BitcodeWriter.cpp revision d711dec946b6408791ca59eb98e363ef04bbd4aa
1d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines//===--- Bitcode/Writer/BitcodeWriter.cpp - Bitcode Writer ----------------===// 2d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// 3d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// The LLVM Compiler Infrastructure 4d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// 5d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// This file is distributed under the University of Illinois Open Source 6d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// License. See LICENSE.TXT for details. 7d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// 8d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines//===----------------------------------------------------------------------===// 9d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// 10d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Bitcode writer implementation. 11d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// 12d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines//===----------------------------------------------------------------------===// 13d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 14d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "ReaderWriter_3_2.h" 15d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Bitcode/BitstreamWriter.h" 16d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Bitcode/LLVMBitCodes.h" 17d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "ValueEnumerator.h" 18d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Constants.h" 19d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/DerivedTypes.h" 20d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/InlineAsm.h" 21d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Instructions.h" 22d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Module.h" 23d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Operator.h" 24d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/ValueSymbolTable.h" 25d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/ADT/Triple.h" 26d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/CommandLine.h" 27d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/ErrorHandling.h" 28d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/MathExtras.h" 29d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/raw_ostream.h" 30d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/Program.h" 31d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include <cctype> 32d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include <map> 33d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesusing namespace llvm; 34d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 35d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic cl::opt<bool> 36d711dec946b6408791ca59eb98e363ef04bbd4aaStephen HinesEnablePreserveUseListOrdering("enable-bc-uselist-preserve", 37d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cl::desc("Turn on experimental support for " 38d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines "use-list order preservation."), 39d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cl::init(false), cl::Hidden); 40d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 41d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// These are manifest constants used by the bitcode writer. They do not need to 42d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// be kept in sync with the reader, but need to be consistent within this file. 43d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesenum { 44d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CurVersion = 0, 45d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 46d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VALUE_SYMTAB_BLOCK abbrev id's. 47d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_ENTRY_8_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 48d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_ENTRY_7_ABBREV, 49d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_ENTRY_6_ABBREV, 50d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_BBENTRY_6_ABBREV, 51d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 52d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // CONSTANTS_BLOCK abbrev id's. 53d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_SETTYPE_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 54d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_INTEGER_ABBREV, 55d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_CE_CAST_Abbrev, 56d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_NULL_Abbrev, 57d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 58d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FUNCTION_BLOCK abbrev id's. 59d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_LOAD_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 60d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_BINOP_ABBREV, 61d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_BINOP_FLAGS_ABBREV, 62d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_CAST_ABBREV, 63d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_RET_VOID_ABBREV, 64d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_RET_VAL_ABBREV, 65d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_UNREACHABLE_ABBREV, 66d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 67d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // SwitchInst Magic 68d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SWITCH_INST_MAGIC = 0x4B5 // May 2012 => 1205 => Hex 69d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines}; 70d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 71d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedCastOpcode(unsigned Opcode) { 72d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Opcode) { 73d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown cast instruction!"); 74d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Trunc : return bitc::CAST_TRUNC; 75d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ZExt : return bitc::CAST_ZEXT; 76d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SExt : return bitc::CAST_SEXT; 77d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPToUI : return bitc::CAST_FPTOUI; 78d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPToSI : return bitc::CAST_FPTOSI; 79d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::UIToFP : return bitc::CAST_UITOFP; 80d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SIToFP : return bitc::CAST_SITOFP; 81d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPTrunc : return bitc::CAST_FPTRUNC; 82d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPExt : return bitc::CAST_FPEXT; 83d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::PtrToInt: return bitc::CAST_PTRTOINT; 84d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::IntToPtr: return bitc::CAST_INTTOPTR; 85d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::BitCast : return bitc::CAST_BITCAST; 86d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 87d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 88d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 89d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedBinaryOpcode(unsigned Opcode) { 90d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Opcode) { 91d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown binary instruction!"); 92d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Add: 93d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FAdd: return bitc::BINOP_ADD; 94d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Sub: 95d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FSub: return bitc::BINOP_SUB; 96d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Mul: 97d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FMul: return bitc::BINOP_MUL; 98d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::UDiv: return bitc::BINOP_UDIV; 99d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FDiv: 100d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SDiv: return bitc::BINOP_SDIV; 101d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::URem: return bitc::BINOP_UREM; 102d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FRem: 103d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SRem: return bitc::BINOP_SREM; 104d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Shl: return bitc::BINOP_SHL; 105d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::LShr: return bitc::BINOP_LSHR; 106d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::AShr: return bitc::BINOP_ASHR; 107d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::And: return bitc::BINOP_AND; 108d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Or: return bitc::BINOP_OR; 109d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Xor: return bitc::BINOP_XOR; 110d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 111d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 112d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 113d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedRMWOperation(AtomicRMWInst::BinOp Op) { 114d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Op) { 115d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown RMW operation!"); 116d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Xchg: return bitc::RMW_XCHG; 117d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Add: return bitc::RMW_ADD; 118d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Sub: return bitc::RMW_SUB; 119d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::And: return bitc::RMW_AND; 120d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Nand: return bitc::RMW_NAND; 121d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Or: return bitc::RMW_OR; 122d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Xor: return bitc::RMW_XOR; 123d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Max: return bitc::RMW_MAX; 124d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Min: return bitc::RMW_MIN; 125d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::UMax: return bitc::RMW_UMAX; 126d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::UMin: return bitc::RMW_UMIN; 127d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 128d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 129d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 130d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedOrdering(AtomicOrdering Ordering) { 131d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Ordering) { 132d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case NotAtomic: return bitc::ORDERING_NOTATOMIC; 133d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Unordered: return bitc::ORDERING_UNORDERED; 134d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Monotonic: return bitc::ORDERING_MONOTONIC; 135d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Acquire: return bitc::ORDERING_ACQUIRE; 136d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Release: return bitc::ORDERING_RELEASE; 137d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AcquireRelease: return bitc::ORDERING_ACQREL; 138d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case SequentiallyConsistent: return bitc::ORDERING_SEQCST; 139d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 140d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid ordering"); 141d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 142d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 143d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedSynchScope(SynchronizationScope SynchScope) { 144d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (SynchScope) { 145d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case SingleThread: return bitc::SYNCHSCOPE_SINGLETHREAD; 146d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case CrossThread: return bitc::SYNCHSCOPE_CROSSTHREAD; 147d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 148d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid synch scope"); 149d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 150d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 151d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteStringRecord(unsigned Code, StringRef Str, 152d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse, BitstreamWriter &Stream) { 153d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> Vals; 154d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 155d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Code: [strchar x N] 156d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Str.size(); i != e; ++i) { 157d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (AbbrevToUse && !BitCodeAbbrevOp::isChar6(Str[i])) 158d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = 0; 159d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Str[i]); 160d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 161d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 162d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 163d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 164d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 165d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 166d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit information about parameter attributes. 167d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteAttributeTable(const llvm_3_2::ValueEnumerator &VE, 168d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 169d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const std::vector<AttrListPtr> &Attrs = VE.getAttributes(); 170d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Attrs.empty()) return; 171d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 172d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::PARAMATTR_BLOCK_ID, 3); 173d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 174d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 175d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Attrs.size(); i != e; ++i) { 176d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const AttrListPtr &A = Attrs[i]; 177d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) { 178d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const AttributeWithIndex &PAWI = A.getSlot(i); 179d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(PAWI.Index); 180d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(Attribute::encodeLLVMAttributesForBitcode(PAWI.Attrs)); 181d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 182d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 183d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::PARAMATTR_CODE_ENTRY, Record); 184d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 185d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 186d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 187d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 188d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 189d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 190d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteTypeTable - Write out the type table for a module. 191d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteTypeTable(const llvm_3_2::ValueEnumerator &VE, 192d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 193d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::TypeList &TypeList = VE.getTypes(); 194d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 195d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::TYPE_BLOCK_ID_NEW, 4 /*count from # abbrevs */); 196d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> TypeVals; 197d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 198d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t NumBits = Log2_32_Ceil(VE.getTypes().size()+1); 199d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 200d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_POINTER. 201d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 202d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_POINTER)); 203d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 204d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); // Addrspace = 0 205d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned PtrAbbrev = Stream.EmitAbbrev(Abbv); 206d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 207d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_FUNCTION. 208d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 209d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_FUNCTION)); 210d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isvararg 211d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 212d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 213d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 214d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned FunctionAbbrev = Stream.EmitAbbrev(Abbv); 215d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 216d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_STRUCT_ANON. 217d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 218d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_ANON)); 219d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 220d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 221d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 222d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 223d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned StructAnonAbbrev = Stream.EmitAbbrev(Abbv); 224d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 225d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAME. 226d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 227d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAME)); 228d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 229d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 230d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned StructNameAbbrev = Stream.EmitAbbrev(Abbv); 231d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 232d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAMED. 233d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 234d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAMED)); 235d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 236d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 237d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 238d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 239d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned StructNamedAbbrev = Stream.EmitAbbrev(Abbv); 240d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 241d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_ARRAY. 