zero or one and return them in the KnownZero/KnownOne 900ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// bitsets. This code only analyzes bits in Mask, in order to short-circuit 901ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// processing. Targets can implement the computeMaskedBitsForTargetNode 902ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// method in the TargetLowering class to allow target nodes to be understood. 903475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ComputeMaskedBits(SDValue Op, const APInt &Mask, APInt &KnownZero, 904fd29e0eb060ea8b4d490860329234d2ae5f5952eDan Gohman APInt &KnownOne, unsigned Depth = 0) const; 905fd29e0eb060ea8b4d490860329234d2ae5f5952eDan Gohman 906ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// ComputeNumSignBits - Return the number of times the sign bit of the 907ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// register is replicated into the other bits. We know that at least 1 bit 908ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// is always equal to the sign bit (itself), but other cases can give us 909ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// information. For example, immediately after an "SRA X, 2", we know that 910ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// the top 3 bits are all equal to each other, so we return 3. Targets can 911ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// implement the ComputeNumSignBitsForTarget method in the TargetLowering 912ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// class to allow target nodes to be understood. 913475871a144eb604ddaf37503397ba0941442e5fbDan Gohman unsigned ComputeNumSignBits(SDValue Op, unsigned Depth = 0) const; 914a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng 915475871a144eb604ddaf37503397ba0941442e5fbDan Gohman /// isVerifiedDebugInfoDesc - Returns true if the specified SDValue has 916a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng /// been verified as a debug information descriptor. 917475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isVerifiedDebugInfoDesc(SDValue Op) const; 91877f0b7a50a08614b5ffd58f1864b68a9a30d0cb0Evan Cheng 91977f0b7a50a08614b5ffd58f1864b68a9a30d0cb0Evan Cheng /// getShuffleScalarElt - Returns the scalar element that will make up the ith 92077f0b7a50a08614b5ffd58f1864b68a9a30d0cb0Evan Cheng /// element of the result of the vector shuffle. 921475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getShuffleScalarElt(const SDNode *N, unsigned Idx); 922ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman 923d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattnerprivate: 924095cc29f321382e1f7d295e262a28197f92c5491Dan Gohman bool RemoveNodeFromCSEMaps(SDNode *N); 925399461095b033438d1f5863cd0d6f82a616f74dcDan Gohman void AddModifiedNodeToCSEMaps(SDNode *N, DAGUpdateListener *UpdateListener); 926475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *FindModifiedNodeSlot(SDNode *N, SDValue Op, void *&InsertPos); 927475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *FindModifiedNodeSlot(SDNode *N, SDValue Op1, SDValue Op2, 928a5682853b9921bbb0dd2ee175c9bd44142d4819eChris Lattner void *&InsertPos); 929475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *FindModifiedNodeSlot(SDNode *N, const SDValue *Ops, unsigned NumOps, 930a5682853b9921bbb0dd2ee175c9bd44142d4819eChris Lattner void *&InsertPos); 931b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner 932fde3f3061d665babeb78443119a09876098fc35eChris Lattner void DeleteNodeNotInCSEMaps(SDNode *N); 933c53361294957b63a9c1e405256c6f0a81db1685cDan Gohman void DeallocateNode(SDNode *N); 9349c6e70eca9a49c146b26621cbcbb9464ceeac024Dan Gohman 9359c6e70eca9a49c146b26621cbcbb9464ceeac024Dan Gohman unsigned getMVTAlignment(MVT MemoryVT) const; 936f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 937f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman void allnodes_clear(); 9387cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner 939101a90f3d3c3ad9159676ba744b59b3a9d0b4af5Dan Gohman /// VTList - List of non-single value types. 940e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman std::vector<SDVTList> VTList; 941109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner 942101a90f3d3c3ad9159676ba744b59b3a9d0b4af5Dan Gohman /// CondCodeNodes - Maps to auto-CSE operations. 9437cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner std::vector<CondCodeSDNode*> CondCodeNodes; 9441cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner 94515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner std::vector<SDNode*> ValueTypeNodes; 9468e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands std::map<MVT, SDNode*, MVT::compareRawBits> ExtendedValueTypeNodes; 947056292fd738924f3f7703725d8f630983794b5a5Bill Wendling StringMap<SDNode*> ExternalSymbols; 948056292fd738924f3f7703725d8f630983794b5a5Bill Wendling StringMap<SDNode*> TargetExternalSymbols; 949cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner}; 950cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 9511080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnertemplate <> struct GraphTraits<SelectionDAG*> : public GraphTraits<SDNode*> { 9521080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner typedef SelectionDAG::allnodes_iterator nodes_iterator; 9531080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static nodes_iterator nodes_begin(SelectionDAG *G) { 9541080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return G->allnodes_begin(); 9551080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 9561080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static nodes_iterator nodes_end(SelectionDAG *G) { 9571080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return G->allnodes_end(); 9581080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 9591080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner}; 9601080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 961b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner} // end namespace llvm 962cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 963cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner#endif 964