SelectionDAG.h revision 8c955ea858b0c99c856c7c10a3eee7576d13abd1
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 18c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene#include "llvm/ADT/DenseSet.h" 194b84086e89d86fb16f562166d9fea8df37db6be7Dan Gohman#include "llvm/ADT/StringMap.h" 20255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include "llvm/ADT/ilist.h" 21444b4bf5c84c80833ff283244de0885124091a13Nadav Rotem#include "llvm/CodeGen/DAGCombine.h" 22583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey#include "llvm/CodeGen/SelectionDAGNodes.h" 23c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman#include "llvm/Support/RecyclingAllocator.h" 2498a366d547772010e94609e4584489b3e5ce0043Bill Wendling#include "llvm/Target/TargetMachine.h" 25acaf09dbe4a6781163857db1321bbd5795e7d410Dan Gohman#include <cassert> 26322812e603705e1c2037313633e72f689524b163Evan Cheng#include <map> 27eb19e40efbd3cae80c908a30cdf4d33450733c45Chris Lattner#include <string> 28255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include <vector> 29d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 30d0fde30ce850b78371fd1386338350591f9ff494Brian Gaekenamespace llvm { 31fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman 32fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanclass AliasAnalysis; 33b4e6a5df5dada0cd919cc6e2717eb3118db9cc45Bill Wendlingclass MachineConstantPoolValue; 34b4e6a5df5dada0cd919cc6e2717eb3118db9cc45Bill Wendlingclass MachineFunction; 3531441b7e95e0840e1ae144e5db6f791d6a36bc60Evan Chengclass MDNode; 36bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesenclass SDDbgValue; 37b4e6a5df5dada0cd919cc6e2717eb3118db9cc45Bill Wendlingclass TargetLowering; 38ff7a562751604a9fe13efc75bd59622244b54d35Dan Gohmanclass TargetSelectionDAGInfo; 39e4b4edd72ae596ac8d1fdbc6e77f61e331f6775dChandler Carruthclass TargetTransformInfo; 40fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman 418c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofeiclass SDVTListNode : public FoldingSetNode { 428c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei friend struct FoldingSetTrait<SDVTListNode>; 438c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei /// FastID - A reference to an Interned FoldingSetNodeID for this node. 448c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei /// The Allocator in SelectionDAG holds the data. 458c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei /// SDVTList contains all types which are frequently accessed in SelectionDAG. 468c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei /// The size of this list is not expected big so it won't introduce memory penalty. 478c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei FoldingSetNodeIDRef FastID; 488c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei const EVT *VTs; 498c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei unsigned int NumVTs; 508c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei /// The hash value for SDVTList is fixed so cache it to avoid hash calculation 518c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei unsigned HashValue; 528c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofeipublic: 538c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei SDVTListNode(const FoldingSetNodeIDRef ID, const EVT *VT, unsigned int Num) : 548c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei FastID(ID), VTs(VT), NumVTs(Num) { 558c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei HashValue = ID.ComputeHash(); 568c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei } 578c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei SDVTList getSDVTList() { 588c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei SDVTList result = {VTs, NumVTs}; 598c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei return result; 608c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei } 618c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei}; 628c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei 638c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei// Specialize FoldingSetTrait for SDVTListNode 648c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei// To avoid computing temp FoldingSetNodeID and hash value. 658c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofeitemplate<> struct FoldingSetTrait<SDVTListNode> : DefaultFoldingSetTrait<SDVTListNode> { 668c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei static void Profile(const SDVTListNode &X, FoldingSetNodeID& ID) { 678c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei ID = X.FastID; 688c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei } 698c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei static bool Equals(const SDVTListNode &X, const FoldingSetNodeID &ID, 708c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei unsigned IDHash, FoldingSetNodeID &TempID) { 718c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei if (X.HashValue != IDHash) 728c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei return false; 738c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei return ID == X.FastID; 748c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei } 758c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei static unsigned ComputeHash(const SDVTListNode &X, FoldingSetNodeID &TempID) { 768c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei return X.HashValue; 778c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei } 788c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei}; 798c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei 808e4018e2de52c534405d7155c7009d0b35afb861Cedric Venettemplate<> struct ilist_traits<SDNode> : public ilist_default_traits<SDNode> { 818e4018e2de52c534405d7155c7009d0b35afb861Cedric Venetprivate: 827309be6735666143bd9835b275dc8501617a2591Gabor Greif mutable ilist_half_node<SDNode> Sentinel; 83fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanpublic: 84fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman SDNode *createSentinel() const { 85c7f6b8c5d40e17bf43fd3a1549d7d89c9da735e1Gabor Greif return static_cast<SDNode*>(&Sentinel); 86fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman } 87fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman static void destroySentinel(SDNode *) {} 88fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman 89c23b8719ef9d6b1220e854b37d40e9e1c48a82bcGabor Greif SDNode *provideInitialHead() const { return createSentinel(); } 90c23b8719ef9d6b1220e854b37d40e9e1c48a82bcGabor Greif SDNode *ensureHead(SDNode*) const { return createSentinel(); } 91f3841fcbd587c31aa9842b3f33bd57de40c9f443Gabor Greif static void noteHead(SDNode*, SDNode*) {} 92c23b8719ef9d6b1220e854b37d40e9e1c48a82bcGabor Greif 93fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman static void deleteNode(SDNode *) { 9450bee42b54cd9aec5f49566307df2b0cf23afcf6Craig Topper llvm_unreachable("ilist_traits<SDNode> shouldn't see a deleteNode call!"); 95fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman } 96fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohmanprivate: 97fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman static void createNode(const SDNode &); 98fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman}; 99c3aae25116e66c177579b0b79182b09340b19753Chris Lattner 100bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen/// SDDbgInfo - Keeps track of dbg_value information through SDISel. We do 101bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen/// not build SDNodes for these so as not to perturb the generated code; 102bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng/// instead the info is kept off to the side in this structure. Each SDNode may 103bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng/// have one or more associated dbg_value entries. This information is kept in 104bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng/// DbgValMap. 105fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen/// Byval parameters are handled separately because they don't use alloca's, 106fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen/// which busts the normal mechanism. There is good reason for handling all 107fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen/// parameters separately: they may not have code generated for them, they 108fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen/// should always go at the beginning of the function regardless of other code 109fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen/// motion, and debug info for them is potentially useful even if the parameter 110fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen/// is unused. Right now only byval parameters are handled separately. 111bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesenclass SDDbgInfo { 112bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng SmallVector<SDDbgValue*, 32> DbgValues; 113fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen SmallVector<SDDbgValue*, 32> ByvalParmDbgValues; 114f22fd3f7b557a967b1edc1fa9ae770006a39e97cCraig Topper typedef DenseMap<const SDNode*, SmallVector<SDDbgValue*, 2> > DbgValMapType; 115f22fd3f7b557a967b1edc1fa9ae770006a39e97cCraig Topper DbgValMapType DbgValMap; 116bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen 117001d3dc976d7cda8a3dd8c7fd4020b0b96033f4eCraig Topper void operator=(const SDDbgInfo&) LLVM_DELETED_FUNCTION; 118001d3dc976d7cda8a3dd8c7fd4020b0b96033f4eCraig Topper SDDbgInfo(const SDDbgInfo&) LLVM_DELETED_FUNCTION; 119bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesenpublic: 120bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen SDDbgInfo() {} 121bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen 122fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen void add(SDDbgValue *V, const SDNode *Node, bool isParameter) { 123fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen if (isParameter) { 124fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen ByvalParmDbgValues.push_back(V); 125fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen } else DbgValues.push_back(V); 126bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng if (Node) 127d4c6c3a7c3140ce487a805138b6f53f82ff6b783Devang Patel DbgValMap[Node].push_back(V); 128bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen } 129bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng 130bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen void clear() { 131d4c6c3a7c3140ce487a805138b6f53f82ff6b783Devang Patel DbgValMap.clear(); 132bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng DbgValues.clear(); 133fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen ByvalParmDbgValues.clear(); 134bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng } 135bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng 136bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng bool empty() const { 137fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen return DbgValues.empty() && ByvalParmDbgValues.empty(); 138bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen } 139bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng 14022a54c1cd711afccd4558374918d12a939e1cca5Benjamin Kramer ArrayRef<SDDbgValue*> getSDDbgValues(const SDNode *Node) { 141f22fd3f7b557a967b1edc1fa9ae770006a39e97cCraig Topper DbgValMapType::iterator I = DbgValMap.find(Node); 14222a54c1cd711afccd4558374918d12a939e1cca5Benjamin Kramer if (I != DbgValMap.end()) 14322a54c1cd711afccd4558374918d12a939e1cca5Benjamin Kramer return I->second; 14422a54c1cd711afccd4558374918d12a939e1cca5Benjamin Kramer return ArrayRef<SDDbgValue*>(); 145bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen } 146bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng 147f22fd3f7b557a967b1edc1fa9ae770006a39e97cCraig Topper typedef SmallVectorImpl<SDDbgValue*>::iterator DbgIterator; 148bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng DbgIterator DbgBegin() { return DbgValues.begin(); } 149bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng DbgIterator DbgEnd() { return DbgValues.end(); } 150fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen DbgIterator ByvalParmDbgBegin() { return ByvalParmDbgValues.begin(); } 151fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen DbgIterator ByvalParmDbgEnd() { return ByvalParmDbgValues.end(); } 152bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen}; 153bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen 154cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greeneclass SelectionDAG; 155cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greenevoid checkForCycles(const SDNode *N); 156cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greenevoid checkForCycles(const SelectionDAG *DAG); 157cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greene 158c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// SelectionDAG class - This is used to represent a portion of an LLVM function 159c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// in a low-level Data Dependence DAG representation suitable for instruction 160c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// selection. This DAG is constructed as the first step of instruction 161c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// selection in order to allow implementation of machine specific optimizations 162c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// and code simplifications. 