242d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 243d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_ARRAY)); 244d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // size 245d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 246d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 247d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned ArrayAbbrev = Stream.EmitAbbrev(Abbv); 248d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 249d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit an entry count so the reader can reserve space. 250d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(TypeList.size()); 251d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::TYPE_CODE_NUMENTRY, TypeVals); 252d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.clear(); 253d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 254d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Loop over all of the types, emitting each in turn. 255d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = TypeList.size(); i != e; ++i) { 256d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *T = TypeList[i]; 257d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines int AbbrevToUse = 0; 258d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code = 0; 259d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 260d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (T->getTypeID()) { 261d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown type!"); 262d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::VoidTyID: Code = bitc::TYPE_CODE_VOID; break; 263d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::HalfTyID: Code = bitc::TYPE_CODE_HALF; break; 264d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::FloatTyID: Code = bitc::TYPE_CODE_FLOAT; break; 265d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::DoubleTyID: Code = bitc::TYPE_CODE_DOUBLE; break; 266d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::X86_FP80TyID: Code = bitc::TYPE_CODE_X86_FP80; break; 267d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::FP128TyID: Code = bitc::TYPE_CODE_FP128; break; 268d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::PPC_FP128TyID: Code = bitc::TYPE_CODE_PPC_FP128; break; 269d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::LabelTyID: Code = bitc::TYPE_CODE_LABEL; break; 270d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::MetadataTyID: Code = bitc::TYPE_CODE_METADATA; break; 271d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::X86_MMXTyID: Code = bitc::TYPE_CODE_X86_MMX; break; 272d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::IntegerTyID: 273d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // INTEGER: [width] 274d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_INTEGER; 275d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(cast<IntegerType>(T)->getBitWidth()); 276d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 277d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::PointerTyID: { 278d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PointerType *PTy = cast<PointerType>(T); 279d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // POINTER: [pointee type, address space] 280d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_POINTER; 281d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(PTy->getElementType())); 282d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AddressSpace = PTy->getAddressSpace(); 283d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(AddressSpace); 284d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (AddressSpace == 0) AbbrevToUse = PtrAbbrev; 285d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 286d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 287d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::FunctionTyID: { 288d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FunctionType *FT = cast<FunctionType>(T); 289d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FUNCTION: [isvararg, retty, paramty x N] 290d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_FUNCTION; 291d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(FT->isVarArg()); 292d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(FT->getReturnType())); 293d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) 294d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(FT->getParamType(i))); 295d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FunctionAbbrev; 296d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 297d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 298d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::StructTyID: { 299d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StructType *ST = cast<StructType>(T); 300d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // STRUCT: [ispacked, eltty x N] 301d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(ST->isPacked()); 302d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Output all of the element types. 303d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (StructType::element_iterator I = ST->element_begin(), 304d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines E = ST->element_end(); I != E; ++I) 305d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(*I)); 306d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 307d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (ST->isLiteral()) { 308d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_STRUCT_ANON; 309d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = StructAnonAbbrev; 310d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 311d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (ST->isOpaque()) { 312d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_OPAQUE; 313d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 314d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_STRUCT_NAMED; 315d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = StructNamedAbbrev; 316d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 317d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 318d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the name if it is present. 319d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!ST->getName().empty()) 320d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::TYPE_CODE_STRUCT_NAME, ST->getName(), 321d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StructNameAbbrev, Stream); 322d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 323d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 324d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 325d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::ArrayTyID: { 326d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ArrayType *AT = cast<ArrayType>(T); 327d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // ARRAY: [numelts, eltty] 328d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_ARRAY; 329d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(AT->getNumElements()); 330d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(AT->getElementType())); 331d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = ArrayAbbrev; 332d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 333d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 334d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::VectorTyID: { 335d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VectorType *VT = cast<VectorType>(T); 336d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VECTOR [numelts, eltty] 337d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_VECTOR; 338d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VT->getNumElements()); 339d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(VT->getElementType())); 340d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 341d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 342d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 343d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 344d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 345d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, TypeVals, AbbrevToUse); 346d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.clear(); 347d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 348d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 349d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 350d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 351d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 352d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned getEncodedLinkage(const GlobalValue *GV) { 353d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (GV->getLinkage()) { 354d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::ExternalLinkage: return 0; 355d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::WeakAnyLinkage: return 1; 356d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::AppendingLinkage: return 2; 357d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::InternalLinkage: return 3; 358d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::LinkOnceAnyLinkage: return 4; 359d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::DLLImportLinkage: return 5; 360d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::DLLExportLinkage: return 6; 361d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::ExternalWeakLinkage: return 7; 362d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::CommonLinkage: return 8; 363d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::PrivateLinkage: return 9; 364d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::WeakODRLinkage: return 10; 365d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::LinkOnceODRLinkage: return 11; 366d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::AvailableExternallyLinkage: return 12; 367d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::LinkerPrivateLinkage: return 13; 368d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::LinkerPrivateWeakLinkage: return 14; 369d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::LinkOnceODRAutoHideLinkage: return 15; 370d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 371d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid linkage"); 372d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 373d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 374d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned getEncodedVisibility(const GlobalValue *GV) { 375d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (GV->getVisibility()) { 376d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::DefaultVisibility: return 0; 377d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::HiddenVisibility: return 1; 378d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::ProtectedVisibility: return 2; 379d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 380d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid visibility"); 381d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 382d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 383d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned getEncodedThreadLocalMode(const GlobalVariable *GV) { 384d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (GV->getThreadLocalMode()) { 385d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::NotThreadLocal: return 0; 386d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::GeneralDynamicTLSModel: return 1; 387d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::LocalDynamicTLSModel: return 2; 388d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::InitialExecTLSModel: return 3; 389d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::LocalExecTLSModel: return 4; 390d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 391d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid TLS model"); 392d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 393d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 394d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit top-level description of module, including target triple, inline asm, 395d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// descriptors for global variables, and function prototype info. 396d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleInfo(const Module *M, 397d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 398d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 399d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the list of dependent libraries for the Module. 400d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::lib_iterator I = M->lib_begin(), E = M->lib_end(); I != E; ++I) 401d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_DEPLIB, *I, 0/*TODO*/, Stream); 402d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 403d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit various pieces of data attached to a module. 404d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->getTargetTriple().empty()) 405d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_TRIPLE, M->getTargetTriple(), 406d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 407d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->getDataLayout().empty()) 408d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_DATALAYOUT, M->getDataLayout(), 409d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 410d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->getModuleInlineAsm().empty()) 411d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_ASM, M->getModuleInlineAsm(), 412d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 413d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 414d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit information about sections and GC, computing how many there are. Also 415d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // compute the maximum alignment value. 416d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines std::map<std::string, unsigned> SectionMap; 417d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines std::map<std::string, unsigned> GCMap; 418d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MaxAlignment = 0; 419d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MaxGlobalType = 0; 420d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_global_iterator GV = M->global_begin(),E = M->global_end(); 421d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines GV != E; ++GV) { 422d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MaxAlignment = std::max(MaxAlignment, GV->getAlignment()); 423d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MaxGlobalType = std::max(MaxGlobalType, VE.getTypeID(GV->getType())); 424d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (GV->hasSection()) { 425d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Give section names unique ID's. 426d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned &Entry = SectionMap[GV->getSection()]; 427d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!Entry) { 428d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, GV->getSection(), 429d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 430d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Entry = SectionMap.size(); 431d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 432d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 433d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 434d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) { 435d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MaxAlignment = std::max(MaxAlignment, F->getAlignment()); 436d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (F->hasSection()) { 437d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Give section names unique ID's. 438d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned &Entry = SectionMap[F->getSection()]; 439d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!Entry) { 440d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, F->getSection(), 441d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 442d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Entry = SectionMap.size(); 443d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 444d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 445d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (F->hasGC()) { 446d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Same for GC names. 447d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned &Entry = GCMap[F->getGC()]; 448d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!Entry) { 449d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_GCNAME, F->getGC(), 450d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 451d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Entry = GCMap.size(); 452d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 453d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 454d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 455d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 456d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit abbrev for globals, now that we know # sections and max alignment. 457d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned SimpleGVarAbbrev = 0; 458d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->global_empty()) { 459d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Add an abbrev for common globals with no visibility or thread localness. 460d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 461d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_GLOBALVAR)); 462d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 463d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(MaxGlobalType+1))); 464d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Constant. 465d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Initializer. 466d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // Linkage. 467d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (MaxAlignment == 0) // Alignment. 