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" 158bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines#include "legacy_bitcode.h" 16d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "ValueEnumerator.h" 17d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/ADT/Triple.h" 1823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/Bitcode/BitstreamWriter.h" 1923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/Bitcode/LLVMBitCodes.h" 2023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Constants.h" 2123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/DerivedTypes.h" 2223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/InlineAsm.h" 2323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Instructions.h" 2423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Module.h" 2523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Operator.h" 2623c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/ValueSymbolTable.h" 27d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/CommandLine.h" 28d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/ErrorHandling.h" 29d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/MathExtras.h" 30d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/Program.h" 3123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/Support/raw_ostream.h" 32d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include <cctype> 33d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include <map> 34d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesusing namespace llvm; 35d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 3670e8843d4a96624adce4ba3de0fcedd8483b0877Tobias Grosserstatic bool EnablePreserveUseListOrdering = false; 37d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 38d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// These are manifest constants used by the bitcode writer. They do not need to 39d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// be kept in sync with the reader, but need to be consistent within this file. 40d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesenum { 41d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CurVersion = 0, 42d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 43d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VALUE_SYMTAB_BLOCK abbrev id's. 44d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_ENTRY_8_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 45d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_ENTRY_7_ABBREV, 46d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_ENTRY_6_ABBREV, 47d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_BBENTRY_6_ABBREV, 48d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 49d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // CONSTANTS_BLOCK abbrev id's. 50d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_SETTYPE_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 51d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_INTEGER_ABBREV, 52d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_CE_CAST_Abbrev, 53d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_NULL_Abbrev, 54d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 55d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FUNCTION_BLOCK abbrev id's. 56d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_LOAD_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 57d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_BINOP_ABBREV, 58d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_BINOP_FLAGS_ABBREV, 59d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_CAST_ABBREV, 60d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_RET_VOID_ABBREV, 61d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_RET_VAL_ABBREV, 62d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_UNREACHABLE_ABBREV, 6323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 64d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // SwitchInst Magic 65d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SWITCH_INST_MAGIC = 0x4B5 // May 2012 => 1205 => Hex 66d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines}; 67d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 68d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedCastOpcode(unsigned Opcode) { 69d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Opcode) { 70d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown cast instruction!"); 71d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Trunc : return bitc::CAST_TRUNC; 72d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ZExt : return bitc::CAST_ZEXT; 73d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SExt : return bitc::CAST_SEXT; 74d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPToUI : return bitc::CAST_FPTOUI; 75d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPToSI : return bitc::CAST_FPTOSI; 76d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::UIToFP : return bitc::CAST_UITOFP; 77d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SIToFP : return bitc::CAST_SITOFP; 78d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPTrunc : return bitc::CAST_FPTRUNC; 79d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPExt : return bitc::CAST_FPEXT; 80d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::PtrToInt: return bitc::CAST_PTRTOINT; 81d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::IntToPtr: return bitc::CAST_INTTOPTR; 82d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::BitCast : return bitc::CAST_BITCAST; 83d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 84d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 85d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 86d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedBinaryOpcode(unsigned Opcode) { 87d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Opcode) { 88d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown binary instruction!"); 89d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Add: 90d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FAdd: return bitc::BINOP_ADD; 91d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Sub: 92d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FSub: return bitc::BINOP_SUB; 93d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Mul: 94d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FMul: return bitc::BINOP_MUL; 95d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::UDiv: return bitc::BINOP_UDIV; 96d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FDiv: 97d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SDiv: return bitc::BINOP_SDIV; 98d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::URem: return bitc::BINOP_UREM; 99d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FRem: 100d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SRem: return bitc::BINOP_SREM; 101d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Shl: return bitc::BINOP_SHL; 102d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::LShr: return bitc::BINOP_LSHR; 103d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::AShr: return bitc::BINOP_ASHR; 104d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::And: return bitc::BINOP_AND; 105d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Or: return bitc::BINOP_OR; 106d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Xor: return bitc::BINOP_XOR; 107d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 108d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 109d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 110d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedRMWOperation(AtomicRMWInst::BinOp Op) { 111d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Op) { 112d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown RMW operation!"); 113d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Xchg: return bitc::RMW_XCHG; 114d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Add: return bitc::RMW_ADD; 115d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Sub: return bitc::RMW_SUB; 116d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::And: return bitc::RMW_AND; 117d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Nand: return bitc::RMW_NAND; 118d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Or: return bitc::RMW_OR; 119d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Xor: return bitc::RMW_XOR; 120d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Max: return bitc::RMW_MAX; 121d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Min: return bitc::RMW_MIN; 122d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::UMax: return bitc::RMW_UMAX; 123d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::UMin: return bitc::RMW_UMIN; 124d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 125d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 126d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 127d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedOrdering(AtomicOrdering Ordering) { 128d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Ordering) { 129d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case NotAtomic: return bitc::ORDERING_NOTATOMIC; 130d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Unordered: return bitc::ORDERING_UNORDERED; 131d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Monotonic: return bitc::ORDERING_MONOTONIC; 132d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Acquire: return bitc::ORDERING_ACQUIRE; 133d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Release: return bitc::ORDERING_RELEASE; 134d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AcquireRelease: return bitc::ORDERING_ACQREL; 135d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case SequentiallyConsistent: return bitc::ORDERING_SEQCST; 136d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 137d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid ordering"); 138d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 139d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 140d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedSynchScope(SynchronizationScope SynchScope) { 141d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (SynchScope) { 142d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case SingleThread: return bitc::SYNCHSCOPE_SINGLETHREAD; 143d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case CrossThread: return bitc::SYNCHSCOPE_CROSSTHREAD; 144d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 145d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid synch scope"); 146d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 147d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 148d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteStringRecord(unsigned Code, StringRef Str, 149d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse, BitstreamWriter &Stream) { 150d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> Vals; 151d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 152d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Code: [strchar x N] 153d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Str.size(); i != e; ++i) { 154d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (AbbrevToUse && !BitCodeAbbrevOp::isChar6(Str[i])) 155d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = 0; 156d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Str[i]); 157d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 158d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 159d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 160d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 161d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 162d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 163d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit information about parameter attributes. 164d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteAttributeTable(const llvm_3_2::ValueEnumerator &VE, 165d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 16623c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines const std::vector<AttributeSet> &Attrs = VE.getAttributes(); 167d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Attrs.empty()) return; 168d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 169d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::PARAMATTR_BLOCK_ID, 3); 170d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 171d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 172d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Attrs.size(); i != e; ++i) { 17323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines const AttributeSet &A = Attrs[i]; 1748bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) { 1758bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines Record.push_back(A.getSlotIndex(i)); 1768bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines Record.push_back(encodeLLVMAttributesForBitcode(A, A.getSlotIndex(i))); 1778bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines } 178d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1798bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines // This needs to use the 3.2 entry type 1808bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines Stream.EmitRecord(bitc::PARAMATTR_CODE_ENTRY_OLD, Record); 181d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 182d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 183d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 184d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 185d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 186d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 187d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteTypeTable - Write out the type table for a module. 188d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteTypeTable(const llvm_3_2::ValueEnumerator &VE, 189d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 190d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::TypeList &TypeList = VE.getTypes(); 191d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 192d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::TYPE_BLOCK_ID_NEW, 4 /*count from # abbrevs */); 193d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> TypeVals; 194d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 195d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t NumBits = Log2_32_Ceil(VE.getTypes().size()+1); 196d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 197d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_POINTER. 198d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 199d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_POINTER)); 200d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 201d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); // Addrspace = 0 202d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned PtrAbbrev = Stream.EmitAbbrev(Abbv); 203d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 204d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_FUNCTION. 205d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 206d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_FUNCTION)); 207d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isvararg 208d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 209d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 210d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 211d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned FunctionAbbrev = Stream.EmitAbbrev(Abbv); 212d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 213d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_STRUCT_ANON. 214d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 215d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_ANON)); 216d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 217d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 218d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 219d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 220d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned StructAnonAbbrev = Stream.EmitAbbrev(Abbv); 221d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 222d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAME. 223d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 224d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAME)); 225d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 226d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 227d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned StructNameAbbrev = Stream.EmitAbbrev(Abbv); 228d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 229d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAMED. 230d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 231d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAMED)); 232d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 233d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 234d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 235d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 236d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned StructNamedAbbrev = Stream.EmitAbbrev(Abbv); 23723c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 238d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_ARRAY. 239d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 240d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_ARRAY)); 241d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // size 242d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 243d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 244d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned ArrayAbbrev = Stream.EmitAbbrev(Abbv); 245d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 246d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit an entry count so the reader can reserve space. 