163c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// 164c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// The representation used by the SelectionDAG is a target-independent 165c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// representation, which has some similarities to the GCC RTL representation, 166c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// but is significantly more simple, powerful, and is a graph form instead of a 167c3aae25116e66c177579b0b79182b09340b19753Chris Lattner/// linear form. 168cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner/// 169cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattnerclass SelectionDAG { 17050d2b1ac029d63500ea9b9347561b1454fa6ed6aDan Gohman const TargetMachine &TM; 171ff7a562751604a9fe13efc75bd59622244b54d35Dan Gohman const TargetSelectionDAGInfo &TSI; 172e4b4edd72ae596ac8d1fdbc6e77f61e331f6775dChandler Carruth const TargetTransformInfo *TTI; 1737c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman MachineFunction *MF; 174512063dd0f91a76b9dd904dfff72a52b4d09e89fChris Lattner LLVMContext *Context; 1750508d047fefef36d4f943ee13c82c18cf3a943abDevang Patel CodeGenOpt::Level OptLevel; 176cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 177f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// EntryNode - The starting token. 178f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman SDNode EntryNode; 179f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 180f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// Root - The root of the entire DAG. 181f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman SDValue Root; 182cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 183213a16c637926bfc38ba373d3aba6778e181e3ecChris Lattner /// AllNodes - A linked list of nodes in the current DAG. 184fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman ilist<SDNode> AllNodes; 185fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman 186f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// NodeAllocatorType - The AllocatorType for allocating SDNodes. We use 187f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// pool allocation with recycling. 188f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman typedef RecyclingAllocator<BumpPtrAllocator, SDNode, sizeof(LargestSDNode), 189f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman AlignOf<MostAlignedSDNode>::Alignment> 190f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman NodeAllocatorType; 191f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 192f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// NodeAllocator - Pool allocation for nodes. 193f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman NodeAllocatorType NodeAllocator; 194691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth 195213a16c637926bfc38ba373d3aba6778e181e3ecChris Lattner /// CSEMap - This structure is used to memoize nodes, automatically performing 196d23b33435ae722ff5aa5ab97135a4f31041959e2Bob Wilson /// CSE with existing nodes when a duplicate is requested. 197583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey FoldingSet<SDNode> CSEMap; 198213a16c637926bfc38ba373d3aba6778e181e3ecChris Lattner 199f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// OperandAllocator - Pool allocation for machine-opcode SDNode operands. 200f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman BumpPtrAllocator OperandAllocator; 201f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 202e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// Allocator - Pool allocation for misc. objects that are created once per 203e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// SelectionDAG. 204e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman BumpPtrAllocator Allocator; 205e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman 206bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen /// DbgInfo - Tracks dbg_value information through SDISel. 207bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen SDDbgInfo *DbgInfo; 208bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen 209bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesenpublic: 210bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// DAGUpdateListener - Clients of various APIs that cause global effects on 211bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// the DAG can optionally implement this interface. This allows the clients 212bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// to handle the various sorts of updates that happen. 213bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// 214bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// A DAGUpdateListener automatically registers itself with DAG when it is 215bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// constructed, and removes itself when destroyed in RAII fashion. 216bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen struct DAGUpdateListener { 217bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen DAGUpdateListener *const Next; 218bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen SelectionDAG &DAG; 219bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen 220bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen explicit DAGUpdateListener(SelectionDAG &D) 221bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen : Next(D.UpdateListeners), DAG(D) { 222bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen DAG.UpdateListeners = this; 223bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen } 224bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen 225bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen virtual ~DAGUpdateListener() { 226bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen assert(DAG.UpdateListeners == this && 227bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen "DAGUpdateListeners must be destroyed in LIFO order"); 228bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen DAG.UpdateListeners = Next; 229bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen } 230bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen 231bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// NodeDeleted - The node N that was deleted and, if E is not null, an 232bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// equivalent node E that replaced it. 233bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen virtual void NodeDeleted(SDNode *N, SDNode *E); 234bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen 235bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// NodeUpdated - The node N that was updated. 236bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen virtual void NodeUpdated(SDNode *N); 237bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen }; 238bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen 239bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesenprivate: 240bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// DAGUpdateListener is a friend so it can manipulate the listener stack. 241bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen friend struct DAGUpdateListener; 242bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen 243bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// UpdateListeners - Linked list of registered DAGUpdateListener instances. 244bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen /// This stack is maintained by DAGUpdateListener RAII. 245bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen DAGUpdateListener *UpdateListeners; 246bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen 247c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// setGraphColorHelper - Implementation of setSubgraphColor. 248c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// Return whether we had to truncate the search. 249c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// 250c23b8719ef9d6b1220e854b37d40e9e1c48a82bcGabor Greif bool setSubgraphColorHelper(SDNode *N, const char *Color, 251c23b8719ef9d6b1220e854b37d40e9e1c48a82bcGabor Greif DenseSet<SDNode *> &visited, 252c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene int level, bool &printed); 253c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene 254001d3dc976d7cda8a3dd8c7fd4020b0b96033f4eCraig Topper void operator=(const SelectionDAG&) LLVM_DELETED_FUNCTION; 255001d3dc976d7cda8a3dd8c7fd4020b0b96033f4eCraig Topper SelectionDAG(const SelectionDAG&) LLVM_DELETED_FUNCTION; 256819309efec6f11ba752bd7cbfe186495745f020bDaniel Dunbar 257cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattnerpublic: 2580508d047fefef36d4f943ee13c82c18cf3a943abDevang Patel explicit SelectionDAG(const TargetMachine &TM, llvm::CodeGenOpt::Level); 259cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner ~SelectionDAG(); 260cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 2617c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman /// init - Prepare this SelectionDAG to process code in the given 2627c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman /// MachineFunction. 2637c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman /// 264e4b4edd72ae596ac8d1fdbc6e77f61e331f6775dChandler Carruth void init(MachineFunction &mf, const TargetTransformInfo *TTI); 2657c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman 2667c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman /// clear - Clear state and free memory necessary to make this 267f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// SelectionDAG ready to process a new block. 268f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman /// 2697c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman void clear(); 270f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 2717c3234c6be0dc0bdf4b5d6f848cd728a77f349d7Dan Gohman MachineFunction &getMachineFunction() const { return *MF; } 27250d2b1ac029d63500ea9b9347561b1454fa6ed6aDan Gohman const TargetMachine &getTarget() const { return TM; } 273ba54bca472a15d0657e1b88776f7069042b60b4eBill Wendling const TargetLowering &getTargetLoweringInfo() const { 274ba54bca472a15d0657e1b88776f7069042b60b4eBill Wendling return *TM.getTargetLowering(); 275ba54bca472a15d0657e1b88776f7069042b60b4eBill Wendling } 276ff7a562751604a9fe13efc75bd59622244b54d35Dan Gohman const TargetSelectionDAGInfo &getSelectionDAGInfo() const { return TSI; } 277e4b4edd72ae596ac8d1fdbc6e77f61e331f6775dChandler Carruth const TargetTransformInfo *getTargetTransformInfo() const { return TTI; } 278d1474d09cbe5fdeec8ba0d6c6b52f316f3422532Owen Anderson LLVMContext *getContext() const {return Context; } 279cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 280ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// viewGraph - Pop up a GraphViz/gv window with the DAG rendered using 'dot'. 2811080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner /// 282462dc7f4960e5074ddf4769ec8b2ef1ba7a4d2c8Dan Gohman void viewGraph(const std::string &Title); 2830b12aef49087b57d276ed760a83525d1e2602144Dan Gohman void viewGraph(); 284fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 285ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey#ifndef NDEBUG 286ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey std::map<const SDNode *, std::string> NodeGraphAttrs; 287ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey#endif 2881080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 289ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// clearGraphAttrs - Clear all previously defined node graph attributes. 290ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// Intended to be used from a debugging tool (eg. gdb). 291ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey void clearGraphAttrs(); 292fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 293ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// setGraphAttrs - Set graph attributes for a node. (eg. "color=red".) 294ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// 295ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey void setGraphAttrs(const SDNode *N, const char *Attrs); 296fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 297ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// getGraphAttrs - Get graph attributes for a node. (eg. "color=red".) 298ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// Used from getNodeAttributes. 299ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey const std::string getGraphAttrs(const SDNode *N) const; 300fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 301ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// setGraphColor - Convenience for setting node color attribute. 302ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey /// 303ec20402c90b605afeedbcf0e3aabe6f8054f23ddJim Laskey void setGraphColor(const SDNode *N, const char *Color); 3041080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 305c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// setGraphColor - Convenience for setting subgraph color attribute. 