BitcodeWriter.cpp revision 9b044ec938fd56355012851890c63974c8042c9f
19b044ec938fd56355012851890c63974c8042c9fStephen Hines//===--- Bitcode/Writer/BitcodeWriter.cpp - Bitcode Writer ----------------===// 29b044ec938fd56355012851890c63974c8042c9fStephen Hines// 39b044ec938fd56355012851890c63974c8042c9fStephen Hines// The LLVM Compiler Infrastructure 49b044ec938fd56355012851890c63974c8042c9fStephen Hines// 59b044ec938fd56355012851890c63974c8042c9fStephen Hines// This file is distributed under the University of Illinois Open Source 69b044ec938fd56355012851890c63974c8042c9fStephen Hines// License. See LICENSE.TXT for details. 79b044ec938fd56355012851890c63974c8042c9fStephen Hines// 89b044ec938fd56355012851890c63974c8042c9fStephen Hines//===----------------------------------------------------------------------===// 99b044ec938fd56355012851890c63974c8042c9fStephen Hines// 109b044ec938fd56355012851890c63974c8042c9fStephen Hines// Bitcode writer implementation. 119b044ec938fd56355012851890c63974c8042c9fStephen Hines// 129b044ec938fd56355012851890c63974c8042c9fStephen Hines//===----------------------------------------------------------------------===// 139b044ec938fd56355012851890c63974c8042c9fStephen Hines 149b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "ReaderWriter_2_9_func.h" 159b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Bitcode/BitstreamWriter.h" 169b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Bitcode/LLVMBitCodes.h" 179b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "ValueEnumerator.h" 189b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Constants.h" 199b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/DerivedTypes.h" 209b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/InlineAsm.h" 219b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Instructions.h" 229b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Module.h" 239b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Operator.h" 249b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/ValueSymbolTable.h" 259b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/ADT/Triple.h" 269b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Support/ErrorHandling.h" 279b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Support/MathExtras.h" 289b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Support/raw_ostream.h" 299b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Support/Program.h" 309b044ec938fd56355012851890c63974c8042c9fStephen Hines#include <cctype> 319b044ec938fd56355012851890c63974c8042c9fStephen Hines#include <map> 329b044ec938fd56355012851890c63974c8042c9fStephen Hinesusing namespace llvm; 339b044ec938fd56355012851890c63974c8042c9fStephen Hines 349b044ec938fd56355012851890c63974c8042c9fStephen Hines/// These are manifest constants used by the bitcode writer. They do not need to 359b044ec938fd56355012851890c63974c8042c9fStephen Hines/// be kept in sync with the reader, but need to be consistent within this file. 369b044ec938fd56355012851890c63974c8042c9fStephen Hinesenum { 379b044ec938fd56355012851890c63974c8042c9fStephen Hines CurVersion = 0, 389b044ec938fd56355012851890c63974c8042c9fStephen Hines 399b044ec938fd56355012851890c63974c8042c9fStephen Hines // VALUE_SYMTAB_BLOCK abbrev id's. 409b044ec938fd56355012851890c63974c8042c9fStephen Hines VST_ENTRY_8_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 419b044ec938fd56355012851890c63974c8042c9fStephen Hines VST_ENTRY_7_ABBREV, 429b044ec938fd56355012851890c63974c8042c9fStephen Hines VST_ENTRY_6_ABBREV, 439b044ec938fd56355012851890c63974c8042c9fStephen Hines VST_BBENTRY_6_ABBREV, 449b044ec938fd56355012851890c63974c8042c9fStephen Hines 459b044ec938fd56355012851890c63974c8042c9fStephen Hines // CONSTANTS_BLOCK abbrev id's. 469b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_SETTYPE_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 479b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_INTEGER_ABBREV, 489b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_CE_CAST_Abbrev, 499b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_NULL_Abbrev, 509b044ec938fd56355012851890c63974c8042c9fStephen Hines 519b044ec938fd56355012851890c63974c8042c9fStephen Hines // FUNCTION_BLOCK abbrev id's. 529b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_LOAD_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 539b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_BINOP_ABBREV, 549b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_BINOP_FLAGS_ABBREV, 559b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_CAST_ABBREV, 569b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_RET_VOID_ABBREV, 579b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_RET_VAL_ABBREV, 589b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_UNREACHABLE_ABBREV 599b044ec938fd56355012851890c63974c8042c9fStephen Hines}; 609b044ec938fd56355012851890c63974c8042c9fStephen Hines 619b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedCastOpcode(unsigned Opcode) { 629b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (Opcode) { 639b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown cast instruction!"); 649b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Trunc : return bitc::CAST_TRUNC; 659b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ZExt : return bitc::CAST_ZEXT; 669b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::SExt : return bitc::CAST_SEXT; 679b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FPToUI : return bitc::CAST_FPTOUI; 689b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FPToSI : return bitc::CAST_FPTOSI; 699b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::UIToFP : return bitc::CAST_UITOFP; 709b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::SIToFP : return bitc::CAST_SITOFP; 719b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FPTrunc : return bitc::CAST_FPTRUNC; 729b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FPExt : return bitc::CAST_FPEXT; 739b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::PtrToInt: return bitc::CAST_PTRTOINT; 749b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::IntToPtr: return bitc::CAST_INTTOPTR; 759b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::BitCast : return bitc::CAST_BITCAST; 769b044ec938fd56355012851890c63974c8042c9fStephen Hines } 779b044ec938fd56355012851890c63974c8042c9fStephen Hines} 789b044ec938fd56355012851890c63974c8042c9fStephen Hines 799b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedBinaryOpcode(unsigned Opcode) { 809b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (Opcode) { 819b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown binary instruction!"); 829b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Add: 839b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FAdd: return bitc::BINOP_ADD; 849b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Sub: 859b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FSub: return bitc::BINOP_SUB; 869b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Mul: 879b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FMul: return bitc::BINOP_MUL; 889b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::UDiv: return bitc::BINOP_UDIV; 899b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FDiv: 909b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::SDiv: return bitc::BINOP_SDIV; 919b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::URem: return bitc::BINOP_UREM; 929b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FRem: 939b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::SRem: return bitc::BINOP_SREM; 949b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Shl: return bitc::BINOP_SHL; 959b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::LShr: return bitc::BINOP_LSHR; 969b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::AShr: return bitc::BINOP_ASHR; 979b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::And: return bitc::BINOP_AND; 989b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Or: return bitc::BINOP_OR; 999b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Xor: return bitc::BINOP_XOR; 1009b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1019b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1029b044ec938fd56355012851890c63974c8042c9fStephen Hines 1039b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedRMWOperation(AtomicRMWInst::BinOp Op) { 1049b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (Op) { 1059b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown RMW operation!"); 1069b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Xchg: return bitc::RMW_XCHG; 1079b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Add: return bitc::RMW_ADD; 1089b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Sub: return bitc::RMW_SUB; 1099b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::And: return bitc::RMW_AND; 1109b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Nand: return bitc::RMW_NAND; 1119b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Or: return bitc::RMW_OR; 1129b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Xor: return bitc::RMW_XOR; 1139b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Max: return bitc::RMW_MAX; 1149b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Min: return bitc::RMW_MIN; 1159b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::UMax: return bitc::RMW_UMAX; 1169b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::UMin: return bitc::RMW_UMIN; 1179b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1189b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1199b044ec938fd56355012851890c63974c8042c9fStephen Hines 1209b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedOrdering(AtomicOrdering Ordering) { 1219b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (Ordering) { 1229b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown atomic ordering"); 1239b044ec938fd56355012851890c63974c8042c9fStephen Hines case NotAtomic: return bitc::ORDERING_NOTATOMIC; 1249b044ec938fd56355012851890c63974c8042c9fStephen Hines case Unordered: return bitc::ORDERING_UNORDERED; 1259b044ec938fd56355012851890c63974c8042c9fStephen Hines case Monotonic: return bitc::ORDERING_MONOTONIC; 1269b044ec938fd56355012851890c63974c8042c9fStephen Hines case Acquire: return bitc::ORDERING_ACQUIRE; 1279b044ec938fd56355012851890c63974c8042c9fStephen Hines case Release: return bitc::ORDERING_RELEASE; 1289b044ec938fd56355012851890c63974c8042c9fStephen Hines case AcquireRelease: return bitc::ORDERING_ACQREL; 1299b044ec938fd56355012851890c63974c8042c9fStephen Hines case SequentiallyConsistent: return bitc::ORDERING_SEQCST; 1309b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1319b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1329b044ec938fd56355012851890c63974c8042c9fStephen Hines 1339b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedSynchScope(SynchronizationScope SynchScope) { 1349b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (SynchScope) { 1359b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown synchronization scope"); 1369b044ec938fd56355012851890c63974c8042c9fStephen Hines case SingleThread: return bitc::SYNCHSCOPE_SINGLETHREAD; 1379b044ec938fd56355012851890c63974c8042c9fStephen Hines case CrossThread: return bitc::SYNCHSCOPE_CROSSTHREAD; 1389b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1399b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1409b044ec938fd56355012851890c63974c8042c9fStephen Hines 1419b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteStringRecord(unsigned Code, StringRef Str, 1429b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse, BitstreamWriter &Stream) { 1439b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> Vals; 1449b044ec938fd56355012851890c63974c8042c9fStephen Hines 1459b044ec938fd56355012851890c63974c8042c9fStephen Hines // Code: [strchar x N] 1469b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = Str.size(); i != e; ++i) { 1479b044ec938fd56355012851890c63974c8042c9fStephen Hines if (AbbrevToUse && !BitCodeAbbrevOp::isChar6(Str[i])) 1489b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = 0; 1499b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Str[i]); 1509b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1519b044ec938fd56355012851890c63974c8042c9fStephen Hines 1529b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the finished record. 1539b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 1549b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1559b044ec938fd56355012851890c63974c8042c9fStephen Hines 1569b044ec938fd56355012851890c63974c8042c9fStephen Hines// Emit information about parameter attributes. 1579b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteAttributeTable(const ValueEnumerator &VE, 1589b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 1599b044ec938fd56355012851890c63974c8042c9fStephen Hines const std::vector<AttrListPtr> &Attrs = VE.getAttributes(); 1609b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Attrs.empty()) return; 1619b044ec938fd56355012851890c63974c8042c9fStephen Hines 1629b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::PARAMATTR_BLOCK_ID, 3); 1639b044ec938fd56355012851890c63974c8042c9fStephen Hines 1649b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 1659b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = Attrs.size(); i != e; ++i) { 1669b044ec938fd56355012851890c63974c8042c9fStephen Hines const AttrListPtr &A = Attrs[i]; 1679b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) { 1689b044ec938fd56355012851890c63974c8042c9fStephen Hines const AttributeWithIndex &PAWI = A.getSlot(i); 1699b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(PAWI.Index); 1709b044ec938fd56355012851890c63974c8042c9fStephen Hines 1719b044ec938fd56355012851890c63974c8042c9fStephen Hines // FIXME: remove in LLVM 3.0 1729b044ec938fd56355012851890c63974c8042c9fStephen Hines // Store the alignment in the bitcode as a 16-bit raw value instead of a 1739b044ec938fd56355012851890c63974c8042c9fStephen Hines // 5-bit log2 encoded value. Shift the bits above the alignment up by 1749b044ec938fd56355012851890c63974c8042c9fStephen Hines // 11 bits. 1759b044ec938fd56355012851890c63974c8042c9fStephen Hines uint64_t FauxAttr = PAWI.Attrs & 0xffff; 1769b044ec938fd56355012851890c63974c8042c9fStephen Hines if (PAWI.Attrs & Attribute::Alignment) 1779b044ec938fd56355012851890c63974c8042c9fStephen Hines FauxAttr |= (1ull<<16)<<(((PAWI.Attrs & Attribute::Alignment)-1) >> 16); 1789b044ec938fd56355012851890c63974c8042c9fStephen Hines FauxAttr |= (PAWI.Attrs & (0x3FFull << 21)) << 11; 1799b044ec938fd56355012851890c63974c8042c9fStephen Hines 1809b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(FauxAttr); 1819b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1829b044ec938fd56355012851890c63974c8042c9fStephen Hines 1839b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::PARAMATTR_CODE_ENTRY, Record); 1849b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 1859b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1869b044ec938fd56355012851890c63974c8042c9fStephen Hines 1879b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 1889b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1899b044ec938fd56355012851890c63974c8042c9fStephen Hines 1909b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteTypeTable - Write out the type table for a module. 1919b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) { 1929b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator::TypeList &TypeList = VE.getTypes(); 1939b044ec938fd56355012851890c63974c8042c9fStephen Hines 1949b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::TYPE_BLOCK_ID_NEW, 4 /*count from # abbrevs */); 1959b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> TypeVals; 1969b044ec938fd56355012851890c63974c8042c9fStephen Hines 1979b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_POINTER. 1989b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1999b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_POINTER)); 2009b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2019b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 2029b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); // Addrspace = 0 2039b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned PtrAbbrev = Stream.EmitAbbrev(Abbv); 2049b044ec938fd56355012851890c63974c8042c9fStephen Hines 2059b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_FUNCTION. 