247d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(TypeList.size()); 248d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::TYPE_CODE_NUMENTRY, TypeVals); 249d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.clear(); 250d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 251d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Loop over all of the types, emitting each in turn. 252d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = TypeList.size(); i != e; ++i) { 253d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *T = TypeList[i]; 254d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines int AbbrevToUse = 0; 255d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code = 0; 256d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 257d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (T->getTypeID()) { 258d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown type!"); 2590da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::VoidTyID: Code = bitc::TYPE_CODE_VOID; break; 2600da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::HalfTyID: Code = bitc::TYPE_CODE_HALF; break; 2610da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::FloatTyID: Code = bitc::TYPE_CODE_FLOAT; break; 2620da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::DoubleTyID: Code = bitc::TYPE_CODE_DOUBLE; break; 2630da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::X86_FP80TyID: Code = bitc::TYPE_CODE_X86_FP80; break; 2640da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::FP128TyID: Code = bitc::TYPE_CODE_FP128; break; 265d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::PPC_FP128TyID: Code = bitc::TYPE_CODE_PPC_FP128; break; 2660da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::LabelTyID: Code = bitc::TYPE_CODE_LABEL; break; 2670da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::MetadataTyID: Code = bitc::TYPE_CODE_METADATA; break; 2680da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::X86_MMXTyID: Code = bitc::TYPE_CODE_X86_MMX; break; 269d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::IntegerTyID: 270d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // INTEGER: [width] 271d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_INTEGER; 272d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(cast<IntegerType>(T)->getBitWidth()); 273d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 274d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::PointerTyID: { 275d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PointerType *PTy = cast<PointerType>(T); 276d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // POINTER: [pointee type, address space] 277d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_POINTER; 278d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(PTy->getElementType())); 279d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AddressSpace = PTy->getAddressSpace(); 280d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(AddressSpace); 281d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (AddressSpace == 0) AbbrevToUse = PtrAbbrev; 282d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 283d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 284d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::FunctionTyID: { 285d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FunctionType *FT = cast<FunctionType>(T); 286d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FUNCTION: [isvararg, retty, paramty x N] 287d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_FUNCTION; 288d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(FT->isVarArg()); 289d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(FT->getReturnType())); 290d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) 291d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(FT->getParamType(i))); 292d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FunctionAbbrev; 293d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 294d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 295d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::StructTyID: { 296d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StructType *ST = cast<StructType>(T); 297d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // STRUCT: [ispacked, eltty x N] 298d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(ST->isPacked()); 299d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Output all of the element types. 300d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (StructType::element_iterator I = ST->element_begin(), 301d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines E = ST->element_end(); I != E; ++I) 302d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(*I)); 30323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 304d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (ST->isLiteral()) { 305d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_STRUCT_ANON; 306d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = StructAnonAbbrev; 307d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 308d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (ST->isOpaque()) { 309d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_OPAQUE; 310d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 311d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_STRUCT_NAMED; 312d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = StructNamedAbbrev; 313d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 314d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 315d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the name if it is present. 316d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!ST->getName().empty()) 317d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::TYPE_CODE_STRUCT_NAME, ST->getName(), 318d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StructNameAbbrev, Stream); 319d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 320d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 321d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 322d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::ArrayTyID: { 323d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ArrayType *AT = cast<ArrayType>(T); 324d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // ARRAY: [numelts, eltty] 325d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_ARRAY; 326d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(AT->getNumElements()); 327d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(AT->getElementType())); 328d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = ArrayAbbrev; 329d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 330d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 331d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::VectorTyID: { 332d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VectorType *VT = cast<VectorType>(T); 333d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VECTOR [numelts, eltty] 334d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_VECTOR; 335d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VT->getNumElements()); 336d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(VT->getElementType())); 337d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 338d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 339d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 340d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 341d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 342d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, TypeVals, AbbrevToUse); 343d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.clear(); 344d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 345d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 346d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 347d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 348d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 349d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned getEncodedLinkage(const GlobalValue *GV) { 350d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (GV->getLinkage()) { 351d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::ExternalLinkage: return 0; 352d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::WeakAnyLinkage: return 1; 353d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::AppendingLinkage: return 2; 354d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::InternalLinkage: return 3; 355d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::LinkOnceAnyLinkage: return 4; 356d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::ExternalWeakLinkage: return 7; 357d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::CommonLinkage: return 8; 358d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::PrivateLinkage: return 9; 359d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::WeakODRLinkage: return 10; 360d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::LinkOnceODRLinkage: return 11; 361d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::AvailableExternallyLinkage: return 12; 362d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 363d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid linkage"); 364d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 365d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 366d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned getEncodedVisibility(const GlobalValue *GV) { 367d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (GV->getVisibility()) { 368d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::DefaultVisibility: return 0; 369d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::HiddenVisibility: return 1; 370d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::ProtectedVisibility: return 2; 371d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 372d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid visibility"); 373d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 374d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 375d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned getEncodedThreadLocalMode(const GlobalVariable *GV) { 376d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (GV->getThreadLocalMode()) { 377d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::NotThreadLocal: return 0; 378d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::GeneralDynamicTLSModel: return 1; 379d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::LocalDynamicTLSModel: return 2; 380d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::InitialExecTLSModel: return 3; 381d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::LocalExecTLSModel: return 4; 382d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 383d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid TLS model"); 384d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 385d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 386d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit top-level description of module, including target triple, inline asm, 387d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// descriptors for global variables, and function prototype info. 388d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleInfo(const Module *M, 389d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 390d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 391d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit various pieces of data attached to a module. 392d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->getTargetTriple().empty()) 393d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_TRIPLE, M->getTargetTriple(), 394d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 395ee4016d1247d3fbe50822de279d3da273d8aef4cTim Murray if (!M->getDataLayoutStr().empty()) 396ee4016d1247d3fbe50822de279d3da273d8aef4cTim Murray WriteStringRecord(bitc::MODULE_CODE_DATALAYOUT, M->getDataLayoutStr(), 397d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 398d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->getModuleInlineAsm().empty()) 399d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_ASM, M->getModuleInlineAsm(), 400d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 401d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 402d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit information about sections and GC, computing how many there are. Also 403d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // compute the maximum alignment value. 404d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines std::map<std::string, unsigned> SectionMap; 405d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines std::map<std::string, unsigned> GCMap; 406d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MaxAlignment = 0; 407d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MaxGlobalType = 0; 408d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_global_iterator GV = M->global_begin(),E = M->global_end(); 409d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines GV != E; ++GV) { 410d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MaxAlignment = std::max(MaxAlignment, GV->getAlignment()); 411d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MaxGlobalType = std::max(MaxGlobalType, VE.getTypeID(GV->getType())); 412d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (GV->hasSection()) { 413d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Give section names unique ID's. 414d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned &Entry = SectionMap[GV->getSection()]; 415d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!Entry) { 416d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, GV->getSection(), 417d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 418d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Entry = SectionMap.size(); 419d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 420d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 421d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 422d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) { 423d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MaxAlignment = std::max(MaxAlignment, F->getAlignment()); 424d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (F->hasSection()) { 425d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Give section names unique ID's. 426d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned &Entry = SectionMap[F->getSection()]; 427d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!Entry) { 428d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, F->getSection(), 429d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 430d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Entry = SectionMap.size(); 431d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 432d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 433d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (F->hasGC()) { 434d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Same for GC names. 435d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned &Entry = GCMap[F->getGC()]; 436d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!Entry) { 437d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_GCNAME, F->getGC(), 438d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 439d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Entry = GCMap.size(); 440d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 441d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 442d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 443d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 444d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit abbrev for globals, now that we know # sections and max alignment. 445d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned SimpleGVarAbbrev = 0; 446d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->global_empty()) { 447d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Add an abbrev for common globals with no visibility or thread localness. 448d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 449d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_GLOBALVAR)); 450d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 451d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(MaxGlobalType+1))); 452d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Constant. 453d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Initializer. 454d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // Linkage. 455d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (MaxAlignment == 0) // Alignment. 456d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 457d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else { 458d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MaxEncAlignment = Log2_32(MaxAlignment)+1; 459d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 460d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(MaxEncAlignment+1))); 461d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 462d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (SectionMap.empty()) // Section. 463d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 464d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 465d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 466d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(SectionMap.size()+1))); 467d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Don't bother emitting vis + thread local. 468d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SimpleGVarAbbrev = Stream.EmitAbbrev(Abbv); 469d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 470d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 471d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the global variable information. 