306c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene /// 307c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene void setSubgraphColor(SDNode *N, const char *Color); 308c5e7e8d87d4a3b10edd5ac93ba1f3cdb4d1b449aDavid Greene 309fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman typedef ilist<SDNode>::const_iterator allnodes_const_iterator; 310b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner allnodes_const_iterator allnodes_begin() const { return AllNodes.begin(); } 311b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner allnodes_const_iterator allnodes_end() const { return AllNodes.end(); } 312fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman typedef ilist<SDNode>::iterator allnodes_iterator; 313b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner allnodes_iterator allnodes_begin() { return AllNodes.begin(); } 314b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner allnodes_iterator allnodes_end() { return AllNodes.end(); } 315fed90b6d097d50881afb45e4d79f430db66dd741Dan Gohman ilist<SDNode>::size_type allnodes_size() const { 3160e5f1306b059b62d7725f324e087efbc8e7a782dDan Gohman return AllNodes.size(); 3170e5f1306b059b62d7725f324e087efbc8e7a782dDan Gohman } 318fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 319c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// getRoot - Return the root tag of the SelectionDAG. 320cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 321475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue &getRoot() const { return Root; } 322cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 323c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// getEntryNode - Return the token chain corresponding to the entry of the 324c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// function. 325f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman SDValue getEntryNode() const { 326f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman return SDValue(const_cast<SDNode *>(&EntryNode), 0); 327f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman } 328cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 329c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// setRoot - Set the current root tag of the SelectionDAG. 330cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 331475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue &setRoot(SDValue N) { 332825b72b0571821bf2d378749f69d6c4cfb52d2f9Owen Anderson assert((!N.getNode() || N.getValueType() == MVT::Other) && 333acaf09dbe4a6781163857db1321bbd5795e7d410Dan Gohman "DAG root value is not a chain!"); 334cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greene if (N.getNode()) 335cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greene checkForCycles(N.getNode()); 336cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greene Root = N; 337cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greene if (N.getNode()) 338cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greene checkForCycles(this); 339cf495bc2e505e52ad018da55bed11c7b8bc97db5David Greene return Root; 340acaf09dbe4a6781163857db1321bbd5795e7d410Dan Gohman } 341cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 3421d4d41411190dd9e62764e56713753d4155764ddNate Begeman /// Combine - This iterates over the nodes in the SelectionDAG, folding 34325cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// certain types of nodes together, or eliminating superfluous nodes. The 34425cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// Level argument controls whether Combine is allowed to produce nodes and 34525cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// types that are illegal on the target. 34698a366d547772010e94609e4584489b3e5ce0043Bill Wendling void Combine(CombineLevel Level, AliasAnalysis &AA, 34798a366d547772010e94609e4584489b3e5ce0043Bill Wendling CodeGenOpt::Level OptLevel); 34825cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands 34901d029b82cb08367d81aa10cdc94d05360466649Chris Lattner /// LegalizeTypes - This transforms the SelectionDAG into a SelectionDAG that 35025cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// only uses types natively supported by the target. Returns "true" if it 35125cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands /// made any changes. 35201d029b82cb08367d81aa10cdc94d05360466649Chris Lattner /// 35301d029b82cb08367d81aa10cdc94d05360466649Chris Lattner /// Note that this is an involved process that may invalidate pointers into 35401d029b82cb08367d81aa10cdc94d05360466649Chris Lattner /// the graph. 35525cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands bool LegalizeTypes(); 35625cf2275ff7de3de3bc0e508abaf457413d74725Duncan Sands 357c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// Legalize - This transforms the SelectionDAG into a SelectionDAG that is 358c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// compatible with the target instruction selector, as indicated by the 359c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// TargetLowering object. 360cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 361c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// Note that this is an involved process that may invalidate pointers into 362c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// the graph. 363975716af1b9a09274df6c2d92683449015bd8564Dan Gohman void Legalize(); 364c3aae25116e66c177579b0b79182b09340b19753Chris Lattner 3655c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// LegalizeVectors - This transforms the SelectionDAG into a SelectionDAG 3665c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// that only uses vector math operations supported by the target. This is 3675c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// necessary as a separate step from Legalize because unrolling a vector 3685c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// operation can introduce illegal types, which requires running 3695c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// LegalizeTypes again. 3705c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// 3715c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// This returns true if it made any changes; in that case, LegalizeTypes 3725c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// is called again before Legalize. 3735c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// 3745c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// Note that this is an involved process that may invalidate pointers into 3755c22c8074404797f1313b1334757254fb5c6487aEli Friedman /// the graph. 3765c22c8074404797f1313b1334757254fb5c6487aEli Friedman bool LegalizeVectors(); 3775c22c8074404797f1313b1334757254fb5c6487aEli Friedman 378d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner /// RemoveDeadNodes - This method deletes all unreachable nodes in the 379190a418bf6b49a4ef1c1980229a2f0d516e8a2cdChris Lattner /// SelectionDAG. 380190a418bf6b49a4ef1c1980229a2f0d516e8a2cdChris Lattner void RemoveDeadNodes(); 381130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng 382130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng /// DeleteNode - Remove the specified node from the system. This node must 383130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng /// have no referrers. 384130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng void DeleteNode(SDNode *N); 385130a6471b90f66e99b1f9f42877fdf611c330ac6Evan Cheng 38670046e920fa37989a041af663ada2b2b646e258fChris Lattner /// getVTList - Return an SDVTList that represents the list of values 38770046e920fa37989a041af663ada2b2b646e258fChris Lattner /// specified. 388e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDVTList getVTList(EVT VT); 389e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDVTList getVTList(EVT VT1, EVT VT2); 390e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDVTList getVTList(EVT VT1, EVT VT2, EVT VT3); 391e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDVTList getVTList(EVT VT1, EVT VT2, EVT VT3, EVT VT4); 392e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDVTList getVTList(const EVT *VTs, unsigned NumVTs); 393fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 3941b1a49714ef26225a42199cf2930529f31868322Chris Lattner //===--------------------------------------------------------------------===// 39570046e920fa37989a041af663ada2b2b646e258fChris Lattner // Node creation methods. 39670046e920fa37989a041af663ada2b2b646e258fChris Lattner // 397e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getConstant(uint64_t Val, EVT VT, bool isTarget = false); 398e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getConstant(const APInt &Val, EVT VT, bool isTarget = false); 399e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getConstant(const ConstantInt &Val, EVT VT, bool isTarget = false); 400475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getIntPtrConstant(uint64_t Val, bool isTarget = false); 401e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getTargetConstant(uint64_t Val, EVT VT) { 402cbea3045ce0bdd061c494a831d0ce2d5834211ccChris Lattner return getConstant(Val, VT, true); 403cbea3045ce0bdd061c494a831d0ce2d5834211ccChris Lattner } 404e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getTargetConstant(const APInt &Val, EVT VT) { 4056394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman return getConstant(Val, VT, true); 4066394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman } 407e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getTargetConstant(const ConstantInt &Val, EVT VT) { 4084fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman return getConstant(Val, VT, true); 4094fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman } 4100a406ae0d940d92c51ee145b48ff7a483a366849Dale Johannesen // The forms below that take a double should only be used for simple 4110a406ae0d940d92c51ee145b48ff7a483a366849Dale Johannesen // constants that can be exactly represented in VT. No checks are made. 412e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getConstantFP(double Val, EVT VT, bool isTarget = false); 413e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getConstantFP(const APFloat& Val, EVT VT, bool isTarget = false); 414e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getConstantFP(const ConstantFP &CF, EVT VT, bool isTarget = false); 415e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getTargetConstantFP(double Val, EVT VT) { 416c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner return getConstantFP(Val, VT, true); 417c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner } 418e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getTargetConstantFP(const APFloat& Val, EVT VT) { 419f04afdbb48568ef09f11fd10ac03426101f2dbf8Dale Johannesen return getConstantFP(Val, VT, true); 420f04afdbb48568ef09f11fd10ac03426101f2dbf8Dale Johannesen } 421e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getTargetConstantFP(const ConstantFP &Val, EVT VT) { 4224fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman return getConstantFP(Val, VT, true); 4234fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman } 424ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getGlobalAddress(const GlobalValue *GV, SDLoc DL, EVT VT, 4252a4ed82ce2ba4a02f2a02eb4ed8ce5186f3f93daChris Lattner int64_t offset = 0, bool isTargetGA = false, 4262a4ed82ce2ba4a02f2a02eb4ed8ce5186f3f93daChris Lattner unsigned char TargetFlags = 0); 427ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getTargetGlobalAddress(const GlobalValue *GV, SDLoc DL, EVT VT, 4282a4ed82ce2ba4a02f2a02eb4ed8ce5186f3f93daChris Lattner int64_t offset = 0, 4292a4ed82ce2ba4a02f2a02eb4ed8ce5186f3f93daChris Lattner unsigned char TargetFlags = 0) { 4300d881dabc1a4e1aefad6dd38de166d8358285638Devang Patel return getGlobalAddress(GV, DL, VT, offset, true, TargetFlags); 431cbea3045ce0bdd061c494a831d0ce2d5834211ccChris Lattner } 432e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getFrameIndex(int FI, EVT VT, bool isTarget = false); 433e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getTargetFrameIndex(int FI, EVT VT) { 434c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner return getFrameIndex(FI, VT, true); 435c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner } 436e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getJumpTable(int JTI, EVT VT, bool isTarget = false, 437f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner unsigned char TargetFlags = 0); 438e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getTargetJumpTable(int JTI, EVT VT, unsigned char TargetFlags = 0) { 439f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner return getJumpTable(JTI, VT, true, TargetFlags); 440c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner } 44146510a73e977273ec67747eb34cbdb43f815e451Dan Gohman SDValue getConstantPool(const Constant *C, EVT VT, 442f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner unsigned Align = 0, int Offs = 0, bool isT=false, 443f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner unsigned char TargetFlags = 0); 44446510a73e977273ec67747eb34cbdb43f815e451Dan Gohman SDValue getTargetConstantPool(const Constant *C, EVT VT, 445f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner unsigned Align = 0, int Offset = 0, 446f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner unsigned char TargetFlags = 0) { 447f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner return getConstantPool(C, VT, Align, Offset, true, TargetFlags); 448c9f8f416800784ca6453222b307bc44ad24739b0Chris Lattner } 449e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getConstantPool(MachineConstantPoolValue *C, EVT VT, 450f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner unsigned Align = 0, int Offs = 0, bool isT=false, 451f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner unsigned char TargetFlags = 0); 452475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getTargetConstantPool(MachineConstantPoolValue *C, 453e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT, unsigned Align = 0, 454f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner int Offset = 0, unsigned char TargetFlags=0) { 455f5a5546f435a261c93078defb41ed18d9cafd7d3Chris Lattner return getConstantPool(C, VT, Align, Offset, true, TargetFlags); 456d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 45774500bdba3eae36a1a8a17d8bad0b971b9c212ecJakob Stoklund Olesen SDValue getTargetIndex(int Index, EVT VT, int64_t Offset = 0, 45874500bdba3eae36a1a8a17d8bad0b971b9c212ecJakob Stoklund Olesen unsigned char TargetFlags = 0); 4598ad9b43e690e8773cf836b30e8da26bc71e18844Dale Johannesen // When generating a branch to a BB, we don't in general know enough 4608ad9b43e690e8773cf836b30e8da26bc71e18844Dale Johannesen // to provide debug info for the BB at that time, so keep this one around. 