2069b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2079b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_FUNCTION_OLD)); 2089b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isvararg 2099b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); // FIXME: DEAD value, remove in LLVM 3.0 2109b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 2119b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2129b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 2139b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned FunctionAbbrev = Stream.EmitAbbrev(Abbv); 2149b044ec938fd56355012851890c63974c8042c9fStephen Hines 2159b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_STRUCT_ANON. 2169b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2179b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_ANON)); 2189b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 2199b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 2209b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2219b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 2229b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned StructAnonAbbrev = Stream.EmitAbbrev(Abbv); 2239b044ec938fd56355012851890c63974c8042c9fStephen Hines 2249b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAME. 2259b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2269b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAME)); 2279b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 2289b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 2299b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned StructNameAbbrev = Stream.EmitAbbrev(Abbv); 2309b044ec938fd56355012851890c63974c8042c9fStephen Hines 2319b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAMED. 2329b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2339b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAMED)); 2349b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 2359b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 2369b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2379b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 2389b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned StructNamedAbbrev = Stream.EmitAbbrev(Abbv); 2399b044ec938fd56355012851890c63974c8042c9fStephen Hines 2409b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_ARRAY. 2419b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2429b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_ARRAY)); 2439b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // size 2449b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2459b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 2469b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned ArrayAbbrev = Stream.EmitAbbrev(Abbv); 2479b044ec938fd56355012851890c63974c8042c9fStephen Hines 2489b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit an entry count so the reader can reserve space. 2499b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(TypeList.size()); 2509b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::TYPE_CODE_NUMENTRY, TypeVals); 2519b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.clear(); 2529b044ec938fd56355012851890c63974c8042c9fStephen Hines 2539b044ec938fd56355012851890c63974c8042c9fStephen Hines // Loop over all of the types, emitting each in turn. 2549b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = TypeList.size(); i != e; ++i) { 2559b044ec938fd56355012851890c63974c8042c9fStephen Hines Type *T = TypeList[i]; 2569b044ec938fd56355012851890c63974c8042c9fStephen Hines int AbbrevToUse = 0; 2579b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned Code = 0; 2589b044ec938fd56355012851890c63974c8042c9fStephen Hines 2599b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (T->getTypeID()) { 2609b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown type!"); 2619b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::VoidTyID: Code = bitc::TYPE_CODE_VOID; break; 2629b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::FloatTyID: Code = bitc::TYPE_CODE_FLOAT; break; 2639b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::DoubleTyID: Code = bitc::TYPE_CODE_DOUBLE; break; 2649b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::X86_FP80TyID: Code = bitc::TYPE_CODE_X86_FP80; break; 2659b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::FP128TyID: Code = bitc::TYPE_CODE_FP128; break; 2669b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::PPC_FP128TyID: Code = bitc::TYPE_CODE_PPC_FP128; break; 2679b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::LabelTyID: Code = bitc::TYPE_CODE_LABEL; break; 2689b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::MetadataTyID: Code = bitc::TYPE_CODE_METADATA; break; 2699b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::X86_MMXTyID: Code = bitc::TYPE_CODE_X86_MMX; break; 2709b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::IntegerTyID: 2719b044ec938fd56355012851890c63974c8042c9fStephen Hines // INTEGER: [width] 2729b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_INTEGER; 2739b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(cast<IntegerType>(T)->getBitWidth()); 2749b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 2759b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::PointerTyID: { 2769b044ec938fd56355012851890c63974c8042c9fStephen Hines PointerType *PTy = cast<PointerType>(T); 2779b044ec938fd56355012851890c63974c8042c9fStephen Hines // POINTER: [pointee type, address space] 2789b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_POINTER; 2799b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(PTy->getElementType())); 2809b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AddressSpace = PTy->getAddressSpace(); 2819b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(AddressSpace); 2829b044ec938fd56355012851890c63974c8042c9fStephen Hines if (AddressSpace == 0) AbbrevToUse = PtrAbbrev; 2839b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 2849b044ec938fd56355012851890c63974c8042c9fStephen Hines } 2859b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::FunctionTyID: { 2869b044ec938fd56355012851890c63974c8042c9fStephen Hines FunctionType *FT = cast<FunctionType>(T); 2879b044ec938fd56355012851890c63974c8042c9fStephen Hines // FUNCTION: [isvararg, attrid, retty, paramty x N] 2889b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_FUNCTION_OLD; 2899b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(FT->isVarArg()); 2909b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(0); // FIXME: DEAD: remove in llvm 3.0 2919b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(FT->getReturnType())); 2929b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) 2939b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(FT->getParamType(i))); 2949b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FunctionAbbrev; 2959b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 2969b044ec938fd56355012851890c63974c8042c9fStephen Hines } 2979b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::StructTyID: { 2989b044ec938fd56355012851890c63974c8042c9fStephen Hines StructType *ST = cast<StructType>(T); 2999b044ec938fd56355012851890c63974c8042c9fStephen Hines // STRUCT: [ispacked, eltty x N] 3009b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(ST->isPacked()); 3019b044ec938fd56355012851890c63974c8042c9fStephen Hines // Output all of the element types. 3029b044ec938fd56355012851890c63974c8042c9fStephen Hines for (StructType::element_iterator I = ST->element_begin(), 3039b044ec938fd56355012851890c63974c8042c9fStephen Hines E = ST->element_end(); I != E; ++I) 3049b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(*I)); 3059b044ec938fd56355012851890c63974c8042c9fStephen Hines 3069b044ec938fd56355012851890c63974c8042c9fStephen Hines if (ST->isLiteral()) { 3079b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_STRUCT_ANON; 3089b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = StructAnonAbbrev; 3099b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 3109b044ec938fd56355012851890c63974c8042c9fStephen Hines if (ST->isOpaque()) { 3119b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_OPAQUE; 3129b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 3139b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_STRUCT_NAMED; 3149b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = StructNamedAbbrev; 3159b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3169b044ec938fd56355012851890c63974c8042c9fStephen Hines 3179b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the name if it is present. 3189b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!ST->getName().empty()) 3199b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::TYPE_CODE_STRUCT_NAME, ST->getName(), 3209b044ec938fd56355012851890c63974c8042c9fStephen Hines StructNameAbbrev, Stream); 3219b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3229b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 3239b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3249b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::ArrayTyID: { 3259b044ec938fd56355012851890c63974c8042c9fStephen Hines ArrayType *AT = cast<ArrayType>(T); 3269b044ec938fd56355012851890c63974c8042c9fStephen Hines // ARRAY: [numelts, eltty] 3279b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_ARRAY; 3289b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(AT->getNumElements()); 3299b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(AT->getElementType())); 3309b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = ArrayAbbrev; 3319b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 3329b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3339b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::VectorTyID: { 3349b044ec938fd56355012851890c63974c8042c9fStephen Hines VectorType *VT = cast<VectorType>(T); 3359b044ec938fd56355012851890c63974c8042c9fStephen Hines // VECTOR [numelts, eltty] 3369b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_VECTOR; 3379b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VT->getNumElements()); 3389b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(VT->getElementType())); 3399b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 3409b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3419b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3429b044ec938fd56355012851890c63974c8042c9fStephen Hines 3439b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the finished record. 3449b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, TypeVals, AbbrevToUse); 3459b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.clear(); 3469b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3479b044ec938fd56355012851890c63974c8042c9fStephen Hines 3489b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 3499b044ec938fd56355012851890c63974c8042c9fStephen Hines} 3509b044ec938fd56355012851890c63974c8042c9fStephen Hines 3519b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned getEncodedLinkage(const GlobalValue *GV) { 3529b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (GV->getLinkage()) { 3539b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Invalid linkage!"); 3549b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::ExternalLinkage: return 0; 3559b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::WeakAnyLinkage: return 1; 3569b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::AppendingLinkage: return 2; 3579b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::InternalLinkage: return 3; 3589b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::LinkOnceAnyLinkage: return 4; 3599b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::DLLImportLinkage: return 5; 3609b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::DLLExportLinkage: return 6; 3619b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::ExternalWeakLinkage: return 7; 3629b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::CommonLinkage: return 8; 3639b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::PrivateLinkage: return 9; 3649b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::WeakODRLinkage: return 10; 3659b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::LinkOnceODRLinkage: return 11; 3669b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::AvailableExternallyLinkage: return 12; 3679b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::LinkerPrivateLinkage: return 13; 3689b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::LinkerPrivateWeakLinkage: return 14; 3699b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::LinkerPrivateWeakDefAutoLinkage: return 15; 3709b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3719b044ec938fd56355012851890c63974c8042c9fStephen Hines} 3729b044ec938fd56355012851890c63974c8042c9fStephen Hines 3739b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned getEncodedVisibility(const GlobalValue *GV) { 3749b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (GV->getVisibility()) { 3759b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Invalid visibility!"); 3769b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::DefaultVisibility: return 0; 3779b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::HiddenVisibility: return 1; 3789b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::ProtectedVisibility: return 2; 3799b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3809b044ec938fd56355012851890c63974c8042c9fStephen Hines} 3819b044ec938fd56355012851890c63974c8042c9fStephen Hines 3829b044ec938fd56355012851890c63974c8042c9fStephen Hines// Emit top-level description of module, including target triple, inline asm, 3839b044ec938fd56355012851890c63974c8042c9fStephen Hines// descriptors for global variables, and function prototype info. 3849b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteModuleInfo(const Module *M, const ValueEnumerator &VE, 3859b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 3869b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the list of dependent libraries for the Module. 3879b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Module::lib_iterator I = M->lib_begin(), E = M->lib_end(); I != E; ++I) 3889b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::MODULE_CODE_DEPLIB, *I, 0/*TODO*/, Stream); 3899b044ec938fd56355012851890c63974c8042c9fStephen Hines 3909b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit various pieces of data attached to a module. 3919b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!M->getTargetTriple().empty()) 3929b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::MODULE_CODE_TRIPLE, M->getTargetTriple(), 3939b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 3949b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!M->getDataLayout().empty()) 3959b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::MODULE_CODE_DATALAYOUT, M->getDataLayout(), 3969b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 3979b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!M->getModuleInlineAsm().empty()) 3989b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::MODULE_CODE_ASM, M->getModuleInlineAsm(), 3999b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 4009b044ec938fd56355012851890c63974c8042c9fStephen Hines 4019b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit information about sections and GC, computing how many there are. Also 4029b044ec938fd56355012851890c63974c8042c9fStephen Hines // compute the maximum alignment value. 