468d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 469d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else { 470d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MaxEncAlignment = Log2_32(MaxAlignment)+1; 471d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 472d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(MaxEncAlignment+1))); 473d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 474d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (SectionMap.empty()) // Section. 475d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 476d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 477d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 478d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(SectionMap.size()+1))); 479d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Don't bother emitting vis + thread local. 480d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SimpleGVarAbbrev = Stream.EmitAbbrev(Abbv); 481d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 482d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 483d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the global variable information. 484d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> Vals; 485d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_global_iterator GV = M->global_begin(),E = M->global_end(); 486d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines GV != E; ++GV) { 487d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 488d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 489d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // GLOBALVAR: [type, isconst, initid, 490d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // linkage, alignment, section, visibility, threadlocal, 491d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // unnamed_addr] 492d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(GV->getType())); 493d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GV->isConstant()); 494d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GV->isDeclaration() ? 0 : 495d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines (VE.getValueID(GV->getInitializer()) + 1)); 496d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedLinkage(GV)); 497d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(GV->getAlignment())+1); 498d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GV->hasSection() ? SectionMap[GV->getSection()] : 0); 499d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (GV->isThreadLocal() || 500d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines GV->getVisibility() != GlobalValue::DefaultVisibility || 501d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines GV->hasUnnamedAddr()) { 502d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedVisibility(GV)); 503d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedThreadLocalMode(GV)); 504d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GV->hasUnnamedAddr()); 505d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 506d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = SimpleGVarAbbrev; 507d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 508d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 509d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_GLOBALVAR, Vals, AbbrevToUse); 510d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 511d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 512d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 513d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the function proto information. 514d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) { 515d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment, 516d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // section, visibility, gc, unnamed_addr] 517d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(F->getType())); 518d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->getCallingConv()); 519d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->isDeclaration()); 520d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedLinkage(F)); 521d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getAttributeID(F->getAttributes())); 522d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(F->getAlignment())+1); 523d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->hasSection() ? SectionMap[F->getSection()] : 0); 524d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedVisibility(F)); 525d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->hasGC() ? GCMap[F->getGC()] : 0); 526d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->hasUnnamedAddr()); 527d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 528d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 529d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse); 530d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 531d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 532d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 533d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the alias information. 534d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_alias_iterator AI = M->alias_begin(), E = M->alias_end(); 535d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AI != E; ++AI) { 536d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // ALIAS: [alias type, aliasee val#, linkage, visibility] 537d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(AI->getType())); 538d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(AI->getAliasee())); 539d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedLinkage(AI)); 540d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedVisibility(AI)); 541d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 542d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_ALIAS, Vals, AbbrevToUse); 543d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 544d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 545d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 546d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 547d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic uint64_t GetOptimizationFlags(const Value *V) { 548d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t Flags = 0; 549d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 550d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (const OverflowingBinaryOperator *OBO = 551d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines dyn_cast<OverflowingBinaryOperator>(V)) { 552d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (OBO->hasNoSignedWrap()) 553d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Flags |= 1 << bitc::OBO_NO_SIGNED_WRAP; 554d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (OBO->hasNoUnsignedWrap()) 555d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Flags |= 1 << bitc::OBO_NO_UNSIGNED_WRAP; 556d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const PossiblyExactOperator *PEO = 557d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines dyn_cast<PossiblyExactOperator>(V)) { 558d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (PEO->isExact()) 559d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Flags |= 1 << bitc::PEO_EXACT; 560d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 561d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 562d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return Flags; 563d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 564d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 565d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteMDNode(const MDNode *N, 566d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 567d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream, 568d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> &Record) { 569d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 570d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (N->getOperand(i)) { 571d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(N->getOperand(i)->getType())); 572d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(N->getOperand(i))); 573d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 574d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(Type::getVoidTy(N->getContext()))); 575d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(0); 576d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 577d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 578d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MDCode = N->isFunctionLocal() ? bitc::METADATA_FN_NODE : 579d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bitc::METADATA_NODE; 580d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(MDCode, Record, 0); 581d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 582d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 583d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 584d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleMetadata(const Module *M, 585d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 586d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 587d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::ValueList &Vals = VE.getMDValues(); 588d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool StartedMetadataBlock = false; 589d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MDSAbbrev = 0; 590d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 591d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) { 592d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 593d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (const MDNode *N = dyn_cast<MDNode>(Vals[i].first)) { 594d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!N->isFunctionLocal() || !N->getFunction()) { 595d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!StartedMetadataBlock) { 596d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 597d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StartedMetadataBlock = true; 598d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 599d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteMDNode(N, VE, Stream, Record); 600d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 601d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const MDString *MDS = dyn_cast<MDString>(Vals[i].first)) { 602d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!StartedMetadataBlock) { 603d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 604d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 605d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for METADATA_STRING. 606d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 607d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_STRING)); 608d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 609d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 610d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MDSAbbrev = Stream.EmitAbbrev(Abbv); 611d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StartedMetadataBlock = true; 612d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 613d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 614d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Code: [strchar x N] 615d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.append(MDS->begin(), MDS->end()); 616d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 617d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 618d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_STRING, Record, MDSAbbrev); 619d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 620d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 621d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 622d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 623d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write named metadata. 624d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_named_metadata_iterator I = M->named_metadata_begin(), 625d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines E = M->named_metadata_end(); I != E; ++I) { 626d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const NamedMDNode *NMD = I; 627d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!StartedMetadataBlock) { 628d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 629d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StartedMetadataBlock = true; 630d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 631d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 632d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write name. 633d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StringRef Str = NMD->getName(); 634d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Str.size(); i != e; ++i) 635d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(Str[i]); 636d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_NAME, Record, 0/*TODO*/); 637d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 638d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 639d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write named metadata operands. 640d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) 641d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(NMD->getOperand(i))); 642d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0); 643d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 644d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 645d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 646d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (StartedMetadataBlock) 647d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 648d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 649d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 650d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteFunctionLocalMetadata(const Function &F, 651d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 652d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 653d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool StartedMetadataBlock = false; 654d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 655d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const SmallVector<const MDNode *, 8> &Vals = VE.getFunctionLocalMDValues(); 656d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) 657d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (const MDNode *N = Vals[i]) 658d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (N->isFunctionLocal() && N->getFunction() == &F) { 659d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!StartedMetadataBlock) { 660d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 661d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StartedMetadataBlock = true; 662d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 663d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteMDNode(N, VE, Stream, Record); 664d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 665d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 666d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (StartedMetadataBlock) 667d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 668d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 669d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 670d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteMetadataAttachment(const Function &F, 671d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 672d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 673d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3); 674d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 675d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 676d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 677d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write metadata attachments 678d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]] 679d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<std::pair<unsigned, MDNode*>, 4> MDs; 680d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 681d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 682d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 683d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) { 684d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MDs.clear(); 685d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I->getAllMetadataOtherThanDebugLoc(MDs); 686d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 687d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If no metadata, ignore instruction. 688d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (MDs.empty()) continue; 689d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 690d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getInstructionID(I)); 691d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 692d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = MDs.size(); i != e; ++i) { 693d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(MDs[i].first); 694d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(MDs[i].second)); 695d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 696d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0); 697d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 698d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 699d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 700d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 701d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 702d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 703d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleMetadataStore(const Module *M, BitstreamWriter &Stream) { 704d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 705d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 706d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write metadata kinds 707d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // METADATA_KIND - [n x [id, name]] 708d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<StringRef, 4> Names; 709d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines M->getMDKindNames(Names); 710d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 711d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Names.empty()) return; 712d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 713d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 714d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 715d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned MDKindID = 0, e = Names.size(); MDKindID != e; ++MDKindID) { 716d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(MDKindID); 717d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StringRef KName = Names[MDKindID]; 718d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.append(KName.begin(), KName.end()); 719d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 720d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_KIND, Record, 0); 721d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 722d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 723d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 724d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 725d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 726d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 727d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void EmitAPInt(SmallVectorImpl<uint64_t> &Vals, 728d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned &Code, unsigned &AbbrevToUse, const APInt &Val, 729d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool EmitSizeForWideNumbers = false 730d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ) { 731d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Val.getBitWidth() <= 64) { 732d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t V = Val.getSExtValue(); 733d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if ((int64_t)V >= 0) 734d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(V << 1); 735d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 736d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back((-V << 1) | 1); 737d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_INTEGER; 738d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CONSTANTS_INTEGER_ABBREV; 739d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 740d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Wide integers, > 64 bits in size. 741d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // We have an arbitrary precision integer value to write whose 742d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // bit width is > 64. However, in canonical unsigned integer 743d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // format it is likely that the high bits are going to be zero. 744d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // So, we only write the number of active words. 