461475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getBasicBlock(MachineBasicBlock *MBB); 462ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getBasicBlock(MachineBasicBlock *MBB, SDLoc dl); 463e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getExternalSymbol(const char *Sym, EVT VT); 464ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getExternalSymbol(const char *Sym, SDLoc dl, EVT VT); 465e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getTargetExternalSymbol(const char *Sym, EVT VT, 4661af2231da64a14d638406d133c7912bfc1c8a9ceChris Lattner unsigned char TargetFlags = 0); 467e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getValueType(EVT); 468e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getRegister(unsigned Reg, EVT VT); 4699cf37e8b48732fccd4c301ed51aafed7074bd84eJakob Stoklund Olesen SDValue getRegisterMask(const uint32_t *RegMask); 470ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getEHLabel(SDLoc dl, SDValue Root, MCSymbol *Label); 47146510a73e977273ec67747eb34cbdb43f815e451Dan Gohman SDValue getBlockAddress(const BlockAddress *BA, EVT VT, 4726c7ccaa3fd1d6e96d0bf922554b09d2b17c3b0e3Michael Liao int64_t Offset = 0, bool isTarget = false, 4736c7ccaa3fd1d6e96d0bf922554b09d2b17c3b0e3Michael Liao unsigned char TargetFlags = 0); 4746c7ccaa3fd1d6e96d0bf922554b09d2b17c3b0e3Michael Liao SDValue getTargetBlockAddress(const BlockAddress *BA, EVT VT, 4756c7ccaa3fd1d6e96d0bf922554b09d2b17c3b0e3Michael Liao int64_t Offset = 0, 4766c7ccaa3fd1d6e96d0bf922554b09d2b17c3b0e3Michael Liao unsigned char TargetFlags = 0) { 4776c7ccaa3fd1d6e96d0bf922554b09d2b17c3b0e3Michael Liao return getBlockAddress(BA, VT, Offset, true, TargetFlags); 4786c7ccaa3fd1d6e96d0bf922554b09d2b17c3b0e3Michael Liao } 479c3aae25116e66c177579b0b79182b09340b19753Chris Lattner 480ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getCopyToReg(SDValue Chain, SDLoc dl, unsigned Reg, SDValue N) { 481825b72b0571821bf2d378749f69d6c4cfb52d2f9Owen Anderson return getNode(ISD::CopyToReg, dl, MVT::Other, Chain, 4820f502f6f44f2756f5cb7b17d8f1d8eae000d51b4Dale Johannesen getRegister(Reg, N.getValueType()), N); 4830f502f6f44f2756f5cb7b17d8f1d8eae000d51b4Dale Johannesen } 484cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 485e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner // This version of the getCopyToReg method takes an extra operand, which 48629d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner // indicates that there is potentially an incoming glue value (if Glue is not 48729d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner // null) and that there should be a glue result. 488ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getCopyToReg(SDValue Chain, SDLoc dl, unsigned Reg, SDValue N, 48929d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner SDValue Glue) { 490f1b4eafbfec976f939ec0ea3e8acf91cef5363e3Chris Lattner SDVTList VTs = getVTList(MVT::Other, MVT::Glue); 49129d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner SDValue Ops[] = { Chain, getRegister(Reg, N.getValueType()), N, Glue }; 49229d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner return getNode(ISD::CopyToReg, dl, VTs, Ops, Glue.getNode() ? 4 : 3); 4930f502f6f44f2756f5cb7b17d8f1d8eae000d51b4Dale Johannesen } 49466a48bbc3565b40ea0e6f2d58cf5e3a8e64802efEvan Cheng 495475871a144eb604ddaf37503397ba0941442e5fbDan Gohman // Similar to last getCopyToReg() except parameter Reg is a SDValue 496ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getCopyToReg(SDValue Chain, SDLoc dl, SDValue Reg, SDValue N, 49729d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner SDValue Glue) { 498f1b4eafbfec976f939ec0ea3e8acf91cef5363e3Chris Lattner SDVTList VTs = getVTList(MVT::Other, MVT::Glue); 49929d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner SDValue Ops[] = { Chain, Reg, N, Glue }; 50029d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner return getNode(ISD::CopyToReg, dl, VTs, Ops, Glue.getNode() ? 4 : 3); 5010f502f6f44f2756f5cb7b17d8f1d8eae000d51b4Dale Johannesen } 502fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 503ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getCopyFromReg(SDValue Chain, SDLoc dl, unsigned Reg, EVT VT) { 504825b72b0571821bf2d378749f69d6c4cfb52d2f9Owen Anderson SDVTList VTs = getVTList(VT, MVT::Other); 5050f502f6f44f2756f5cb7b17d8f1d8eae000d51b4Dale Johannesen SDValue Ops[] = { Chain, getRegister(Reg, VT) }; 506fc1665793e62eb4f26d24b8a19eecf59cd872e2aDan Gohman return getNode(ISD::CopyFromReg, dl, VTs, Ops, 2); 5070f502f6f44f2756f5cb7b17d8f1d8eae000d51b4Dale Johannesen } 508fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 509e3f1026683c38f6605ccaf698b7082f1b0a0f8c8Chris Lattner // This version of the getCopyFromReg method takes an extra operand, which 51029d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner // indicates that there is potentially an incoming glue value (if Glue is not 51129d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner // null) and that there should be a glue result. 512ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getCopyFromReg(SDValue Chain, SDLoc dl, unsigned Reg, EVT VT, 51329d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner SDValue Glue) { 514f1b4eafbfec976f939ec0ea3e8acf91cef5363e3Chris Lattner SDVTList VTs = getVTList(VT, MVT::Other, MVT::Glue); 51529d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner SDValue Ops[] = { Chain, getRegister(Reg, VT), Glue }; 51629d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner return getNode(ISD::CopyFromReg, dl, VTs, Ops, Glue.getNode() ? 3 : 2); 5170f502f6f44f2756f5cb7b17d8f1d8eae000d51b4Dale Johannesen } 51818c2f13e0f9d0e5d6227cf6d1881e9ee3d1b6109Chris Lattner 519475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCondCode(ISD::CondCode Cond); 520cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 52177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang /// Returns the ConvertRndSat Note: Avoid using this node because it may 52277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang /// disappear in the future and most targets don't support it. 523ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getConvertRndSat(EVT VT, SDLoc dl, SDValue Val, SDValue DTy, 5240f502f6f44f2756f5cb7b17d8f1d8eae000d51b4Dale Johannesen SDValue STy, 5250f502f6f44f2756f5cb7b17d8f1d8eae000d51b4Dale Johannesen SDValue Rnd, SDValue Sat, ISD::CvtCode Code); 5266154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson 5279008ca6b6b4f638cfafccb593cbc5b1d3f5ab877Nate Begeman /// getVectorShuffle - Return an ISD::VECTOR_SHUFFLE node. The number of 5289008ca6b6b4f638cfafccb593cbc5b1d3f5ab877Nate Begeman /// elements in VT, which must be a vector type, must match the number of 5295a5ca1519e04310f585197c20e7ae584b7f2d11fNate Begeman /// mask elements NumElts. A integer mask element equal to -1 is treated as 5309008ca6b6b4f638cfafccb593cbc5b1d3f5ab877Nate Begeman /// undefined. 531ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getVectorShuffle(EVT VT, SDLoc dl, SDValue N1, SDValue N2, 5329008ca6b6b4f638cfafccb593cbc5b1d3f5ab877Nate Begeman const int *MaskElts); 53377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 534a3c42f3d4e5d14c8f4fb9bb123e7759c425d041bNadav Rotem /// getAnyExtOrTrunc - Convert Op, which must be of integer type, to the 535a3c42f3d4e5d14c8f4fb9bb123e7759c425d041bNadav Rotem /// integer type VT, by either any-extending or truncating it. 536ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getAnyExtOrTrunc(SDValue Op, SDLoc DL, EVT VT); 537a3c42f3d4e5d14c8f4fb9bb123e7759c425d041bNadav Rotem 5383a66a68b0cc81193abfc074b1d360a4950151d38Duncan Sands /// getSExtOrTrunc - Convert Op, which must be of integer type, to the 5393a66a68b0cc81193abfc074b1d360a4950151d38Duncan Sands /// integer type VT, by either sign-extending or truncating it. 540ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getSExtOrTrunc(SDValue Op, SDLoc DL, EVT VT); 5413a66a68b0cc81193abfc074b1d360a4950151d38Duncan Sands 5423a66a68b0cc81193abfc074b1d360a4950151d38Duncan Sands /// getZExtOrTrunc - Convert Op, which must be of integer type, to the 5433a66a68b0cc81193abfc074b1d360a4950151d38Duncan Sands /// integer type VT, by either zero-extending or truncating it. 544ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getZExtOrTrunc(SDValue Op, SDLoc DL, EVT VT); 5453a66a68b0cc81193abfc074b1d360a4950151d38Duncan Sands 5461ccae666f596d5aeca5c9942995763600b622062Chris Lattner /// getZeroExtendInReg - Return the expression required to zero extend the Op 5471ccae666f596d5aeca5c9942995763600b622062Chris Lattner /// value assuming it was the smaller SrcTy value. 548ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getZeroExtendInReg(SDValue Op, SDLoc DL, EVT SrcTy); 549fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 5504c2454623841f05c6c665659b34c214950d12d7eBob Wilson /// getNOT - Create a bitwise NOT operation as (XOR Val, -1). 551ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNOT(SDLoc DL, SDValue Val, EVT VT); 5524c2454623841f05c6c665659b34c214950d12d7eBob Wilson 5536a5b6d7633c96c72ca7d5f8ba0c855e4690ada04Chris Lattner /// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have 55429d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner /// a glue result (to ensure it's not CSE'd). CALLSEQ_START does not have a 555ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick /// useful SDLoc. 5566e0b2a0cb0d398f175a5294bf0ad5488c714e8c2Andrew Trick SDValue getCALLSEQ_START(SDValue Chain, SDValue Op, SDLoc DL) { 557f1b4eafbfec976f939ec0ea3e8acf91cef5363e3Chris Lattner SDVTList VTs = getVTList(MVT::Other, MVT::Glue); 558475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Chain, Op }; 5596e0b2a0cb0d398f175a5294bf0ad5488c714e8c2Andrew Trick return getNode(ISD::CALLSEQ_START, DL, VTs, Ops, 2); 5606a5b6d7633c96c72ca7d5f8ba0c855e4690ada04Chris Lattner } 5611ccae666f596d5aeca5c9942995763600b622062Chris Lattner 5620f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling /// getCALLSEQ_END - Return a new CALLSEQ_END node, which always must have a 56329d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner /// glue result (to ensure it's not CSE'd). CALLSEQ_END does not have 564ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick /// a useful SDLoc. 565475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getCALLSEQ_END(SDValue Chain, SDValue Op1, SDValue Op2, 5666e0b2a0cb0d398f175a5294bf0ad5488c714e8c2Andrew Trick SDValue InGlue, SDLoc DL) { 567f1b4eafbfec976f939ec0ea3e8acf91cef5363e3Chris Lattner SDVTList NodeTys = getVTList(MVT::Other, MVT::Glue); 568475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 4> Ops; 5690f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Ops.push_back(Chain); 5700f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Ops.push_back(Op1); 5710f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Ops.push_back(Op2); 57229d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner Ops.push_back(InGlue); 5736e0b2a0cb0d398f175a5294bf0ad5488c714e8c2Andrew Trick return getNode(ISD::CALLSEQ_END, DL, NodeTys, &Ops[0], 57429d8f0cae425f1bba583565227eaebf58f26ce73Chris Lattner (unsigned)Ops.size() - (InGlue.getNode() == 0 ? 1 : 0)); 5750f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling } 5760f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 577ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick /// getUNDEF - Return an UNDEF node. UNDEF does not have a useful SDLoc. 578e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getUNDEF(EVT VT) { 579ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick return getNode(ISD::UNDEF, SDLoc(), VT); 580e8d7230f480654cdb8ff1c3d0a38e1e9ab0bd55fDale Johannesen } 581e8d7230f480654cdb8ff1c3d0a38e1e9ab0bd55fDale Johannesen 582b300d2aa3ef08b5074449e2c05804717f488f4e4Dale Johannesen /// getGLOBAL_OFFSET_TABLE - Return a GLOBAL_OFFSET_TABLE node. This does 583ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick /// not have a useful SDLoc. 