4039b044ec938fd56355012851890c63974c8042c9fStephen Hines std::map<std::string, unsigned> SectionMap; 4049b044ec938fd56355012851890c63974c8042c9fStephen Hines std::map<std::string, unsigned> GCMap; 4059b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned MaxAlignment = 0; 4069b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned MaxGlobalType = 0; 4079b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Module::const_global_iterator GV = M->global_begin(),E = M->global_end(); 4089b044ec938fd56355012851890c63974c8042c9fStephen Hines GV != E; ++GV) { 4099b044ec938fd56355012851890c63974c8042c9fStephen Hines MaxAlignment = std::max(MaxAlignment, GV->getAlignment()); 4109b044ec938fd56355012851890c63974c8042c9fStephen Hines MaxGlobalType = std::max(MaxGlobalType, VE.getTypeID(GV->getType())); 4119b044ec938fd56355012851890c63974c8042c9fStephen Hines if (GV->hasSection()) { 4129b044ec938fd56355012851890c63974c8042c9fStephen Hines // Give section names unique ID's. 4139b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned &Entry = SectionMap[GV->getSection()]; 4149b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!Entry) { 4159b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, GV->getSection(), 4169b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 4179b044ec938fd56355012851890c63974c8042c9fStephen Hines Entry = SectionMap.size(); 4189b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4199b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4209b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4219b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) { 4229b044ec938fd56355012851890c63974c8042c9fStephen Hines MaxAlignment = std::max(MaxAlignment, F->getAlignment()); 4239b044ec938fd56355012851890c63974c8042c9fStephen Hines if (F->hasSection()) { 4249b044ec938fd56355012851890c63974c8042c9fStephen Hines // Give section names unique ID's. 4259b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned &Entry = SectionMap[F->getSection()]; 4269b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!Entry) { 4279b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, F->getSection(), 4289b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 4299b044ec938fd56355012851890c63974c8042c9fStephen Hines Entry = SectionMap.size(); 4309b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4319b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4329b044ec938fd56355012851890c63974c8042c9fStephen Hines if (F->hasGC()) { 4339b044ec938fd56355012851890c63974c8042c9fStephen Hines // Same for GC names. 4349b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned &Entry = GCMap[F->getGC()]; 4359b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!Entry) { 4369b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::MODULE_CODE_GCNAME, F->getGC(), 4379b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 4389b044ec938fd56355012851890c63974c8042c9fStephen Hines Entry = GCMap.size(); 4399b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4409b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4419b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4429b044ec938fd56355012851890c63974c8042c9fStephen Hines 4439b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit abbrev for globals, now that we know # sections and max alignment. 4449b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned SimpleGVarAbbrev = 0; 4459b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!M->global_empty()) { 4469b044ec938fd56355012851890c63974c8042c9fStephen Hines // Add an abbrev for common globals with no visibility or thread localness. 4479b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 4489b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_GLOBALVAR)); 4499b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4509b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(MaxGlobalType+1))); 4519b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Constant. 4529b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Initializer. 4539b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // Linkage. 4549b044ec938fd56355012851890c63974c8042c9fStephen Hines if (MaxAlignment == 0) // Alignment. 4559b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 4569b044ec938fd56355012851890c63974c8042c9fStephen Hines else { 4579b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned MaxEncAlignment = Log2_32(MaxAlignment)+1; 4589b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4599b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(MaxEncAlignment+1))); 4609b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4619b044ec938fd56355012851890c63974c8042c9fStephen Hines if (SectionMap.empty()) // Section. 4629b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 4639b044ec938fd56355012851890c63974c8042c9fStephen Hines else 4649b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4659b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(SectionMap.size()+1))); 4669b044ec938fd56355012851890c63974c8042c9fStephen Hines // Don't bother emitting vis + thread local. 4679b044ec938fd56355012851890c63974c8042c9fStephen Hines SimpleGVarAbbrev = Stream.EmitAbbrev(Abbv); 4689b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4699b044ec938fd56355012851890c63974c8042c9fStephen Hines 4709b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the global variable information. 4719b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> Vals; 4729b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Module::const_global_iterator GV = M->global_begin(),E = M->global_end(); 4739b044ec938fd56355012851890c63974c8042c9fStephen Hines GV != E; ++GV) { 4749b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 4759b044ec938fd56355012851890c63974c8042c9fStephen Hines 4769b044ec938fd56355012851890c63974c8042c9fStephen Hines // GLOBALVAR: [type, isconst, initid, 4779b044ec938fd56355012851890c63974c8042c9fStephen Hines // linkage, alignment, section, visibility, threadlocal, 4789b044ec938fd56355012851890c63974c8042c9fStephen Hines // unnamed_addr] 4799b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(GV->getType())); 4809b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GV->isConstant()); 4819b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GV->isDeclaration() ? 0 : 4829b044ec938fd56355012851890c63974c8042c9fStephen Hines (VE.getValueID(GV->getInitializer()) + 1)); 4839b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedLinkage(GV)); 4849b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Log2_32(GV->getAlignment())+1); 4859b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GV->hasSection() ? SectionMap[GV->getSection()] : 0); 4869b044ec938fd56355012851890c63974c8042c9fStephen Hines if (GV->isThreadLocal() || 4879b044ec938fd56355012851890c63974c8042c9fStephen Hines GV->getVisibility() != GlobalValue::DefaultVisibility || 4889b044ec938fd56355012851890c63974c8042c9fStephen Hines GV->hasUnnamedAddr()) { 4899b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedVisibility(GV)); 4909b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GV->isThreadLocal()); 4919b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GV->hasUnnamedAddr()); 4929b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 4939b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = SimpleGVarAbbrev; 4949b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4959b044ec938fd56355012851890c63974c8042c9fStephen Hines 4969b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_GLOBALVAR, Vals, AbbrevToUse); 4979b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 4989b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4999b044ec938fd56355012851890c63974c8042c9fStephen Hines 5009b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the function proto information. 5019b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) { 5029b044ec938fd56355012851890c63974c8042c9fStephen Hines // FUNCTION: [type, callingconv, isproto, paramattr, 5039b044ec938fd56355012851890c63974c8042c9fStephen Hines // linkage, alignment, section, visibility, gc, unnamed_addr] 5049b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(F->getType())); 5059b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(F->getCallingConv()); 5069b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(F->isDeclaration()); 5079b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedLinkage(F)); 5089b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getAttributeID(F->getAttributes())); 5099b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Log2_32(F->getAlignment())+1); 5109b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(F->hasSection() ? SectionMap[F->getSection()] : 0); 5119b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedVisibility(F)); 5129b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(F->hasGC() ? GCMap[F->getGC()] : 0); 5139b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(F->hasUnnamedAddr()); 5149b044ec938fd56355012851890c63974c8042c9fStephen Hines 5159b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 5169b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse); 5179b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 5189b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5199b044ec938fd56355012851890c63974c8042c9fStephen Hines 5209b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the alias information. 5219b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Module::const_alias_iterator AI = M->alias_begin(), E = M->alias_end(); 5229b044ec938fd56355012851890c63974c8042c9fStephen Hines AI != E; ++AI) { 5239b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(AI->getType())); 5249b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(AI->getAliasee())); 5259b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedLinkage(AI)); 5269b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedVisibility(AI)); 5279b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 5289b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_ALIAS, Vals, AbbrevToUse); 5299b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 5309b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5319b044ec938fd56355012851890c63974c8042c9fStephen Hines} 5329b044ec938fd56355012851890c63974c8042c9fStephen Hines 5339b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic uint64_t GetOptimizationFlags(const Value *V) { 5349b044ec938fd56355012851890c63974c8042c9fStephen Hines uint64_t Flags = 0; 5359b044ec938fd56355012851890c63974c8042c9fStephen Hines 5369b044ec938fd56355012851890c63974c8042c9fStephen Hines if (const OverflowingBinaryOperator *OBO = 5379b044ec938fd56355012851890c63974c8042c9fStephen Hines dyn_cast<OverflowingBinaryOperator>(V)) { 5389b044ec938fd56355012851890c63974c8042c9fStephen Hines if (OBO->hasNoSignedWrap()) 5399b044ec938fd56355012851890c63974c8042c9fStephen Hines Flags |= 1 << bitc::OBO_NO_SIGNED_WRAP; 5409b044ec938fd56355012851890c63974c8042c9fStephen Hines if (OBO->hasNoUnsignedWrap()) 5419b044ec938fd56355012851890c63974c8042c9fStephen Hines Flags |= 1 << bitc::OBO_NO_UNSIGNED_WRAP; 5429b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const PossiblyExactOperator *PEO = 5439b044ec938fd56355012851890c63974c8042c9fStephen Hines dyn_cast<PossiblyExactOperator>(V)) { 5449b044ec938fd56355012851890c63974c8042c9fStephen Hines if (PEO->isExact()) 5459b044ec938fd56355012851890c63974c8042c9fStephen Hines Flags |= 1 << bitc::PEO_EXACT; 5469b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5479b044ec938fd56355012851890c63974c8042c9fStephen Hines 5489b044ec938fd56355012851890c63974c8042c9fStephen Hines return Flags; 5499b044ec938fd56355012851890c63974c8042c9fStephen Hines} 5509b044ec938fd56355012851890c63974c8042c9fStephen Hines 5519b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteMDNode(const MDNode *N, 5529b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator &VE, 5539b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream, 5549b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> &Record) { 5559b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 5569b044ec938fd56355012851890c63974c8042c9fStephen Hines if (N->getOperand(i)) { 5579b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(N->getOperand(i)->getType())); 5589b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(N->getOperand(i))); 5599b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 5609b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(Type::getVoidTy(N->getContext()))); 5619b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(0); 5629b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5639b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5649b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned MDCode = N->isFunctionLocal() ? bitc::METADATA_FN_NODE : 5659b044ec938fd56355012851890c63974c8042c9fStephen Hines bitc::METADATA_NODE; 5669b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(MDCode, Record, 0); 5679b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 5689b044ec938fd56355012851890c63974c8042c9fStephen Hines} 5699b044ec938fd56355012851890c63974c8042c9fStephen Hines 5709b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteModuleMetadata(const Module *M, 5719b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator &VE, 5729b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 5739b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator::ValueList &Vals = VE.getMDValues(); 5749b044ec938fd56355012851890c63974c8042c9fStephen Hines bool StartedMetadataBlock = false; 5759b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned MDSAbbrev = 0; 5769b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 5779b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) { 5789b044ec938fd56355012851890c63974c8042c9fStephen Hines 5799b044ec938fd56355012851890c63974c8042c9fStephen Hines if (const MDNode *N = dyn_cast<MDNode>(Vals[i].first)) { 5809b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!N->isFunctionLocal() || !N->getFunction()) { 5819b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!StartedMetadataBlock) { 5829b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 5839b044ec938fd56355012851890c63974c8042c9fStephen Hines StartedMetadataBlock = true; 5849b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5859b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteMDNode(N, VE, Stream, Record); 5869b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5879b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const MDString *MDS = dyn_cast<MDString>(Vals[i].first)) { 5889b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!StartedMetadataBlock) { 5899b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 5909b044ec938fd56355012851890c63974c8042c9fStephen Hines 5919b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for METADATA_STRING. 5929b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 5939b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_STRING)); 5949b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 5959b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 5969b044ec938fd56355012851890c63974c8042c9fStephen Hines MDSAbbrev = Stream.EmitAbbrev(Abbv); 5979b044ec938fd56355012851890c63974c8042c9fStephen Hines StartedMetadataBlock = true; 5989b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5999b044ec938fd56355012851890c63974c8042c9fStephen Hines 6009b044ec938fd56355012851890c63974c8042c9fStephen Hines // Code: [strchar x N] 6019b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.append(MDS->begin(), MDS->end()); 6029b044ec938fd56355012851890c63974c8042c9fStephen Hines 6039b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the finished record. 6049b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::METADATA_STRING, Record, MDSAbbrev); 6059b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 6069b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6079b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6089b044ec938fd56355012851890c63974c8042c9fStephen Hines 6099b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write named metadata. 6109b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Module::const_named_metadata_iterator I = M->named_metadata_begin(), 6119b044ec938fd56355012851890c63974c8042c9fStephen Hines E = M->named_metadata_end(); I != E; ++I) { 6129b044ec938fd56355012851890c63974c8042c9fStephen Hines const NamedMDNode *NMD = I; 6139b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!StartedMetadataBlock) { 6149b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 6159b044ec938fd56355012851890c63974c8042c9fStephen Hines StartedMetadataBlock = true; 6169b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6179b044ec938fd56355012851890c63974c8042c9fStephen Hines 6189b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write name. 6199b044ec938fd56355012851890c63974c8042c9fStephen Hines StringRef Str = NMD->getName(); 6209b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = Str.size(); i != e; ++i) 6219b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(Str[i]); 6229b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::METADATA_NAME, Record, 0/*TODO*/); 6239b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 6249b044ec938fd56355012851890c63974c8042c9fStephen Hines 6259b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write named metadata operands. 