745d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned NWords = Val.getActiveWords(); 746d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 747d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (EmitSizeForWideNumbers) 748d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(NWords); 749d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 750d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const uint64_t *RawWords = Val.getRawData(); 751d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0; i != NWords; ++i) { 752d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines int64_t V = RawWords[i]; 753d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (V >= 0) 754d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(V << 1); 755d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 756d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back((-V << 1) | 1); 757d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 758d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_WIDE_INTEGER; 759d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 760d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 761d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 762d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteConstants(unsigned FirstVal, unsigned LastVal, 763d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 764d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream, bool isGlobal) { 765d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (FirstVal == LastVal) return; 766d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 767d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::CONSTANTS_BLOCK_ID, 4); 768d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 769d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AggregateAbbrev = 0; 770d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned String8Abbrev = 0; 771d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CString7Abbrev = 0; 772d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CString6Abbrev = 0; 773d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If this is a constant pool for the module, emit module-specific abbrevs. 774d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isGlobal) { 775d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_AGGREGATE. 776d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 777d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_AGGREGATE)); 778d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 779d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, Log2_32_Ceil(LastVal+1))); 780d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AggregateAbbrev = Stream.EmitAbbrev(Abbv); 781d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 782d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_STRING. 783d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 784d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_STRING)); 785d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 786d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 787d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines String8Abbrev = Stream.EmitAbbrev(Abbv); 788d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_CSTRING. 789d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 790d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 791d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 792d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 793d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CString7Abbrev = Stream.EmitAbbrev(Abbv); 794d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_CSTRING. 795d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 796d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 797d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 798d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 799d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CString6Abbrev = Stream.EmitAbbrev(Abbv); 800d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 801d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 802d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 803d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 804d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::ValueList &Vals = VE.getValues(); 805d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *LastTy = 0; 806d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = FirstVal; i != LastVal; ++i) { 807d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Value *V = Vals[i].first; 808d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If we need to switch types, do so now. 809d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (V->getType() != LastTy) { 810d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines LastTy = V->getType(); 811d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(LastTy)); 812d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::CST_CODE_SETTYPE, Record, 813d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_SETTYPE_ABBREV); 814d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 815d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 816d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 817d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) { 818d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(unsigned(IA->hasSideEffects()) | 819d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned(IA->isAlignStack()) << 1 | 820d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned(IA->getDialect()&1) << 2); 821d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 822d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Add the asm string. 823d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const std::string &AsmStr = IA->getAsmString(); 824d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(AsmStr.size()); 825d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = AsmStr.size(); i != e; ++i) 826d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(AsmStr[i]); 827d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 828d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Add the constraint string. 829d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const std::string &ConstraintStr = IA->getConstraintString(); 830d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(ConstraintStr.size()); 831d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = ConstraintStr.size(); i != e; ++i) 832d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(ConstraintStr[i]); 833d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::CST_CODE_INLINEASM, Record); 834d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 835d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines continue; 836d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 837d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Constant *C = cast<Constant>(V); 838d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code = -1U; 839d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 840d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (C->isNullValue()) { 841d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_NULL; 842d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (isa<UndefValue>(C)) { 843d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_UNDEF; 844d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) { 845d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines EmitAPInt(Record, Code, AbbrevToUse, IV->getValue()); 846d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C)) { 847d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_FLOAT; 848d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *Ty = CFP->getType(); 849d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Ty->isHalfTy() || Ty->isFloatTy() || Ty->isDoubleTy()) { 850d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(CFP->getValueAPF().bitcastToAPInt().getZExtValue()); 851d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (Ty->isX86_FP80Ty()) { 852d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // api needed to prevent premature destruction 853d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // bits are not in the same order as a normal i80 APInt, compensate. 854d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 855d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const uint64_t *p = api.getRawData(); 856d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back((p[1] << 48) | (p[0] >> 16)); 857d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(p[0] & 0xffffLL); 858d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (Ty->isFP128Ty() || Ty->isPPC_FP128Ty()) { 859d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 860d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const uint64_t *p = api.getRawData(); 861d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(p[0]); 862d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(p[1]); 863d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 864d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert (0 && "Unknown FP type!"); 865d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 866d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (isa<ConstantDataSequential>(C) && 867d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<ConstantDataSequential>(C)->isString()) { 868d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const ConstantDataSequential *Str = cast<ConstantDataSequential>(C); 869d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit constant strings specially. 870d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned NumElts = Str->getNumElements(); 871d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If this is a null-terminated string, use the denser CSTRING encoding. 872d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Str->isCString()) { 873d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CSTRING; 874d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines --NumElts; // Don't encode the null, which isn't allowed by char6. 875d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 876d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_STRING; 877d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = String8Abbrev; 878d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 879d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool isCStr7 = Code == bitc::CST_CODE_CSTRING; 880d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool isCStrChar6 = Code == bitc::CST_CODE_CSTRING; 881d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0; i != NumElts; ++i) { 882d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned char V = Str->getElementAsInteger(i); 883d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(V); 884d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isCStr7 &= (V & 128) == 0; 885d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isCStrChar6) 886d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isCStrChar6 = BitCodeAbbrevOp::isChar6(V); 887d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 888d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 889d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isCStrChar6) 890d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CString6Abbrev; 891d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (isCStr7) 892d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CString7Abbrev; 893d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantDataSequential *CDS = 894d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines dyn_cast<ConstantDataSequential>(C)) { 895d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_DATA; 896d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *EltTy = CDS->getType()->getElementType(); 897d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isa<IntegerType>(EltTy)) { 898d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) 899d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(CDS->getElementAsInteger(i)); 900d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (EltTy->isFloatTy()) { 901d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) { 902d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines union { float F; uint32_t I; }; 903d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines F = CDS->getElementAsFloat(i); 904d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(I); 905d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 906d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 907d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(EltTy->isDoubleTy() && "Unknown ConstantData element type"); 908d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) { 909d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines union { double F; uint64_t I; }; 910d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines F = CDS->getElementAsDouble(i); 911d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(I); 912d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 913d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 914d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (isa<ConstantArray>(C) || isa<ConstantStruct>(C) || 915d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isa<ConstantVector>(C)) { 916d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_AGGREGATE; 917d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i) 918d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 919d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = AggregateAbbrev; 920d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) { 921d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (CE->getOpcode()) { 922d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: 923d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Instruction::isCast(CE->getOpcode())) { 924d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_CAST; 925d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(GetEncodedCastOpcode(CE->getOpcode())); 926d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 927d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 928d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CONSTANTS_CE_CAST_Abbrev; 929d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 930d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(CE->getNumOperands() == 2 && "Unknown constant expr!"); 931d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_BINOP; 932d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(GetEncodedBinaryOpcode(CE->getOpcode())); 933d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 934d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 935d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t Flags = GetOptimizationFlags(CE); 936d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Flags != 0) 937d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(Flags); 938d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 939d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 940d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::GetElementPtr: 941d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_GEP; 942d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<GEPOperator>(C)->isInBounds()) 943d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_INBOUNDS_GEP; 944d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) { 945d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(i)->getType())); 946d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 947d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 948d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 949d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Select: 950d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_SELECT; 951d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 952d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 953d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 954d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 955d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ExtractElement: 956d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_EXTRACTELT; 957d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 958d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 959d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 960d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 961d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::InsertElement: 962d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_INSERTELT; 963d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 964d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 965d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 966d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 967d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ShuffleVector: 968d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the return type and argument types are the same, this is a 969d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // standard shufflevector instruction. If the types are different, 970d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // then the shuffle is widening or truncating the input vectors, and 971d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // the argument type must also be encoded. 