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" 21c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines#include "llvm/IR/DebugInfoMetadata.h" 2223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/DerivedTypes.h" 2323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/InlineAsm.h" 2423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Instructions.h" 2523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Module.h" 2623c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Operator.h" 27c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines#include "llvm/IR/UseListOrder.h" 2823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/ValueSymbolTable.h" 29d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/CommandLine.h" 30d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/ErrorHandling.h" 31d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/MathExtras.h" 32d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include "llvm/Support/Program.h" 3323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/Support/raw_ostream.h" 34d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include <cctype> 35d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#include <map> 36d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesusing namespace llvm; 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 // VALUE_SYMTAB_BLOCK abbrev id's. 42d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_ENTRY_8_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 43d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_ENTRY_7_ABBREV, 44d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_ENTRY_6_ABBREV, 45d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VST_BBENTRY_6_ABBREV, 46d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 47d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // CONSTANTS_BLOCK abbrev id's. 48d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_SETTYPE_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 49d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_INTEGER_ABBREV, 50d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_CE_CAST_Abbrev, 51d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_NULL_Abbrev, 52d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 53d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FUNCTION_BLOCK abbrev id's. 54d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_LOAD_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 55d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_BINOP_ABBREV, 56d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_BINOP_FLAGS_ABBREV, 57d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_CAST_ABBREV, 58d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_RET_VOID_ABBREV, 59d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FUNCTION_INST_RET_VAL_ABBREV, 60c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines FUNCTION_INST_UNREACHABLE_ABBREV 61d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines}; 62d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 63d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedCastOpcode(unsigned Opcode) { 64d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Opcode) { 65d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown cast instruction!"); 66d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Trunc : return bitc::CAST_TRUNC; 67d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ZExt : return bitc::CAST_ZEXT; 68d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SExt : return bitc::CAST_SEXT; 69d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPToUI : return bitc::CAST_FPTOUI; 70d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPToSI : return bitc::CAST_FPTOSI; 71d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::UIToFP : return bitc::CAST_UITOFP; 72d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SIToFP : return bitc::CAST_SITOFP; 73d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPTrunc : return bitc::CAST_FPTRUNC; 74d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FPExt : return bitc::CAST_FPEXT; 75d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::PtrToInt: return bitc::CAST_PTRTOINT; 76d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::IntToPtr: return bitc::CAST_INTTOPTR; 77d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::BitCast : return bitc::CAST_BITCAST; 78d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 79d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 80d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 81d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedBinaryOpcode(unsigned Opcode) { 82d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Opcode) { 83d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown binary instruction!"); 84d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Add: 85d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FAdd: return bitc::BINOP_ADD; 86d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Sub: 87d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FSub: return bitc::BINOP_SUB; 88d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Mul: 89d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FMul: return bitc::BINOP_MUL; 90d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::UDiv: return bitc::BINOP_UDIV; 91d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FDiv: 92d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SDiv: return bitc::BINOP_SDIV; 93d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::URem: return bitc::BINOP_UREM; 94d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FRem: 95d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::SRem: return bitc::BINOP_SREM; 96d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Shl: return bitc::BINOP_SHL; 97d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::LShr: return bitc::BINOP_LSHR; 98d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::AShr: return bitc::BINOP_ASHR; 99d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::And: return bitc::BINOP_AND; 100d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Or: return bitc::BINOP_OR; 101d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Xor: return bitc::BINOP_XOR; 102d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 103d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 104d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 105d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedRMWOperation(AtomicRMWInst::BinOp Op) { 106d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Op) { 107d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown RMW operation!"); 108d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Xchg: return bitc::RMW_XCHG; 109d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Add: return bitc::RMW_ADD; 110d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Sub: return bitc::RMW_SUB; 111d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::And: return bitc::RMW_AND; 112d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Nand: return bitc::RMW_NAND; 113d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Or: return bitc::RMW_OR; 114d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Xor: return bitc::RMW_XOR; 115d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Max: return bitc::RMW_MAX; 116d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::Min: return bitc::RMW_MIN; 117d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::UMax: return bitc::RMW_UMAX; 118d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AtomicRMWInst::UMin: return bitc::RMW_UMIN; 119d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 120d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 121d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 122d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedOrdering(AtomicOrdering Ordering) { 123d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (Ordering) { 124d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case NotAtomic: return bitc::ORDERING_NOTATOMIC; 125d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Unordered: return bitc::ORDERING_UNORDERED; 126d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Monotonic: return bitc::ORDERING_MONOTONIC; 127d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Acquire: return bitc::ORDERING_ACQUIRE; 128d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Release: return bitc::ORDERING_RELEASE; 129d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case AcquireRelease: return bitc::ORDERING_ACQREL; 130d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case SequentiallyConsistent: return bitc::ORDERING_SEQCST; 131d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 132d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid ordering"); 133d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 134d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 135d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic unsigned GetEncodedSynchScope(SynchronizationScope SynchScope) { 136d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (SynchScope) { 137d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case SingleThread: return bitc::SYNCHSCOPE_SINGLETHREAD; 138d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case CrossThread: return bitc::SYNCHSCOPE_CROSSTHREAD; 139d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 140d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid synch scope"); 141d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 142d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 143d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteStringRecord(unsigned Code, StringRef Str, 144d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse, BitstreamWriter &Stream) { 145d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> Vals; 146d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 147d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Code: [strchar x N] 148d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Str.size(); i != e; ++i) { 149d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (AbbrevToUse && !BitCodeAbbrevOp::isChar6(Str[i])) 150d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = 0; 151d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Str[i]); 152d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 153d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 154d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 155d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 156d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 157d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 158d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit information about parameter attributes. 159d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteAttributeTable(const llvm_3_2::ValueEnumerator &VE, 160d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 16123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines const std::vector<AttributeSet> &Attrs = VE.getAttributes(); 162d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Attrs.empty()) return; 163d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 164d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::PARAMATTR_BLOCK_ID, 3); 165d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 166d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 167d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Attrs.size(); i != e; ++i) { 16823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines const AttributeSet &A = Attrs[i]; 1698bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) { 1708bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines Record.push_back(A.getSlotIndex(i)); 1718bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines Record.push_back(encodeLLVMAttributesForBitcode(A, A.getSlotIndex(i))); 1728bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines } 173d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1748bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines // This needs to use the 3.2 entry type 1758bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines Stream.EmitRecord(bitc::PARAMATTR_CODE_ENTRY_OLD, Record); 176d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 177d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 178d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 179d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 180d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 181d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 182d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteTypeTable - Write out the type table for a module. 183d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteTypeTable(const llvm_3_2::ValueEnumerator &VE, 184d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 185d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::TypeList &TypeList = VE.getTypes(); 186d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 187d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::TYPE_BLOCK_ID_NEW, 4 /*count from # abbrevs */); 188d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> TypeVals; 189d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 190d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t NumBits = Log2_32_Ceil(VE.getTypes().size()+1); 191d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 192d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_POINTER. 193d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 194d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_POINTER)); 195d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 196d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); // Addrspace = 0 197d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned PtrAbbrev = Stream.EmitAbbrev(Abbv); 198d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 199d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_FUNCTION. 200d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 201d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_FUNCTION)); 202d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isvararg 203d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 204d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 205d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 206d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned FunctionAbbrev = Stream.EmitAbbrev(Abbv); 207d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 208d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_STRUCT_ANON. 209d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 210d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_ANON)); 211d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 212d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 213d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 214d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 215d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned StructAnonAbbrev = Stream.EmitAbbrev(Abbv); 216d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 217d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAME. 218d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 219d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAME)); 220d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 221d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 222d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned StructNameAbbrev = Stream.EmitAbbrev(Abbv); 223d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 224d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAMED. 225d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 226d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAMED)); 227d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 228d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 229d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 230d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 231d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned StructNamedAbbrev = Stream.EmitAbbrev(Abbv); 23223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 233d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for TYPE_CODE_ARRAY. 234d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 235d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_ARRAY)); 236d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // size 237d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 238d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 239d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned ArrayAbbrev = Stream.EmitAbbrev(Abbv); 240d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 241d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit an entry count so the reader can reserve space. 