6269b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) 6279b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(NMD->getOperand(i))); 6289b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0); 6299b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 6309b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6319b044ec938fd56355012851890c63974c8042c9fStephen Hines 6329b044ec938fd56355012851890c63974c8042c9fStephen Hines if (StartedMetadataBlock) 6339b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 6349b044ec938fd56355012851890c63974c8042c9fStephen Hines} 6359b044ec938fd56355012851890c63974c8042c9fStephen Hines 6369b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteFunctionLocalMetadata(const Function &F, 6379b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator &VE, 6389b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 6399b044ec938fd56355012851890c63974c8042c9fStephen Hines bool StartedMetadataBlock = false; 6409b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 6419b044ec938fd56355012851890c63974c8042c9fStephen Hines const SmallVector<const MDNode *, 8> &Vals = VE.getFunctionLocalMDValues(); 6429b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) 6439b044ec938fd56355012851890c63974c8042c9fStephen Hines if (const MDNode *N = Vals[i]) 6449b044ec938fd56355012851890c63974c8042c9fStephen Hines if (N->isFunctionLocal() && N->getFunction() == &F) { 6459b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!StartedMetadataBlock) { 6469b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 6479b044ec938fd56355012851890c63974c8042c9fStephen Hines StartedMetadataBlock = true; 6489b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6499b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteMDNode(N, VE, Stream, Record); 6509b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6519b044ec938fd56355012851890c63974c8042c9fStephen Hines 6529b044ec938fd56355012851890c63974c8042c9fStephen Hines if (StartedMetadataBlock) 6539b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 6549b044ec938fd56355012851890c63974c8042c9fStephen Hines} 6559b044ec938fd56355012851890c63974c8042c9fStephen Hines 6569b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteMetadataAttachment(const Function &F, 6579b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator &VE, 6589b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 6599b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3); 6609b044ec938fd56355012851890c63974c8042c9fStephen Hines 6619b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 6629b044ec938fd56355012851890c63974c8042c9fStephen Hines 6639b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write metadata attachments 6649b044ec938fd56355012851890c63974c8042c9fStephen Hines // METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]] 6659b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<std::pair<unsigned, MDNode*>, 4> MDs; 6669b044ec938fd56355012851890c63974c8042c9fStephen Hines 6679b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 6689b044ec938fd56355012851890c63974c8042c9fStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 6699b044ec938fd56355012851890c63974c8042c9fStephen Hines I != E; ++I) { 6709b044ec938fd56355012851890c63974c8042c9fStephen Hines MDs.clear(); 6719b044ec938fd56355012851890c63974c8042c9fStephen Hines I->getAllMetadataOtherThanDebugLoc(MDs); 6729b044ec938fd56355012851890c63974c8042c9fStephen Hines 6739b044ec938fd56355012851890c63974c8042c9fStephen Hines // If no metadata, ignore instruction. 6749b044ec938fd56355012851890c63974c8042c9fStephen Hines if (MDs.empty()) continue; 6759b044ec938fd56355012851890c63974c8042c9fStephen Hines 6769b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getInstructionID(I)); 6779b044ec938fd56355012851890c63974c8042c9fStephen Hines 6789b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = MDs.size(); i != e; ++i) { 6799b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(MDs[i].first); 6809b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(MDs[i].second)); 6819b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6829b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0); 6839b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 6849b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6859b044ec938fd56355012851890c63974c8042c9fStephen Hines 6869b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 6879b044ec938fd56355012851890c63974c8042c9fStephen Hines} 6889b044ec938fd56355012851890c63974c8042c9fStephen Hines 6899b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteModuleMetadataStore(const Module *M, BitstreamWriter &Stream) { 6909b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 6919b044ec938fd56355012851890c63974c8042c9fStephen Hines 6929b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write metadata kinds 6939b044ec938fd56355012851890c63974c8042c9fStephen Hines // METADATA_KIND - [n x [id, name]] 6949b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<StringRef, 4> Names; 6959b044ec938fd56355012851890c63974c8042c9fStephen Hines M->getMDKindNames(Names); 6969b044ec938fd56355012851890c63974c8042c9fStephen Hines 6979b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Names.empty()) return; 6989b044ec938fd56355012851890c63974c8042c9fStephen Hines 6999b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 7009b044ec938fd56355012851890c63974c8042c9fStephen Hines 7019b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned MDKindID = 0, e = Names.size(); MDKindID != e; ++MDKindID) { 7029b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(MDKindID); 7039b044ec938fd56355012851890c63974c8042c9fStephen Hines StringRef KName = Names[MDKindID]; 7049b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.append(KName.begin(), KName.end()); 7059b044ec938fd56355012851890c63974c8042c9fStephen Hines 7069b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::METADATA_KIND, Record, 0); 7079b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 7089b044ec938fd56355012851890c63974c8042c9fStephen Hines } 7099b044ec938fd56355012851890c63974c8042c9fStephen Hines 7109b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 7119b044ec938fd56355012851890c63974c8042c9fStephen Hines} 7129b044ec938fd56355012851890c63974c8042c9fStephen Hines 7139b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteConstants(unsigned FirstVal, unsigned LastVal, 7149b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator &VE, 7159b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream, bool isGlobal) { 7169b044ec938fd56355012851890c63974c8042c9fStephen Hines if (FirstVal == LastVal) return; 7179b044ec938fd56355012851890c63974c8042c9fStephen Hines 7189b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::CONSTANTS_BLOCK_ID, 4); 7199b044ec938fd56355012851890c63974c8042c9fStephen Hines 7209b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AggregateAbbrev = 0; 7219b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned String8Abbrev = 0; 7229b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned CString7Abbrev = 0; 7239b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned CString6Abbrev = 0; 7249b044ec938fd56355012851890c63974c8042c9fStephen Hines // If this is a constant pool for the module, emit module-specific abbrevs. 7259b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isGlobal) { 7269b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for CST_CODE_AGGREGATE. 7279b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 7289b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_AGGREGATE)); 7299b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 7309b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, Log2_32_Ceil(LastVal+1))); 7319b044ec938fd56355012851890c63974c8042c9fStephen Hines AggregateAbbrev = Stream.EmitAbbrev(Abbv); 7329b044ec938fd56355012851890c63974c8042c9fStephen Hines 7339b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for CST_CODE_STRING. 7349b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 7359b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_STRING)); 7369b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 7379b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 7389b044ec938fd56355012851890c63974c8042c9fStephen Hines String8Abbrev = Stream.EmitAbbrev(Abbv); 7399b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for CST_CODE_CSTRING. 7409b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 7419b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 7429b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 7439b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 7449b044ec938fd56355012851890c63974c8042c9fStephen Hines CString7Abbrev = Stream.EmitAbbrev(Abbv); 7459b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for CST_CODE_CSTRING. 7469b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 7479b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 7489b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 7499b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 7509b044ec938fd56355012851890c63974c8042c9fStephen Hines CString6Abbrev = Stream.EmitAbbrev(Abbv); 7519b044ec938fd56355012851890c63974c8042c9fStephen Hines } 7529b044ec938fd56355012851890c63974c8042c9fStephen Hines 7539b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 7549b044ec938fd56355012851890c63974c8042c9fStephen Hines 7559b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator::ValueList &Vals = VE.getValues(); 7569b044ec938fd56355012851890c63974c8042c9fStephen Hines Type *LastTy = 0; 7579b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = FirstVal; i != LastVal; ++i) { 7589b044ec938fd56355012851890c63974c8042c9fStephen Hines const Value *V = Vals[i].first; 7599b044ec938fd56355012851890c63974c8042c9fStephen Hines // If we need to switch types, do so now. 7609b044ec938fd56355012851890c63974c8042c9fStephen Hines if (V->getType() != LastTy) { 7619b044ec938fd56355012851890c63974c8042c9fStephen Hines LastTy = V->getType(); 7629b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(LastTy)); 7639b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::CST_CODE_SETTYPE, Record, 7649b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_SETTYPE_ABBREV); 7659b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 7669b044ec938fd56355012851890c63974c8042c9fStephen Hines } 7679b044ec938fd56355012851890c63974c8042c9fStephen Hines 7689b044ec938fd56355012851890c63974c8042c9fStephen Hines if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) { 7699b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(unsigned(IA->hasSideEffects()) | 7709b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned(IA->isAlignStack()) << 1); 7719b044ec938fd56355012851890c63974c8042c9fStephen Hines 7729b044ec938fd56355012851890c63974c8042c9fStephen Hines // Add the asm string. 7739b044ec938fd56355012851890c63974c8042c9fStephen Hines const std::string &AsmStr = IA->getAsmString(); 7749b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(AsmStr.size()); 7759b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = AsmStr.size(); i != e; ++i) 7769b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(AsmStr[i]); 7779b044ec938fd56355012851890c63974c8042c9fStephen Hines 7789b044ec938fd56355012851890c63974c8042c9fStephen Hines // Add the constraint string. 7799b044ec938fd56355012851890c63974c8042c9fStephen Hines const std::string &ConstraintStr = IA->getConstraintString(); 7809b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(ConstraintStr.size()); 7819b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = ConstraintStr.size(); i != e; ++i) 7829b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(ConstraintStr[i]); 7839b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::CST_CODE_INLINEASM, Record); 7849b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 7859b044ec938fd56355012851890c63974c8042c9fStephen Hines continue; 7869b044ec938fd56355012851890c63974c8042c9fStephen Hines } 7879b044ec938fd56355012851890c63974c8042c9fStephen Hines const Constant *C = cast<Constant>(V); 7889b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned Code = -1U; 7899b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 7909b044ec938fd56355012851890c63974c8042c9fStephen Hines if (C->isNullValue()) { 7919b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_NULL; 7929b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (isa<UndefValue>(C)) { 7939b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_UNDEF; 7949b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) { 7959b044ec938fd56355012851890c63974c8042c9fStephen Hines if (IV->getBitWidth() <= 64) { 7969b044ec938fd56355012851890c63974c8042c9fStephen Hines uint64_t V = IV->getSExtValue(); 7979b044ec938fd56355012851890c63974c8042c9fStephen Hines if ((int64_t)V >= 0) 7989b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(V << 1); 7999b044ec938fd56355012851890c63974c8042c9fStephen Hines else 8009b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back((-V << 1) | 1); 8019b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_INTEGER; 8029b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = CONSTANTS_INTEGER_ABBREV; 8039b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { // Wide integers, > 64 bits in size. 8049b044ec938fd56355012851890c63974c8042c9fStephen Hines // We have an arbitrary precision integer value to write whose 8059b044ec938fd56355012851890c63974c8042c9fStephen Hines // bit width is > 64. However, in canonical unsigned integer 8069b044ec938fd56355012851890c63974c8042c9fStephen Hines // format it is likely that the high bits are going to be zero. 8079b044ec938fd56355012851890c63974c8042c9fStephen Hines // So, we only write the number of active words. 8089b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned NWords = IV->getValue().getActiveWords(); 8099b044ec938fd56355012851890c63974c8042c9fStephen Hines const uint64_t *RawWords = IV->getValue().getRawData(); 8109b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0; i != NWords; ++i) { 8119b044ec938fd56355012851890c63974c8042c9fStephen Hines int64_t V = RawWords[i]; 8129b044ec938fd56355012851890c63974c8042c9fStephen Hines if (V >= 0) 8139b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(V << 1); 8149b044ec938fd56355012851890c63974c8042c9fStephen Hines else 8159b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back((-V << 1) | 1); 8169b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8179b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_WIDE_INTEGER; 8189b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8199b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C)) { 8209b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_FLOAT; 8219b044ec938fd56355012851890c63974c8042c9fStephen Hines Type *Ty = CFP->getType(); 8229b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Ty->isFloatTy() || Ty->isDoubleTy()) { 8239b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(CFP->getValueAPF().bitcastToAPInt().getZExtValue()); 8249b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (Ty->isX86_FP80Ty()) { 8259b044ec938fd56355012851890c63974c8042c9fStephen Hines // api needed to prevent premature destruction 8269b044ec938fd56355012851890c63974c8042c9fStephen Hines // bits are not in the same order as a normal i80 APInt, compensate. 8279b044ec938fd56355012851890c63974c8042c9fStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 8289b044ec938fd56355012851890c63974c8042c9fStephen Hines const uint64_t *p = api.getRawData(); 8299b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back((p[1] << 48) | (p[0] >> 16)); 8309b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(p[0] & 0xffffLL); 8319b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (Ty->isFP128Ty() || Ty->isPPC_FP128Ty()) { 8329b044ec938fd56355012851890c63974c8042c9fStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 8339b044ec938fd56355012851890c63974c8042c9fStephen Hines const uint64_t *p = api.getRawData(); 8349b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(p[0]); 8359b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(p[1]); 8369b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 8379b044ec938fd56355012851890c63974c8042c9fStephen Hines assert (0 && "Unknown FP type!"); 8389b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8399b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (isa<ConstantArray>(C) && cast<ConstantArray>(C)->isString()) { 8409b044ec938fd56355012851890c63974c8042c9fStephen Hines const ConstantArray *CA = cast<ConstantArray>(C); 8419b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit constant strings specially. 8429b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned NumOps = CA->getNumOperands(); 8439b044ec938fd56355012851890c63974c8042c9fStephen Hines // If this is a null-terminated string, use the denser CSTRING encoding. 8449b044ec938fd56355012851890c63974c8042c9fStephen Hines if (CA->getOperand(NumOps-1)->isNullValue()) { 8459b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CSTRING; 8469b044ec938fd56355012851890c63974c8042c9fStephen Hines --NumOps; // Don't encode the null, which isn't allowed by char6. 