972d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (C->getType() == C->getOperand(0)->getType()) { 973d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_SHUFFLEVEC; 974d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 975d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_SHUFVEC_EX; 976d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 977d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 978d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 979d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 980d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 981d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 982d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ICmp: 983d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FCmp: 984d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_CMP; 985d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 986d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 987d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 988d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(CE->getPredicate()); 989d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 990d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 991d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C)) { 992d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_BLOCKADDRESS; 993d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(BA->getFunction()->getType())); 994d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(BA->getFunction())); 995d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getGlobalBasicBlockID(BA->getBasicBlock())); 996d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 997d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#ifndef NDEBUG 998d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines C->dump(); 999d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#endif 1000d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unknown constant!"); 1001d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1002d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Record, AbbrevToUse); 1003d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 1004d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1005d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1006d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1007d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1008d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1009d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleConstants(const llvm_3_2::ValueEnumerator &VE, 1010d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1011d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::ValueList &Vals = VE.getValues(); 1012d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1013d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Find the first constant to emit, which is the first non-globalvalue value. 1014d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // We know globalvalues have been emitted by WriteModuleInfo. 1015d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) { 1016d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!isa<GlobalValue>(Vals[i].first)) { 1017d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteConstants(i, Vals.size(), VE, Stream, true); 1018d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return; 1019d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1020d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1021d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1022d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1023d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// PushValueAndType - The file has to encode both the value and type id for 1024d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// many values, because we need to know what type to create for forward 1025d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// references. However, most operands are not forward references, so this type 1026d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// field is not needed. 1027d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// 1028d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// This function adds V's value ID to Vals. If the value ID is higher than the 1029d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// instruction ID, then it is a forward reference, and it also includes the 1030d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// type ID. 1031d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic bool PushValueAndType(const Value *V, unsigned InstID, 1032d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> &Vals, 1033d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator &VE) { 1034d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned ValID = VE.getValueID(V); 1035d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(ValID); 1036d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (ValID >= InstID) { 1037d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(V->getType())); 1038d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return true; 1039d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1040d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return false; 1041d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1042d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1043d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteInstruction - Emit an instruction to the specified stream. 1044d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteInstruction(const Instruction &I, unsigned InstID, 1045d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator &VE, 1046d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream, 1047d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> &Vals) { 1048d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code = 0; 1049d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 1050d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.setInstructionID(&I); 1051d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (I.getOpcode()) { 1052d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: 1053d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Instruction::isCast(I.getOpcode())) { 1054d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CAST; 1055d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 1056d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_CAST_ABBREV; 1057d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 1058d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedCastOpcode(I.getOpcode())); 1059d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1060d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(isa<BinaryOperator>(I) && "Unknown instruction!"); 1061d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_BINOP; 1062d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 1063d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_ABBREV; 1064d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1065d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedBinaryOpcode(I.getOpcode())); 1066d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t Flags = GetOptimizationFlags(&I); 1067d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Flags != 0) { 1068d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (AbbrevToUse == FUNCTION_INST_BINOP_ABBREV) 1069d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_FLAGS_ABBREV; 1070d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Flags); 1071d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1072d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1073d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1074d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1075d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::GetElementPtr: 1076d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_GEP; 1077d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<GEPOperator>(&I)->isInBounds()) 1078d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INBOUNDS_GEP; 1079d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 1080d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 1081d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1082d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ExtractValue: { 1083d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTVAL; 1084d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1085d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const ExtractValueInst *EVI = cast<ExtractValueInst>(&I); 1086d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const unsigned *i = EVI->idx_begin(), *e = EVI->idx_end(); i != e; ++i) 1087d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(*i); 1088d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1089d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1090d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::InsertValue: { 1091d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INSERTVAL; 1092d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1093d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 1094d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const InsertValueInst *IVI = cast<InsertValueInst>(&I); 1095d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const unsigned *i = IVI->idx_begin(), *e = IVI->idx_end(); i != e; ++i) 1096d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(*i); 1097d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1098d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1099d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Select: 1100d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_VSELECT; 1101d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 1102d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 1103d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1104d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1105d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ExtractElement: 1106d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTELT; 1107d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1108d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1109d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1110d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::InsertElement: 1111d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INSERTELT; 1112d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1113d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1114d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 1115d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1116d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ShuffleVector: 1117d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_SHUFFLEVEC; 1118d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1119d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1120d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 1121d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1122d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ICmp: 1123d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FCmp: 1124d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // compare returning Int1Ty or vector of Int1Ty 1125d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CMP2; 1126d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1127d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1128d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<CmpInst>(I).getPredicate()); 1129d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1130d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1131d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Ret: 1132d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1133d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_RET; 1134d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned NumOperands = I.getNumOperands(); 1135d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (NumOperands == 0) 1136d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_RET_VOID_ABBREV; 1137d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (NumOperands == 1) { 1138d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 1139d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_RET_VAL_ABBREV; 1140d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1141d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = NumOperands; i != e; ++i) 1142d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 1143d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1144d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1145d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1146d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Br: 1147d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1148d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_BR; 1149d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BranchInst &II = cast<BranchInst>(I); 1150d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(0))); 1151d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (II.isConditional()) { 1152d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(1))); 1153d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II.getCondition())); 1154d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1155d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1156d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1157d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Switch: 1158d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1159d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Redefine Vals, since here we need to use 64 bit values 1160d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // explicitly to store large APInt numbers. 1161d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 128> Vals64; 1162d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1163d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_SWITCH; 1164d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SwitchInst &SI = cast<SwitchInst>(I); 1165d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1166d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint32_t SwitchRecordHeader = SI.hash() | (SWITCH_INST_MAGIC << 16); 1167d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(SwitchRecordHeader); 1168d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1169d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(VE.getTypeID(SI.getCondition()->getType())); 1170d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(VE.getValueID(SI.getCondition())); 1171d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(VE.getValueID(SI.getDefaultDest())); 1172d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(SI.getNumCases()); 1173d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (SwitchInst::CaseIt i = SI.case_begin(), e = SI.case_end(); 1174d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines i != e; ++i) { 1175d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines IntegersSubset& CaseRanges = i.getCaseValueEx(); 1176d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code, Abbrev; // will unused. 1177d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1178d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (CaseRanges.isSingleNumber()) { 1179d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(1/*NumItems = 1*/); 1180d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(true/*IsSingleNumber = true*/); 1181d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines EmitAPInt(Vals64, Code, Abbrev, CaseRanges.getSingleNumber(0), true); 1182d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1183d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1184d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(CaseRanges.getNumItems()); 1185d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1186d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (CaseRanges.isSingleNumbersOnly()) { 1187d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned ri = 0, rn = CaseRanges.getNumItems(); 1188d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ri != rn; ++ri) { 1189d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1190d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(true/*IsSingleNumber = true*/); 1191d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1192d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines EmitAPInt(Vals64, Code, Abbrev, 1193d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CaseRanges.getSingleNumber(ri), true); 1194d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1195d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else 1196d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned ri = 0, rn = CaseRanges.getNumItems(); 1197d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ri != rn; ++ri) { 1198d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines IntegersSubset::Range r = CaseRanges.getItem(ri); 1199d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool IsSingleNumber = CaseRanges.isSingleNumber(ri); 1200d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1201d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(IsSingleNumber); 1202d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1203d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines EmitAPInt(Vals64, Code, Abbrev, r.getLow(), true); 1204d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!IsSingleNumber) 1205d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines EmitAPInt(Vals64, Code, Abbrev, r.getHigh(), true); 1206d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1207d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1208d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals64.push_back(VE.getValueID(i.getCaseSuccessor())); 1209d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1210d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1211d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Vals64, AbbrevToUse); 1212d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1213d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Also do expected action - clear external Vals collection: 1214d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 1215d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return; 1216d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1217d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1218d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::IndirectBr: 1219d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INDIRECTBR; 1220d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 1221d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 1222d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); 1223d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1224d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1225d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Invoke: { 1226d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const InvokeInst *II = cast<InvokeInst>(&I); 1227d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Value *Callee(II->getCalledValue()); 1228d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PointerType *PTy = cast<PointerType>(Callee->getType()); 1229d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 1230d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INVOKE; 1231d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1232d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getAttributeID(II->getAttributes())); 1233d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(II->getCallingConv()); 1234d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II->getNormalDest())); 1235d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II->getUnwindDest())); 1236d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(Callee, InstID, Vals, VE); 1237d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1238d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit value #'s for the fixed parameters. 