242d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(TypeList.size()); 243d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::TYPE_CODE_NUMENTRY, TypeVals); 244d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.clear(); 245d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 246d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Loop over all of the types, emitting each in turn. 247d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = TypeList.size(); i != e; ++i) { 248d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *T = TypeList[i]; 249d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines int AbbrevToUse = 0; 250d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code = 0; 251d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 252d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (T->getTypeID()) { 253d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: llvm_unreachable("Unknown type!"); 2540da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::VoidTyID: Code = bitc::TYPE_CODE_VOID; break; 2550da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::HalfTyID: Code = bitc::TYPE_CODE_HALF; break; 2560da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::FloatTyID: Code = bitc::TYPE_CODE_FLOAT; break; 2570da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::DoubleTyID: Code = bitc::TYPE_CODE_DOUBLE; break; 2580da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::X86_FP80TyID: Code = bitc::TYPE_CODE_X86_FP80; break; 2590da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::FP128TyID: Code = bitc::TYPE_CODE_FP128; break; 260d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::PPC_FP128TyID: Code = bitc::TYPE_CODE_PPC_FP128; break; 2610da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::LabelTyID: Code = bitc::TYPE_CODE_LABEL; break; 2620da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::MetadataTyID: Code = bitc::TYPE_CODE_METADATA; break; 2630da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines case Type::X86_MMXTyID: Code = bitc::TYPE_CODE_X86_MMX; break; 264d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::IntegerTyID: 265d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // INTEGER: [width] 266d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_INTEGER; 267d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(cast<IntegerType>(T)->getBitWidth()); 268d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 269d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::PointerTyID: { 270d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PointerType *PTy = cast<PointerType>(T); 271d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // POINTER: [pointee type, address space] 272d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_POINTER; 273d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(PTy->getElementType())); 274d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AddressSpace = PTy->getAddressSpace(); 275d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(AddressSpace); 276d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (AddressSpace == 0) AbbrevToUse = PtrAbbrev; 277d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 278d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 279d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::FunctionTyID: { 280d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FunctionType *FT = cast<FunctionType>(T); 281d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FUNCTION: [isvararg, retty, paramty x N] 282d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_FUNCTION; 283d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(FT->isVarArg()); 284d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(FT->getReturnType())); 285d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) 286d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(FT->getParamType(i))); 287d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FunctionAbbrev; 288d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 289d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 290d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::StructTyID: { 291d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StructType *ST = cast<StructType>(T); 292d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // STRUCT: [ispacked, eltty x N] 293d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(ST->isPacked()); 294d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Output all of the element types. 295d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (StructType::element_iterator I = ST->element_begin(), 296d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines E = ST->element_end(); I != E; ++I) 297d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(*I)); 29823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 299d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (ST->isLiteral()) { 300d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_STRUCT_ANON; 301d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = StructAnonAbbrev; 302d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 303d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (ST->isOpaque()) { 304d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_OPAQUE; 305d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 306d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_STRUCT_NAMED; 307d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = StructNamedAbbrev; 308d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 309d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 310d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the name if it is present. 311d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!ST->getName().empty()) 312d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::TYPE_CODE_STRUCT_NAME, ST->getName(), 313d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StructNameAbbrev, Stream); 314d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 315d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 316d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 317d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::ArrayTyID: { 318d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ArrayType *AT = cast<ArrayType>(T); 319d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // ARRAY: [numelts, eltty] 320d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_ARRAY; 321d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(AT->getNumElements()); 322d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(AT->getElementType())); 323d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = ArrayAbbrev; 324d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 325d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 326d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Type::VectorTyID: { 327d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VectorType *VT = cast<VectorType>(T); 328d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VECTOR [numelts, eltty] 329d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::TYPE_CODE_VECTOR; 330d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VT->getNumElements()); 331d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.push_back(VE.getTypeID(VT->getElementType())); 332d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 333d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 334d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 335d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 336d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 337d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, TypeVals, AbbrevToUse); 338d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines TypeVals.clear(); 339d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 340d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 341d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 342d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 343d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 344c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic unsigned getEncodedLinkage(const GlobalValue &GV) { 345c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines switch (GV.getLinkage()) { 346c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::ExternalLinkage: 347c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 0; 348c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::WeakAnyLinkage: 349c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 1; 350c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::AppendingLinkage: 351c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 2; 352c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::InternalLinkage: 353c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 3; 354c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::LinkOnceAnyLinkage: 355c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 4; 356c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::ExternalWeakLinkage: 357c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 7; 358c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::CommonLinkage: 359c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 8; 360c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::PrivateLinkage: 361c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 9; 362c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::WeakODRLinkage: 363c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 10; 364c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::LinkOnceODRLinkage: 365c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 11; 366c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::AvailableExternallyLinkage: 367c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 12; 368d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 369d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid linkage"); 370d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 371d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 372c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic unsigned getEncodedVisibility(const GlobalValue &GV) { 373c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines switch (GV.getVisibility()) { 374d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::DefaultVisibility: return 0; 375d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::HiddenVisibility: return 1; 376d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalValue::ProtectedVisibility: return 2; 377d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 378d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid visibility"); 379d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 380d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 381c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic unsigned getEncodedThreadLocalMode(const GlobalVariable &GV) { 382c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines switch (GV.getThreadLocalMode()) { 383d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::NotThreadLocal: return 0; 384d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::GeneralDynamicTLSModel: return 1; 385d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::LocalDynamicTLSModel: return 2; 386d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::InitialExecTLSModel: return 3; 387d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case GlobalVariable::LocalExecTLSModel: return 4; 388d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 389d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Invalid TLS model"); 390d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 391d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 392d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit top-level description of module, including target triple, inline asm, 393d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// descriptors for global variables, and function prototype info. 394d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleInfo(const Module *M, 395d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 396d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 397d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit various pieces of data attached to a module. 398d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->getTargetTriple().empty()) 399d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_TRIPLE, M->getTargetTriple(), 400d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 401c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const std::string &DL = M->getDataLayoutStr(); 402c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!DL.empty()) 403c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteStringRecord(bitc::MODULE_CODE_DATALAYOUT, DL, 0 /*TODO*/, Stream); 404d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->getModuleInlineAsm().empty()) 405d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteStringRecord(bitc::MODULE_CODE_ASM, M->getModuleInlineAsm(), 406d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 407d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 408d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit information about sections and GC, computing how many there are. Also 409d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // compute the maximum alignment value. 410d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines std::map<std::string, unsigned> SectionMap; 411d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines std::map<std::string, unsigned> GCMap; 412d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MaxAlignment = 0; 413d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MaxGlobalType = 0; 414c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const GlobalValue &GV : M->globals()) { 415c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MaxAlignment = std::max(MaxAlignment, GV.getAlignment()); 416c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MaxGlobalType = std::max(MaxGlobalType, VE.getTypeID(GV.getType())); 417c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (GV.hasSection()) { 418d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Give section names unique ID's. 419c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned &Entry = SectionMap[GV.getSection()]; 420d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!Entry) { 421c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, GV.getSection(), 422d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 423d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Entry = SectionMap.size(); 424d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 425d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 426d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 427c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const Function &F : *M) { 428c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MaxAlignment = std::max(MaxAlignment, F.getAlignment()); 429c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (F.hasSection()) { 430d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Give section names unique ID's. 431c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned &Entry = SectionMap[F.getSection()]; 432d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!Entry) { 433c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, F.getSection(), 434d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 435d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Entry = SectionMap.size(); 436d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 437d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 438c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (F.hasGC()) { 439d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Same for GC names. 440c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned &Entry = GCMap[F.getGC()]; 441d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!Entry) { 442c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteStringRecord(bitc::MODULE_CODE_GCNAME, F.getGC(), 443d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 0/*TODO*/, Stream); 444d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Entry = GCMap.size(); 445d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 446d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 447d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 448d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 449d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit abbrev for globals, now that we know # sections and max alignment. 450d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned SimpleGVarAbbrev = 0; 451d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!M->global_empty()) { 452d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Add an abbrev for common globals with no visibility or thread localness. 453d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 454d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_GLOBALVAR)); 455d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 456d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(MaxGlobalType+1))); 457d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Constant. 458d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Initializer. 459d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // Linkage. 460d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (MaxAlignment == 0) // Alignment. 461d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 462d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else { 463d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MaxEncAlignment = Log2_32(MaxAlignment)+1; 464d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 465d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(MaxEncAlignment+1))); 466d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 467d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (SectionMap.empty()) // Section. 468d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 469d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 470d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 471d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(SectionMap.size()+1))); 472d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Don't bother emitting vis + thread local. 473d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SimpleGVarAbbrev = Stream.EmitAbbrev(Abbv); 474d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 475d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 476d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the global variable information. 