584e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue getGLOBAL_OFFSET_TABLE(EVT VT) { 585ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick return getNode(ISD::GLOBAL_OFFSET_TABLE, SDLoc(), VT); 586b300d2aa3ef08b5074449e2c05804717f488f4e4Dale Johannesen } 587b300d2aa3ef08b5074449e2c05804717f488f4e4Dale Johannesen 588c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// getNode - Gets or creates the specified node. 589cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 590ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT); 591ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N); 592ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N1, SDValue N2); 593ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, 5947ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3); 595ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, 5967ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4); 597ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, 5987ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4, 5997ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N5); 600ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, 6017ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDUse *Ops, unsigned NumOps); 602ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, 6037ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 604ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, 6053853f74aba301ef08b699bac2fa8e53230714a58Benjamin Kramer ArrayRef<EVT> ResultTys, 6067ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 607ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, const EVT *VTs, unsigned NumVTs, 6087ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 609ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, 6107ade28cd62f5188951387e1056a46001388a21f9Bill Wendling const SDValue *Ops, unsigned NumOps); 611ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs); 612ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, SDValue N); 613ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, 6147ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2); 615ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, 6167ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3); 617ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, 6187ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4); 619ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, 6207ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N1, SDValue N2, SDValue N3, SDValue N4, 6217ade28cd62f5188951387e1056a46001388a21f9Bill Wendling SDValue N5); 622475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 62398ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman /// getStackArgumentTokenFactor - Compute a TokenFactor to force all 62498ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman /// the incoming stack arguments to be loaded from the stack. This is 62598ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman /// used in tail call lowering to protect stack arguments from being 62698ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman /// clobbered. 62798ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman SDValue getStackArgumentTokenFactor(SDValue Chain); 62898ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman 629ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getMemcpy(SDValue Chain, SDLoc dl, SDValue Dst, SDValue Src, 63020adc9dc4650313f017b27d9818eb2176238113dMon P Wang SDValue Size, unsigned Align, bool isVol, bool AlwaysInline, 631e72f2027e9116c55a5b39ac72732df8d6c45d37cChris Lattner MachinePointerInfo DstPtrInfo, 632e72f2027e9116c55a5b39ac72732df8d6c45d37cChris Lattner MachinePointerInfo SrcPtrInfo); 6335c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola 634ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getMemmove(SDValue Chain, SDLoc dl, SDValue Dst, SDValue Src, 63520adc9dc4650313f017b27d9818eb2176238113dMon P Wang SDValue Size, unsigned Align, bool isVol, 636e72f2027e9116c55a5b39ac72732df8d6c45d37cChris Lattner MachinePointerInfo DstPtrInfo, 637e72f2027e9116c55a5b39ac72732df8d6c45d37cChris Lattner MachinePointerInfo SrcPtrInfo); 6385c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola 639ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getMemset(SDValue Chain, SDLoc dl, SDValue Dst, SDValue Src, 64020adc9dc4650313f017b27d9818eb2176238113dMon P Wang SDValue Size, unsigned Align, bool isVol, 641e72f2027e9116c55a5b39ac72732df8d6c45d37cChris Lattner MachinePointerInfo DstPtrInfo); 6425c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola 6437cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner /// getSetCC - Helper function to make it easier to build SetCC's if you just 644475871a144eb604ddaf37503397ba0941442e5fbDan Gohman /// have an ISD::CondCode instead of an SDValue. 6457cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner /// 646ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getSetCC(SDLoc DL, EVT VT, SDValue LHS, SDValue RHS, 647d69c3141ed6d237ad19fdfbfcef8901491b24c2eBill Wendling ISD::CondCode Cond) { 64828b77e968d2b01fc9da724762bd8ddcd80650e32Duncan Sands assert(LHS.getValueType().isVector() == RHS.getValueType().isVector() && 64928b77e968d2b01fc9da724762bd8ddcd80650e32Duncan Sands "Cannot compare scalars to vectors"); 65028b77e968d2b01fc9da724762bd8ddcd80650e32Duncan Sands assert(LHS.getValueType().isVector() == VT.isVector() && 65128b77e968d2b01fc9da724762bd8ddcd80650e32Duncan Sands "Cannot compare scalars to vectors"); 65285cc4d840256841ac231858c3c916e91fe469269Matt Arsenault assert(Cond != ISD::SETCC_INVALID && 65385cc4d840256841ac231858c3c916e91fe469269Matt Arsenault "Cannot create a setCC of an invalid node."); 654d69c3141ed6d237ad19fdfbfcef8901491b24c2eBill Wendling return getNode(ISD::SETCC, DL, VT, LHS, RHS, getCondCode(Cond)); 6557cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner } 6569373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman 65785cc4d840256841ac231858c3c916e91fe469269Matt Arsenault // getSelect - Helper function to make it easier to build Select's if you just 65885cc4d840256841ac231858c3c916e91fe469269Matt Arsenault // have operands and don't want to check for vector. 65985cc4d840256841ac231858c3c916e91fe469269Matt Arsenault SDValue getSelect(SDLoc DL, EVT VT, SDValue Cond, 66085cc4d840256841ac231858c3c916e91fe469269Matt Arsenault SDValue LHS, SDValue RHS) { 66185cc4d840256841ac231858c3c916e91fe469269Matt Arsenault assert(LHS.getValueType() == RHS.getValueType() && 66285cc4d840256841ac231858c3c916e91fe469269Matt Arsenault "Cannot use select on differing types"); 66385cc4d840256841ac231858c3c916e91fe469269Matt Arsenault assert(VT.isVector() == LHS.getValueType().isVector() && 66485cc4d840256841ac231858c3c916e91fe469269Matt Arsenault "Cannot mix vectors and scalars"); 66585cc4d840256841ac231858c3c916e91fe469269Matt Arsenault return getNode(Cond.getValueType().isVector() ? ISD::VSELECT : ISD::SELECT, DL, VT, 66685cc4d840256841ac231858c3c916e91fe469269Matt Arsenault Cond, LHS, RHS); 66785cc4d840256841ac231858c3c916e91fe469269Matt Arsenault } 66885cc4d840256841ac231858c3c916e91fe469269Matt Arsenault 6699373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman /// getSelectCC - Helper function to make it easier to build SelectCC's if you 670475871a144eb604ddaf37503397ba0941442e5fbDan Gohman /// just have an ISD::CondCode instead of an SDValue. 6719373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman /// 672ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getSelectCC(SDLoc DL, SDValue LHS, SDValue RHS, 673d69c3141ed6d237ad19fdfbfcef8901491b24c2eBill Wendling SDValue True, SDValue False, ISD::CondCode Cond) { 674d69c3141ed6d237ad19fdfbfcef8901491b24c2eBill Wendling return getNode(ISD::SELECT_CC, DL, True.getValueType(), 675d69c3141ed6d237ad19fdfbfcef8901491b24c2eBill Wendling LHS, RHS, True, False, getCondCode(Cond)); 6769373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 677fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 678acc398c195a697795bff3245943d104eb19192b9Nate Begeman /// getVAArg - VAArg produces a result and token chain, and takes a pointer 679acc398c195a697795bff3245943d104eb19192b9Nate Begeman /// and a source value as input. 680ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getVAArg(EVT VT, SDLoc dl, SDValue Chain, SDValue Ptr, 681cbeeae23c31d32b833c9c7c3e8984e4cbcf22f45Rafael Espindola SDValue SV, unsigned Align); 6827cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman 683fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel /// getAtomic - Gets a node for an atomic op, produces result and chain and 684c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang /// takes 3 operands 685ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDValue Chain, 68660bddc8bcd787be645d2f3b64117fee884270e6aChris Lattner SDValue Ptr, SDValue Cmp, SDValue Swp, 68755ba816883842e793cdeb32fcb805c4e011b527fEli Friedman MachinePointerInfo PtrInfo, unsigned Alignment, 68855ba816883842e793cdeb32fcb805c4e011b527fEli Friedman AtomicOrdering Ordering, 68955ba816883842e793cdeb32fcb805c4e011b527fEli Friedman SynchronizationScope SynchScope); 690ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDValue Chain, 691c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman SDValue Ptr, SDValue Cmp, SDValue Swp, 69255ba816883842e793cdeb32fcb805c4e011b527fEli Friedman MachineMemOperand *MMO, 69355ba816883842e793cdeb32fcb805c4e011b527fEli Friedman AtomicOrdering Ordering, 69455ba816883842e793cdeb32fcb805c4e011b527fEli Friedman SynchronizationScope SynchScope); 695ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 696327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman /// getAtomic - Gets a node for an atomic op, produces result (if relevant) 697327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman /// and chain and takes 2 operands. 698ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDValue Chain, 699e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Ptr, SDValue Val, const Value* PtrVal, 700327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman unsigned Alignment, AtomicOrdering Ordering, 701327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman SynchronizationScope SynchScope); 702ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDValue Chain, 703327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman SDValue Ptr, SDValue Val, MachineMemOperand *MMO, 704327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman AtomicOrdering Ordering, 705327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman SynchronizationScope SynchScope); 706327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman 707327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman /// getAtomic - Gets a node for an atomic op, produces result and chain and 708327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman /// takes 1 operand. 709ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, EVT VT, 710327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman SDValue Chain, SDValue Ptr, const Value* PtrVal, 71155ba816883842e793cdeb32fcb805c4e011b527fEli Friedman unsigned Alignment, 71255ba816883842e793cdeb32fcb805c4e011b527fEli Friedman AtomicOrdering Ordering, 71355ba816883842e793cdeb32fcb805c4e011b527fEli Friedman SynchronizationScope SynchScope); 714ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, EVT VT, 715327236cd6c211e54fc6288b0ac2b413901cc0611Eli Friedman SDValue Chain, SDValue Ptr, MachineMemOperand *MMO, 71655ba816883842e793cdeb32fcb805c4e011b527fEli Friedman AtomicOrdering Ordering, 71755ba816883842e793cdeb32fcb805c4e011b527fEli Friedman SynchronizationScope SynchScope); 718ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 719268c743a3ba44ada364938bc5ff9b1be219df54fAmara Emerson /// getAtomic - Gets a node for an atomic op, produces result and chain and 720268c743a3ba44ada364938bc5ff9b1be219df54fAmara Emerson /// takes N operands. 721268c743a3ba44ada364938bc5ff9b1be219df54fAmara Emerson SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDVTList VTList, 722268c743a3ba44ada364938bc5ff9b1be219df54fAmara Emerson SDValue* Ops, unsigned NumOps, MachineMemOperand *MMO, 723268c743a3ba44ada364938bc5ff9b1be219df54fAmara Emerson AtomicOrdering Ordering, 724268c743a3ba44ada364938bc5ff9b1be219df54fAmara Emerson SynchronizationScope SynchScope); 725268c743a3ba44ada364938bc5ff9b1be219df54fAmara Emerson 726c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang /// getMemIntrinsicNode - Creates a MemIntrinsicNode that may produce a 727c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman /// result and takes a list of operands. Opcode may be INTRINSIC_VOID, 728c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman /// INTRINSIC_W_CHAIN, or a target-specific opcode with a value not 729c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman /// less than FIRST_TARGET_MEMORY_OPCODE. 730ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getMemIntrinsicNode(unsigned Opcode, SDLoc dl, 731e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson const EVT *VTs, unsigned NumVTs, 732e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const SDValue *Ops, unsigned NumOps, 733e9ba5dd236f48708a00bd3bb0519148f943cc897Chris Lattner EVT MemVT, MachinePointerInfo PtrInfo, 734e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned Align = 0, bool Vol = false, 735e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen bool ReadMem = true, bool WriteMem = true); 736c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang 737ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getMemIntrinsicNode(unsigned Opcode, SDLoc dl, SDVTList VTList, 738e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen const SDValue *Ops, unsigned NumOps, 739e9ba5dd236f48708a00bd3bb0519148f943cc897Chris Lattner EVT MemVT, MachinePointerInfo PtrInfo, 740e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen unsigned Align = 0, bool Vol = false, 741e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen bool ReadMem = true, bool WriteMem = true); 742c4d1021ead43cfa7da08a8f7ddc9a059a8ba14c5Mon P Wang 743ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getMemIntrinsicNode(unsigned Opcode, SDLoc dl, SDVTList VTList, 744c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman const SDValue *Ops, unsigned NumOps, 745c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman EVT MemVT, MachineMemOperand *MMO); 746c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman 7474bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands /// getMergeValues - Create a MERGE_VALUES node from the given operands. 748ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getMergeValues(const SDValue *Ops, unsigned NumOps, SDLoc dl); 749f9516208e57364ab1e7d8748af1f59a2ea5fb572Duncan Sands 750c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// getLoad - Loads are not normal binary operators: their result type is not 751c3aae25116e66c177579b0b79182b09340b19753Chris Lattner /// determined by their operands, and they produce a value AND a token chain. 752cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner /// 753ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getLoad(EVT VT, SDLoc dl, SDValue Chain, SDValue Ptr, 754e72f2027e9116c55a5b39ac72732df8d6c45d37cChris Lattner MachinePointerInfo PtrInfo, bool isVolatile, 755d752e0f7e64585839cb3a458ef52456eaebbea3cPete Cooper bool isNonTemporal, bool isInvariant, unsigned Alignment, 75695d594cac3737ae1594a391276942a443cac426bRafael Espindola const MDNode *TBAAInfo = 0, const MDNode *Ranges = 0); 757ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getExtLoad(ISD::LoadExtType ExtType, SDLoc dl, EVT VT, 758e72f2027e9116c55a5b39ac72732df8d6c45d37cChris Lattner SDValue Chain, SDValue Ptr, MachinePointerInfo PtrInfo, 759e72f2027e9116c55a5b39ac72732df8d6c45d37cChris Lattner EVT MemVT, bool isVolatile, 760f96e4bd2a3b11928af75fb7472288930d16fec0bDan Gohman bool isNonTemporal, unsigned Alignment, 761f96e4bd2a3b11928af75fb7472288930d16fec0bDan Gohman const MDNode *TBAAInfo = 0); 762ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getIndexedLoad(SDValue OrigLoad, SDLoc dl, SDValue Base, 763bcc8017c738e92d9c1af221b11c4916cb524184eEvan Cheng SDValue Offset, ISD::MemIndexedMode AM); 764bcc8017c738e92d9c1af221b11c4916cb524184eEvan Cheng SDValue getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, 765ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick EVT VT, SDLoc dl, 766bcc8017c738e92d9c1af221b11c4916cb524184eEvan Cheng SDValue Chain, SDValue Ptr, SDValue Offset, 7675c5cb2a1717f8e30b1849d7ec1cf269bc5d66877Chris Lattner MachinePointerInfo PtrInfo, EVT MemVT, 768d752e0f7e64585839cb3a458ef52456eaebbea3cPete Cooper bool isVolatile, bool isNonTemporal, bool isInvariant, 76995d594cac3737ae1594a391276942a443cac426bRafael Espindola unsigned Alignment, const MDNode *TBAAInfo = 0, 77095d594cac3737ae1594a391276942a443cac426bRafael Espindola const MDNode *Ranges = 0); 7715c5cb2a1717f8e30b1849d7ec1cf269bc5d66877Chris Lattner SDValue getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, 772ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick EVT VT, SDLoc dl, 7735c5cb2a1717f8e30b1849d7ec1cf269bc5d66877Chris Lattner SDValue Chain, SDValue Ptr, SDValue Offset, 774c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman EVT MemVT, MachineMemOperand *MMO); 7752d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 776ad071e1cd1a4b880019f1b2e827ee81867815f82Evan Cheng /// getStore - Helper function to build ISD::STORE nodes. 777ad071e1cd1a4b880019f1b2e827ee81867815f82Evan Cheng /// 778ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getStore(SDValue Chain, SDLoc dl, SDValue Val, SDValue Ptr, 7795c5cb2a1717f8e30b1849d7ec1cf269bc5d66877Chris Lattner MachinePointerInfo PtrInfo, bool isVolatile, 780f96e4bd2a3b11928af75fb7472288930d16fec0bDan Gohman bool isNonTemporal, unsigned Alignment, 781f96e4bd2a3b11928af75fb7472288930d16fec0bDan Gohman const MDNode *TBAAInfo = 0); 782ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getStore(SDValue Chain, SDLoc dl, SDValue Val, SDValue Ptr, 783c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman MachineMemOperand *MMO); 784ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getTruncStore(SDValue Chain, SDLoc dl, SDValue Val, SDValue Ptr, 7855c5cb2a1717f8e30b1849d7ec1cf269bc5d66877Chris Lattner MachinePointerInfo PtrInfo, EVT TVT, 7865c5cb2a1717f8e30b1849d7ec1cf269bc5d66877Chris Lattner bool isNonTemporal, bool isVolatile, 787f96e4bd2a3b11928af75fb7472288930d16fec0bDan Gohman unsigned Alignment, 788f96e4bd2a3b11928af75fb7472288930d16fec0bDan Gohman const MDNode *TBAAInfo = 0); 789ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getTruncStore(SDValue Chain, SDLoc dl, SDValue Val, SDValue Ptr, 790c76909abfec876c6b751d693ebd3df07df686aa0Dan Gohman EVT TVT, MachineMemOperand *MMO); 791ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getIndexedStore(SDValue OrigStoe, SDLoc dl, SDValue Base, 792e8c17335c53f0f37262ee342f46b0d00ac0c1493Dale Johannesen SDValue Offset, ISD::MemIndexedMode AM); 793ad071e1cd1a4b880019f1b2e827ee81867815f82Evan Cheng 794101a90f3d3c3ad9159676ba744b59b3a9d0b4af5Dan Gohman /// getSrcValue - Construct a node to track a Value* through the backend. 795475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue getSrcValue(const Value *v); 79669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 797decc2671516e6c52ee2f29f7746f8d02753845eaChris Lattner /// getMDNode - Return an MDNodeSDNode which holds an MDNode. 798decc2671516e6c52ee2f29f7746f8d02753845eaChris Lattner SDValue getMDNode(const MDNode *MD); 7996154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson 80092abc62399881ba9c525be80362c134ad836e2d9Duncan Sands /// getShiftAmountOperand - Return the specified value casted to 80192abc62399881ba9c525be80362c134ad836e2d9Duncan Sands /// the target's desired shift amount type. 8026154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson SDValue getShiftAmountOperand(EVT LHSTy, SDValue Op); 80392abc62399881ba9c525be80362c134ad836e2d9Duncan Sands 804b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// UpdateNodeOperands - *Mutate* the specified node in-place to have the 805b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// specified operands. If the resultant node already exists in the DAG, 806b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// this does not modify the specified node, instead it returns the node that 807b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// already exists. If the resultant node does not exist in the DAG, the 808b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// input node is returned. As a degenerate case, if you specify the same 809b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner /// input operands as the node already has, the input node is returned. 810027657db7cf60bcbf40403496d7e4a170f9ce1ecDan Gohman SDNode *UpdateNodeOperands(SDNode *N, SDValue Op); 811027657db7cf60bcbf40403496d7e4a170f9ce1ecDan Gohman SDNode *UpdateNodeOperands(SDNode *N, SDValue Op1, SDValue Op2); 812027657db7cf60bcbf40403496d7e4a170f9ce1ecDan Gohman SDNode *UpdateNodeOperands(SDNode *N, SDValue Op1, SDValue Op2, 813475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op3); 814027657db7cf60bcbf40403496d7e4a170f9ce1ecDan Gohman SDNode *UpdateNodeOperands(SDNode *N, SDValue Op1, SDValue Op2, 815475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op3, SDValue Op4); 816027657db7cf60bcbf40403496d7e4a170f9ce1ecDan Gohman SDNode *UpdateNodeOperands(SDNode *N, SDValue Op1, SDValue Op2, 817475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op3, SDValue Op4, SDValue Op5); 818027657db7cf60bcbf40403496d7e4a170f9ce1ecDan Gohman SDNode *UpdateNodeOperands(SDNode *N, 819475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 820fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 8211b95095857b78e12138c22e76c7936611c51355bChris Lattner /// SelectNodeTo - These are used for target selectors to *mutate* the 8221b95095857b78e12138c22e76c7936611c51355bChris Lattner /// specified node to have the specified return type, Target opcode, and 8231b95095857b78e12138c22e76c7936611c51355bChris Lattner /// operands. Note that target opcodes are stored as 824e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// ~TargetOpcode in the node opcode field. The resultant node is returned. 825e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT); 826e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT, SDValue Op1); 827e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT, 828475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1, SDValue Op2); 829e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT, 830475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1, SDValue Op2, SDValue Op3); 831e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT, 832475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 833e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1, EVT VT2); 834e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1, 835e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT2, const SDValue *Ops, unsigned NumOps); 836e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1, 837e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT2, EVT VT3, const SDValue *Ops, unsigned NumOps); 838e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned MachineOpc, EVT VT1, 839e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT2, EVT VT3, EVT VT4, const SDValue *Ops, 84013d6d446f62f908e8cf74acb3a4df65ea5f497ceBill Wendling unsigned NumOps); 841e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1, 842e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT2, SDValue Op1); 843e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1, 844e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT2, SDValue Op1, SDValue Op2); 845e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1, 846e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT2, SDValue Op1, SDValue Op2, SDValue Op3); 847e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1, 848e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT2, EVT VT3, SDValue Op1, SDValue Op2, SDValue Op3); 849cd920d9ecfcefff13c3619a32b58399cac2e3630Dan Gohman SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, SDVTList VTs, 850475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 851694481ee01bfe507c6e37de0dc1c64cff455eefdEvan Cheng 852df51247725143acb781c224faffd848cc7cf95d8Chris Lattner /// MorphNodeTo - This *mutates* the specified node to have the specified 853e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// return type, opcode, and operands. 854e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman SDNode *MorphNodeTo(SDNode *N, unsigned Opc, SDVTList VTs, 855475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 856753c8f20e45f6e4198c7cf4096ecc8948a029e9cChris Lattner 857602b0c8c17f458d2c80f2deb3c8e554d516ee316Dan Gohman /// getMachineNode - These are used for target selectors to create a new node 858602b0c8c17f458d2c80f2deb3c8e554d516ee316Dan Gohman /// with specified return type(s), MachineInstr opcode, and operands. 8596ae46c4c8757237bca2b78b589c96c37015bc356Evan Cheng /// 860602b0c8c17f458d2c80f2deb3c8e554d516ee316Dan Gohman /// Note that getMachineNode returns the resultant node. If there is already 861602b0c8c17f458d2c80f2deb3c8e554d516ee316Dan Gohman /// a node of the specified opcode and operands, it returns that node instead 862602b0c8c17f458d2c80f2deb3c8e554d516ee316Dan Gohman /// of the current one. 863ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT); 864ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT, 865c81b783e2777b70f4533a4750489d058b6b74ad9Dan Gohman SDValue Op1); 866ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT, 867c81b783e2777b70f4533a4750489d058b6b74ad9Dan Gohman SDValue Op1, SDValue Op2); 868ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT, 8692a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao SDValue Op1, SDValue Op2, SDValue Op3); 870ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT, 8712a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao ArrayRef<SDValue> Ops); 872ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2); 873ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2, 8742a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao SDValue Op1); 875ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2, 8762a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao SDValue Op1, SDValue Op2); 877ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2, 8782a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao SDValue Op1, SDValue Op2, SDValue Op3); 879ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2, 8802a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao ArrayRef<SDValue> Ops); 881ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2, 8822a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao EVT VT3, SDValue Op1, SDValue Op2); 883ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2, 8842a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao EVT VT3, SDValue Op1, SDValue Op2, 8852a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao SDValue Op3); 886ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2, 8872a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao EVT VT3, ArrayRef<SDValue> Ops); 888ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2, 8892a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao EVT VT3, EVT VT4, ArrayRef<SDValue> Ops); 890ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, 8912a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao ArrayRef<EVT> ResultTys, 8922a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao ArrayRef<SDValue> Ops); 893ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, SDVTList VTs, 8942a8bea7a8eba9bfa05dcc7a87e9152a0043841b2Michael Liao ArrayRef<SDValue> Ops); 89508b1173971a51eb89d7d6ee0992c39170c86994aEvan Cheng 8966a402dc952ccad3f8fd0d9e272dbdd261f50854eDan Gohman /// getTargetExtractSubreg - A convenience function for creating 8976a402dc952ccad3f8fd0d9e272dbdd261f50854eDan Gohman /// TargetInstrInfo::EXTRACT_SUBREG nodes. 898ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getTargetExtractSubreg(int SRIdx, SDLoc DL, EVT VT, 8996a402dc952ccad3f8fd0d9e272dbdd261f50854eDan Gohman SDValue Operand); 9006a402dc952ccad3f8fd0d9e272dbdd261f50854eDan Gohman 9015fcbf0d26ecb99d54c182f542bf8db43ff048d6dBob Wilson /// getTargetInsertSubreg - A convenience function for creating 9025fcbf0d26ecb99d54c182f542bf8db43ff048d6dBob Wilson /// TargetInstrInfo::INSERT_SUBREG nodes. 903ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue getTargetInsertSubreg(int SRIdx, SDLoc DL, EVT VT, 9045fcbf0d26ecb99d54c182f542bf8db43ff048d6dBob Wilson SDValue Operand, SDValue Subreg); 9055fcbf0d26ecb99d54c182f542bf8db43ff048d6dBob Wilson 90608b1173971a51eb89d7d6ee0992c39170c86994aEvan Cheng /// getNodeIfExists - Get the specified node if it's already available, or 90708b1173971a51eb89d7d6ee0992c39170c86994aEvan Cheng /// else return NULL. 90808b1173971a51eb89d7d6ee0992c39170c86994aEvan Cheng SDNode *getNodeIfExists(unsigned Opcode, SDVTList VTs, 909475871a144eb604ddaf37503397ba0941442e5fbDan Gohman const SDValue *Ops, unsigned NumOps); 910fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 91131441b7e95e0840e1ae144e5db6f791d6a36bc60Evan Cheng /// getDbgValue - Creates a SDDbgValue node. 91231441b7e95e0840e1ae144e5db6f791d6a36bc60Evan Cheng /// 91331441b7e95e0840e1ae144e5db6f791d6a36bc60Evan Cheng SDDbgValue *getDbgValue(MDNode *MDPtr, SDNode *N, unsigned R, uint64_t Off, 91431441b7e95e0840e1ae144e5db6f791d6a36bc60Evan Cheng DebugLoc DL, unsigned O); 91546510a73e977273ec67747eb34cbdb43f815e451Dan Gohman SDDbgValue *getDbgValue(MDNode *MDPtr, const Value *C, uint64_t Off, 91631441b7e95e0840e1ae144e5db6f791d6a36bc60Evan Cheng DebugLoc DL, unsigned O); 91731441b7e95e0840e1ae144e5db6f791d6a36bc60Evan Cheng SDDbgValue *getDbgValue(MDNode *MDPtr, unsigned FI, uint64_t Off, 91831441b7e95e0840e1ae144e5db6f791d6a36bc60Evan Cheng DebugLoc DL, unsigned O); 91931441b7e95e0840e1ae144e5db6f791d6a36bc60Evan Cheng 920f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// RemoveDeadNode - Remove the specified node from the system. If any of its 921f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// operands then becomes dead, remove them as well. Inform UpdateListener 922f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// for each node deleted. 923bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen void RemoveDeadNode(SDNode *N); 924fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 9250fe9c6e7babb3c0731d9cb864ec498ec4184760fDan Gohman /// RemoveDeadNodes - This method deletes the unreachable nodes in the 9260fe9c6e7babb3c0731d9cb864ec498ec4184760fDan Gohman /// given list, and any nodes that become unreachable as a result. 927bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen void RemoveDeadNodes(SmallVectorImpl<SDNode *> &DeadNodes); 9280fe9c6e7babb3c0731d9cb864ec498ec4184760fDan Gohman 9296542d950609208de3e1cde704c5f89aad864c0d9Chris Lattner /// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead. 93026005b1b672aebd437edc561d381c5dd19a03ddbChris Lattner /// This can cause recursive merging of nodes in the DAG. Use the first 93126005b1b672aebd437edc561d381c5dd19a03ddbChris Lattner /// version if 'From' is known to have a single result, use the second 932c23e4968790395053f3f52aeb3342637fcaafdbfDan Gohman /// if you have two nodes with identical results (or if 'To' has a superset 933c23e4968790395053f3f52aeb3342637fcaafdbfDan Gohman /// of the results of 'From'), use the third otherwise. 9346542d950609208de3e1cde704c5f89aad864c0d9Chris Lattner /// 935fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel /// These methods all take an optional UpdateListener, which (if not null) is 936f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// informed about nodes that are deleted and modified due to recursive 937f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// changes in the dag. 938fde3f3061d665babeb78443119a09876098fc35eChris Lattner /// 9399ad136c851e0a66eb471573aac9fec47d53a61baDan Gohman /// These functions only replace all existing uses. It's possible that as 9409ad136c851e0a66eb471573aac9fec47d53a61baDan Gohman /// these replacements are being performed, CSE may cause the From node 9419ad136c851e0a66eb471573aac9fec47d53a61baDan Gohman /// to be given new uses. These new uses of From are left in place, and 9427a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner /// not automatically transferred to To. 9439ad136c851e0a66eb471573aac9fec47d53a61baDan Gohman /// 944bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen void ReplaceAllUsesWith(SDValue From, SDValue Op); 945bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen void ReplaceAllUsesWith(SDNode *From, SDNode *To); 946bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen void ReplaceAllUsesWith(SDNode *From, const SDValue *To); 947fae9f1cb34d6d2c4dbd007f2d748a70b67776a82Evan Cheng 94880274268b99e5a066825c8cc5aba58dbc5ad0a52Chris Lattner /// ReplaceAllUsesOfValueWith - Replace any uses of From with To, leaving 949f8dc0617baceeba8ccd67c8881eb88eb1be2902cChris Lattner /// uses of other values produced by From.Val alone. 950bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen void ReplaceAllUsesOfValueWith(SDValue From, SDValue To); 95180274268b99e5a066825c8cc5aba58dbc5ad0a52Chris Lattner 952e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// ReplaceAllUsesOfValuesWith - Like ReplaceAllUsesOfValueWith, but 953e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// for multiple values at once. This correctly handles the case where 954e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman /// there is an overlap between the From values and the To values. 955475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ReplaceAllUsesOfValuesWith(const SDValue *From, const SDValue *To, 956bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen unsigned Num); 957e8be6c63915e0389f1eef6b53c64300d13b2ce99Dan Gohman 958f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman /// AssignTopologicalOrder - Topological-sort the AllNodes list and a 959f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman /// assign a unique node id for each node in the DAG based on their 960f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman /// topological order. Returns the number of nodes. 961f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman unsigned AssignTopologicalOrder(); 962e6f35d8a5cc92d776cf460200e2b815e8c301b14Evan Cheng 9638be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman /// RepositionNode - Move node N in the AllNodes list to be immediately 9648be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman /// before the given iterator Position. This may be used to update the 9658be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman /// topological ordering when the list of nodes is modified. 9668be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman void RepositionNode(allnodes_iterator Position, SDNode *N) { 9678be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman AllNodes.insert(Position, AllNodes.remove(N)); 9688be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman } 9698be6bbe5bfd50945ac6c5542e0f54a0924a5db8dDan Gohman 9701efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng /// isCommutativeBinOp - Returns true if the opcode is a commutative binary 9711efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng /// operation. 9721efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng static bool isCommutativeBinOp(unsigned Opcode) { 9734ae9e0c5301126d7f2d4b2975eb86ed21f7b574dChris Lattner // FIXME: This should get its info from the td file, so that we can include 9744ae9e0c5301126d7f2d4b2975eb86ed21f7b574dChris Lattner // target info. 9751efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng switch (Opcode) { 9761efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::ADD: 9771efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::MUL: 9781efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::MULHU: 9791efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::MULHS: 980b6c7437568f0472548ede2710458f52cfad4532eDan Gohman case ISD::SMUL_LOHI: 981b6c7437568f0472548ede2710458f52cfad4532eDan Gohman case ISD::UMUL_LOHI: 9821efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::FADD: 9831efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::FMUL: 9841efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::AND: 9851efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::OR: 9861efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::XOR: 98756e04a80b3cbd348aaf8f1828ed28fb4a9de2312Dan Gohman case ISD::SADDO: 98856e04a80b3cbd348aaf8f1828ed28fb4a9de2312Dan Gohman case ISD::UADDO: 989fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel case ISD::ADDC: 9901efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng case ISD::ADDE: return true; 9911efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng default: return false; 9921efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng } 9931efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng } 9941efba0ecb4d0b3807c48e6e0f74e3ce5c9fad809Evan Cheng 9950a29cb045444c13160e90fe7942a9d7c720185edTim Northover /// Returns an APFloat semantics tag appropriate for the given type. If VT is 9960a29cb045444c13160e90fe7942a9d7c720185edTim Northover /// a vector type, the element semantics are returned. 9970a29cb045444c13160e90fe7942a9d7c720185edTim Northover static const fltSemantics &EVTToAPFloatSemantics(EVT VT) { 9980a29cb045444c13160e90fe7942a9d7c720185edTim Northover switch (VT.getScalarType().getSimpleVT().SimpleTy) { 9990a29cb045444c13160e90fe7942a9d7c720185edTim Northover default: llvm_unreachable("Unknown FP format"); 10000a29cb045444c13160e90fe7942a9d7c720185edTim Northover case MVT::f16: return APFloat::IEEEhalf; 10010a29cb045444c13160e90fe7942a9d7c720185edTim Northover case MVT::f32: return APFloat::IEEEsingle; 10020a29cb045444c13160e90fe7942a9d7c720185edTim Northover case MVT::f64: return APFloat::IEEEdouble; 10030a29cb045444c13160e90fe7942a9d7c720185edTim Northover case MVT::f80: return APFloat::x87DoubleExtended; 10040a29cb045444c13160e90fe7942a9d7c720185edTim Northover case MVT::f128: return APFloat::IEEEquad; 10050a29cb045444c13160e90fe7942a9d7c720185edTim Northover case MVT::ppcf128: return APFloat::PPCDoubleDouble; 10060a29cb045444c13160e90fe7942a9d7c720185edTim Northover } 10070a29cb045444c13160e90fe7942a9d7c720185edTim Northover } 10080a29cb045444c13160e90fe7942a9d7c720185edTim Northover 1009bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng /// AddDbgValue - Add a dbg_value SDNode. If SD is non-null that means the 1010bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng /// value is produced by SD. 1011fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen void AddDbgValue(SDDbgValue *DB, SDNode *SD, bool isParameter); 1012bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen 1013bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng /// GetDbgValues - Get the debug values which reference the given SDNode. 101422a54c1cd711afccd4558374918d12a939e1cca5Benjamin Kramer ArrayRef<SDDbgValue*> GetDbgValues(const SDNode* SD) { 1015bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng return DbgInfo->getSDDbgValues(SD); 1016bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng } 10176154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson 1018a2e868d34ccfed46310e98338ded6a74b2b01308Devang Patel /// TransferDbgValues - Transfer SDDbgValues. 1019a2e868d34ccfed46310e98338ded6a74b2b01308Devang Patel void TransferDbgValues(SDValue From, SDValue To); 1020bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen 1021bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng /// hasDebugValues - Return true if there are any SDDbgValue nodes associated 1022bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng /// with this SelectionDAG. 