8479b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 8489b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_STRING; 8499b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = String8Abbrev; 8509b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8519b044ec938fd56355012851890c63974c8042c9fStephen Hines bool isCStr7 = Code == bitc::CST_CODE_CSTRING; 8529b044ec938fd56355012851890c63974c8042c9fStephen Hines bool isCStrChar6 = Code == bitc::CST_CODE_CSTRING; 8539b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0; i != NumOps; ++i) { 8549b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned char V = cast<ConstantInt>(CA->getOperand(i))->getZExtValue(); 8559b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(V); 8569b044ec938fd56355012851890c63974c8042c9fStephen Hines isCStr7 &= (V & 128) == 0; 8579b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isCStrChar6) 8589b044ec938fd56355012851890c63974c8042c9fStephen Hines isCStrChar6 = BitCodeAbbrevOp::isChar6(V); 8599b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8609b044ec938fd56355012851890c63974c8042c9fStephen Hines 8619b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isCStrChar6) 8629b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = CString6Abbrev; 8639b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (isCStr7) 8649b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = CString7Abbrev; 8659b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (isa<ConstantArray>(C) || isa<ConstantStruct>(V) || 8669b044ec938fd56355012851890c63974c8042c9fStephen Hines isa<ConstantVector>(V)) { 8679b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_AGGREGATE; 8689b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i) 8699b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 8709b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = AggregateAbbrev; 8719b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) { 8729b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (CE->getOpcode()) { 8739b044ec938fd56355012851890c63974c8042c9fStephen Hines default: 8749b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Instruction::isCast(CE->getOpcode())) { 8759b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_CAST; 8769b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(GetEncodedCastOpcode(CE->getOpcode())); 8779b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 8789b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 8799b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = CONSTANTS_CE_CAST_Abbrev; 8809b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 8819b044ec938fd56355012851890c63974c8042c9fStephen Hines assert(CE->getNumOperands() == 2 && "Unknown constant expr!"); 8829b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_BINOP; 8839b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(GetEncodedBinaryOpcode(CE->getOpcode())); 8849b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 8859b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 8869b044ec938fd56355012851890c63974c8042c9fStephen Hines uint64_t Flags = GetOptimizationFlags(CE); 8879b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Flags != 0) 8889b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(Flags); 8899b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8909b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 8919b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::GetElementPtr: 8929b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_GEP; 8939b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<GEPOperator>(C)->isInBounds()) 8949b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_INBOUNDS_GEP; 8959b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) { 8969b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(i)->getType())); 8979b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 8989b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8999b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9009b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Select: 9019b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_SELECT; 9029b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9039b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9049b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 9059b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9069b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ExtractElement: 9079b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_EXTRACTELT; 9089b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 9099b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9109b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9119b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9129b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::InsertElement: 9139b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_INSERTELT; 9149b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9159b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9169b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 9179b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9189b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ShuffleVector: 9199b044ec938fd56355012851890c63974c8042c9fStephen Hines // If the return type and argument types are the same, this is a 9209b044ec938fd56355012851890c63974c8042c9fStephen Hines // standard shufflevector instruction. If the types are different, 9219b044ec938fd56355012851890c63974c8042c9fStephen Hines // then the shuffle is widening or truncating the input vectors, and 9229b044ec938fd56355012851890c63974c8042c9fStephen Hines // the argument type must also be encoded. 9239b044ec938fd56355012851890c63974c8042c9fStephen Hines if (C->getType() == C->getOperand(0)->getType()) { 9249b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_SHUFFLEVEC; 9259b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 9269b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_SHUFVEC_EX; 9279b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 9289b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9299b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9309b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9319b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 9329b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9339b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ICmp: 9349b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FCmp: 9359b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_CMP; 9369b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 9379b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9389b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9399b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(CE->getPredicate()); 9409b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9419b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9429b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C)) { 9439b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_BLOCKADDRESS; 9449b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(BA->getFunction()->getType())); 9459b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(BA->getFunction())); 9469b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getGlobalBasicBlockID(BA->getBasicBlock())); 9479b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 9489b044ec938fd56355012851890c63974c8042c9fStephen Hines#ifndef NDEBUG 9499b044ec938fd56355012851890c63974c8042c9fStephen Hines C->dump(); 9509b044ec938fd56355012851890c63974c8042c9fStephen Hines#endif 9519b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unknown constant!"); 9529b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9539b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, Record, AbbrevToUse); 9549b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 9559b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9569b044ec938fd56355012851890c63974c8042c9fStephen Hines 9579b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 9589b044ec938fd56355012851890c63974c8042c9fStephen Hines} 9599b044ec938fd56355012851890c63974c8042c9fStephen Hines 9609b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteModuleConstants(const ValueEnumerator &VE, 9619b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 9629b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator::ValueList &Vals = VE.getValues(); 9639b044ec938fd56355012851890c63974c8042c9fStephen Hines 9649b044ec938fd56355012851890c63974c8042c9fStephen Hines // Find the first constant to emit, which is the first non-globalvalue value. 9659b044ec938fd56355012851890c63974c8042c9fStephen Hines // We know globalvalues have been emitted by WriteModuleInfo. 9669b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) { 9679b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!isa<GlobalValue>(Vals[i].first)) { 9689b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteConstants(i, Vals.size(), VE, Stream, true); 9699b044ec938fd56355012851890c63974c8042c9fStephen Hines return; 9709b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9719b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9729b044ec938fd56355012851890c63974c8042c9fStephen Hines} 9739b044ec938fd56355012851890c63974c8042c9fStephen Hines 9749b044ec938fd56355012851890c63974c8042c9fStephen Hines/// PushValueAndType - The file has to encode both the value and type id for 9759b044ec938fd56355012851890c63974c8042c9fStephen Hines/// many values, because we need to know what type to create for forward 9769b044ec938fd56355012851890c63974c8042c9fStephen Hines/// references. However, most operands are not forward references, so this type 9779b044ec938fd56355012851890c63974c8042c9fStephen Hines/// field is not needed. 9789b044ec938fd56355012851890c63974c8042c9fStephen Hines/// 9799b044ec938fd56355012851890c63974c8042c9fStephen Hines/// This function adds V's value ID to Vals. If the value ID is higher than the 9809b044ec938fd56355012851890c63974c8042c9fStephen Hines/// instruction ID, then it is a forward reference, and it also includes the 9819b044ec938fd56355012851890c63974c8042c9fStephen Hines/// type ID. 9829b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic bool PushValueAndType(const Value *V, unsigned InstID, 9839b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> &Vals, 9849b044ec938fd56355012851890c63974c8042c9fStephen Hines ValueEnumerator &VE) { 9859b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned ValID = VE.getValueID(V); 9869b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(ValID); 9879b044ec938fd56355012851890c63974c8042c9fStephen Hines if (ValID >= InstID) { 9889b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(V->getType())); 9899b044ec938fd56355012851890c63974c8042c9fStephen Hines return true; 9909b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9919b044ec938fd56355012851890c63974c8042c9fStephen Hines return false; 9929b044ec938fd56355012851890c63974c8042c9fStephen Hines} 9939b044ec938fd56355012851890c63974c8042c9fStephen Hines 9949b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteInstruction - Emit an instruction to the specified stream. 9959b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteInstruction(const Instruction &I, unsigned InstID, 9969b044ec938fd56355012851890c63974c8042c9fStephen Hines ValueEnumerator &VE, BitstreamWriter &Stream, 9979b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> &Vals) { 9989b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned Code = 0; 9999b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 10009b044ec938fd56355012851890c63974c8042c9fStephen Hines VE.setInstructionID(&I); 10019b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (I.getOpcode()) { 10029b044ec938fd56355012851890c63974c8042c9fStephen Hines default: 10039b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Instruction::isCast(I.getOpcode())) { 10049b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_CAST; 10059b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 10069b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_CAST_ABBREV; 10079b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 10089b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedCastOpcode(I.getOpcode())); 10099b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 10109b044ec938fd56355012851890c63974c8042c9fStephen Hines assert(isa<BinaryOperator>(I) && "Unknown instruction!"); 10119b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_BINOP; 10129b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 10139b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_ABBREV; 10149b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 10159b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedBinaryOpcode(I.getOpcode())); 10169b044ec938fd56355012851890c63974c8042c9fStephen Hines uint64_t Flags = GetOptimizationFlags(&I); 10179b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Flags != 0) { 10189b044ec938fd56355012851890c63974c8042c9fStephen Hines if (AbbrevToUse == FUNCTION_INST_BINOP_ABBREV) 10199b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_FLAGS_ABBREV; 10209b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Flags); 10219b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10229b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10239b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10249b044ec938fd56355012851890c63974c8042c9fStephen Hines 10259b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::GetElementPtr: 10269b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_GEP; 10279b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<GEPOperator>(&I)->isInBounds()) 10289b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_INBOUNDS_GEP; 10299b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 10309b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 10319b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10329b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ExtractValue: { 10339b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTVAL; 10349b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 10359b044ec938fd56355012851890c63974c8042c9fStephen Hines const ExtractValueInst *EVI = cast<ExtractValueInst>(&I); 10369b044ec938fd56355012851890c63974c8042c9fStephen Hines for (const unsigned *i = EVI->idx_begin(), *e = EVI->idx_end(); i != e; ++i) 10379b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(*i); 10389b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10399b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10409b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::InsertValue: { 10419b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_INSERTVAL; 10429b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 10439b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 10449b044ec938fd56355012851890c63974c8042c9fStephen Hines const InsertValueInst *IVI = cast<InsertValueInst>(&I); 10459b044ec938fd56355012851890c63974c8042c9fStephen Hines for (const unsigned *i = IVI->idx_begin(), *e = IVI->idx_end(); i != e; ++i) 10469b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(*i); 10479b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10489b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10499b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Select: 10509b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_VSELECT; 10519b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 10529b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 10539b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 10549b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10559b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ExtractElement: 10569b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTELT; 10579b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 10589b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 10599b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10609b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::InsertElement: 10619b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_INSERTELT; 10629b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 10639b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 10649b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 10659b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10669b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ShuffleVector: 10679b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_SHUFFLEVEC; 10689b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 10699b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 10709b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 10719b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10729b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ICmp: 