477d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> Vals; 478c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const GlobalVariable &GV : M->globals()) { 479d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 480d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 481d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // GLOBALVAR: [type, isconst, initid, 482d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // linkage, alignment, section, visibility, threadlocal, 483d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // unnamed_addr] 484c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getTypeID(GV.getType())); 485c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.isConstant()); 486c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.isDeclaration() ? 0 : 487c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines (VE.getValueID(GV.getInitializer()) + 1)); 488d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedLinkage(GV)); 489c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(Log2_32(GV.getAlignment())+1); 490c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.hasSection() ? SectionMap[GV.getSection()] : 0); 491c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (GV.isThreadLocal() || 492c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines GV.getVisibility() != GlobalValue::DefaultVisibility || 493c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines GV.hasUnnamedAddr() || GV.isExternallyInitialized()) { 494d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedVisibility(GV)); 495d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedThreadLocalMode(GV)); 496c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.hasUnnamedAddr()); 497c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.isExternallyInitialized()); 498d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 499d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = SimpleGVarAbbrev; 500d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 501d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 502d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_GLOBALVAR, Vals, AbbrevToUse); 503d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 504d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 505d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 506d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the function proto information. 507c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const Function &F : *M) { 508d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment, 509d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // section, visibility, gc, unnamed_addr] 510c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getTypeID(F.getType())); 511c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.getCallingConv()); 512c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.isDeclaration()); 513d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedLinkage(F)); 514c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getAttributeID(F.getAttributes())); 515c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(Log2_32(F.getAlignment())+1); 516c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.hasSection() ? SectionMap[F.getSection()] : 0); 517d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(getEncodedVisibility(F)); 518c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.hasGC() ? GCMap[F.getGC()] : 0); 519c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.hasUnnamedAddr()); 520d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 521d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 522d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse); 523d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 524d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 525d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 526d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the alias information. 527c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const GlobalAlias &A : M->aliases()) { 528d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // ALIAS: [alias type, aliasee val#, linkage, visibility] 529c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getTypeID(A.getType())); 530c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getValueID(A.getAliasee())); 531c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(getEncodedLinkage(A)); 532c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(getEncodedVisibility(A)); 533d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 5348f093e05e28046b6fc74175b66a06152f72e0c66Pirama Arumuga Nainar Stream.EmitRecord(bitc::MODULE_CODE_ALIAS_OLD, Vals, AbbrevToUse); 535d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 536d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 537d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 538d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 539d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic uint64_t GetOptimizationFlags(const Value *V) { 540d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t Flags = 0; 541d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 542c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (const auto *OBO = dyn_cast<OverflowingBinaryOperator>(V)) { 543d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (OBO->hasNoSignedWrap()) 544d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Flags |= 1 << bitc::OBO_NO_SIGNED_WRAP; 545d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (OBO->hasNoUnsignedWrap()) 546d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Flags |= 1 << bitc::OBO_NO_UNSIGNED_WRAP; 547c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } else if (const auto *PEO = dyn_cast<PossiblyExactOperator>(V)) { 548d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (PEO->isExact()) 549d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Flags |= 1 << bitc::PEO_EXACT; 550c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } else if (const auto *FPMO = dyn_cast<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 569c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic void WriteValueAsMetadata(const ValueAsMetadata *MD, 570c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const llvm_3_2::ValueEnumerator &VE, 571c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitstreamWriter &Stream, 572c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVectorImpl<uint64_t> &Record) { 573c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Mimic an MDNode with a value as one operand. 574c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Value *V = MD->getValue(); 575c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getTypeID(V->getType())); 576c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getValueID(V)); 577c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_OLD_NODE, Record, 0); 578c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.clear(); 579c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines} 580c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 581c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic void WriteMDTuple(const MDTuple *N, const llvm_3_2::ValueEnumerator &VE, 582c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitstreamWriter &Stream, 583c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVectorImpl<uint64_t> &Record, unsigned Abbrev) { 584d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 585c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Metadata *MD = N->getOperand(i); 586c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines assert(!(MD && isa<LocalAsMetadata>(MD)) && 587c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines "Unexpected function-local metadata"); 588c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!MD) { 589c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // TODO(srhines): I don't believe this case can exist for RS. 590c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getTypeID(llvm::Type::getVoidTy(N->getContext()))); 591d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(0); 592c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } else if (const auto *MDC = dyn_cast<ConstantAsMetadata>(MD)) { 593c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getTypeID(MDC->getType())); 594c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getValueID(MDC->getValue())); 595c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } else { 596c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getTypeID( 597c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines llvm::Type::getMetadataTy(N->getContext()))); 598c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataID(MD)); 599d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 600d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 601c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_OLD_NODE, Record, Abbrev); 602d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 603d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 604d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 605c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines/*static void WriteMDLocation(const MDLocation *N, const llvm_3_2::ValueEnumerator &VE, 606c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitstreamWriter &Stream, 607c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVectorImpl<uint64_t> &Record, 608c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned Abbrev) { 609c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(N->isDistinct()); 610c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(N->getLine()); 611c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(N->getColumn()); 612c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataID(N->getScope())); 613c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataOrNullID(N->getInlinedAt())); 614c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 615c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_LOCATION, Record, Abbrev); 616c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.clear(); 617c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines} 618c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 619c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic void WriteGenericDebugNode(const GenericDebugNode *, 620c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const llvm_3_2::ValueEnumerator &, BitstreamWriter &, 621c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVectorImpl<uint64_t> &, unsigned) { 622c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines llvm_unreachable("unimplemented"); 623c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines}*/ 624c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 625d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleMetadata(const Module *M, 626d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 627d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 628c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const auto &MDs = VE.getMDs(); 629c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (MDs.empty() && M->named_metadata_empty()) 630c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return; 631c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 632c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // RenderScript files *ALWAYS* have metadata! 633c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 634c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 635d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned MDSAbbrev = 0; 636c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (VE.hasMDString()) { 637c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Abbrev for METADATA_STRING. 638c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 639c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_STRING)); 640c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 641c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 642c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MDSAbbrev = Stream.EmitAbbrev(Abbv); 643c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 644d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 645c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned MDLocationAbbrev = 0; 6461906a00dce8e32fe3bb8a957e333ebbbee0888e3Pirama Arumuga Nainar if (VE.hasDILocation()) { 647c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // TODO(srhines): Should be unreachable for RenderScript. 648c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Abbrev for METADATA_LOCATION. 649c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // 650c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Assume the column is usually under 128, and always output the inlined-at 651c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // location (it's never more expensive than building an array size 1). 652c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 653c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_LOCATION)); 654c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); 655c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 656c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 657c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 658c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 659c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MDLocationAbbrev = Stream.EmitAbbrev(Abbv); 660c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 661d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 662c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned NameAbbrev = 0; 663c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!M->named_metadata_empty()) { 664c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Abbrev for METADATA_NAME. 665c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 666c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_NAME)); 667c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 668c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 669c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines NameAbbrev = Stream.EmitAbbrev(Abbv); 670c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 671d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 672c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned MDTupleAbbrev = 0; 673c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines //unsigned GenericDebugNodeAbbrev = 0; 674c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVector<uint64_t, 64> Record; 675c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const Metadata *MD : MDs) { 676c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (const MDNode *N = dyn_cast<MDNode>(MD)) { 677c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines switch (N->getMetadataID()) { 678c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines default: 679c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines llvm_unreachable("Invalid MDNode subclass"); 680c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines#define HANDLE_SPECIALIZED_MDNODE_LEAF(CLASS) 681c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines#define HANDLE_MDNODE_LEAF(CLASS) \ 682c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case Metadata::CLASS##Kind: \ 683c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Write##CLASS(cast<CLASS>(N), VE, Stream, Record, CLASS##Abbrev); \ 684c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines continue; 685c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines#include "llvm/IR/Metadata.def" 686c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 687d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 688c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (const auto *MDC = dyn_cast<ConstantAsMetadata>(MD)) { 689c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteValueAsMetadata(MDC, VE, Stream, Record); 690c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines continue; 691c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 692c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const MDString *MDS = cast<MDString>(MD); 693c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Code: [strchar x N] 694c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.append(MDS->bytes_begin(), MDS->bytes_end()); 695c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 696c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Emit the finished record. 697c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_STRING, Record, MDSAbbrev); 698c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.clear(); 699d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 700d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 701d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write named metadata. 702c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const NamedMDNode &NMD : M->named_metadata()) { 703d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write name. 704c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines StringRef Str = NMD.getName(); 705c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.append(Str.bytes_begin(), Str.bytes_end()); 706c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_NAME, Record, NameAbbrev); 707d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 708d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 709d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write named metadata operands. 