1239d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 1240d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); // fixed param. 1241d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1242d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit type/value pairs for varargs params. 1243d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (FTy->isVarArg()) { 1244d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = FTy->getNumParams(), e = I.getNumOperands()-3; 1245d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines i != e; ++i) 1246d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); // vararg 1247d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1248d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1249d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1250d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Resume: 1251d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_RESUME; 1252d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1253d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1254d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Unreachable: 1255d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_UNREACHABLE; 1256d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_UNREACHABLE_ABBREV; 1257d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1258d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1259d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::PHI: { 1260d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const PHINode &PN = cast<PHINode>(I); 1261d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_PHI; 1262d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(PN.getType())); 1263d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) { 1264d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingValue(i))); 1265d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingBlock(i))); 1266d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1267d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1268d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1269d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1270d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::LandingPad: { 1271d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const LandingPadInst &LP = cast<LandingPadInst>(I); 1272d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_LANDINGPAD; 1273d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(LP.getType())); 1274d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(LP.getPersonalityFn(), InstID, Vals, VE); 1275d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LP.isCleanup()); 1276d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LP.getNumClauses()); 1277d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned I = 0, E = LP.getNumClauses(); I != E; ++I) { 1278d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (LP.isCatch(I)) 1279d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LandingPadInst::Catch); 1280d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 1281d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LandingPadInst::Filter); 1282d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(LP.getClause(I), InstID, Vals, VE); 1283d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1284d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1285d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1286d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1287d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Alloca: 1288d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_ALLOCA; 1289d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 1290d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 1291d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // size. 1292d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(cast<AllocaInst>(I).getAlignment())+1); 1293d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1294d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1295d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Load: 1296d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<LoadInst>(I).isAtomic()) { 1297d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_LOADATOMIC; 1298d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1299d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1300d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_LOAD; 1301d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) // ptr 1302d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_LOAD_ABBREV; 1303d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1304d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(cast<LoadInst>(I).getAlignment())+1); 1305d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<LoadInst>(I).isVolatile()); 1306d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<LoadInst>(I).isAtomic()) { 1307d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<LoadInst>(I).getOrdering())); 1308d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope(cast<LoadInst>(I).getSynchScope())); 1309d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1310d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1311d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Store: 1312d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<StoreInst>(I).isAtomic()) 1313d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_STOREATOMIC; 1314d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 1315d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_STORE; 1316d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); // ptrty + ptr 1317d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // val. 1318d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); 1319d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<StoreInst>(I).isVolatile()); 1320d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<StoreInst>(I).isAtomic()) { 1321d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<StoreInst>(I).getOrdering())); 1322d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope(cast<StoreInst>(I).getSynchScope())); 1323d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1324d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1325d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::AtomicCmpXchg: 1326d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CMPXCHG; 1327d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 1328d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // cmp. 1329d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); // newval. 1330d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<AtomicCmpXchgInst>(I).isVolatile()); 1331d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering( 1332d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicCmpXchgInst>(I).getOrdering())); 1333d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope( 1334d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicCmpXchgInst>(I).getSynchScope())); 1335d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1336d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::AtomicRMW: 1337d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_ATOMICRMW; 1338d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 1339d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // val. 1340d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedRMWOperation( 1341d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicRMWInst>(I).getOperation())); 1342d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<AtomicRMWInst>(I).isVolatile()); 1343d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<AtomicRMWInst>(I).getOrdering())); 1344d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope( 1345d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicRMWInst>(I).getSynchScope())); 1346d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1347d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Fence: 1348d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_FENCE; 1349d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<FenceInst>(I).getOrdering())); 1350d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope(cast<FenceInst>(I).getSynchScope())); 1351d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1352d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Call: { 1353d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const CallInst &CI = cast<CallInst>(I); 1354d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PointerType *PTy = cast<PointerType>(CI.getCalledValue()->getType()); 1355d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 1356d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1357d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CALL; 1358d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1359d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getAttributeID(CI.getAttributes())); 1360d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back((CI.getCallingConv() << 1) | unsigned(CI.isTailCall())); 1361d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(CI.getCalledValue(), InstID, Vals, VE); // Callee 1362d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1363d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit value #'s for the fixed parameters. 1364d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 1365d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(CI.getArgOperand(i))); // fixed param. 1366d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1367d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit type/value pairs for varargs params. 1368d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (FTy->isVarArg()) { 1369d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = FTy->getNumParams(), e = CI.getNumArgOperands(); 1370d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines i != e; ++i) 1371d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(CI.getArgOperand(i), InstID, Vals, VE); // varargs 1372d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1373d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1374d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1375d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::VAArg: 1376d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_VAARG; 1377d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); // valistty 1378d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // valist. 1379d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getType())); // restype. 1380d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1381d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1382d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1383d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 1384d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 1385d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1386d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1387d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit names for globals/functions etc. 1388d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteValueSymbolTable(const ValueSymbolTable &VST, 1389d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 1390d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1391d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (VST.empty()) return; 1392d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 4); 1393d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1394d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FIXME: Set up the abbrev, we know how many values there are! 1395d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FIXME: We know if the type names can use 7-bit ascii. 1396d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> NameVals; 1397d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1398d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (ValueSymbolTable::const_iterator SI = VST.begin(), SE = VST.end(); 1399d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SI != SE; ++SI) { 1400d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1401d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const ValueName &Name = *SI; 1402d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1403d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Figure out the encoding to use for the name. 1404d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool is7Bit = true; 1405d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool isChar6 = true; 1406d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const char *C = Name.getKeyData(), *E = C+Name.getKeyLength(); 1407d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines C != E; ++C) { 1408d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isChar6) 1409d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isChar6 = BitCodeAbbrevOp::isChar6(*C); 1410d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if ((unsigned char)*C & 128) { 1411d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines is7Bit = false; 1412d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; // don't bother scanning the rest. 1413d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1414d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1415d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1416d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = VST_ENTRY_8_ABBREV; 1417d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1418d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VST_ENTRY: [valueid, namechar x N] 1419d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VST_BBENTRY: [bbid, namechar x N] 1420d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code; 1421d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isa<BasicBlock>(SI->getValue())) { 1422d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::VST_CODE_BBENTRY; 1423d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isChar6) 1424d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = VST_BBENTRY_6_ABBREV; 1425d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1426d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::VST_CODE_ENTRY; 1427d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isChar6) 1428d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = VST_ENTRY_6_ABBREV; 1429d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (is7Bit) 1430d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = VST_ENTRY_7_ABBREV; 1431d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1432d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1433d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NameVals.push_back(VE.getValueID(SI->getValue())); 1434d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const char *P = Name.getKeyData(), 1435d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines *E = Name.getKeyData()+Name.getKeyLength(); P != E; ++P) 1436d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NameVals.push_back((unsigned char)*P); 1437d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1438d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 1439d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, NameVals, AbbrevToUse); 1440d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NameVals.clear(); 1441d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1442d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1443d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1444d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1445d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteFunction - Emit a function body to the module stream. 