10739b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FCmp: 10749b044ec938fd56355012851890c63974c8042c9fStephen Hines // compare returning Int1Ty or vector of Int1Ty 10759b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_CMP2; 10769b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 10779b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 10789b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<CmpInst>(I).getPredicate()); 10799b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10809b044ec938fd56355012851890c63974c8042c9fStephen Hines 10819b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Ret: 10829b044ec938fd56355012851890c63974c8042c9fStephen Hines { 10839b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_RET; 10849b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned NumOperands = I.getNumOperands(); 10859b044ec938fd56355012851890c63974c8042c9fStephen Hines if (NumOperands == 0) 10869b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_RET_VOID_ABBREV; 10879b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (NumOperands == 1) { 10889b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 10899b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_RET_VAL_ABBREV; 10909b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 10919b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = NumOperands; i != e; ++i) 10929b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 10939b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10949b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10959b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10969b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Br: 10979b044ec938fd56355012851890c63974c8042c9fStephen Hines { 10989b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_BR; 10999b044ec938fd56355012851890c63974c8042c9fStephen Hines BranchInst &II = cast<BranchInst>(I); 11009b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(0))); 11019b044ec938fd56355012851890c63974c8042c9fStephen Hines if (II.isConditional()) { 11029b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(1))); 11039b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II.getCondition())); 11049b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11059b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11069b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11079b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Switch: 11089b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_SWITCH; 11099b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 11109b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 11119b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); 11129b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11139b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::IndirectBr: 11149b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_INDIRECTBR; 11159b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 11169b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 11179b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); 11189b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11199b044ec938fd56355012851890c63974c8042c9fStephen Hines 11209b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Invoke: { 11219b044ec938fd56355012851890c63974c8042c9fStephen Hines const InvokeInst *II = cast<InvokeInst>(&I); 11229b044ec938fd56355012851890c63974c8042c9fStephen Hines const Value *Callee(II->getCalledValue()); 11239b044ec938fd56355012851890c63974c8042c9fStephen Hines PointerType *PTy = cast<PointerType>(Callee->getType()); 11249b044ec938fd56355012851890c63974c8042c9fStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 11259b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_INVOKE; 11269b044ec938fd56355012851890c63974c8042c9fStephen Hines 11279b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getAttributeID(II->getAttributes())); 11289b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(II->getCallingConv()); 11299b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II->getNormalDest())); 11309b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II->getUnwindDest())); 11319b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(Callee, InstID, Vals, VE); 11329b044ec938fd56355012851890c63974c8042c9fStephen Hines 11339b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit value #'s for the fixed parameters. 11349b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 11359b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); // fixed param. 11369b044ec938fd56355012851890c63974c8042c9fStephen Hines 11379b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit type/value pairs for varargs params. 11389b044ec938fd56355012851890c63974c8042c9fStephen Hines if (FTy->isVarArg()) { 11399b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = FTy->getNumParams(), e = I.getNumOperands()-3; 11409b044ec938fd56355012851890c63974c8042c9fStephen Hines i != e; ++i) 11419b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); // vararg 11429b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11439b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11449b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11459b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Resume: 11469b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_RESUME; 11479b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 11489b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11499b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Unwind: 11509b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_UNWIND; 11519b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11529b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Unreachable: 11539b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_UNREACHABLE; 11549b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_UNREACHABLE_ABBREV; 11559b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11569b044ec938fd56355012851890c63974c8042c9fStephen Hines 11579b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::PHI: { 11589b044ec938fd56355012851890c63974c8042c9fStephen Hines const PHINode &PN = cast<PHINode>(I); 11599b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_PHI; 11609b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(PN.getType())); 11619b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) { 11629b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingValue(i))); 11639b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingBlock(i))); 11649b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11659b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11669b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11679b044ec938fd56355012851890c63974c8042c9fStephen Hines 11689b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::LandingPad: { 11699b044ec938fd56355012851890c63974c8042c9fStephen Hines const LandingPadInst &LP = cast<LandingPadInst>(I); 11709b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_LANDINGPAD; 11719b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(LP.getType())); 11729b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(LP.getPersonalityFn(), InstID, Vals, VE); 11739b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(LP.isCleanup()); 11749b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(LP.getNumClauses()); 11759b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned I = 0, E = LP.getNumClauses(); I != E; ++I) { 11769b044ec938fd56355012851890c63974c8042c9fStephen Hines if (LP.isCatch(I)) 11779b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(LandingPadInst::Catch); 11789b044ec938fd56355012851890c63974c8042c9fStephen Hines else 11799b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(LandingPadInst::Filter); 11809b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(LP.getClause(I), InstID, Vals, VE); 11819b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11829b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11839b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11849b044ec938fd56355012851890c63974c8042c9fStephen Hines 11859b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Alloca: 11869b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_ALLOCA; 11879b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 11889b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 11899b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // size. 11909b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Log2_32(cast<AllocaInst>(I).getAlignment())+1); 11919b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11929b044ec938fd56355012851890c63974c8042c9fStephen Hines 11939b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Load: 11949b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<LoadInst>(I).isAtomic()) { 11959b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_LOADATOMIC; 11969b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 11979b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 11989b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_LOAD; 11999b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) // ptr 12009b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_LOAD_ABBREV; 12019b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12029b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Log2_32(cast<LoadInst>(I).getAlignment())+1); 12039b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<LoadInst>(I).isVolatile()); 12049b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<LoadInst>(I).isAtomic()) { 12059b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering(cast<LoadInst>(I).getOrdering())); 12069b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope(cast<LoadInst>(I).getSynchScope())); 12079b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12089b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12099b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Store: 12109b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<StoreInst>(I).isAtomic()) 12119b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_STOREATOMIC; 12129b044ec938fd56355012851890c63974c8042c9fStephen Hines else 12139b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_STORE; 12149b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); // ptrty + ptr 12159b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // val. 12169b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); 12179b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<StoreInst>(I).isVolatile()); 12189b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<StoreInst>(I).isAtomic()) { 12199b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering(cast<StoreInst>(I).getOrdering())); 12209b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope(cast<StoreInst>(I).getSynchScope())); 12219b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12229b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12239b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::AtomicCmpXchg: 12249b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_CMPXCHG; 12259b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 12269b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // cmp. 12279b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); // newval. 12289b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<AtomicCmpXchgInst>(I).isVolatile()); 12299b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering( 12309b044ec938fd56355012851890c63974c8042c9fStephen Hines cast<AtomicCmpXchgInst>(I).getOrdering())); 12319b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope( 12329b044ec938fd56355012851890c63974c8042c9fStephen Hines cast<AtomicCmpXchgInst>(I).getSynchScope())); 12339b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12349b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::AtomicRMW: 12359b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_ATOMICRMW; 12369b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 12379b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // val. 12389b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedRMWOperation( 12399b044ec938fd56355012851890c63974c8042c9fStephen Hines cast<AtomicRMWInst>(I).getOperation())); 12409b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<AtomicRMWInst>(I).isVolatile()); 12419b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering(cast<AtomicRMWInst>(I).getOrdering())); 12429b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope( 12439b044ec938fd56355012851890c63974c8042c9fStephen Hines cast<AtomicRMWInst>(I).getSynchScope())); 12449b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12459b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Fence: 12469b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_FENCE; 12479b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering(cast<FenceInst>(I).getOrdering())); 12489b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope(cast<FenceInst>(I).getSynchScope())); 12499b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12509b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Call: { 12519b044ec938fd56355012851890c63974c8042c9fStephen Hines const CallInst &CI = cast<CallInst>(I); 12529b044ec938fd56355012851890c63974c8042c9fStephen Hines PointerType *PTy = cast<PointerType>(CI.getCalledValue()->getType()); 12539b044ec938fd56355012851890c63974c8042c9fStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 12549b044ec938fd56355012851890c63974c8042c9fStephen Hines 12559b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_CALL; 12569b044ec938fd56355012851890c63974c8042c9fStephen Hines 12579b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getAttributeID(CI.getAttributes())); 12589b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back((CI.getCallingConv() << 1) | unsigned(CI.isTailCall())); 12599b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(CI.getCalledValue(), InstID, Vals, VE); // Callee 12609b044ec938fd56355012851890c63974c8042c9fStephen Hines 12619b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit value #'s for the fixed parameters. 12629b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 12639b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(CI.getArgOperand(i))); // fixed param. 12649b044ec938fd56355012851890c63974c8042c9fStephen Hines 12659b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit type/value pairs for varargs params. 12669b044ec938fd56355012851890c63974c8042c9fStephen Hines if (FTy->isVarArg()) { 12679b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = FTy->getNumParams(), e = CI.getNumArgOperands(); 12689b044ec938fd56355012851890c63974c8042c9fStephen Hines i != e; ++i) 12699b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(CI.getArgOperand(i), InstID, Vals, VE); // varargs 12709b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12719b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12729b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12739b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::VAArg: 12749b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_VAARG; 12759b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); // valistty 12769b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // valist. 12779b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getType())); // restype. 12789b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12799b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12809b044ec938fd56355012851890c63974c8042c9fStephen Hines 12819b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 12829b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 12839b044ec938fd56355012851890c63974c8042c9fStephen Hines} 12849b044ec938fd56355012851890c63974c8042c9fStephen Hines 12859b044ec938fd56355012851890c63974c8042c9fStephen Hines// Emit names for globals/functions etc. 12869b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteValueSymbolTable(const ValueSymbolTable &VST, 12879b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueEnumerator &VE, 12889b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 12899b044ec938fd56355012851890c63974c8042c9fStephen Hines if (VST.empty()) return; 12909b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 4); 12919b044ec938fd56355012851890c63974c8042c9fStephen Hines 12929b044ec938fd56355012851890c63974c8042c9fStephen Hines // FIXME: Set up the abbrev, we know how many values there are! 12939b044ec938fd56355012851890c63974c8042c9fStephen Hines // FIXME: We know if the type names can use 7-bit ascii. 