710c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const MDNode *N : NMD.operands()) 711c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataID(N)); 712d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0); 713d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 714d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 715d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 716c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.ExitBlock(); 717d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 718d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 719d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteFunctionLocalMetadata(const Function &F, 720d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 721d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 722d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool StartedMetadataBlock = false; 723d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 724c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const SmallVectorImpl<const LocalAsMetadata *> &MDs = 725c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines VE.getFunctionLocalMDs(); 726c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (unsigned i = 0, e = MDs.size(); i != e; ++i) { 727c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines assert(MDs[i] && "Expected valid function-local metadata"); 728c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!StartedMetadataBlock) { 729c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 730c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines StartedMetadataBlock = true; 731c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 732c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteValueAsMetadata(MDs[i], VE, Stream, Record); 733c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 73423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 735d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (StartedMetadataBlock) 736d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 737d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 738d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 739d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteMetadataAttachment(const Function &F, 740d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 741d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 742d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3); 743d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 744d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 745d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 746d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write metadata attachments 747d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]] 748c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVector<std::pair<unsigned, MDNode *>, 4> MDs; 74923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 750d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 751d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 752d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) { 753d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines MDs.clear(); 754d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I->getAllMetadataOtherThanDebugLoc(MDs); 75523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 756d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If no metadata, ignore instruction. 757d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (MDs.empty()) continue; 758d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 7598f093e05e28046b6fc74175b66a06152f72e0c66Pirama Arumuga Nainar Record.push_back(VE.getInstructionID(&*I)); 76023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 761d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = MDs.size(); i != e; ++i) { 762d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(MDs[i].first); 763c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataID(MDs[i].second)); 764d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 765d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0); 766d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 767d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 768d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 769d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 770d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 771d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 772d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleMetadataStore(const Module *M, BitstreamWriter &Stream) { 773d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 774d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 775d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write metadata kinds 776d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // METADATA_KIND - [n x [id, name]] 777d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<StringRef, 4> Names; 778d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines M->getMDKindNames(Names); 77923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 780d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Names.empty()) return; 781d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 782d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 78323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 784d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned MDKindID = 0, e = Names.size(); MDKindID != e; ++MDKindID) { 785d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(MDKindID); 786d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines StringRef KName = Names[MDKindID]; 787d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.append(KName.begin(), KName.end()); 78823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 789d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::METADATA_KIND, Record, 0); 790d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 791d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 792d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 793d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 794d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 795d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 796c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic void emitSignedInt64(SmallVectorImpl<uint64_t> &Vals, uint64_t V) { 797c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if ((int64_t)V >= 0) 798c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(V << 1); 799c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines else 800c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back((-V << 1) | 1); 801d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 802d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 803d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteConstants(unsigned FirstVal, unsigned LastVal, 804d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 805d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream, bool isGlobal) { 806d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (FirstVal == LastVal) return; 807d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 808d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::CONSTANTS_BLOCK_ID, 4); 809d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 810d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AggregateAbbrev = 0; 811d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned String8Abbrev = 0; 812d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CString7Abbrev = 0; 813d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CString6Abbrev = 0; 814d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If this is a constant pool for the module, emit module-specific abbrevs. 815d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isGlobal) { 816d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_AGGREGATE. 817d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 818d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_AGGREGATE)); 819d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 820d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, Log2_32_Ceil(LastVal+1))); 821d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AggregateAbbrev = Stream.EmitAbbrev(Abbv); 822d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 823d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_STRING. 824d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 825d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_STRING)); 826d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 827d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 828d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines String8Abbrev = Stream.EmitAbbrev(Abbv); 829d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_CSTRING. 830d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 831d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 832d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 833d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 834d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CString7Abbrev = Stream.EmitAbbrev(Abbv); 835d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Abbrev for CST_CODE_CSTRING. 836d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv = new BitCodeAbbrev(); 837d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 838d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 839d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 840d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CString6Abbrev = Stream.EmitAbbrev(Abbv); 841d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 842d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 843d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<uint64_t, 64> Record; 844d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 845d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::ValueList &Vals = VE.getValues(); 846c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Type *LastTy = nullptr; 847d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = FirstVal; i != LastVal; ++i) { 848d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Value *V = Vals[i].first; 849d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If we need to switch types, do so now. 850d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (V->getType() != LastTy) { 851d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines LastTy = V->getType(); 852d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(LastTy)); 853d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::CST_CODE_SETTYPE, Record, 854d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CONSTANTS_SETTYPE_ABBREV); 855d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 856d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 857d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 858d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) { 859d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(unsigned(IA->hasSideEffects()) | 860d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned(IA->isAlignStack()) << 1 | 861d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned(IA->getDialect()&1) << 2); 862d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 863d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Add the asm string. 864d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const std::string &AsmStr = IA->getAsmString(); 865d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(AsmStr.size()); 866d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = AsmStr.size(); i != e; ++i) 867d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(AsmStr[i]); 868d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 869d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Add the constraint string. 870d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const std::string &ConstraintStr = IA->getConstraintString(); 871d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(ConstraintStr.size()); 872d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = ConstraintStr.size(); i != e; ++i) 873d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(ConstraintStr[i]); 874d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::CST_CODE_INLINEASM, Record); 875d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 876d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines continue; 877d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 878d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Constant *C = cast<Constant>(V); 879d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code = -1U; 880d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 881d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (C->isNullValue()) { 882d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_NULL; 883d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (isa<UndefValue>(C)) { 884d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_UNDEF; 885d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) { 886c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (IV->getBitWidth() <= 64) { 887c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines uint64_t V = IV->getSExtValue(); 888c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines emitSignedInt64(Record, V); 889c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Code = bitc::CST_CODE_INTEGER; 890c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines AbbrevToUse = CONSTANTS_INTEGER_ABBREV; 891c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } else { // Wide integers, > 64 bits in size. 892c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // We have an arbitrary precision integer value to write whose 893c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // bit width is > 64. However, in canonical unsigned integer 894c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // format it is likely that the high bits are going to be zero. 895c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // So, we only write the number of active words. 896c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned NWords = IV->getValue().getActiveWords(); 897c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const uint64_t *RawWords = IV->getValue().getRawData(); 898c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (unsigned i = 0; i != NWords; ++i) { 899c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines emitSignedInt64(Record, RawWords[i]); 900c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 901c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Code = bitc::CST_CODE_WIDE_INTEGER; 902c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 903d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C)) { 904d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_FLOAT; 905d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *Ty = CFP->getType(); 906d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Ty->isHalfTy() || Ty->isFloatTy() || Ty->isDoubleTy()) { 907d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(CFP->getValueAPF().bitcastToAPInt().getZExtValue()); 908d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (Ty->isX86_FP80Ty()) { 909d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // api needed to prevent premature destruction 910d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // bits are not in the same order as a normal i80 APInt, compensate. 911d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 912d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const uint64_t *p = api.getRawData(); 913d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back((p[1] << 48) | (p[0] >> 16)); 914d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(p[0] & 0xffffLL); 915d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (Ty->isFP128Ty() || Ty->isPPC_FP128Ty()) { 916d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 917d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const uint64_t *p = api.getRawData(); 918d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(p[0]); 919d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(p[1]); 920d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 921d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert (0 && "Unknown FP type!"); 922d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 923d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (isa<ConstantDataSequential>(C) && 924d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<ConstantDataSequential>(C)->isString()) { 925d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const ConstantDataSequential *Str = cast<ConstantDataSequential>(C); 926d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit constant strings specially. 927d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned NumElts = Str->getNumElements(); 928d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If this is a null-terminated string, use the denser CSTRING encoding. 929d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Str->isCString()) { 930d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CSTRING; 931d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines --NumElts; // Don't encode the null, which isn't allowed by char6. 