1446d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteFunction(const Function &F, llvm_3_2::ValueEnumerator &VE, 1447d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1448d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::FUNCTION_BLOCK_ID, 4); 1449d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.incorporateFunction(F); 1450d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1451d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> Vals; 1452d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1453d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the number of basic blocks, so the reader can create them ahead of 1454d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // time. 1455d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getBasicBlocks().size()); 1456d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DECLAREBLOCKS, Vals); 1457d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 1458d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1459d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If there are function-local constants, emit them now. 1460d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CstStart, CstEnd; 1461d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.getFunctionConstantRange(CstStart, CstEnd); 1462d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteConstants(CstStart, CstEnd, VE, Stream, false); 1463d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1464d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If there is function-local metadata, emit it now. 1465d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteFunctionLocalMetadata(F, VE, Stream); 1466d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1467d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Keep a running idea of what the instruction ID is. 1468d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned InstID = CstEnd; 1469d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1470d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool NeedsMetadataAttachment = false; 1471d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1472d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DebugLoc LastDL; 1473d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1474d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Finally, emit all the instructions, in order. 1475d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 1476d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 1477d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) { 1478d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInstruction(*I, InstID, VE, Stream, Vals); 1479d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1480d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!I->getType()->isVoidTy()) 1481d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ++InstID; 1482d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1483d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the instruction has metadata, write a metadata attachment later. 1484d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NeedsMetadataAttachment |= I->hasMetadataOtherThanDebugLoc(); 1485d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1486d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the instruction has a debug location, emit it. 1487d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DebugLoc DL = I->getDebugLoc(); 1488d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (DL.isUnknown()) { 1489d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // nothing todo. 1490d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (DL == LastDL) { 1491d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Just repeat the same debug loc as last time. 1492d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC_AGAIN, Vals); 1493d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1494d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MDNode *Scope, *IA; 1495d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DL.getScopeAndInlinedAt(Scope, IA, I->getContext()); 1496d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1497d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(DL.getLine()); 1498d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(DL.getCol()); 1499d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Scope ? VE.getValueID(Scope)+1 : 0); 1500d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(IA ? VE.getValueID(IA)+1 : 0); 1501d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals); 1502d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 1503d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1504d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines LastDL = DL; 1505d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1506d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1507d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1508d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit names for all the instructions etc. 1509d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteValueSymbolTable(F.getValueSymbolTable(), VE, Stream); 1510d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1511d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (NeedsMetadataAttachment) 1512d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteMetadataAttachment(F, VE, Stream); 1513d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.purgeFunction(); 1514d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1515d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1516d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1517d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit blockinfo, which defines the standard abbreviations etc. 1518d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteBlockInfo(const llvm_3_2::ValueEnumerator &VE, 1519d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1520d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // We only want to emit block info records for blocks that have multiple 1521d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. Other 1522d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // blocks can defined their abbrevs inline. 1523d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterBlockInfoBlock(2); 1524d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1525d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 8-bit fixed-width VST_ENTRY/VST_BBENTRY strings. 1526d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1527d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); 1528d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1529d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1530d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 1531d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1532d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_ENTRY_8_ABBREV) 1533d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1534d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1535d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1536d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 7-bit fixed width VST_ENTRY strings. 1537d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1538d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 1539d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1540d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1541d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 1542d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1543d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_ENTRY_7_ABBREV) 1544d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1545d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1546d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 6-bit char6 VST_ENTRY strings. 1547d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1548d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 1549d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1550d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1551d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 1552d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1553d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_ENTRY_6_ABBREV) 1554d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1555d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1556d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 6-bit char6 VST_BBENTRY strings. 1557d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1558d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_BBENTRY)); 1559d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1560d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1561d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 1562d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1563d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_BBENTRY_6_ABBREV) 1564d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1565d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1566d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1567d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1568d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1569d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // SETTYPE abbrev for CONSTANTS_BLOCK. 1570d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1571d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_SETTYPE)); 1572d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1573d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 1574d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1575d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_SETTYPE_ABBREV) 1576d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1577d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1578d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1579d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INTEGER abbrev for CONSTANTS_BLOCK. 1580d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1581d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_INTEGER)); 1582d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1583d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1584d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_INTEGER_ABBREV) 1585d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1586d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1587d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1588d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // CE_CAST abbrev for CONSTANTS_BLOCK. 1589d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1590d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CE_CAST)); 1591d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // cast opc 1592d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // typeid 1593d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 1594d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id 1595d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1596d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1597d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_CE_CAST_Abbrev) 1598d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1599d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1600d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // NULL abbrev for CONSTANTS_BLOCK. 1601d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1602d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_NULL)); 1603d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1604d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_NULL_Abbrev) 1605d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1606d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1607d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1608d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FIXME: This should only use space for first class types! 1609d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1610d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_LOAD abbrev for FUNCTION_BLOCK. 1611d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1612d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_LOAD)); 1613d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Ptr 1614d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // Align 1615d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // volatile 1616d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1617d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_LOAD_ABBREV) 1618d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1619d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1620d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_BINOP abbrev for FUNCTION_BLOCK. 1621d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1622d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 1623d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 1624d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 1625d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 1626d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1627d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_BINOP_ABBREV) 1628d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1629d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1630d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_BINOP_FLAGS abbrev for FUNCTION_BLOCK. 1631d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1632d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 1633d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 1634d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 1635d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 1636d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); // flags 1637d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1638d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_BINOP_FLAGS_ABBREV) 1639d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1640d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1641d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_CAST abbrev for FUNCTION_BLOCK. 1642d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1643d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_CAST)); 1644d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpVal 1645d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty 1646d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 1647d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 1648d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1649d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_CAST_ABBREV) 1650d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1651d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1652d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1653d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 1654d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1655d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 1656d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1657d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_RET_VOID_ABBREV) 1658d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1659d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1660d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 1661d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1662d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 1663d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ValID 1664d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1665d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_RET_VAL_ABBREV) 1666d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1667d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1668d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_UNREACHABLE abbrev for FUNCTION_BLOCK. 1669d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1670d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_UNREACHABLE)); 1671d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1672d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_UNREACHABLE_ABBREV) 1673d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1674d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1675d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1676d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1677d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1678d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1679d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Sort the Users based on the order in which the reader parses the bitcode 1680d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// file. 1681d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic bool bitcodereader_order(const User *lhs, const User *rhs) { 1682d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // TODO: Implement. 1683d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return true; 1684d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1685d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1686d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteUseList(const Value *V, const llvm_3_2::ValueEnumerator &VE, 1687d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1688d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1689d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // One or zero uses can't get out of order. 1690d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (V->use_empty() || V->hasNUses(1)) 1691d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return; 1692d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1693d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Make a copy of the in-memory use-list for sorting. 1694d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned UseListSize = std::distance(V->use_begin(), V->use_end()); 1695d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<const User*, 8> UseList; 1696d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines UseList.reserve(UseListSize); 1697d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Value::const_use_iterator I = V->use_begin(), E = V->use_end(); 1698d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) { 1699d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const User *U = *I; 1700d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines UseList.push_back(U); 1701d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1702d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1703d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Sort the copy based on the order read by the BitcodeReader. 1704d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines std::sort(UseList.begin(), UseList.end(), bitcodereader_order); 1705d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1706d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // TODO: Generate a diff between the BitcodeWriter in-memory use-list and the 1707d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // sorted list (i.e., the expected BitcodeReader in-memory use-list). 1708d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1709d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // TODO: Emit the USELIST_CODE_ENTRYs. 