12949b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> NameVals; 12959b044ec938fd56355012851890c63974c8042c9fStephen Hines 12969b044ec938fd56355012851890c63974c8042c9fStephen Hines for (ValueSymbolTable::const_iterator SI = VST.begin(), SE = VST.end(); 12979b044ec938fd56355012851890c63974c8042c9fStephen Hines SI != SE; ++SI) { 12989b044ec938fd56355012851890c63974c8042c9fStephen Hines 12999b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueName &Name = *SI; 13009b044ec938fd56355012851890c63974c8042c9fStephen Hines 13019b044ec938fd56355012851890c63974c8042c9fStephen Hines // Figure out the encoding to use for the name. 13029b044ec938fd56355012851890c63974c8042c9fStephen Hines bool is7Bit = true; 13039b044ec938fd56355012851890c63974c8042c9fStephen Hines bool isChar6 = true; 13049b044ec938fd56355012851890c63974c8042c9fStephen Hines for (const char *C = Name.getKeyData(), *E = C+Name.getKeyLength(); 13059b044ec938fd56355012851890c63974c8042c9fStephen Hines C != E; ++C) { 13069b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isChar6) 13079b044ec938fd56355012851890c63974c8042c9fStephen Hines isChar6 = BitCodeAbbrevOp::isChar6(*C); 13089b044ec938fd56355012851890c63974c8042c9fStephen Hines if ((unsigned char)*C & 128) { 13099b044ec938fd56355012851890c63974c8042c9fStephen Hines is7Bit = false; 13109b044ec938fd56355012851890c63974c8042c9fStephen Hines break; // don't bother scanning the rest. 13119b044ec938fd56355012851890c63974c8042c9fStephen Hines } 13129b044ec938fd56355012851890c63974c8042c9fStephen Hines } 13139b044ec938fd56355012851890c63974c8042c9fStephen Hines 13149b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = VST_ENTRY_8_ABBREV; 13159b044ec938fd56355012851890c63974c8042c9fStephen Hines 13169b044ec938fd56355012851890c63974c8042c9fStephen Hines // VST_ENTRY: [valueid, namechar x N] 13179b044ec938fd56355012851890c63974c8042c9fStephen Hines // VST_BBENTRY: [bbid, namechar x N] 13189b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned Code; 13199b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isa<BasicBlock>(SI->getValue())) { 13209b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::VST_CODE_BBENTRY; 13219b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isChar6) 13229b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = VST_BBENTRY_6_ABBREV; 13239b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 13249b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::VST_CODE_ENTRY; 13259b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isChar6) 13269b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = VST_ENTRY_6_ABBREV; 13279b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (is7Bit) 13289b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = VST_ENTRY_7_ABBREV; 13299b044ec938fd56355012851890c63974c8042c9fStephen Hines } 13309b044ec938fd56355012851890c63974c8042c9fStephen Hines 13319b044ec938fd56355012851890c63974c8042c9fStephen Hines NameVals.push_back(VE.getValueID(SI->getValue())); 13329b044ec938fd56355012851890c63974c8042c9fStephen Hines for (const char *P = Name.getKeyData(), 13339b044ec938fd56355012851890c63974c8042c9fStephen Hines *E = Name.getKeyData()+Name.getKeyLength(); P != E; ++P) 13349b044ec938fd56355012851890c63974c8042c9fStephen Hines NameVals.push_back((unsigned char)*P); 13359b044ec938fd56355012851890c63974c8042c9fStephen Hines 13369b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the finished record. 13379b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, NameVals, AbbrevToUse); 13389b044ec938fd56355012851890c63974c8042c9fStephen Hines NameVals.clear(); 13399b044ec938fd56355012851890c63974c8042c9fStephen Hines } 13409b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 13419b044ec938fd56355012851890c63974c8042c9fStephen Hines} 13429b044ec938fd56355012851890c63974c8042c9fStephen Hines 13439b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteFunction - Emit a function body to the module stream. 13449b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteFunction(const Function &F, ValueEnumerator &VE, 13459b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 13469b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::FUNCTION_BLOCK_ID, 4); 13479b044ec938fd56355012851890c63974c8042c9fStephen Hines VE.incorporateFunction(F); 13489b044ec938fd56355012851890c63974c8042c9fStephen Hines 13499b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> Vals; 13509b044ec938fd56355012851890c63974c8042c9fStephen Hines 13519b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the number of basic blocks, so the reader can create them ahead of 13529b044ec938fd56355012851890c63974c8042c9fStephen Hines // time. 13539b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getBasicBlocks().size()); 13549b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DECLAREBLOCKS, Vals); 13559b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 13569b044ec938fd56355012851890c63974c8042c9fStephen Hines 13579b044ec938fd56355012851890c63974c8042c9fStephen Hines // If there are function-local constants, emit them now. 13589b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned CstStart, CstEnd; 13599b044ec938fd56355012851890c63974c8042c9fStephen Hines VE.getFunctionConstantRange(CstStart, CstEnd); 13609b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteConstants(CstStart, CstEnd, VE, Stream, false); 13619b044ec938fd56355012851890c63974c8042c9fStephen Hines 13629b044ec938fd56355012851890c63974c8042c9fStephen Hines // If there is function-local metadata, emit it now. 13639b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteFunctionLocalMetadata(F, VE, Stream); 13649b044ec938fd56355012851890c63974c8042c9fStephen Hines 13659b044ec938fd56355012851890c63974c8042c9fStephen Hines // Keep a running idea of what the instruction ID is. 13669b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned InstID = CstEnd; 13679b044ec938fd56355012851890c63974c8042c9fStephen Hines 13689b044ec938fd56355012851890c63974c8042c9fStephen Hines bool NeedsMetadataAttachment = false; 13699b044ec938fd56355012851890c63974c8042c9fStephen Hines 13709b044ec938fd56355012851890c63974c8042c9fStephen Hines DebugLoc LastDL; 13719b044ec938fd56355012851890c63974c8042c9fStephen Hines 13729b044ec938fd56355012851890c63974c8042c9fStephen Hines // Finally, emit all the instructions, in order. 13739b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 13749b044ec938fd56355012851890c63974c8042c9fStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 13759b044ec938fd56355012851890c63974c8042c9fStephen Hines I != E; ++I) { 13769b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteInstruction(*I, InstID, VE, Stream, Vals); 13779b044ec938fd56355012851890c63974c8042c9fStephen Hines 13789b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!I->getType()->isVoidTy()) 13799b044ec938fd56355012851890c63974c8042c9fStephen Hines ++InstID; 13809b044ec938fd56355012851890c63974c8042c9fStephen Hines 13819b044ec938fd56355012851890c63974c8042c9fStephen Hines // If the instruction has metadata, write a metadata attachment later. 13829b044ec938fd56355012851890c63974c8042c9fStephen Hines NeedsMetadataAttachment |= I->hasMetadataOtherThanDebugLoc(); 13839b044ec938fd56355012851890c63974c8042c9fStephen Hines 13849b044ec938fd56355012851890c63974c8042c9fStephen Hines // If the instruction has a debug location, emit it. 13859b044ec938fd56355012851890c63974c8042c9fStephen Hines DebugLoc DL = I->getDebugLoc(); 13869b044ec938fd56355012851890c63974c8042c9fStephen Hines if (DL.isUnknown()) { 13879b044ec938fd56355012851890c63974c8042c9fStephen Hines // nothing todo. 13889b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (DL == LastDL) { 13899b044ec938fd56355012851890c63974c8042c9fStephen Hines // Just repeat the same debug loc as last time. 13909b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC_AGAIN, Vals); 13919b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 13929b044ec938fd56355012851890c63974c8042c9fStephen Hines MDNode *Scope, *IA; 13939b044ec938fd56355012851890c63974c8042c9fStephen Hines DL.getScopeAndInlinedAt(Scope, IA, I->getContext()); 13949b044ec938fd56355012851890c63974c8042c9fStephen Hines 13959b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(DL.getLine()); 13969b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(DL.getCol()); 13979b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Scope ? VE.getValueID(Scope)+1 : 0); 13989b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(IA ? VE.getValueID(IA)+1 : 0); 13999b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals); 14009b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 14019b044ec938fd56355012851890c63974c8042c9fStephen Hines 14029b044ec938fd56355012851890c63974c8042c9fStephen Hines LastDL = DL; 14039b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14049b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14059b044ec938fd56355012851890c63974c8042c9fStephen Hines 14069b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit names for all the instructions etc. 14079b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteValueSymbolTable(F.getValueSymbolTable(), VE, Stream); 14089b044ec938fd56355012851890c63974c8042c9fStephen Hines 14099b044ec938fd56355012851890c63974c8042c9fStephen Hines if (NeedsMetadataAttachment) 14109b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteMetadataAttachment(F, VE, Stream); 14119b044ec938fd56355012851890c63974c8042c9fStephen Hines VE.purgeFunction(); 14129b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 14139b044ec938fd56355012851890c63974c8042c9fStephen Hines} 14149b044ec938fd56355012851890c63974c8042c9fStephen Hines 14159b044ec938fd56355012851890c63974c8042c9fStephen Hines// Emit blockinfo, which defines the standard abbreviations etc. 14169b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteBlockInfo(const ValueEnumerator &VE, BitstreamWriter &Stream) { 14179b044ec938fd56355012851890c63974c8042c9fStephen Hines // We only want to emit block info records for blocks that have multiple 14189b044ec938fd56355012851890c63974c8042c9fStephen Hines // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. Other 14199b044ec938fd56355012851890c63974c8042c9fStephen Hines // blocks can defined their abbrevs inline. 14209b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterBlockInfoBlock(2); 14219b044ec938fd56355012851890c63974c8042c9fStephen Hines 14229b044ec938fd56355012851890c63974c8042c9fStephen Hines { // 8-bit fixed-width VST_ENTRY/VST_BBENTRY strings. 14239b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 14249b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); 14259b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 14269b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 14279b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 14289b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 14299b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != VST_ENTRY_8_ABBREV) 14309b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 14319b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14329b044ec938fd56355012851890c63974c8042c9fStephen Hines 14339b044ec938fd56355012851890c63974c8042c9fStephen Hines { // 7-bit fixed width VST_ENTRY strings. 14349b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 14359b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 14369b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 14379b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 14389b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 14399b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 14409b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != VST_ENTRY_7_ABBREV) 14419b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 14429b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14439b044ec938fd56355012851890c63974c8042c9fStephen Hines { // 6-bit char6 VST_ENTRY strings. 14449b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 14459b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 14469b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 14479b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 14489b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 14499b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 14509b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != VST_ENTRY_6_ABBREV) 14519b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 14529b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14539b044ec938fd56355012851890c63974c8042c9fStephen Hines { // 6-bit char6 VST_BBENTRY strings. 14549b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 14559b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_BBENTRY)); 14569b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 14579b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 14589b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 14599b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 14609b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != VST_BBENTRY_6_ABBREV) 14619b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 14629b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14639b044ec938fd56355012851890c63974c8042c9fStephen Hines 14649b044ec938fd56355012851890c63974c8042c9fStephen Hines 14659b044ec938fd56355012851890c63974c8042c9fStephen Hines 14669b044ec938fd56355012851890c63974c8042c9fStephen Hines { // SETTYPE abbrev for CONSTANTS_BLOCK. 14679b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 14689b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_SETTYPE)); 14699b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 14709b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 14719b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 14729b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != CONSTANTS_SETTYPE_ABBREV) 14739b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 14749b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14759b044ec938fd56355012851890c63974c8042c9fStephen Hines 14769b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INTEGER abbrev for CONSTANTS_BLOCK. 14779b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 14789b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_INTEGER)); 14799b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 14809b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 14819b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != CONSTANTS_INTEGER_ABBREV) 14829b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 14839b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14849b044ec938fd56355012851890c63974c8042c9fStephen Hines 14859b044ec938fd56355012851890c63974c8042c9fStephen Hines { // CE_CAST abbrev for CONSTANTS_BLOCK. 14869b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 14879b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CE_CAST)); 14889b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // cast opc 14899b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // typeid 14909b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 14919b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id 14929b044ec938fd56355012851890c63974c8042c9fStephen Hines 14939b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 14949b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != CONSTANTS_CE_CAST_Abbrev) 14959b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 14969b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14979b044ec938fd56355012851890c63974c8042c9fStephen Hines { // NULL abbrev for CONSTANTS_BLOCK. 14989b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 14999b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_NULL)); 15009b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 15019b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != CONSTANTS_NULL_Abbrev) 15029b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15039b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15049b044ec938fd56355012851890c63974c8042c9fStephen Hines 15059b044ec938fd56355012851890c63974c8042c9fStephen Hines // FIXME: This should only use space for first class types! 15069b044ec938fd56355012851890c63974c8042c9fStephen Hines 15079b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_LOAD abbrev for FUNCTION_BLOCK. 15089b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15099b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_LOAD)); 15109b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Ptr 15119b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // Align 15129b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // volatile 15139b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 15149b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_LOAD_ABBREV) 15159b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15169b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15179b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_BINOP abbrev for FUNCTION_BLOCK. 