932d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 933d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_STRING; 934d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = String8Abbrev; 935d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 936d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool isCStr7 = Code == bitc::CST_CODE_CSTRING; 937d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool isCStrChar6 = Code == bitc::CST_CODE_CSTRING; 938d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0; i != NumElts; ++i) { 939d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned char V = Str->getElementAsInteger(i); 940d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(V); 941d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isCStr7 &= (V & 128) == 0; 942d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isCStrChar6) 943d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isCStrChar6 = BitCodeAbbrevOp::isChar6(V); 944d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 94523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 946d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isCStrChar6) 947d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CString6Abbrev; 948d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (isCStr7) 949d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CString7Abbrev; 95023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines } else if (const ConstantDataSequential *CDS = 951d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines dyn_cast<ConstantDataSequential>(C)) { 952d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_DATA; 953d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Type *EltTy = CDS->getType()->getElementType(); 954d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isa<IntegerType>(EltTy)) { 955d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) 956d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(CDS->getElementAsInteger(i)); 957d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 95877c6e1975c9f75ca136d3c6701b95074a465c7d3Stephen Hines for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) 95977c6e1975c9f75ca136d3c6701b95074a465c7d3Stephen Hines Record.push_back( 96077c6e1975c9f75ca136d3c6701b95074a465c7d3Stephen Hines CDS->getElementAsAPFloat(i).bitcastToAPInt().getLimitedValue()); 961d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 962d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (isa<ConstantArray>(C) || isa<ConstantStruct>(C) || 963d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isa<ConstantVector>(C)) { 964d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_AGGREGATE; 965d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i) 966d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 967d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = AggregateAbbrev; 968d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) { 969d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (CE->getOpcode()) { 970d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: 971d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Instruction::isCast(CE->getOpcode())) { 972d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_CAST; 973d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(GetEncodedCastOpcode(CE->getOpcode())); 974d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 975d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 976d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = CONSTANTS_CE_CAST_Abbrev; 977d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 978d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(CE->getNumOperands() == 2 && "Unknown constant expr!"); 979d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_BINOP; 980d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(GetEncodedBinaryOpcode(CE->getOpcode())); 981d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 982d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 983d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t Flags = GetOptimizationFlags(CE); 984d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Flags != 0) 985d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(Flags); 986d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 987d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 988d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::GetElementPtr: 989d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_GEP; 990d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<GEPOperator>(C)->isInBounds()) 991d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_INBOUNDS_GEP; 992d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) { 993d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(i)->getType())); 994d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 995d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 996d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 997d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Select: 998d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_SELECT; 999d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 1000d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 1001d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 1002d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1003d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ExtractElement: 1004d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_EXTRACTELT; 1005d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 1006d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 1007d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 1008d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1009d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::InsertElement: 1010d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_INSERTELT; 1011d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 1012d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 1013d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 1014d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1015d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ShuffleVector: 1016d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the return type and argument types are the same, this is a 1017d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // standard shufflevector instruction. If the types are different, 1018d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // then the shuffle is widening or truncating the input vectors, and 1019d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // the argument type must also be encoded. 1020d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (C->getType() == C->getOperand(0)->getType()) { 1021d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_SHUFFLEVEC; 1022d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1023d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_SHUFVEC_EX; 1024d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 1025d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1026d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 1027d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 1028d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 1029d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1030d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ICmp: 1031d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FCmp: 1032d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_CE_CMP; 1033d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 1034d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 1035d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 1036d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(CE->getPredicate()); 1037d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1038d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1039d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C)) { 1040d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::CST_CODE_BLOCKADDRESS; 1041d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getTypeID(BA->getFunction()->getType())); 1042d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getValueID(BA->getFunction())); 1043d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.push_back(VE.getGlobalBasicBlockID(BA->getBasicBlock())); 1044d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1045d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#ifndef NDEBUG 1046d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines C->dump(); 1047d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines#endif 1048d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unknown constant!"); 1049d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1050d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Record, AbbrevToUse); 1051d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Record.clear(); 1052d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1053d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1054d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1055d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1056d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1057d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModuleConstants(const llvm_3_2::ValueEnumerator &VE, 1058d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1059d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator::ValueList &Vals = VE.getValues(); 1060d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1061d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Find the first constant to emit, which is the first non-globalvalue value. 1062d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // We know globalvalues have been emitted by WriteModuleInfo. 1063d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) { 1064d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!isa<GlobalValue>(Vals[i].first)) { 1065d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteConstants(i, Vals.size(), VE, Stream, true); 1066d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return; 1067d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1068d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1069d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1070d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1071d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// PushValueAndType - The file has to encode both the value and type id for 1072d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// many values, because we need to know what type to create for forward 1073d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// references. However, most operands are not forward references, so this type 1074d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// field is not needed. 1075d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// 1076d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// This function adds V's value ID to Vals. If the value ID is higher than the 1077d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// instruction ID, then it is a forward reference, and it also includes the 1078d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// type ID. 1079d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic bool PushValueAndType(const Value *V, unsigned InstID, 1080d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> &Vals, 1081d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator &VE) { 1082d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned ValID = VE.getValueID(V); 1083d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(ValID); 1084d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (ValID >= InstID) { 1085d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(V->getType())); 1086d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return true; 1087d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1088d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines return false; 1089d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1090d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1091d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteInstruction - Emit an instruction to the specified stream. 1092d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteInstruction(const Instruction &I, unsigned InstID, 1093d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_3_2::ValueEnumerator &VE, 1094d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream, 1095d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> &Vals) { 1096d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code = 0; 1097d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = 0; 1098d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.setInstructionID(&I); 1099d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines switch (I.getOpcode()) { 1100d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines default: 1101d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Instruction::isCast(I.getOpcode())) { 1102d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CAST; 1103d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 1104d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_CAST_ABBREV; 1105d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 1106d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedCastOpcode(I.getOpcode())); 1107d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1108d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(isa<BinaryOperator>(I) && "Unknown instruction!"); 1109d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_BINOP; 1110d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 1111d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_ABBREV; 1112d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1113d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedBinaryOpcode(I.getOpcode())); 1114d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint64_t Flags = GetOptimizationFlags(&I); 1115d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Flags != 0) { 1116d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (AbbrevToUse == FUNCTION_INST_BINOP_ABBREV) 1117d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_FLAGS_ABBREV; 1118d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Flags); 1119d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1120d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1121d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1122d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1123d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::GetElementPtr: 1124c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Code = bitc::FUNC_CODE_INST_GEP_OLD; 1125d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<GEPOperator>(&I)->isInBounds()) 1126c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Code = bitc::FUNC_CODE_INST_INBOUNDS_GEP_OLD; 1127d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 1128d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 1129d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1130d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ExtractValue: { 1131d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTVAL; 1132d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1133d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const ExtractValueInst *EVI = cast<ExtractValueInst>(&I); 1134d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const unsigned *i = EVI->idx_begin(), *e = EVI->idx_end(); i != e; ++i) 1135d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(*i); 1136d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1137d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1138d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::InsertValue: { 1139d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INSERTVAL; 1140d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1141d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 1142d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const InsertValueInst *IVI = cast<InsertValueInst>(&I); 1143d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const unsigned *i = IVI->idx_begin(), *e = IVI->idx_end(); i != e; ++i) 1144d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(*i); 1145d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1146d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1147d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Select: 1148d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_VSELECT; 1149d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 1150d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 1151d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1152d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1153d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ExtractElement: 1154d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTELT; 1155d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1156d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1157d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1158d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::InsertElement: 1159d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INSERTELT; 1160d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1161d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1162d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 1163d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1164d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ShuffleVector: 1165d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_SHUFFLEVEC; 1166d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1167d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1168d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 1169d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1170d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::ICmp: 1171d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::FCmp: 1172d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // compare returning Int1Ty or vector of Int1Ty 1173d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CMP2; 1174d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1175d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 1176d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<CmpInst>(I).getPredicate()); 1177d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1178d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1179d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Ret: 1180d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1181d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_RET; 1182d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned NumOperands = I.getNumOperands(); 1183d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (NumOperands == 0) 1184d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_RET_VOID_ABBREV; 1185d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (NumOperands == 1) { 