472d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> Vals; 473d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_global_iterator GV = M->global_begin(),E = M->global_end(); 474d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines GV != E; ++GV) { 475d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 476d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 477d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // GLOBALVAR: [type, isconst, initid, 478d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // linkage, alignment, section, visibility, threadlocal, 479d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // unnamed_addr] 480d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(GV->getType())); 481d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GV->isConstant()); 482d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GV->isDeclaration() ? 0 : 483d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines (VE.getValueID(GV->getInitializer()) + 1)); 484d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedLinkage(GV)); 485d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(GV->getAlignment())+1); 486d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GV->hasSection() ? SectionMap[GV->getSection()] : 0); 487d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (GV->isThreadLocal() || 488d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines GV->getVisibility() != GlobalValue::DefaultVisibility || 4890da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines GV->hasUnnamedAddr() || GV->isExternallyInitialized()) { 490d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedVisibility(GV)); 491d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedThreadLocalMode(GV)); 492d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GV->hasUnnamedAddr()); 4930da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines Vals.push_back(GV->isExternallyInitialized()); 494d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 495d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = SimpleGVarAbbrev; 496d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 497d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 498d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_GLOBALVAR, Vals, AbbrevToUse); 499d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 500d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 501d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 502d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the function proto information. 503d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) { 504d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment, 505d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // section, visibility, gc, unnamed_addr] 506d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(F->getType())); 507d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->getCallingConv()); 508d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->isDeclaration()); 509d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedLinkage(F)); 510d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getAttributeID(F->getAttributes())); 511d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(F->getAlignment())+1); 512d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->hasSection() ? SectionMap[F->getSection()] : 0); 513d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedVisibility(F)); 514d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->hasGC() ? GCMap[F->getGC()] : 0); 515d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(F->hasUnnamedAddr()); 516d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 517d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 518d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse); 519d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 520d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 521d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 522d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the alias information. 523d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_alias_iterator AI = M->alias_begin(), E = M->alias_end(); 524d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AI != E; ++AI) { 525d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // ALIAS: [alias type, aliasee val#, linkage, visibility] 526d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(AI->getType())); 527d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(AI->getAliasee())); 528d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedLinkage(AI)); 529d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedVisibility(AI)); 530d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 531d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_ALIAS, Vals, AbbrevToUse); 532d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 533d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 534d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 535d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 536d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic uint64_t GetOptimizationFlags(const Value *V) { 537d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t Flags = 0; 538d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 539d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (const OverflowingBinaryOperator *OBO = 540d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines dyn_cast<OverflowingBinaryOperator>(V)) { 541d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (OBO->hasNoSignedWrap()) 542d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Flags |= 1 << bitc::OBO_NO_SIGNED_WRAP; 543d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (OBO->hasNoUnsignedWrap()) 544d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Flags |= 1 << bitc::OBO_NO_UNSIGNED_WRAP; 545d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const PossiblyExactOperator *PEO = 546d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines dyn_cast<PossiblyExactOperator>(V)) { 547d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (PEO->isExact()) 548d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Flags |= 1 << bitc::PEO_EXACT; 5490da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines } else if (const FPMathOperator *FPMO = 5500da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines dyn_cast<const FPMathOperator>(V)) { 5510da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines // FIXME(srhines): We don't handle fast math in llvm-rs-cc today. 5520da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines if (false) { 5530da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines if (FPMO->hasUnsafeAlgebra()) 5540da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines Flags |= FastMathFlags::UnsafeAlgebra; 5550da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines if (FPMO->hasNoNaNs()) 5560da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines Flags |= FastMathFlags::NoNaNs; 5570da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines if (FPMO->hasNoInfs()) 5580da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines Flags |= FastMathFlags::NoInfs; 5590da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines if (FPMO->hasNoSignedZeros()) 5600da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines Flags |= FastMathFlags::NoSignedZeros; 5610da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines if (FPMO->hasAllowReciprocal()) 5620da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines Flags |= FastMathFlags::AllowReciprocal; 5630da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines } 564d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 565d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 566d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return Flags; 567d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 568d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 569d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteMDNode(const MDNode *N, 570d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 571d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream, 572d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> &Record) { 573d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 574d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (N->getOperand(i)) { 575d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(N->getOperand(i)->getType())); 576d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(N->getOperand(i))); 577d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 578d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(Type::getVoidTy(N->getContext()))); 579d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(0); 580d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 581d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 582d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MDCode = N->isFunctionLocal() ? bitc::METADATA_FN_NODE : 583d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bitc::METADATA_NODE; 584d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(MDCode, Record, 0); 585d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 586d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 587d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 588d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleMetadata(const Module *M, 589d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 590d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 591d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::ValueList &Vals = VE.getMDValues(); 592d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool StartedMetadataBlock = false; 593d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MDSAbbrev = 0; 594d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 595d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) { 596d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 597d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (const MDNode *N = dyn_cast<MDNode>(Vals[i].first)) { 598d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!N->isFunctionLocal() || !N->getFunction()) { 599d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!StartedMetadataBlock) { 600d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 601d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StartedMetadataBlock = true; 602d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 603d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteMDNode(N, VE, Stream, Record); 604d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 605d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const MDString *MDS = dyn_cast<MDString>(Vals[i].first)) { 606d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!StartedMetadataBlock) { 607d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 608d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 609d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for METADATA_STRING. 610d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 611d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_STRING)); 612d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 613d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 614d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MDSAbbrev = Stream.EmitAbbrev(Abbv); 615d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StartedMetadataBlock = true; 616d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 617d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 618d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Code: [strchar x N] 619d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.append(MDS->begin(), MDS->end()); 620d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 621d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 622d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_STRING, Record, MDSAbbrev); 623d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 624d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 625d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 626d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 627d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write named metadata. 628d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_named_metadata_iterator I = M->named_metadata_begin(), 629d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines E = M->named_metadata_end(); I != E; ++I) { 630d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const NamedMDNode *NMD = I; 631d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!StartedMetadataBlock) { 632d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 633d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StartedMetadataBlock = true; 634d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 635d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 636d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write name. 637d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StringRef Str = NMD->getName(); 638d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Str.size(); i != e; ++i) 639d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(Str[i]); 640d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_NAME, Record, 0/*TODO*/); 641d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 642d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 643d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write named metadata operands. 644d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) 645d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(NMD->getOperand(i))); 646d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0); 647d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 648d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 649d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 650d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (StartedMetadataBlock) 651d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 652d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 653d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 654d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteFunctionLocalMetadata(const Function &F, 655d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 656d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 657d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool StartedMetadataBlock = false; 658d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 659d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const SmallVector<const MDNode *, 8> &Vals = VE.getFunctionLocalMDValues(); 660d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) 661d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (const MDNode *N = Vals[i]) 662d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (N->isFunctionLocal() && N->getFunction() == &F) { 663d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!StartedMetadataBlock) { 664d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 665d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StartedMetadataBlock = true; 666d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 667d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteMDNode(N, VE, Stream, Record); 668d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 66923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 670d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (StartedMetadataBlock) 671d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 672d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 673d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 674d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteMetadataAttachment(const Function &F, 675d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 676d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 677d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3); 678d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 679d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 680d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 681d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write metadata attachments 682d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]] 683d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<std::pair<unsigned, MDNode*>, 4> MDs; 68423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 685d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 686d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 687d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) { 688d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MDs.clear(); 689d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I->getAllMetadataOtherThanDebugLoc(MDs); 69023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 691d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If no metadata, ignore instruction. 