15189b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15199b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 15209b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 15219b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 15229b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 15239b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 15249b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_BINOP_ABBREV) 15259b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15269b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15279b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_BINOP_FLAGS abbrev for FUNCTION_BLOCK. 15289b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15299b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 15309b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 15319b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 15329b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 15339b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); // flags 15349b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 15359b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_BINOP_FLAGS_ABBREV) 15369b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15379b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15389b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_CAST abbrev for FUNCTION_BLOCK. 15399b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15409b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_CAST)); 15419b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpVal 15429b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty 15439b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 15449b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 15459b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 15469b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_CAST_ABBREV) 15479b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15489b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15499b044ec938fd56355012851890c63974c8042c9fStephen Hines 15509b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 15519b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15529b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 15539b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 15549b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_RET_VOID_ABBREV) 15559b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15569b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15579b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 15589b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15599b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 15609b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ValID 15619b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 15629b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_RET_VAL_ABBREV) 15639b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15649b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15659b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_UNREACHABLE abbrev for FUNCTION_BLOCK. 15669b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15679b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_UNREACHABLE)); 15689b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 15699b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_UNREACHABLE_ABBREV) 15709b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15719b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15729b044ec938fd56355012851890c63974c8042c9fStephen Hines 15739b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 15749b044ec938fd56355012851890c63974c8042c9fStephen Hines} 15759b044ec938fd56355012851890c63974c8042c9fStephen Hines 15769b044ec938fd56355012851890c63974c8042c9fStephen Hines 15779b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteModule - Emit the specified module to the bitstream. 15789b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteModule(const Module *M, BitstreamWriter &Stream) { 15799b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); 15809b044ec938fd56355012851890c63974c8042c9fStephen Hines 15819b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the version number if it is non-zero. 15829b044ec938fd56355012851890c63974c8042c9fStephen Hines if (CurVersion) { 15839b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 1> Vals; 15849b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(CurVersion); 15859b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_VERSION, Vals); 15869b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15879b044ec938fd56355012851890c63974c8042c9fStephen Hines 15889b044ec938fd56355012851890c63974c8042c9fStephen Hines // Analyze the module, enumerating globals, functions, etc. 15899b044ec938fd56355012851890c63974c8042c9fStephen Hines ValueEnumerator VE(M); 15909b044ec938fd56355012851890c63974c8042c9fStephen Hines 15919b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit blockinfo, which defines the standard abbreviations etc. 15929b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteBlockInfo(VE, Stream); 15939b044ec938fd56355012851890c63974c8042c9fStephen Hines 15949b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit information about parameter attributes. 15959b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteAttributeTable(VE, Stream); 15969b044ec938fd56355012851890c63974c8042c9fStephen Hines 15979b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit information describing all of the types in the module. 15989b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteTypeTable(VE, Stream); 15999b044ec938fd56355012851890c63974c8042c9fStephen Hines 16009b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit top-level description of module, including target triple, inline asm, 16019b044ec938fd56355012851890c63974c8042c9fStephen Hines // descriptors for global variables, and function prototype info. 16029b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteModuleInfo(M, VE, Stream); 16039b044ec938fd56355012851890c63974c8042c9fStephen Hines 16049b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit constants. 16059b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteModuleConstants(VE, Stream); 16069b044ec938fd56355012851890c63974c8042c9fStephen Hines 16079b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit metadata. 16089b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteModuleMetadata(M, VE, Stream); 16099b044ec938fd56355012851890c63974c8042c9fStephen Hines 16109b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit function bodies. 16119b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) 16129b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!F->isDeclaration()) 16139b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteFunction(*F, VE, Stream); 16149b044ec938fd56355012851890c63974c8042c9fStephen Hines 16159b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit metadata. 16169b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteModuleMetadataStore(M, Stream); 16179b044ec938fd56355012851890c63974c8042c9fStephen Hines 16189b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit names for globals/functions etc. 16199b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteValueSymbolTable(M->getValueSymbolTable(), VE, Stream); 16209b044ec938fd56355012851890c63974c8042c9fStephen Hines 16219b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 16229b044ec938fd56355012851890c63974c8042c9fStephen Hines} 16239b044ec938fd56355012851890c63974c8042c9fStephen Hines 16249b044ec938fd56355012851890c63974c8042c9fStephen Hines/// EmitDarwinBCHeader - If generating a bc file on darwin, we have to emit a 16259b044ec938fd56355012851890c63974c8042c9fStephen Hines/// header and trailer to make it compatible with the system archiver. To do 16269b044ec938fd56355012851890c63974c8042c9fStephen Hines/// this we emit the following header, and then emit a trailer that pads the 16279b044ec938fd56355012851890c63974c8042c9fStephen Hines/// file out to be a multiple of 16 bytes. 16289b044ec938fd56355012851890c63974c8042c9fStephen Hines/// 16299b044ec938fd56355012851890c63974c8042c9fStephen Hines/// struct bc_header { 16309b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t Magic; // 0x0B17C0DE 16319b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t Version; // Version, currently always 0. 16329b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t BitcodeOffset; // Offset to traditional bitcode file. 16339b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t BitcodeSize; // Size of traditional bitcode file. 16349b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t CPUType; // CPU specifier. 16359b044ec938fd56355012851890c63974c8042c9fStephen Hines/// ... potentially more later ... 16369b044ec938fd56355012851890c63974c8042c9fStephen Hines/// }; 16379b044ec938fd56355012851890c63974c8042c9fStephen Hinesenum { 16389b044ec938fd56355012851890c63974c8042c9fStephen Hines DarwinBCSizeFieldOffset = 3*4, // Offset to bitcode_size. 16399b044ec938fd56355012851890c63974c8042c9fStephen Hines DarwinBCHeaderSize = 5*4 16409b044ec938fd56355012851890c63974c8042c9fStephen Hines}; 16419b044ec938fd56355012851890c63974c8042c9fStephen Hines 16429b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void EmitDarwinBCHeader(BitstreamWriter &Stream, const Triple &TT) { 16439b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned CPUType = ~0U; 16449b044ec938fd56355012851890c63974c8042c9fStephen Hines 16459b044ec938fd56355012851890c63974c8042c9fStephen Hines // Match x86_64-*, i[3-9]86-*, powerpc-*, powerpc64-*, arm-*, thumb-*, 16469b044ec938fd56355012851890c63974c8042c9fStephen Hines // armv[0-9]-*, thumbv[0-9]-*, armv5te-*, or armv6t2-*. The CPUType is a magic 16479b044ec938fd56355012851890c63974c8042c9fStephen Hines // number from /usr/include/mach/machine.h. It is ok to reproduce the 16489b044ec938fd56355012851890c63974c8042c9fStephen Hines // specific constants here because they are implicitly part of the Darwin ABI. 16499b044ec938fd56355012851890c63974c8042c9fStephen Hines enum { 16509b044ec938fd56355012851890c63974c8042c9fStephen Hines DARWIN_CPU_ARCH_ABI64 = 0x01000000, 16519b044ec938fd56355012851890c63974c8042c9fStephen Hines DARWIN_CPU_TYPE_X86 = 7, 16529b044ec938fd56355012851890c63974c8042c9fStephen Hines DARWIN_CPU_TYPE_ARM = 12, 16539b044ec938fd56355012851890c63974c8042c9fStephen Hines DARWIN_CPU_TYPE_POWERPC = 18 16549b044ec938fd56355012851890c63974c8042c9fStephen Hines }; 16559b044ec938fd56355012851890c63974c8042c9fStephen Hines 16569b044ec938fd56355012851890c63974c8042c9fStephen Hines Triple::ArchType Arch = TT.getArch(); 16579b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Arch == Triple::x86_64) 16589b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_X86 | DARWIN_CPU_ARCH_ABI64; 16599b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (Arch == Triple::x86) 16609b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_X86; 16619b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (Arch == Triple::ppc) 16629b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC; 16639b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (Arch == Triple::ppc64) 16649b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC | DARWIN_CPU_ARCH_ABI64; 16659b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (Arch == Triple::arm || Arch == Triple::thumb) 16669b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_ARM; 16679b044ec938fd56355012851890c63974c8042c9fStephen Hines 16689b044ec938fd56355012851890c63974c8042c9fStephen Hines // Traditional Bitcode starts after header. 16699b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned BCOffset = DarwinBCHeaderSize; 16709b044ec938fd56355012851890c63974c8042c9fStephen Hines 16719b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(0x0B17C0DE, 32); 16729b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(0 , 32); // Version. 16739b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(BCOffset , 32); 16749b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(0 , 32); // Filled in later. 16759b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(CPUType , 32); 16769b044ec938fd56355012851890c63974c8042c9fStephen Hines} 16779b044ec938fd56355012851890c63974c8042c9fStephen Hines 16789b044ec938fd56355012851890c63974c8042c9fStephen Hines/// EmitDarwinBCTrailer - Emit the darwin epilog after the bitcode file and 16799b044ec938fd56355012851890c63974c8042c9fStephen Hines/// finalize the header. 16809b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void EmitDarwinBCTrailer(BitstreamWriter &Stream, unsigned BufferSize) { 16819b044ec938fd56355012851890c63974c8042c9fStephen Hines // Update the size field in the header. 16829b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.BackpatchWord(DarwinBCSizeFieldOffset, BufferSize-DarwinBCHeaderSize); 16839b044ec938fd56355012851890c63974c8042c9fStephen Hines 16849b044ec938fd56355012851890c63974c8042c9fStephen Hines // If the file is not a multiple of 16 bytes, insert dummy padding. 16859b044ec938fd56355012851890c63974c8042c9fStephen Hines while (BufferSize & 15) { 16869b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(0, 8); 16879b044ec938fd56355012851890c63974c8042c9fStephen Hines ++BufferSize; 16889b044ec938fd56355012851890c63974c8042c9fStephen Hines } 16899b044ec938fd56355012851890c63974c8042c9fStephen Hines} 16909b044ec938fd56355012851890c63974c8042c9fStephen Hines 16919b044ec938fd56355012851890c63974c8042c9fStephen Hines 16929b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteBitcodeToFile - Write the specified module to the specified output 16939b044ec938fd56355012851890c63974c8042c9fStephen Hines/// stream. 16949b044ec938fd56355012851890c63974c8042c9fStephen Hinesvoid llvm_2_9_func::WriteBitcodeToFile(const Module *M, raw_ostream &Out) { 16959b044ec938fd56355012851890c63974c8042c9fStephen Hines std::vector<unsigned char> Buffer; 16969b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter Stream(Buffer); 16979b044ec938fd56355012851890c63974c8042c9fStephen Hines 16989b044ec938fd56355012851890c63974c8042c9fStephen Hines Buffer.reserve(256*1024); 16999b044ec938fd56355012851890c63974c8042c9fStephen Hines 17009b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteBitcodeToStream( M, Stream ); 17019b044ec938fd56355012851890c63974c8042c9fStephen Hines 17029b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write the generated bitstream to "Out". 17039b044ec938fd56355012851890c63974c8042c9fStephen Hines Out.write((char*)&Buffer.front(), Buffer.size()); 17049b044ec938fd56355012851890c63974c8042c9fStephen Hines} 17059b044ec938fd56355012851890c63974c8042c9fStephen Hines 17069b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteBitcodeToStream - Write the specified module to the specified output 17079b044ec938fd56355012851890c63974c8042c9fStephen Hines/// stream. 17089b044ec938fd56355012851890c63974c8042c9fStephen Hinesvoid llvm_2_9_func::WriteBitcodeToStream(const Module *M, BitstreamWriter &Stream) { 17099b044ec938fd56355012851890c63974c8042c9fStephen Hines // If this is darwin or another generic macho target, emit a file header and 17109b044ec938fd56355012851890c63974c8042c9fStephen Hines // trailer if needed. 17119b044ec938fd56355012851890c63974c8042c9fStephen Hines Triple TT(M->getTargetTriple()); 17129b044ec938fd56355012851890c63974c8042c9fStephen Hines if (TT.isOSDarwin()) 17139b044ec938fd56355012851890c63974c8042c9fStephen Hines EmitDarwinBCHeader(Stream, TT); 17149b044ec938fd56355012851890c63974c8042c9fStephen Hines 17159b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the file header. 17169b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit((unsigned)'B', 8); 17179b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit((unsigned)'C', 8); 17189b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(0x0, 4); 17199b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(0xC, 4); 17209b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(0xE, 4); 17219b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.Emit(0xD, 4); 17229b044ec938fd56355012851890c63974c8042c9fStephen Hines 17239b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the module. 17249b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteModule(M, Stream); 17259b044ec938fd56355012851890c63974c8042c9fStephen Hines 17269b044ec938fd56355012851890c63974c8042c9fStephen Hines if (TT.isOSDarwin()) 17279b044ec938fd56355012851890c63974c8042c9fStephen Hines EmitDarwinBCTrailer(Stream, Stream.getBuffer().size()); 17289b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1729