1186d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 1187d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_RET_VAL_ABBREV; 1188d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1189d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = NumOperands; i != e; ++i) 1190d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 1191d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1192d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1193d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1194d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Br: 1195d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1196d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_BR; 11970da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines const BranchInst &II = cast<BranchInst>(I); 1198d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(0))); 1199d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (II.isConditional()) { 1200d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(1))); 1201d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II.getCondition())); 1202d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1203d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1204d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1205d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Switch: 1206d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1207d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_SWITCH; 12080da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines const SwitchInst &SI = cast<SwitchInst>(I); 120999d429070eb7c4c39fb7d74555031d518a4e0a79Stephen Hines Vals.push_back(VE.getTypeID(SI.getCondition()->getType())); 121099d429070eb7c4c39fb7d74555031d518a4e0a79Stephen Hines Vals.push_back(VE.getValueID(SI.getCondition())); 121199d429070eb7c4c39fb7d74555031d518a4e0a79Stephen Hines Vals.push_back(VE.getValueID(SI.getDefaultDest())); 12120da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines for (SwitchInst::ConstCaseIt i = SI.case_begin(), e = SI.case_end(); 1213d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines i != e; ++i) { 1214eeb251e8db802b836af7461d0f6eb1252c527ab8Stephen Hines Vals.push_back(VE.getValueID(i.getCaseValue())); 1215eeb251e8db802b836af7461d0f6eb1252c527ab8Stephen Hines Vals.push_back(VE.getValueID(i.getCaseSuccessor())); 1216d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1217d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1218d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1219d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::IndirectBr: 1220d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INDIRECTBR; 1221d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 1222d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 1223d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); 1224d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 122523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1226d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Invoke: { 1227d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const InvokeInst *II = cast<InvokeInst>(&I); 1228d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Value *Callee(II->getCalledValue()); 1229d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PointerType *PTy = cast<PointerType>(Callee->getType()); 1230d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 1231d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_INVOKE; 1232d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1233d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getAttributeID(II->getAttributes())); 1234d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(II->getCallingConv()); 1235d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II->getNormalDest())); 1236d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(II->getUnwindDest())); 1237d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(Callee, InstID, Vals, VE); 1238d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1239d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit value #'s for the fixed parameters. 1240d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 1241d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); // fixed param. 1242d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1243d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit type/value pairs for varargs params. 1244d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (FTy->isVarArg()) { 1245d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = FTy->getNumParams(), e = I.getNumOperands()-3; 1246d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines i != e; ++i) 1247d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); // vararg 1248d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1249d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1250d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1251d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Resume: 1252d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_RESUME; 1253d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1254d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1255d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Unreachable: 1256d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_UNREACHABLE; 1257d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_UNREACHABLE_ABBREV; 1258d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1259d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1260d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::PHI: { 1261d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const PHINode &PN = cast<PHINode>(I); 1262d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_PHI; 1263d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(PN.getType())); 1264d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) { 1265d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingValue(i))); 1266d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingBlock(i))); 1267d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1268d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1269d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1270d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1271d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::LandingPad: { 1272d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const LandingPadInst &LP = cast<LandingPadInst>(I); 12738f093e05e28046b6fc74175b66a06152f72e0c66Pirama Arumuga Nainar Code = bitc::FUNC_CODE_INST_LANDINGPAD_OLD; 1274d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(LP.getType())); 12758f093e05e28046b6fc74175b66a06152f72e0c66Pirama Arumuga Nainar // TODO (rebase): is this fix enough? 12768f093e05e28046b6fc74175b66a06152f72e0c66Pirama Arumuga Nainar // PushValueAndType(LP.getPersonalityFn(), InstID, Vals, VE); 1277d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LP.isCleanup()); 1278d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LP.getNumClauses()); 1279d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned I = 0, E = LP.getNumClauses(); I != E; ++I) { 1280d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (LP.isCatch(I)) 1281d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LandingPadInst::Catch); 1282d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 1283d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(LandingPadInst::Filter); 1284d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(LP.getClause(I), InstID, Vals, VE); 1285d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1286d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1287d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1288d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1289c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case Instruction::Alloca: { 1290d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_ALLOCA; 1291d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 1292d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 1293d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // size. 1294d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(cast<AllocaInst>(I).getAlignment())+1); 1295d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1296c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 1297d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1298d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Load: 1299d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<LoadInst>(I).isAtomic()) { 1300d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_LOADATOMIC; 1301d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 1302d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1303d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_LOAD; 1304d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) // ptr 1305d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = FUNCTION_INST_LOAD_ABBREV; 1306d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1307d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(cast<LoadInst>(I).getAlignment())+1); 1308d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<LoadInst>(I).isVolatile()); 1309d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<LoadInst>(I).isAtomic()) { 1310d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<LoadInst>(I).getOrdering())); 1311d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope(cast<LoadInst>(I).getSynchScope())); 1312d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1313d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1314d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Store: 1315d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<StoreInst>(I).isAtomic()) 1316d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_STOREATOMIC; 1317d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else 13181906a00dce8e32fe3bb8a957e333ebbbee0888e3Pirama Arumuga Nainar Code = bitc::FUNC_CODE_INST_STORE_OLD; 1319d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); // ptrty + ptr 1320d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // val. 1321d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); 1322d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<StoreInst>(I).isVolatile()); 1323d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (cast<StoreInst>(I).isAtomic()) { 1324d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<StoreInst>(I).getOrdering())); 1325d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope(cast<StoreInst>(I).getSynchScope())); 1326d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1327d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1328d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::AtomicCmpXchg: 1329d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CMPXCHG; 1330d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 1331d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // cmp. 1332d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); // newval. 1333d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<AtomicCmpXchgInst>(I).isVolatile()); 1334d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering( 1335c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines cast<AtomicCmpXchgInst>(I).getSuccessOrdering())); 1336d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope( 1337d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicCmpXchgInst>(I).getSynchScope())); 1338d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1339d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::AtomicRMW: 1340d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_ATOMICRMW; 1341d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 1342d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // val. 1343d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedRMWOperation( 1344d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicRMWInst>(I).getOperation())); 1345d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(cast<AtomicRMWInst>(I).isVolatile()); 1346d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<AtomicRMWInst>(I).getOrdering())); 1347d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope( 1348d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines cast<AtomicRMWInst>(I).getSynchScope())); 1349d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1350d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Fence: 1351d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_FENCE; 1352d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedOrdering(cast<FenceInst>(I).getOrdering())); 1353d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(GetEncodedSynchScope(cast<FenceInst>(I).getSynchScope())); 1354d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1355d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::Call: { 1356d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const CallInst &CI = cast<CallInst>(I); 1357d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PointerType *PTy = cast<PointerType>(CI.getCalledValue()->getType()); 1358d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 1359d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1360d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_CALL; 1361d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1362d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getAttributeID(CI.getAttributes())); 1363d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back((CI.getCallingConv() << 1) | unsigned(CI.isTailCall())); 1364d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(CI.getCalledValue(), InstID, Vals, VE); // Callee 1365d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1366d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit value #'s for the fixed parameters. 1367d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 1368d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(CI.getArgOperand(i))); // fixed param. 1369d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1370d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit type/value pairs for varargs params. 1371d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (FTy->isVarArg()) { 1372d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (unsigned i = FTy->getNumParams(), e = CI.getNumArgOperands(); 1373d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines i != e; ++i) 1374d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines PushValueAndType(CI.getArgOperand(i), InstID, Vals, VE); // varargs 1375d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1376d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1377d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1378d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines case Instruction::VAArg: 1379d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::FUNC_CODE_INST_VAARG; 1380d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); // valistty 1381d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // valist. 1382d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getTypeID(I.getType())); // restype. 1383d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; 1384d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1385d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1386d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 1387d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 1388d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1389d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1390d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit names for globals/functions etc. 1391d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteValueSymbolTable(const ValueSymbolTable &VST, 1392d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const llvm_3_2::ValueEnumerator &VE, 1393d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1394d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (VST.empty()) return; 1395d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 4); 1396d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1397d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FIXME: Set up the abbrev, we know how many values there are! 1398d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FIXME: We know if the type names can use 7-bit ascii. 