692d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (MDs.empty()) continue; 693d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 694d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getInstructionID(I)); 69523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 696d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = MDs.size(); i != e; ++i) { 697d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(MDs[i].first); 698d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(MDs[i].second)); 699d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 700d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0); 701d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 702d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 703d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 704d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 705d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 706d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 707d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleMetadataStore(const Module *M, BitstreamWriter &Stream) { 708d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 709d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 710d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write metadata kinds 711d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // METADATA_KIND - [n x [id, name]] 712d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<StringRef, 4> Names; 713d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines M->getMDKindNames(Names); 71423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 715d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Names.empty()) return; 716d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 717d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 71823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 719d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned MDKindID = 0, e = Names.size(); MDKindID != e; ++MDKindID) { 720d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(MDKindID); 721d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StringRef KName = Names[MDKindID]; 722d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.append(KName.begin(), KName.end()); 72323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 724d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_KIND, Record, 0); 725d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 726d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 727d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 728d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 729d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 730d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 731d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void EmitAPInt(SmallVectorImpl<uint64_t> &Vals, 732d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned &Code, unsigned &AbbrevToUse, const APInt &Val, 733d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool EmitSizeForWideNumbers = false 734d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ) { 735d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Val.getBitWidth() <= 64) { 736d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t V = Val.getSExtValue(); 737d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if ((int64_t)V >= 0) 738d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(V << 1); 739d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 740d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back((-V << 1) | 1); 741d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_INTEGER; 742d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CONSTANTS_INTEGER_ABBREV; 743d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 744d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Wide integers, > 64 bits in size. 745d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // We have an arbitrary precision integer value to write whose 746d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // bit width is > 64. However, in canonical unsigned integer 747d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // format it is likely that the high bits are going to be zero. 748d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // So, we only write the number of active words. 749d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned NWords = Val.getActiveWords(); 75023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 751d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (EmitSizeForWideNumbers) 752d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(NWords); 75323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 754d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const uint64_t *RawWords = Val.getRawData(); 755d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0; i != NWords; ++i) { 756d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines int64_t V = RawWords[i]; 757d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (V >= 0) 758d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(V << 1); 759d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 760d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back((-V << 1) | 1); 761d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 762d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_WIDE_INTEGER; 763d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 764d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 765d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 766d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteConstants(unsigned FirstVal, unsigned LastVal, 767d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 768d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream, bool isGlobal) { 769d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (FirstVal == LastVal) return; 770d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 771d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::CONSTANTS_BLOCK_ID, 4); 772d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 773d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AggregateAbbrev = 0; 774d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned String8Abbrev = 0; 775d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CString7Abbrev = 0; 776d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CString6Abbrev = 0; 777d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If this is a constant pool for the module, emit module-specific abbrevs. 778d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isGlobal) { 779d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_AGGREGATE. 780d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 781d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_AGGREGATE)); 782d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 783d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, Log2_32_Ceil(LastVal+1))); 784d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AggregateAbbrev = Stream.EmitAbbrev(Abbv); 785d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 786d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_STRING. 787d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 788d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_STRING)); 789d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 790d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 791d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines String8Abbrev = Stream.EmitAbbrev(Abbv); 792d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_CSTRING. 793d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 794d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 795d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 796d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 797d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CString7Abbrev = Stream.EmitAbbrev(Abbv); 798d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_CSTRING. 799d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 800d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 801d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 802d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 803d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CString6Abbrev = Stream.EmitAbbrev(Abbv); 804d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 805d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 806d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 807d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 808d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::ValueList &Vals = VE.getValues(); 809d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *LastTy = 0; 810d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = FirstVal; i != LastVal; ++i) { 811d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Value *V = Vals[i].first; 812d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If we need to switch types, do so now. 813d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (V->getType() != LastTy) { 814d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines LastTy = V->getType(); 815d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(LastTy)); 816d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::CST_CODE_SETTYPE, Record, 817d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_SETTYPE_ABBREV); 818d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 819d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 820d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 821d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) { 822d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(unsigned(IA->hasSideEffects()) | 823d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned(IA->isAlignStack()) << 1 | 824d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned(IA->getDialect()&1) << 2); 825d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 826d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Add the asm string. 827d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const std::string &AsmStr = IA->getAsmString(); 828d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(AsmStr.size()); 829d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = AsmStr.size(); i != e; ++i) 830d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(AsmStr[i]); 831d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 832d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Add the constraint string. 833d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const std::string &ConstraintStr = IA->getConstraintString(); 834d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(ConstraintStr.size()); 835d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = ConstraintStr.size(); i != e; ++i) 836d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(ConstraintStr[i]); 837d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::CST_CODE_INLINEASM, Record); 838d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 839d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines continue; 840d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 841d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Constant *C = cast<Constant>(V); 842d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code = -1U; 843d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 844d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (C->isNullValue()) { 845d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_NULL; 846d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (isa<UndefValue>(C)) { 847d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_UNDEF; 848d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) { 849d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines EmitAPInt(Record, Code, AbbrevToUse, IV->getValue()); 850d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C)) { 851d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_FLOAT; 852d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *Ty = CFP->getType(); 853d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Ty->isHalfTy() || Ty->isFloatTy() || Ty->isDoubleTy()) { 854d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(CFP->getValueAPF().bitcastToAPInt().getZExtValue()); 855d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (Ty->isX86_FP80Ty()) { 856d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // api needed to prevent premature destruction 857d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // bits are not in the same order as a normal i80 APInt, compensate. 858d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 859d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const uint64_t *p = api.getRawData(); 860d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back((p[1] << 48) | (p[0] >> 16)); 861d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(p[0] & 0xffffLL); 862d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (Ty->isFP128Ty() || Ty->isPPC_FP128Ty()) { 863d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 864d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const uint64_t *p = api.getRawData(); 865d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(p[0]); 866d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(p[1]); 867d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 868d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert (0 && "Unknown FP type!"); 869d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 870d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (isa<ConstantDataSequential>(C) && 871d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<ConstantDataSequential>(C)->isString()) { 872d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const ConstantDataSequential *Str = cast<ConstantDataSequential>(C); 873d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit constant strings specially. 874d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned NumElts = Str->getNumElements(); 875d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If this is a null-terminated string, use the denser CSTRING encoding. 876d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Str->isCString()) { 877d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CSTRING; 878d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines --NumElts; // Don't encode the null, which isn't allowed by char6. 879d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 880d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_STRING; 881d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = String8Abbrev; 882d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 883d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool isCStr7 = Code == bitc::CST_CODE_CSTRING; 884d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool isCStrChar6 = Code == bitc::CST_CODE_CSTRING; 885d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0; i != NumElts; ++i) { 886d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned char V = Str->getElementAsInteger(i); 887d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(V); 888d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isCStr7 &= (V & 128) == 0; 889d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isCStrChar6) 890d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isCStrChar6 = BitCodeAbbrevOp::isChar6(V); 891d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 89223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 893d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isCStrChar6) 894d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CString6Abbrev; 895d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (isCStr7) 896d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CString7Abbrev; 89723c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines } else if (const ConstantDataSequential *CDS = 898d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines dyn_cast<ConstantDataSequential>(C)) { 899d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_DATA; 900d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *EltTy = CDS->getType()->getElementType(); 901d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isa<IntegerType>(EltTy)) { 902d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) 903d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(CDS->getElementAsInteger(i)); 904d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (EltTy->isFloatTy()) { 905d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) { 906d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines union { float F; uint32_t I; }; 907d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines F = CDS->getElementAsFloat(i); 908d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(I); 909d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 910d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 911d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(EltTy->isDoubleTy() && "Unknown ConstantData element type"); 912d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) { 913d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines union { double F; uint64_t I; }; 914d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines F = CDS->getElementAsDouble(i); 915d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(I); 916d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 917d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 918d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (isa<ConstantArray>(C) || isa<ConstantStruct>(C) || 919d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isa<ConstantVector>(C)) { 920d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_AGGREGATE; 921d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i) 922d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 923d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = AggregateAbbrev; 924d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) { 925d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (CE->getOpcode()) { 926d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: 927d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Instruction::isCast(CE->getOpcode())) { 928d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_CAST; 929d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(GetEncodedCastOpcode(CE->getOpcode())); 930d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 931d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 932d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CONSTANTS_CE_CAST_Abbrev; 933d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 934d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(CE->getNumOperands() == 2 && "Unknown constant expr!"); 935d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_BINOP; 936d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(GetEncodedBinaryOpcode(CE->getOpcode())); 937d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 938d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 939d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t Flags = GetOptimizationFlags(CE); 940d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Flags != 0) 941d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(Flags); 942d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 943d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 944d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::GetElementPtr: 945d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_GEP; 946d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<GEPOperator>(C)->isInBounds()) 947d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_INBOUNDS_GEP; 948d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) { 949d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(i)->getType())); 950d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 951d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 952d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 953d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Select: 954d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_SELECT; 955d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 956d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 957d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 958d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 959d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ExtractElement: 960d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_EXTRACTELT; 961d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 962d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 963d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 964d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 965d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::InsertElement: 966d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_INSERTELT; 967d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 968d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 969d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 970d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 971d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ShuffleVector: 972d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the return type and argument types are the same, this is a 973d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // standard shufflevector instruction. If the types are different, 974d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // then the shuffle is widening or truncating the input vectors, and 975d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // the argument type must also be encoded. 