1710d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1711d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1712d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteFunctionUseList(const Function *F, 1713d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator &VE, 1714d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1715d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.incorporateFunction(*F); 1716d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1717d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end(); 1718d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AI != AE; ++AI) 1719d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(AI, VE, Stream); 1720d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_iterator BB = F->begin(), FE = F->end(); BB != FE; 1721d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ++BB) { 1722d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(BB, VE, Stream); 1723d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (BasicBlock::const_iterator II = BB->begin(), IE = BB->end(); II != IE; 1724d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ++II) { 1725d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(II, VE, Stream); 1726d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (User::const_op_iterator OI = II->op_begin(), E = II->op_end(); 1727d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines OI != E; ++OI) { 1728d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if ((isa<Constant>(*OI) && !isa<GlobalValue>(*OI)) || 1729d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isa<InlineAsm>(*OI)) 1730d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(*OI, VE, Stream); 1731d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1732d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1733d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1734d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.purgeFunction(); 1735d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1736d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1737d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit use-lists. 1738d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleUseLists(const Module *M, llvm_3_2::ValueEnumerator &VE, 1739d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1740d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::USELIST_BLOCK_ID, 3); 1741d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1742d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // XXX: this modifies the module, but in a way that should never change the 1743d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // behavior of any pass or codegen in LLVM. The problem is that GVs may 1744d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // contain entries in the use_list that do not exist in the Module and are 1745d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // not stored in the .bc file. 1746d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_global_iterator I = M->global_begin(), E = M->global_end(); 1747d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) 1748d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I->removeDeadConstantUsers(); 1749d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1750d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the global variables. 1751d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_global_iterator GI = M->global_begin(), 1752d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines GE = M->global_end(); GI != GE; ++GI) { 1753d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(GI, VE, Stream); 1754d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1755d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the global variable initializers. 1756d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (GI->hasInitializer()) 1757d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(GI->getInitializer(), VE, Stream); 1758d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1759d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1760d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the functions. 1761d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_iterator FI = M->begin(), FE = M->end(); FI != FE; ++FI) { 1762d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(FI, VE, Stream); 1763d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!FI->isDeclaration()) 1764d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteFunctionUseList(FI, VE, Stream); 1765d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1766d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1767d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the aliases. 1768d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_alias_iterator AI = M->alias_begin(), AE = M->alias_end(); 1769d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AI != AE; ++AI) { 1770d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(AI, VE, Stream); 1771d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(AI->getAliasee(), VE, Stream); 1772d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1773d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1774d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1775d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1776d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1777d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteModule - Emit the specified module to the bitstream. 1778d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModule(const Module *M, BitstreamWriter &Stream) { 1779d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); 1780d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1781d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the version number if it is non-zero. 1782d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (CurVersion) { 1783d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 1> Vals; 1784d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(CurVersion); 1785d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_VERSION, Vals); 1786d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1787d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1788d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Analyze the module, enumerating globals, functions, etc. 1789d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator VE(M); 1790d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1791d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit blockinfo, which defines the standard abbreviations etc. 1792d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteBlockInfo(VE, Stream); 1793d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1794d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit information about parameter attributes. 1795d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteAttributeTable(VE, Stream); 1796d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1797d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit information describing all of the types in the module. 1798d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteTypeTable(VE, Stream); 1799d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1800d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit top-level description of module, including target triple, inline asm, 1801d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // descriptors for global variables, and function prototype info. 1802d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleInfo(M, VE, Stream); 1803d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1804d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit constants. 1805d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleConstants(VE, Stream); 1806d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1807d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit metadata. 1808d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleMetadata(M, VE, Stream); 1809d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1810d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit metadata. 1811d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleMetadataStore(M, Stream); 1812d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1813d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit names for globals/functions etc. 1814d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteValueSymbolTable(M->getValueSymbolTable(), VE, Stream); 1815d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1816d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit use-lists. 1817d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (EnablePreserveUseListOrdering) 1818d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleUseLists(M, VE, Stream); 1819d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1820d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit function bodies. 1821d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) 1822d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!F->isDeclaration()) 1823d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteFunction(*F, VE, Stream); 1824d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1825d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1826d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1827d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1828d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// EmitDarwinBCHeader - If generating a bc file on darwin, we have to emit a 1829d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// header and trailer to make it compatible with the system archiver. To do 1830d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// this we emit the following header, and then emit a trailer that pads the 1831d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// file out to be a multiple of 16 bytes. 1832d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// 1833d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// struct bc_header { 1834d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t Magic; // 0x0B17C0DE 1835d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t Version; // Version, currently always 0. 1836d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t BitcodeOffset; // Offset to traditional bitcode file. 1837d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t BitcodeSize; // Size of traditional bitcode file. 1838d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t CPUType; // CPU specifier. 1839d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// ... potentially more later ... 1840d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// }; 1841d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesenum { 1842d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DarwinBCSizeFieldOffset = 3*4, // Offset to bitcode_size. 1843d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DarwinBCHeaderSize = 5*4 1844d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines}; 1845d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1846d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteInt32ToBuffer(uint32_t Value, SmallVectorImpl<char> &Buffer, 1847d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint32_t &Position) { 1848d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 0] = (unsigned char) (Value >> 0); 1849d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 1] = (unsigned char) (Value >> 8); 1850d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 2] = (unsigned char) (Value >> 16); 1851d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 3] = (unsigned char) (Value >> 24); 1852d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Position += 4; 1853d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1854d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1855d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void EmitDarwinBCHeaderAndTrailer(SmallVectorImpl<char> &Buffer, 1856d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Triple &TT) { 1857d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CPUType = ~0U; 1858d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1859d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Match x86_64-*, i[3-9]86-*, powerpc-*, powerpc64-*, arm-*, thumb-*, 1860d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // armv[0-9]-*, thumbv[0-9]-*, armv5te-*, or armv6t2-*. The CPUType is a magic 1861d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // number from /usr/include/mach/machine.h. It is ok to reproduce the 1862d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // specific constants here because they are implicitly part of the Darwin ABI. 1863d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines enum { 1864d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_ARCH_ABI64 = 0x01000000, 1865d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_TYPE_X86 = 7, 1866d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_TYPE_ARM = 12, 1867d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_TYPE_POWERPC = 18 1868d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines }; 1869d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1870d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Triple::ArchType Arch = TT.getArch(); 1871d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Arch == Triple::x86_64) 1872d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_X86 | DARWIN_CPU_ARCH_ABI64; 1873d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::x86) 1874d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_X86; 1875d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::ppc) 1876d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC; 1877d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::ppc64) 1878d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC | DARWIN_CPU_ARCH_ABI64; 1879d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::arm || Arch == Triple::thumb) 1880d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_ARM; 1881d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1882d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Traditional Bitcode starts after header. 1883d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(Buffer.size() >= DarwinBCHeaderSize && 1884d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines "Expected header size to be reserved"); 1885d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned BCOffset = DarwinBCHeaderSize; 1886d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned BCSize = Buffer.size()-DarwinBCHeaderSize; 1887d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1888d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the magic and version. 1889d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Position = 0; 1890d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(0x0B17C0DE , Buffer, Position); 1891d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(0 , Buffer, Position); // Version. 1892d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(BCOffset , Buffer, Position); 1893d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(BCSize , Buffer, Position); 1894d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(CPUType , Buffer, Position); 1895d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1896d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the file is not a multiple of 16 bytes, insert dummy padding. 1897d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines while (Buffer.size() & 15) 1898d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer.push_back(0); 1899d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1900d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1901d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteBitcodeToFile - Write the specified module to the specified output 1902d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// stream. 1903d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesvoid llvm_3_2::WriteBitcodeToFile(const Module *M, raw_ostream &Out) { 1904d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<char, 1024> Buffer; 1905d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer.reserve(256*1024); 1906d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1907d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If this is darwin or another generic macho target, reserve space for the 1908d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // header. 1909d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Triple TT(M->getTargetTriple()); 1910d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (TT.isOSDarwin()) 1911d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer.insert(Buffer.begin(), DarwinBCHeaderSize, 0); 1912d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1913d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the module into the buffer. 1914d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1915d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter Stream(Buffer); 1916d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1917d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the file header. 1918d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit((unsigned)'B', 8); 1919d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit((unsigned)'C', 8); 1920d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0x0, 4); 1921d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0xC, 4); 1922d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0xE, 4); 1923d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0xD, 4); 1924d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1925d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the module. 1926d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModule(M, Stream); 1927d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1928d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1929d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (TT.isOSDarwin()) 1930d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines EmitDarwinBCHeaderAndTrailer(Buffer, TT); 1931d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1932d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the generated bitstream to "Out". 1933d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Out.write((char*)&Buffer.front(), Buffer.size()); 1934d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1935