1399d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> NameVals; 1400d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1401d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (ValueSymbolTable::const_iterator SI = VST.begin(), SE = VST.end(); 1402d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SI != SE; ++SI) { 1403d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1404d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const ValueName &Name = *SI; 1405d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1406d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Figure out the encoding to use for the name. 1407d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool is7Bit = true; 1408d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool isChar6 = true; 1409d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const char *C = Name.getKeyData(), *E = C+Name.getKeyLength(); 1410d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines C != E; ++C) { 1411d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isChar6) 1412d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines isChar6 = BitCodeAbbrevOp::isChar6(*C); 1413d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if ((unsigned char)*C & 128) { 1414d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines is7Bit = false; 1415d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines break; // don't bother scanning the rest. 1416d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1417d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1418d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1419d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned AbbrevToUse = VST_ENTRY_8_ABBREV; 1420d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1421d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VST_ENTRY: [valueid, namechar x N] 1422d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // VST_BBENTRY: [bbid, namechar x N] 1423d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Code; 1424d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isa<BasicBlock>(SI->getValue())) { 1425d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::VST_CODE_BBENTRY; 1426d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isChar6) 1427d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = VST_BBENTRY_6_ABBREV; 1428d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } else { 1429d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Code = bitc::VST_CODE_ENTRY; 1430d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (isChar6) 1431d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = VST_ENTRY_6_ABBREV; 1432d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (is7Bit) 1433d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines AbbrevToUse = VST_ENTRY_7_ABBREV; 1434d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1435d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1436d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NameVals.push_back(VE.getValueID(SI->getValue())); 1437d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (const char *P = Name.getKeyData(), 1438d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines *E = Name.getKeyData()+Name.getKeyLength(); P != E; ++P) 1439d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NameVals.push_back((unsigned char)*P); 1440d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1441d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the finished record. 1442d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(Code, NameVals, AbbrevToUse); 1443d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NameVals.clear(); 1444d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1445d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1446d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1447d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1448c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic void WriteUseList(llvm_3_2::ValueEnumerator &VE, UseListOrder &&Order, 1449c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitstreamWriter &Stream) { 1450c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines assert(Order.Shuffle.size() >= 2 && "Shuffle too small"); 1451c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned Code; 1452c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (isa<BasicBlock>(Order.V)) 1453c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Code = bitc::USELIST_CODE_BB; 1454c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines else 1455c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Code = bitc::USELIST_CODE_DEFAULT; 1456c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 1457c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVector<uint64_t, 64> Record; 1458c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (unsigned I : Order.Shuffle) 1459c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(I); 1460c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getValueID(Order.V)); 1461c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(Code, Record); 1462c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines} 1463c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 1464c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic void WriteUseListBlock(const Function *F, llvm_3_2::ValueEnumerator &VE, 1465c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitstreamWriter &Stream) { 1466c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines auto hasMore = [&]() { 1467c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return !VE.UseListOrders.empty() && VE.UseListOrders.back().F == F; 1468c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines }; 1469c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!hasMore()) 1470c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Nothing to do. 1471c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return; 1472c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 1473c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EnterSubblock(bitc::USELIST_BLOCK_ID, 3); 1474c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines while (hasMore()) { 1475c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteUseList(VE, std::move(VE.UseListOrders.back()), Stream); 1476c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines VE.UseListOrders.pop_back(); 1477c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 1478c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.ExitBlock(); 1479c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines} 1480c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 1481d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteFunction - Emit a function body to the module stream. 1482d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteFunction(const Function &F, llvm_3_2::ValueEnumerator &VE, 1483d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1484d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::FUNCTION_BLOCK_ID, 4); 1485d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.incorporateFunction(F); 1486d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1487d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines SmallVector<unsigned, 64> Vals; 1488d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1489d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the number of basic blocks, so the reader can create them ahead of 1490d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // time. 1491d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(VE.getBasicBlocks().size()); 1492d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DECLAREBLOCKS, Vals); 1493d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.clear(); 1494d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1495d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If there are function-local constants, emit them now. 1496d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CstStart, CstEnd; 1497d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.getFunctionConstantRange(CstStart, CstEnd); 1498d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteConstants(CstStart, CstEnd, VE, Stream, false); 1499d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1500d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If there is function-local metadata, emit it now. 1501d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteFunctionLocalMetadata(F, VE, Stream); 1502d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1503d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Keep a running idea of what the instruction ID is. 1504d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned InstID = CstEnd; 1505d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1506d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines bool NeedsMetadataAttachment = false; 150723c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 15081906a00dce8e32fe3bb8a957e333ebbbee0888e3Pirama Arumuga Nainar DILocation *LastDL = nullptr; 150923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1510d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Finally, emit all the instructions, in order. 1511d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 1512d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 1513d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines I != E; ++I) { 1514d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInstruction(*I, InstID, VE, Stream, Vals); 151523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1516d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!I->getType()->isVoidTy()) 1517d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines ++InstID; 151823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1519d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the instruction has metadata, write a metadata attachment later. 1520d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines NeedsMetadataAttachment |= I->hasMetadataOtherThanDebugLoc(); 152123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 1522d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the instruction has a debug location, emit it. 15231906a00dce8e32fe3bb8a957e333ebbbee0888e3Pirama Arumuga Nainar DILocation *DL = I->getDebugLoc(); 152421cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar if (!DL) 152521cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar continue; 152621cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar 152721cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar if (DL == LastDL) { 1528d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Just repeat the same debug loc as last time. 1529d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC_AGAIN, Vals); 153021cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar continue; 1531d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 153221cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar 153321cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.push_back(DL->getLine()); 153421cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.push_back(DL->getColumn()); 153521cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.push_back(VE.getMetadataOrNullID(DL->getScope())); 153621cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.push_back(VE.getMetadataOrNullID(DL->getInlinedAt())); 153721cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals); 153821cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.clear(); 153921cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar 154021cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar // Fixme(pirama): The following line is missing from upstream 154121cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar // https://llvm.org/bugs/show_bug.cgi?id=23436 154221cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar LastDL = DL; 1543d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1544d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1545d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit names for all the instructions etc. 1546d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteValueSymbolTable(F.getValueSymbolTable(), VE, Stream); 1547d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1548d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (NeedsMetadataAttachment) 1549d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteMetadataAttachment(F, VE, Stream); 155021cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar if (false) 1551c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteUseListBlock(&F, VE, Stream); 1552d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines VE.purgeFunction(); 1553d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1554d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1555d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1556d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines// Emit blockinfo, which defines the standard abbreviations etc. 1557d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteBlockInfo(const llvm_3_2::ValueEnumerator &VE, 1558d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter &Stream) { 1559d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // We only want to emit block info records for blocks that have multiple 1560d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. Other 1561d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // blocks can defined their abbrevs inline. 1562d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterBlockInfoBlock(2); 1563d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1564d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 8-bit fixed-width VST_ENTRY/VST_BBENTRY strings. 1565d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1566d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); 1567d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1568d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1569d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 1570d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1571d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_ENTRY_8_ABBREV) 1572d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1573d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1574d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1575d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 7-bit fixed width VST_ENTRY strings. 1576d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1577d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 1578d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1579d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1580d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 1581d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1582d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_ENTRY_7_ABBREV) 1583d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1584d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1585d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 6-bit char6 VST_ENTRY strings. 1586d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1587d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 1588d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1589d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1590d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 1591d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1592d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_ENTRY_6_ABBREV) 1593d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1594d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1595d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // 6-bit char6 VST_BBENTRY strings. 1596d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1597d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_BBENTRY)); 1598d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1599d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1600d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 1601d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 1602d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != VST_BBENTRY_6_ABBREV) 1603d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1604d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1605d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1606d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1607d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1608d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // SETTYPE abbrev for CONSTANTS_BLOCK. 1609d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1610d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_SETTYPE)); 1611d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1612d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 1613d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1614d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_SETTYPE_ABBREV) 1615d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1616d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1617d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1618d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INTEGER abbrev for CONSTANTS_BLOCK. 1619d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1620d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_INTEGER)); 1621d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 1622d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1623d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_INTEGER_ABBREV) 1624d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1625d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1626d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1627d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // CE_CAST abbrev for CONSTANTS_BLOCK. 1628d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1629d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CE_CAST)); 1630d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // cast opc 1631d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // typeid 1632d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 1633d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id 1634d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1635d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1636d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_CE_CAST_Abbrev) 1637d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1638d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1639d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // NULL abbrev for CONSTANTS_BLOCK. 1640d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1641d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_NULL)); 1642d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 1643d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != CONSTANTS_NULL_Abbrev) 1644d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1645d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1646d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1647d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // FIXME: This should only use space for first class types! 1648d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1649d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_LOAD abbrev for FUNCTION_BLOCK. 