976d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (C->getType() == C->getOperand(0)->getType()) { 977d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_SHUFFLEVEC; 978d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 979d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_SHUFVEC_EX; 980d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 981d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 982d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 983d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 984d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 985d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 986d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ICmp: 987d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FCmp: 988d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_CMP; 989d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 990d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 991d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 992d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(CE->getPredicate()); 993d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 994d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 995d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C)) { 996d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_BLOCKADDRESS; 997d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(BA->getFunction()->getType())); 998d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(BA->getFunction())); 999d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getGlobalBasicBlockID(BA->getBasicBlock())); 1000d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1001d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#ifndef NDEBUG 1002d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines C->dump(); 1003d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#endif 1004d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unknown constant!"); 1005d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1006d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Record, AbbrevToUse); 1007d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 1008d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1009d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1010d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1011d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1012d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1013d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleConstants(const llvm_3_2::ValueEnumerator &VE, 1014d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1015d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::ValueList &Vals = VE.getValues(); 1016d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1017d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Find the first constant to emit, which is the first non-globalvalue value. 1018d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // We know globalvalues have been emitted by WriteModuleInfo. 1019d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) { 1020d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!isa<GlobalValue>(Vals[i].first)) { 1021d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteConstants(i, Vals.size(), VE, Stream, true); 1022d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return; 1023d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1024d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1025d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1026d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1027d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// PushValueAndType - The file has to encode both the value and type id for 1028d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// many values, because we need to know what type to create for forward 1029d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// references. However, most operands are not forward references, so this type 1030d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// field is not needed. 1031d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// 1032d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// This function adds V's value ID to Vals. If the value ID is higher than the 1033d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// instruction ID, then it is a forward reference, and it also includes the 1034d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// type ID. 1035d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic bool PushValueAndType(const Value *V, unsigned InstID, 1036d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> &Vals, 1037d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator &VE) { 1038d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned ValID = VE.getValueID(V); 1039d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(ValID); 1040d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (ValID >= InstID) { 1041d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(V->getType())); 1042d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return true; 1043d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1044d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return false; 1045d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1046d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1047d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteInstruction - Emit an instruction to the specified stream. 1048d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteInstruction(const Instruction &I, unsigned InstID, 1049d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator &VE, 1050d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream, 1051d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> &Vals) { 1052d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code = 0; 1053d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 1054d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.setInstructionID(&I); 1055d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (I.getOpcode()) { 1056d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: 1057d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Instruction::isCast(I.getOpcode())) { 1058d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CAST; 1059d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 1060d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_CAST_ABBREV; 1061d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 1062d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedCastOpcode(I.getOpcode())); 1063d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1064d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(isa<BinaryOperator>(I) && "Unknown instruction!"); 1065d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_BINOP; 1066d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 1067d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_ABBREV; 1068d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1069d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedBinaryOpcode(I.getOpcode())); 1070d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t Flags = GetOptimizationFlags(&I); 1071d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Flags != 0) { 1072d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (AbbrevToUse == FUNCTION_INST_BINOP_ABBREV) 1073d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_FLAGS_ABBREV; 1074d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Flags); 1075d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1076d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1077d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1078d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1079d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::GetElementPtr: 1080d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_GEP; 1081d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<GEPOperator>(&I)->isInBounds()) 1082d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INBOUNDS_GEP; 1083d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 1084d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 1085d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1086d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ExtractValue: { 1087d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTVAL; 1088d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1089d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const ExtractValueInst *EVI = cast<ExtractValueInst>(&I); 1090d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const unsigned *i = EVI->idx_begin(), *e = EVI->idx_end(); i != e; ++i) 1091d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(*i); 1092d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1093d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1094d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::InsertValue: { 1095d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INSERTVAL; 1096d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1097d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 1098d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const InsertValueInst *IVI = cast<InsertValueInst>(&I); 1099d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const unsigned *i = IVI->idx_begin(), *e = IVI->idx_end(); i != e; ++i) 1100d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(*i); 1101d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1102d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1103d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Select: 1104d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_VSELECT; 1105d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 1106d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 1107d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1108d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1109d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ExtractElement: 1110d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTELT; 1111d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1112d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1113d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1114d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::InsertElement: 1115d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INSERTELT; 1116d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1117d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1118d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 1119d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1120d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ShuffleVector: 1121d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_SHUFFLEVEC; 1122d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1123d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1124d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 1125d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1126d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ICmp: 1127d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FCmp: 1128d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // compare returning Int1Ty or vector of Int1Ty 1129d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CMP2; 1130d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1131d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1132d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<CmpInst>(I).getPredicate()); 1133d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1134d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1135d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Ret: 1136d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1137d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_RET; 1138d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned NumOperands = I.getNumOperands(); 1139d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (NumOperands == 0) 1140d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_RET_VOID_ABBREV; 1141d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (NumOperands == 1) { 1142d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 1143d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_RET_VAL_ABBREV; 1144d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1145d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = NumOperands; i != e; ++i) 1146d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 1147d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1148d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1149d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1150d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Br: 1151d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1152d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_BR; 11530da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines const BranchInst &II = cast<BranchInst>(I); 1154d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(0))); 1155d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (II.isConditional()) { 1156d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(1))); 1157d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II.getCondition())); 1158d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1159d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1160d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1161d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Switch: 1162d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1163d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_SWITCH; 11640da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines const SwitchInst &SI = cast<SwitchInst>(I); 116599d429070eb7c4c39fb7d74555031d518a4e0a79Stephen Hines Vals.push_back(VE.getTypeID(SI.getCondition()->getType())); 116699d429070eb7c4c39fb7d74555031d518a4e0a79Stephen Hines Vals.push_back(VE.getValueID(SI.getCondition())); 116799d429070eb7c4c39fb7d74555031d518a4e0a79Stephen Hines Vals.push_back(VE.getValueID(SI.getDefaultDest())); 11680da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines for (SwitchInst::ConstCaseIt i = SI.case_begin(), e = SI.case_end(); 1169d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines i != e; ++i) { 1170eeb251e8db802b836af7461d0f6eb1252c527ab8Stephen Hines Vals.push_back(VE.getValueID(i.getCaseValue())); 1171eeb251e8db802b836af7461d0f6eb1252c527ab8Stephen Hines Vals.push_back(VE.getValueID(i.getCaseSuccessor())); 1172d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1173d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1174d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1175d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::IndirectBr: 1176d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INDIRECTBR; 1177d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 1178d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 1179d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); 1180d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 118123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1182d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Invoke: { 1183d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const InvokeInst *II = cast<InvokeInst>(&I); 1184d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Value *Callee(II->getCalledValue()); 1185d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PointerType *PTy = cast<PointerType>(Callee->getType()); 1186d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 1187d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INVOKE; 1188d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1189d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getAttributeID(II->getAttributes())); 1190d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(II->getCallingConv()); 1191d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II->getNormalDest())); 1192d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II->getUnwindDest())); 1193d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(Callee, InstID, Vals, VE); 1194d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1195d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit value #'s for the fixed parameters. 