1023bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng bool hasDebugValues() const { return !DbgInfo->empty(); } 1024bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen 1025bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng SDDbgInfo::DbgIterator DbgBegin() { return DbgInfo->DbgBegin(); } 1026bfcb3051899b7141a946d769fcf6e8a8453bc530Evan Cheng SDDbgInfo::DbgIterator DbgEnd() { return DbgInfo->DbgEnd(); } 10276154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson SDDbgInfo::DbgIterator ByvalParmDbgBegin() { 10286154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson return DbgInfo->ByvalParmDbgBegin(); 1029fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen } 10306154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson SDDbgInfo::DbgIterator ByvalParmDbgEnd() { 10316154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson return DbgInfo->ByvalParmDbgEnd(); 1032fdb42fa5fe794cc2c89e2ed7f57a89ed24d9952aDale Johannesen } 1033bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33Dale Johannesen 1034cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner void dump() const; 1035d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner 103637ce9df0da6cddc3b8bfef9b63d33d058a0f2f15Chris Lattner /// CreateStackTemporary - Create a stack temporary, suitable for holding the 1037364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang /// specified value type. If minAlign is specified, the slot size will have 1038364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang /// at least that alignment. 1039e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue CreateStackTemporary(EVT VT, unsigned minAlign = 1); 104047d9dcc584cdb7fd645ca1d5c2a0ce363570aeb7Duncan Sands 104147d9dcc584cdb7fd645ca1d5c2a0ce363570aeb7Duncan Sands /// CreateStackTemporary - Create a stack temporary suitable for holding 104247d9dcc584cdb7fd645ca1d5c2a0ce363570aeb7Duncan Sands /// either of the specified value types. 1043e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue CreateStackTemporary(EVT VT1, EVT VT2); 104447d9dcc584cdb7fd645ca1d5c2a0ce363570aeb7Duncan Sands 1045fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel /// FoldConstantArithmetic - 10464969310052f45b1e2e5d21735e38641a20be0e21Benjamin Kramer SDValue FoldConstantArithmetic(unsigned Opcode, EVT VT, 10474969310052f45b1e2e5d21735e38641a20be0e21Benjamin Kramer SDNode *Cst1, SDNode *Cst2); 1048f3cbca279db891403659208a99f8e1cceb8c9ea6Bill Wendling 104951dabfb28375be7bc5848806ae31cd068b6133f8Chris Lattner /// FoldSetCC - Constant fold a setcc to true or false. 1050e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson SDValue FoldSetCC(EVT VT, SDValue N1, 1051ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDValue N2, ISD::CondCode Cond, SDLoc dl); 1052fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 10532e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman /// SignBitIsZero - Return true if the sign bit of Op is known to be zero. We 10542e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman /// use this predicate to simplify operations downstream. 1055475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool SignBitIsZero(SDValue Op, unsigned Depth = 0) const; 10562e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman 1057ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// MaskedValueIsZero - Return true if 'Op & Mask' is known to be zero. We 1058ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// use this predicate to simplify operations downstream. Op and Mask are 1059ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// known to be the same type. 1060475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool MaskedValueIsZero(SDValue Op, const APInt &Mask, unsigned Depth = 0) 1061ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman const; 1062fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 1063ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// ComputeMaskedBits - Determine which of the bits specified in Mask are 1064ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// known to be either zero or one and return them in the KnownZero/KnownOne 1065ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// bitsets. This code only analyzes bits in Mask, in order to short-circuit 1066fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel /// processing. Targets can implement the computeMaskedBitsForTargetNode 1067ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// method in the TargetLowering class to allow target nodes to be understood. 106826c8dcc692fb2addd475446cfff24d6a4e958bcaRafael Espindola void ComputeMaskedBits(SDValue Op, APInt &KnownZero, APInt &KnownOne, 106926c8dcc692fb2addd475446cfff24d6a4e958bcaRafael Espindola unsigned Depth = 0) const; 1070fd29e0eb060ea8b4d490860329234d2ae5f5952eDan Gohman 1071ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// ComputeNumSignBits - Return the number of times the sign bit of the 1072ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// register is replicated into the other bits. We know that at least 1 bit 1073ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// is always equal to the sign bit (itself), but other cases can give us 1074ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// information. For example, immediately after an "SRA X, 2", we know that 1075ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// the top 3 bits are all equal to each other, so we return 3. Targets can 1076ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// implement the ComputeNumSignBitsForTarget method in the TargetLowering 1077ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman /// class to allow target nodes to be understood. 1078475871a144eb604ddaf37503397ba0941442e5fbDan Gohman unsigned ComputeNumSignBits(SDValue Op, unsigned Depth = 0) const; 1079a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng 1080a18da59d4028a2e3f5751294e5f487281649299cChris Lattner /// isBaseWithConstantOffset - Return true if the specified operand is an 1081a18da59d4028a2e3f5751294e5f487281649299cChris Lattner /// ISD::ADD with a ConstantSDNode on the right-hand side, or if it is an 1082a18da59d4028a2e3f5751294e5f487281649299cChris Lattner /// ISD::OR with a ConstantSDNode that is guaranteed to have the same 1083a18da59d4028a2e3f5751294e5f487281649299cChris Lattner /// semantics as an ADD. This handles the equivalence: 108494c22716d60ff5edf6a98a3c67e0faa001be1142Sylvestre Ledru /// X|Cst == X+Cst iff X&Cst = 0. 1085a18da59d4028a2e3f5751294e5f487281649299cChris Lattner bool isBaseWithConstantOffset(SDValue Op) const; 10866154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson 10878d44b28bc6f615b9ad79b066987d53b1ea2a2942Dan Gohman /// isKnownNeverNan - Test whether the given SDValue is known to never be NaN. 10888d44b28bc6f615b9ad79b066987d53b1ea2a2942Dan Gohman bool isKnownNeverNaN(SDValue Op) const; 10898d44b28bc6f615b9ad79b066987d53b1ea2a2942Dan Gohman 1090e832693acbfc713bcaf44720efa8149e93a38027Dan Gohman /// isKnownNeverZero - Test whether the given SDValue is known to never be 1091e832693acbfc713bcaf44720efa8149e93a38027Dan Gohman /// positive or negative Zero. 1092e832693acbfc713bcaf44720efa8149e93a38027Dan Gohman bool isKnownNeverZero(SDValue Op) const; 1093e832693acbfc713bcaf44720efa8149e93a38027Dan Gohman 1094e832693acbfc713bcaf44720efa8149e93a38027Dan Gohman /// isEqualTo - Test whether two SDValues are known to compare equal. This 1095e832693acbfc713bcaf44720efa8149e93a38027Dan Gohman /// is true if they are the same value, or if one is negative zero and the 1096e832693acbfc713bcaf44720efa8149e93a38027Dan Gohman /// other positive zero. 1097e832693acbfc713bcaf44720efa8149e93a38027Dan Gohman bool isEqualTo(SDValue A, SDValue B) const; 1098e832693acbfc713bcaf44720efa8149e93a38027Dan Gohman 1099cd6e725f21852e2f8cdf5fd0e65eb42c224776f8Mon P Wang /// UnrollVectorOp - Utility function used by legalize and lowering to 1100cd6e725f21852e2f8cdf5fd0e65eb42c224776f8Mon P Wang /// "unroll" a vector operation by splitting out the scalars and operating 1101cd6e725f21852e2f8cdf5fd0e65eb42c224776f8Mon P Wang /// on each element individually. If the ResNE is 0, fully unroll the vector 1102cd6e725f21852e2f8cdf5fd0e65eb42c224776f8Mon P Wang /// op. If ResNE is less than the width of the vector op, unroll up to ResNE. 1103cd6e725f21852e2f8cdf5fd0e65eb42c224776f8Mon P Wang /// If the ResNE is greater than the width of the vector op, unroll the 1104cd6e725f21852e2f8cdf5fd0e65eb42c224776f8Mon P Wang /// vector op and fill the end of the resulting vector with UNDEFS. 1105cd6e725f21852e2f8cdf5fd0e65eb42c224776f8Mon P Wang SDValue UnrollVectorOp(SDNode *N, unsigned ResNE = 0); 1106cd6e725f21852e2f8cdf5fd0e65eb42c224776f8Mon P Wang 11076154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson /// isConsecutiveLoad - Return true if LD is loading 'Bytes' bytes from a 11086154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson /// location that is 'Dist' units away from the location that the 'Base' load 110964fa4a9584113f63eccc1a650e7e0cc4ddbab3f6Evan Cheng /// is loading from. 111064fa4a9584113f63eccc1a650e7e0cc4ddbab3f6Evan Cheng bool isConsecutiveLoad(LoadSDNode *LD, LoadSDNode *Base, 111164fa4a9584113f63eccc1a650e7e0cc4ddbab3f6Evan Cheng unsigned Bytes, int Dist) const; 111264fa4a9584113f63eccc1a650e7e0cc4ddbab3f6Evan Cheng 1113f2dc5c785dea1816cbc064b58b4b6ea23c4fd7d4Evan Cheng /// InferPtrAlignment - Infer alignment of a load / store address. Return 0 if 1114f2dc5c785dea1816cbc064b58b4b6ea23c4fd7d4Evan Cheng /// it cannot be inferred. 11157ced2e0b304e76ab746c7d9a54ad8d4930445a38Evan Cheng unsigned InferPtrAlignment(SDValue Ptr) const; 1116f2dc5c785dea1816cbc064b58b4b6ea23c4fd7d4Evan Cheng 1117d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattnerprivate: 1118095cc29f321382e1f7d295e262a28197f92c5491Dan Gohman bool RemoveNodeFromCSEMaps(SDNode *N); 1119bc7d448f242b1bbc1031fb87cd69c285ff9aaffaJakob Stoklund Olesen void AddModifiedNodeToCSEMaps(SDNode *N); 1120475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *FindModifiedNodeSlot(SDNode *N, SDValue Op, void *&InsertPos); 1121475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *FindModifiedNodeSlot(SDNode *N, SDValue Op1, SDValue Op2, 1122a5682853b9921bbb0dd2ee175c9bd44142d4819eChris Lattner void *&InsertPos); 1123475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *FindModifiedNodeSlot(SDNode *N, const SDValue *Ops, unsigned NumOps, 1124a5682853b9921bbb0dd2ee175c9bd44142d4819eChris Lattner void *&InsertPos); 1125ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDNode *UpdadeSDLocOnMergedSDNode(SDNode *N, SDLoc loc); 1126b9aff659e82e4ec1a507e6e7fe7969379a431613Chris Lattner 1127fde3f3061d665babeb78443119a09876098fc35eChris Lattner void DeleteNodeNotInCSEMaps(SDNode *N); 1128c53361294957b63a9c1e405256c6f0a81db1685cDan Gohman void DeallocateNode(SDNode *N); 11299c6e70eca9a49c146b26621cbcbb9464ceeac024Dan Gohman 1130e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson unsigned getEVTAlignment(EVT MemoryVT) const; 1131f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman 1132f350b277f32d7d47f86c0e54f4aec4d470500618Dan Gohman void allnodes_clear(); 1133fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 1134101a90f3d3c3ad9159676ba744b59b3a9d0b4af5Dan Gohman /// VTList - List of non-single value types. 11358c955ea858b0c99c856c7c10a3eee7576d13abd1Wan Xiaofei FoldingSet<SDVTListNode> VTListMap; 1136fdc40a0a696c658d550d894ea03772e5f8af2c94Scott Michel 1137101a90f3d3c3ad9159676ba744b59b3a9d0b4af5Dan Gohman /// CondCodeNodes - Maps to auto-CSE operations. 11387cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner std::vector<CondCodeSDNode*> CondCodeNodes; 11391cff05c7c216eea0e9173738c2a60b70c2b3c013Chris Lattner 114015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner std::vector<SDNode*> ValueTypeNodes; 1141e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson std::map<EVT, SDNode*, EVT::compareRawBits> ExtendedValueTypeNodes; 1142056292fd738924f3f7703725d8f630983794b5a5Bill Wendling StringMap<SDNode*> ExternalSymbols; 11436154f6c9292179fab6346ae8336f2ad790b52028Owen Anderson 11441af2231da64a14d638406d133c7912bfc1c8a9ceChris Lattner std::map<std::pair<std::string, unsigned char>,SDNode*> TargetExternalSymbols; 1145cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner}; 1146cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 11471080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnertemplate <> struct GraphTraits<SelectionDAG*> : public GraphTraits<SDNode*> { 11481080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner typedef SelectionDAG::allnodes_iterator nodes_iterator; 11491080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static nodes_iterator nodes_begin(SelectionDAG *G) { 11501080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return G->allnodes_begin(); 11511080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 11521080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static nodes_iterator nodes_end(SelectionDAG *G) { 11531080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return G->allnodes_end(); 11541080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 11551080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner}; 11561080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 1157b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner} // end namespace llvm 1158cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner 1159cacf462915344c2af25eef1af1f3ee2c7280ff56Chris Lattner#endif 1160