1650d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1651d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_LOAD)); 1652d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Ptr 1653d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // Align 1654d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // volatile 1655d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1656d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_LOAD_ABBREV) 1657d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1658d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1659d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_BINOP abbrev for FUNCTION_BLOCK. 1660d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1661d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 1662d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 1663d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 1664d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 1665d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1666d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_BINOP_ABBREV) 1667d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1668d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1669d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_BINOP_FLAGS abbrev for FUNCTION_BLOCK. 1670d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1671d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 1672d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 1673d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 1674d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 1675d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); // flags 1676d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1677d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_BINOP_FLAGS_ABBREV) 1678d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1679d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1680d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_CAST abbrev for FUNCTION_BLOCK. 1681d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1682d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_CAST)); 1683d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpVal 1684d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty 1685d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 1686d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 1687d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1688d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_CAST_ABBREV) 1689d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1690d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1691d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1692d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 1693d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1694d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 1695d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1696d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_RET_VOID_ABBREV) 1697d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1698d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1699d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 1700d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1701d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 1702d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ValID 1703d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1704d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_RET_VAL_ABBREV) 1705d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1706d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1707d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { // INST_UNREACHABLE abbrev for FUNCTION_BLOCK. 1708d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1709d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_UNREACHABLE)); 1710d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 1711d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Abbv) != FUNCTION_INST_UNREACHABLE_ABBREV) 1712d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 1713d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1714d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1715d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1716d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1717d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1718d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteModule - Emit the specified module to the bitstream. 1719d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteModule(const Module *M, BitstreamWriter &Stream) { 1720d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); 1721d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1722c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVector<unsigned, 1> Vals; 1723c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // TODO(srhines): RenderScript is always version 0 for now. 1724c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned CurVersion = 0; 1725d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (CurVersion) { 1726d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Vals.push_back(CurVersion); 1727d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_VERSION, Vals); 1728d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1729d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1730d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Analyze the module, enumerating globals, functions, etc. 1731c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines llvm_3_2::ValueEnumerator VE(*M); 1732d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1733d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit blockinfo, which defines the standard abbreviations etc. 1734d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteBlockInfo(VE, Stream); 1735d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1736d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit information about parameter attributes. 1737d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteAttributeTable(VE, Stream); 1738d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1739d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit information describing all of the types in the module. 1740d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteTypeTable(VE, Stream); 1741d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1742d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit top-level description of module, including target triple, inline asm, 1743d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // descriptors for global variables, and function prototype info. 1744d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleInfo(M, VE, Stream); 1745d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1746d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit constants. 1747d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleConstants(VE, Stream); 1748d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1749d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit metadata. 1750d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleMetadata(M, VE, Stream); 1751d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1752d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit metadata. 1753d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModuleMetadataStore(M, Stream); 1754d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1755d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit names for globals/functions etc. 1756d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteValueSymbolTable(M->getValueSymbolTable(), VE, Stream); 1757d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1758c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Emit module-level use-lists. 175921cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar if (false) 1760c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteUseListBlock(nullptr, VE, Stream); 1761d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1762d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit function bodies. 1763d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) 1764d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (!F->isDeclaration()) 1765d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteFunction(*F, VE, Stream); 1766d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1767d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.ExitBlock(); 1768d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1769d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1770d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// EmitDarwinBCHeader - If generating a bc file on darwin, we have to emit a 1771d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// header and trailer to make it compatible with the system archiver. To do 1772d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// this we emit the following header, and then emit a trailer that pads the 1773d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// file out to be a multiple of 16 bytes. 1774d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// 1775d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// struct bc_header { 1776d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t Magic; // 0x0B17C0DE 1777d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t Version; // Version, currently always 0. 1778d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t BitcodeOffset; // Offset to traditional bitcode file. 1779d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t BitcodeSize; // Size of traditional bitcode file. 1780d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// uint32_t CPUType; // CPU specifier. 1781d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// ... potentially more later ... 1782d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// }; 1783d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesenum { 1784d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DarwinBCSizeFieldOffset = 3*4, // Offset to bitcode_size. 1785d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DarwinBCHeaderSize = 5*4 1786d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines}; 1787d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1788d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void WriteInt32ToBuffer(uint32_t Value, SmallVectorImpl<char> &Buffer, 1789d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines uint32_t &Position) { 1790d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 0] = (unsigned char) (Value >> 0); 1791d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 1] = (unsigned char) (Value >> 8); 1792d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 2] = (unsigned char) (Value >> 16); 1793d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer[Position + 3] = (unsigned char) (Value >> 24); 1794d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Position += 4; 1795d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1796d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1797d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesstatic void EmitDarwinBCHeaderAndTrailer(SmallVectorImpl<char> &Buffer, 1798d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines const Triple &TT) { 1799d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned CPUType = ~0U; 1800d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1801d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Match x86_64-*, i[3-9]86-*, powerpc-*, powerpc64-*, arm-*, thumb-*, 1802d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // armv[0-9]-*, thumbv[0-9]-*, armv5te-*, or armv6t2-*. The CPUType is a magic 1803d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // number from /usr/include/mach/machine.h. It is ok to reproduce the 1804d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // specific constants here because they are implicitly part of the Darwin ABI. 1805d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines enum { 1806d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_ARCH_ABI64 = 0x01000000, 1807d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_TYPE_X86 = 7, 1808d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_TYPE_ARM = 12, 1809d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines DARWIN_CPU_TYPE_POWERPC = 18 1810d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines }; 1811d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1812d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Triple::ArchType Arch = TT.getArch(); 1813d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (Arch == Triple::x86_64) 1814d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_X86 | DARWIN_CPU_ARCH_ABI64; 1815d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::x86) 1816d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_X86; 1817d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::ppc) 1818d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC; 1819d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::ppc64) 1820d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC | DARWIN_CPU_ARCH_ABI64; 1821d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines else if (Arch == Triple::arm || Arch == Triple::thumb) 1822d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines CPUType = DARWIN_CPU_TYPE_ARM; 1823d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1824d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Traditional Bitcode starts after header. 1825d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines assert(Buffer.size() >= DarwinBCHeaderSize && 1826d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines "Expected header size to be reserved"); 1827d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned BCOffset = DarwinBCHeaderSize; 1828d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned BCSize = Buffer.size()-DarwinBCHeaderSize; 1829d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1830d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the magic and version. 1831d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines unsigned Position = 0; 1832d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(0x0B17C0DE , Buffer, Position); 1833d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(0 , Buffer, Position); // Version. 1834d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(BCOffset , Buffer, Position); 1835d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(BCSize , Buffer, Position); 1836d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteInt32ToBuffer(CPUType , Buffer, Position); 1837d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1838d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If the file is not a multiple of 16 bytes, insert dummy padding. 1839d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines while (Buffer.size() & 15) 1840d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer.push_back(0); 1841d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1842d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1843d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// WriteBitcodeToFile - Write the specified module to the specified output 1844d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines/// stream. 1845d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hinesvoid llvm_3_2::WriteBitcodeToFile(const Module *M, raw_ostream &Out) { 1846c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVector<char, 0> Buffer; 1847d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer.reserve(256*1024); 1848d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1849d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // If this is darwin or another generic macho target, reserve space for the 1850d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // header. 1851d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Triple TT(M->getTargetTriple()); 1852d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (TT.isOSDarwin()) 1853d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Buffer.insert(Buffer.begin(), DarwinBCHeaderSize, 0); 1854d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1855d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the module into the buffer. 1856d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines { 1857d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines BitstreamWriter Stream(Buffer); 1858d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1859d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the file header. 1860d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit((unsigned)'B', 8); 1861d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit((unsigned)'C', 8); 1862d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0x0, 4); 1863d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0xC, 4); 1864d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0xE, 4); 1865d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Stream.Emit(0xD, 4); 1866d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1867d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Emit the module. 1868d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines WriteModule(M, Stream); 1869d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines } 1870d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1871d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines if (TT.isOSDarwin()) 1872d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines EmitDarwinBCHeaderAndTrailer(Buffer, TT); 1873d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines 1874d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines // Write the generated bitstream to "Out". 1875d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines Out.write((char*)&Buffer.front(), Buffer.size()); 1876d711dec946b6408791ca59eb98e363ef04bbd4aaStephen Hines} 1877