1196d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 1197d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); // fixed param. 1198d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1199d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit type/value pairs for varargs params. 1200d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (FTy->isVarArg()) { 1201d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = FTy->getNumParams(), e = I.getNumOperands()-3; 1202d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines i != e; ++i) 1203d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); // vararg 1204d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1205d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1206d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1207d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Resume: 1208d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_RESUME; 1209d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1210d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1211d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Unreachable: 1212d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_UNREACHABLE; 1213d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_UNREACHABLE_ABBREV; 1214d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1215d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1216d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::PHI: { 1217d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const PHINode &PN = cast<PHINode>(I); 1218d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_PHI; 1219d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(PN.getType())); 1220d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) { 1221d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingValue(i))); 1222d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingBlock(i))); 1223d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1224d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1225d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1226d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1227d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::LandingPad: { 1228d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const LandingPadInst &LP = cast<LandingPadInst>(I); 1229d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_LANDINGPAD; 1230d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(LP.getType())); 1231d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(LP.getPersonalityFn(), InstID, Vals, VE); 1232d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LP.isCleanup()); 1233d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LP.getNumClauses()); 1234d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned I = 0, E = LP.getNumClauses(); I != E; ++I) { 1235d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (LP.isCatch(I)) 1236d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LandingPadInst::Catch); 1237d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 1238d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LandingPadInst::Filter); 1239d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(LP.getClause(I), InstID, Vals, VE); 1240d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1241d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1242d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1243d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1244d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Alloca: 1245d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_ALLOCA; 1246d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 1247d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 1248d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // size. 1249d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(cast<AllocaInst>(I).getAlignment())+1); 1250d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1251d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1252d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Load: 1253d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<LoadInst>(I).isAtomic()) { 1254d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_LOADATOMIC; 1255d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1256d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1257d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_LOAD; 1258d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) // ptr 1259d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_LOAD_ABBREV; 1260d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1261d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(cast<LoadInst>(I).getAlignment())+1); 1262d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<LoadInst>(I).isVolatile()); 1263d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<LoadInst>(I).isAtomic()) { 1264d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<LoadInst>(I).getOrdering())); 1265d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope(cast<LoadInst>(I).getSynchScope())); 1266d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1267d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1268d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Store: 1269d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<StoreInst>(I).isAtomic()) 1270d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_STOREATOMIC; 1271d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 1272d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_STORE; 1273d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); // ptrty + ptr 1274d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // val. 1275d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); 1276d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<StoreInst>(I).isVolatile()); 1277d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<StoreInst>(I).isAtomic()) { 1278d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<StoreInst>(I).getOrdering())); 1279d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope(cast<StoreInst>(I).getSynchScope())); 1280d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1281d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1282d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::AtomicCmpXchg: 1283d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CMPXCHG; 1284d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 1285d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // cmp. 1286d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); // newval. 1287d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<AtomicCmpXchgInst>(I).isVolatile()); 1288d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering( 1289ee4016d1247d3fbe50822de279d3da273d8aef4cTim Murray cast<AtomicCmpXchgInst>(I).getSuccessOrdering())); 1290d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope( 1291d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicCmpXchgInst>(I).getSynchScope())); 1292d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1293d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::AtomicRMW: 1294d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_ATOMICRMW; 1295d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 1296d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // val. 1297d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedRMWOperation( 1298d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicRMWInst>(I).getOperation())); 1299d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<AtomicRMWInst>(I).isVolatile()); 1300d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<AtomicRMWInst>(I).getOrdering())); 1301d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope( 1302d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicRMWInst>(I).getSynchScope())); 1303d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1304d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Fence: 1305d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_FENCE; 1306d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<FenceInst>(I).getOrdering())); 1307d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope(cast<FenceInst>(I).getSynchScope())); 1308d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1309d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Call: { 1310d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const CallInst &CI = cast<CallInst>(I); 1311d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PointerType *PTy = cast<PointerType>(CI.getCalledValue()->getType()); 1312d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 1313d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1314d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CALL; 1315d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1316d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getAttributeID(CI.getAttributes())); 1317d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back((CI.getCallingConv() << 1) | unsigned(CI.isTailCall())); 1318d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(CI.getCalledValue(), InstID, Vals, VE); // Callee 1319d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1320d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit value #'s for the fixed parameters. 1321d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 1322d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(CI.getArgOperand(i))); // fixed param. 1323d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1324d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit type/value pairs for varargs params. 1325d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (FTy->isVarArg()) { 1326d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = FTy->getNumParams(), e = CI.getNumArgOperands(); 1327d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines i != e; ++i) 1328d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(CI.getArgOperand(i), InstID, Vals, VE); // varargs 1329d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1330d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1331d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1332d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::VAArg: 1333d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_VAARG; 1334d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); // valistty 1335d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // valist. 1336d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getType())); // restype. 1337d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1338d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1339d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1340d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 1341d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 1342d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1343d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1344d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit names for globals/functions etc. 1345d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteValueSymbolTable(const ValueSymbolTable &VST, 1346d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 1347d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1348d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (VST.empty()) return; 1349d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 4); 1350d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1351d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FIXME: Set up the abbrev, we know how many values there are! 1352d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FIXME: We know if the type names can use 7-bit ascii. 1353d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> NameVals; 1354d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1355d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (ValueSymbolTable::const_iterator SI = VST.begin(), SE = VST.end(); 1356d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SI != SE; ++SI) { 1357d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1358d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const ValueName &Name = *SI; 1359d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1360d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Figure out the encoding to use for the name. 1361d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool is7Bit = true; 1362d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool isChar6 = true; 1363d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const char *C = Name.getKeyData(), *E = C+Name.getKeyLength(); 1364d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines C != E; ++C) { 1365d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isChar6) 1366d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isChar6 = BitCodeAbbrevOp::isChar6(*C); 1367d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if ((unsigned char)*C & 128) { 1368d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines is7Bit = false; 1369d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; // don't bother scanning the rest. 1370d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1371d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1372d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1373d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = VST_ENTRY_8_ABBREV; 1374d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1375d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VST_ENTRY: [valueid, namechar x N] 1376d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VST_BBENTRY: [bbid, namechar x N] 1377d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code; 1378d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isa<BasicBlock>(SI->getValue())) { 1379d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::VST_CODE_BBENTRY; 1380d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isChar6) 1381d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = VST_BBENTRY_6_ABBREV; 1382d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1383d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::VST_CODE_ENTRY; 1384d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isChar6) 1385d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = VST_ENTRY_6_ABBREV; 1386d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (is7Bit) 1387d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = VST_ENTRY_7_ABBREV; 1388d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1389d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1390d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NameVals.push_back(VE.getValueID(SI->getValue())); 1391d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const char *P = Name.getKeyData(), 1392d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines *E = Name.getKeyData()+Name.getKeyLength(); P != E; ++P) 1393d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NameVals.push_back((unsigned char)*P); 1394d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1395d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 1396d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, NameVals, AbbrevToUse); 1397d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NameVals.clear(); 1398d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1399d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1400d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1401d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1402d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteFunction - Emit a function body to the module stream. 1403d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteFunction(const Function &F, llvm_3_2::ValueEnumerator &VE, 1404d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1405d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::FUNCTION_BLOCK_ID, 4); 1406d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.incorporateFunction(F); 1407d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1408d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> Vals; 1409d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1410d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the number of basic blocks, so the reader can create them ahead of 1411d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // time. 1412d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getBasicBlocks().size()); 1413d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DECLAREBLOCKS, Vals); 1414d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 1415d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1416d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If there are function-local constants, emit them now. 1417d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CstStart, CstEnd; 1418d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.getFunctionConstantRange(CstStart, CstEnd); 1419d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteConstants(CstStart, CstEnd, VE, Stream, false); 1420d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1421d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If there is function-local metadata, emit it now. 1422d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteFunctionLocalMetadata(F, VE, Stream); 1423d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1424d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Keep a running idea of what the instruction ID is. 1425d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned InstID = CstEnd; 1426d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1427d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool NeedsMetadataAttachment = false; 142823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1429d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DebugLoc LastDL; 143023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1431d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Finally, emit all the instructions, in order. 1432d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 1433d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 1434d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) { 1435d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInstruction(*I, InstID, VE, Stream, Vals); 143623c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1437d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!I->getType()->isVoidTy()) 1438d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ++InstID; 143923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1440d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the instruction has metadata, write a metadata attachment later. 1441d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NeedsMetadataAttachment |= I->hasMetadataOtherThanDebugLoc(); 144223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1443d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the instruction has a debug location, emit it. 1444d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DebugLoc DL = I->getDebugLoc(); 1445d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (DL.isUnknown()) { 1446d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // nothing todo. 1447d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (DL == LastDL) { 1448d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Just repeat the same debug loc as last time. 1449d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC_AGAIN, Vals); 1450d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1451d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MDNode *Scope, *IA; 1452d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DL.getScopeAndInlinedAt(Scope, IA, I->getContext()); 145323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1454d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(DL.getLine()); 1455d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(DL.getCol()); 1456d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Scope ? VE.getValueID(Scope)+1 : 0); 1457d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(IA ? VE.getValueID(IA)+1 : 0); 1458d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals); 1459d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 146023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1461d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines LastDL = DL; 1462d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1463d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1464d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1465d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit names for all the instructions etc. 1466d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteValueSymbolTable(F.getValueSymbolTable(), VE, Stream); 1467d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1468d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (NeedsMetadataAttachment) 1469d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteMetadataAttachment(F, VE, Stream); 1470d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.purgeFunction(); 1471d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1472d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1473d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1474d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit blockinfo, which defines the standard abbreviations etc. 1475d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteBlockInfo(const llvm_3_2::ValueEnumerator &VE, 1476d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1477d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // We only want to emit block info records for blocks that have multiple 1478d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. Other 1479d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // blocks can defined their abbrevs inline. 1480d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterBlockInfoBlock(2); 1481d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1482d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 8-bit fixed-width VST_ENTRY/VST_BBENTRY strings. 1483d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1484d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); 1485d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1486d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1487d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 1488d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1489d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_ENTRY_8_ABBREV) 1490d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1491d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1492d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1493d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 7-bit fixed width VST_ENTRY strings. 1494d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1495d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 1496d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1497d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1498d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 1499d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1500d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_ENTRY_7_ABBREV) 1501d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1502d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1503d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 6-bit char6 VST_ENTRY strings. 1504d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1505d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 1506d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1507d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1508d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 1509d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1510d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_ENTRY_6_ABBREV) 1511d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1512d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1513d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 6-bit char6 VST_BBENTRY strings. 1514d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1515d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_BBENTRY)); 1516d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1517d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1518d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 1519d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1520d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_BBENTRY_6_ABBREV) 1521d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1522d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1523d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1524d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1525d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1526d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // SETTYPE abbrev for CONSTANTS_BLOCK. 1527d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1528d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_SETTYPE)); 1529d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1530d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 1531d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1532d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_SETTYPE_ABBREV) 1533d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1534d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1535d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1536d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INTEGER abbrev for CONSTANTS_BLOCK. 1537d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1538d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_INTEGER)); 1539d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1540d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1541d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_INTEGER_ABBREV) 1542d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1543d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1544d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1545d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // CE_CAST abbrev for CONSTANTS_BLOCK. 1546d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1547d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CE_CAST)); 1548d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // cast opc 1549d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // typeid 1550d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 1551d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id 1552d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1553d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1554d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_CE_CAST_Abbrev) 1555d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1556d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1557d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // NULL abbrev for CONSTANTS_BLOCK. 1558d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1559d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_NULL)); 1560d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1561d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_NULL_Abbrev) 1562d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1563d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1564d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1565d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FIXME: This should only use space for first class types! 1566d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1567d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_LOAD abbrev for FUNCTION_BLOCK. 1568d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1569d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_LOAD)); 1570d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Ptr 1571d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // Align 1572d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // volatile 1573d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1574d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_LOAD_ABBREV) 1575d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1576d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1577d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_BINOP abbrev for FUNCTION_BLOCK. 1578d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1579d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 1580d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 1581d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 1582d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 1583d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1584d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_BINOP_ABBREV) 1585d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1586d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1587d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_BINOP_FLAGS abbrev for FUNCTION_BLOCK. 1588d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1589d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 1590d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 1591d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 1592d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 1593d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); // flags 1594d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1595d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_BINOP_FLAGS_ABBREV) 1596d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1597d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1598d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_CAST abbrev for FUNCTION_BLOCK. 1599d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1600d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_CAST)); 1601d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpVal 1602d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty 1603d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 1604d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 1605d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1606d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_CAST_ABBREV) 1607d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1608d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1609d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1610d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 1611d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1612d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 1613d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1614d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_RET_VOID_ABBREV) 1615d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1616d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1617d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 1618d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1619d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 1620d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ValID 1621d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1622d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_RET_VAL_ABBREV) 1623d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1624d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1625d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_UNREACHABLE abbrev for FUNCTION_BLOCK. 1626d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1627d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_UNREACHABLE)); 1628d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1629d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_UNREACHABLE_ABBREV) 1630d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1631d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1632d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1633d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1634d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1635d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 163623c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines// Sort the Users based on the order in which the reader parses the bitcode 1637d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// file. 1638d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic bool bitcodereader_order(const User *lhs, const User *rhs) { 1639d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // TODO: Implement. 1640d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return true; 1641d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1642d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1643d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteUseList(const Value *V, const llvm_3_2::ValueEnumerator &VE, 1644d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1645d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1646d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // One or zero uses can't get out of order. 1647d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (V->use_empty() || V->hasNUses(1)) 1648d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return; 1649d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1650d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Make a copy of the in-memory use-list for sorting. 1651d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned UseListSize = std::distance(V->use_begin(), V->use_end()); 1652d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<const User*, 8> UseList; 1653d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines UseList.reserve(UseListSize); 1654d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Value::const_use_iterator I = V->use_begin(), E = V->use_end(); 1655d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) { 1656ee4016d1247d3fbe50822de279d3da273d8aef4cTim Murray const Use &use = *I; 1657ee4016d1247d3fbe50822de279d3da273d8aef4cTim Murray UseList.push_back(use.getUser()); 1658d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1659d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1660d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Sort the copy based on the order read by the BitcodeReader. 1661d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines std::sort(UseList.begin(), UseList.end(), bitcodereader_order); 1662d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1663d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // TODO: Generate a diff between the BitcodeWriter in-memory use-list and the 1664d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // sorted list (i.e., the expected BitcodeReader in-memory use-list). 1665d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1666d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // TODO: Emit the USELIST_CODE_ENTRYs. 1667d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1668d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1669d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteFunctionUseList(const Function *F, 1670d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator &VE, 1671d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1672d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.incorporateFunction(*F); 1673d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1674d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end(); 1675d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AI != AE; ++AI) 1676d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(AI, VE, Stream); 1677d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_iterator BB = F->begin(), FE = F->end(); BB != FE; 1678d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ++BB) { 1679d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(BB, VE, Stream); 1680d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (BasicBlock::const_iterator II = BB->begin(), IE = BB->end(); II != IE; 1681d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ++II) { 1682d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(II, VE, Stream); 1683d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (User::const_op_iterator OI = II->op_begin(), E = II->op_end(); 1684d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines OI != E; ++OI) { 1685d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if ((isa<Constant>(*OI) && !isa<GlobalValue>(*OI)) || 1686d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isa<InlineAsm>(*OI)) 1687d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(*OI, VE, Stream); 1688d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1689d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1690d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1691d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.purgeFunction(); 1692d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1693d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1694d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit use-lists. 1695d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleUseLists(const Module *M, llvm_3_2::ValueEnumerator &VE, 1696d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1697d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::USELIST_BLOCK_ID, 3); 1698d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1699d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // XXX: this modifies the module, but in a way that should never change the 1700d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // behavior of any pass or codegen in LLVM. The problem is that GVs may 1701d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // contain entries in the use_list that do not exist in the Module and are 1702d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // not stored in the .bc file. 1703d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_global_iterator I = M->global_begin(), E = M->global_end(); 1704d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) 1705d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I->removeDeadConstantUsers(); 170623c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1707d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the global variables. 170823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines for (Module::const_global_iterator GI = M->global_begin(), 1709d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines GE = M->global_end(); GI != GE; ++GI) { 1710d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(GI, VE, Stream); 1711d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1712d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the global variable initializers. 1713d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (GI->hasInitializer()) 1714d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(GI->getInitializer(), VE, Stream); 1715d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1716d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1717d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the functions. 1718d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_iterator FI = M->begin(), FE = M->end(); FI != FE; ++FI) { 1719d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(FI, VE, Stream); 1720d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!FI->isDeclaration()) 1721d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteFunctionUseList(FI, VE, Stream); 1722d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1723d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1724d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the aliases. 1725d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_alias_iterator AI = M->alias_begin(), AE = M->alias_end(); 1726d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AI != AE; ++AI) { 1727d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(AI, VE, Stream); 1728d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteUseList(AI->getAliasee(), VE, Stream); 1729d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1730d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1731d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1732d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1733d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1734d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteModule - Emit the specified module to the bitstream. 1735d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModule(const Module *M, BitstreamWriter &Stream) { 1736d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); 1737d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1738d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the version number if it is non-zero. 1739d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (CurVersion) { 1740d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 1> Vals; 1741d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(CurVersion); 1742d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_VERSION, Vals); 1743d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1744d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1745d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Analyze the module, enumerating globals, functions, etc. 1746d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator VE(M); 1747d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1748d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit blockinfo, which defines the standard abbreviations etc. 1749d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteBlockInfo(VE, Stream); 1750d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1751d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit information about parameter attributes. 1752d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteAttributeTable(VE, Stream); 1753d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1754d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit information describing all of the types in the module. 1755d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteTypeTable(VE, Stream); 1756d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1757d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit top-level description of module, including target triple, inline asm, 1758d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // descriptors for global variables, and function prototype info. 1759d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleInfo(M, VE, Stream); 1760d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1761d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit constants. 1762d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleConstants(VE, Stream); 1763d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1764d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit metadata. 1765d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleMetadata(M, VE, Stream); 1766d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1767d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit metadata. 1768d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleMetadataStore(M, Stream); 1769d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1770d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit names for globals/functions etc. 1771d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteValueSymbolTable(M->getValueSymbolTable(), VE, Stream); 1772d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1773d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit use-lists. 1774d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (EnablePreserveUseListOrdering) 1775d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleUseLists(M, VE, Stream); 1776d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1777d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit function bodies. 1778d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) 1779d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!F->isDeclaration()) 1780d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteFunction(*F, VE, Stream); 1781d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1782d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1783d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1784d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1785d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// EmitDarwinBCHeader - If generating a bc file on darwin, we have to emit a 1786d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// header and trailer to make it compatible with the system archiver. To do 1787d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// this we emit the following header, and then emit a trailer that pads the 1788d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// file out to be a multiple of 16 bytes. 1789d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// 1790d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// struct bc_header { 1791d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t Magic; // 0x0B17C0DE 1792d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t Version; // Version, currently always 0. 1793d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t BitcodeOffset; // Offset to traditional bitcode file. 1794d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t BitcodeSize; // Size of traditional bitcode file. 1795d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t CPUType; // CPU specifier. 1796d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// ... potentially more later ... 1797d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// }; 1798d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesenum { 1799d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DarwinBCSizeFieldOffset = 3*4, // Offset to bitcode_size. 1800d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DarwinBCHeaderSize = 5*4 1801d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines}; 1802d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1803d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteInt32ToBuffer(uint32_t Value, SmallVectorImpl<char> &Buffer, 1804d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint32_t &Position) { 1805d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 0] = (unsigned char) (Value >> 0); 1806d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 1] = (unsigned char) (Value >> 8); 1807d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 2] = (unsigned char) (Value >> 16); 1808d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 3] = (unsigned char) (Value >> 24); 1809d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Position += 4; 1810d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1811d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1812d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void EmitDarwinBCHeaderAndTrailer(SmallVectorImpl<char> &Buffer, 1813d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Triple &TT) { 1814d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CPUType = ~0U; 1815d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1816d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Match x86_64-*, i[3-9]86-*, powerpc-*, powerpc64-*, arm-*, thumb-*, 1817d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // armv[0-9]-*, thumbv[0-9]-*, armv5te-*, or armv6t2-*. The CPUType is a magic 1818d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // number from /usr/include/mach/machine.h. It is ok to reproduce the 1819d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // specific constants here because they are implicitly part of the Darwin ABI. 1820d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines enum { 1821d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_ARCH_ABI64 = 0x01000000, 1822d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_TYPE_X86 = 7, 1823d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_TYPE_ARM = 12, 1824d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_TYPE_POWERPC = 18 1825d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines }; 1826d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1827d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Triple::ArchType Arch = TT.getArch(); 1828d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Arch == Triple::x86_64) 1829d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_X86 | DARWIN_CPU_ARCH_ABI64; 1830d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::x86) 1831d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_X86; 1832d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::ppc) 1833d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC; 1834d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::ppc64) 1835d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC | DARWIN_CPU_ARCH_ABI64; 1836d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::arm || Arch == Triple::thumb) 1837d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_ARM; 1838d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1839d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Traditional Bitcode starts after header. 1840d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(Buffer.size() >= DarwinBCHeaderSize && 1841d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines "Expected header size to be reserved"); 1842d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned BCOffset = DarwinBCHeaderSize; 1843d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned BCSize = Buffer.size()-DarwinBCHeaderSize; 1844d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1845d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the magic and version. 1846d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Position = 0; 1847d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(0x0B17C0DE , Buffer, Position); 1848d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(0 , Buffer, Position); // Version. 1849d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(BCOffset , Buffer, Position); 1850d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(BCSize , Buffer, Position); 1851d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(CPUType , Buffer, Position); 1852d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1853d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the file is not a multiple of 16 bytes, insert dummy padding. 1854d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines while (Buffer.size() & 15) 1855d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer.push_back(0); 1856d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1857d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1858d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteBitcodeToFile - Write the specified module to the specified output 1859d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// stream. 1860d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesvoid llvm_3_2::WriteBitcodeToFile(const Module *M, raw_ostream &Out) { 1861d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<char, 1024> Buffer; 1862d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer.reserve(256*1024); 1863d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1864d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If this is darwin or another generic macho target, reserve space for the 1865d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // header. 1866d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Triple TT(M->getTargetTriple()); 1867d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (TT.isOSDarwin()) 1868d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer.insert(Buffer.begin(), DarwinBCHeaderSize, 0); 1869d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1870d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the module into the buffer. 1871d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1872d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter Stream(Buffer); 1873d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1874d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the file header. 1875d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit((unsigned)'B', 8); 1876d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit((unsigned)'C', 8); 1877d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0x0, 4); 1878d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0xC, 4); 1879d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0xE, 4); 1880d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0xD, 4); 1881d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1882d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the module. 1883d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModule(M, Stream); 1884d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1885d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1886d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (TT.isOSDarwin()) 1887d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines EmitDarwinBCHeaderAndTrailer(Buffer, TT); 1888d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1889d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the generated bitstream to "Out". 1890d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Out.write((char*)&Buffer.front(), Buffer.size()); 1891d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1892