BitcodeWriter.cpp revision 1906a00dce8e32fe3bb8a957e333ebbbee0888e3
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" 158bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines#include "legacy_bitcode.h" 169b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "ValueEnumerator.h" 179b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/ADT/Triple.h" 1823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/Bitcode/BitstreamWriter.h" 1923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/Bitcode/LLVMBitCodes.h" 2023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Constants.h" 21c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines#include "llvm/IR/DebugInfoMetadata.h" 2223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/DerivedTypes.h" 2323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/InlineAsm.h" 2423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Instructions.h" 2523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Module.h" 2623c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/Operator.h" 2723c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/ValueSymbolTable.h" 289b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Support/ErrorHandling.h" 299b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Support/MathExtras.h" 309b044ec938fd56355012851890c63974c8042c9fStephen Hines#include "llvm/Support/Program.h" 3123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/Support/raw_ostream.h" 329b044ec938fd56355012851890c63974c8042c9fStephen Hines#include <cctype> 339b044ec938fd56355012851890c63974c8042c9fStephen Hines#include <map> 349b044ec938fd56355012851890c63974c8042c9fStephen Hinesusing namespace llvm; 359b044ec938fd56355012851890c63974c8042c9fStephen Hines 369b044ec938fd56355012851890c63974c8042c9fStephen Hines/// These are manifest constants used by the bitcode writer. They do not need to 379b044ec938fd56355012851890c63974c8042c9fStephen Hines/// be kept in sync with the reader, but need to be consistent within this file. 389b044ec938fd56355012851890c63974c8042c9fStephen Hinesenum { 399b044ec938fd56355012851890c63974c8042c9fStephen Hines CurVersion = 0, 409b044ec938fd56355012851890c63974c8042c9fStephen Hines 419b044ec938fd56355012851890c63974c8042c9fStephen Hines // VALUE_SYMTAB_BLOCK abbrev id's. 429b044ec938fd56355012851890c63974c8042c9fStephen Hines VST_ENTRY_8_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 439b044ec938fd56355012851890c63974c8042c9fStephen Hines VST_ENTRY_7_ABBREV, 449b044ec938fd56355012851890c63974c8042c9fStephen Hines VST_ENTRY_6_ABBREV, 459b044ec938fd56355012851890c63974c8042c9fStephen Hines VST_BBENTRY_6_ABBREV, 469b044ec938fd56355012851890c63974c8042c9fStephen Hines 479b044ec938fd56355012851890c63974c8042c9fStephen Hines // CONSTANTS_BLOCK abbrev id's. 489b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_SETTYPE_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 499b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_INTEGER_ABBREV, 509b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_CE_CAST_Abbrev, 519b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_NULL_Abbrev, 529b044ec938fd56355012851890c63974c8042c9fStephen Hines 539b044ec938fd56355012851890c63974c8042c9fStephen Hines // FUNCTION_BLOCK abbrev id's. 549b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_LOAD_ABBREV = bitc::FIRST_APPLICATION_ABBREV, 559b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_BINOP_ABBREV, 569b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_BINOP_FLAGS_ABBREV, 579b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_CAST_ABBREV, 589b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_RET_VOID_ABBREV, 599b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_RET_VAL_ABBREV, 609b044ec938fd56355012851890c63974c8042c9fStephen Hines FUNCTION_INST_UNREACHABLE_ABBREV 619b044ec938fd56355012851890c63974c8042c9fStephen Hines}; 629b044ec938fd56355012851890c63974c8042c9fStephen Hines 639b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedCastOpcode(unsigned Opcode) { 649b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (Opcode) { 659b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown cast instruction!"); 669b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Trunc : return bitc::CAST_TRUNC; 679b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ZExt : return bitc::CAST_ZEXT; 689b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::SExt : return bitc::CAST_SEXT; 699b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FPToUI : return bitc::CAST_FPTOUI; 709b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FPToSI : return bitc::CAST_FPTOSI; 719b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::UIToFP : return bitc::CAST_UITOFP; 729b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::SIToFP : return bitc::CAST_SITOFP; 739b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FPTrunc : return bitc::CAST_FPTRUNC; 749b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FPExt : return bitc::CAST_FPEXT; 759b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::PtrToInt: return bitc::CAST_PTRTOINT; 769b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::IntToPtr: return bitc::CAST_INTTOPTR; 779b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::BitCast : return bitc::CAST_BITCAST; 789b044ec938fd56355012851890c63974c8042c9fStephen Hines } 799b044ec938fd56355012851890c63974c8042c9fStephen Hines} 809b044ec938fd56355012851890c63974c8042c9fStephen Hines 819b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedBinaryOpcode(unsigned Opcode) { 829b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (Opcode) { 839b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown binary instruction!"); 849b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Add: 859b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FAdd: return bitc::BINOP_ADD; 869b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Sub: 879b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FSub: return bitc::BINOP_SUB; 889b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Mul: 899b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FMul: return bitc::BINOP_MUL; 909b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::UDiv: return bitc::BINOP_UDIV; 919b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FDiv: 929b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::SDiv: return bitc::BINOP_SDIV; 939b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::URem: return bitc::BINOP_UREM; 949b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FRem: 959b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::SRem: return bitc::BINOP_SREM; 969b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Shl: return bitc::BINOP_SHL; 979b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::LShr: return bitc::BINOP_LSHR; 989b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::AShr: return bitc::BINOP_ASHR; 999b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::And: return bitc::BINOP_AND; 1009b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Or: return bitc::BINOP_OR; 1019b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Xor: return bitc::BINOP_XOR; 1029b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1039b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1049b044ec938fd56355012851890c63974c8042c9fStephen Hines 1059b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedRMWOperation(AtomicRMWInst::BinOp Op) { 1069b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (Op) { 1079b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown RMW operation!"); 1089b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Xchg: return bitc::RMW_XCHG; 1099b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Add: return bitc::RMW_ADD; 1109b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Sub: return bitc::RMW_SUB; 1119b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::And: return bitc::RMW_AND; 1129b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Nand: return bitc::RMW_NAND; 1139b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Or: return bitc::RMW_OR; 1149b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Xor: return bitc::RMW_XOR; 1159b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Max: return bitc::RMW_MAX; 1169b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::Min: return bitc::RMW_MIN; 1179b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::UMax: return bitc::RMW_UMAX; 1189b044ec938fd56355012851890c63974c8042c9fStephen Hines case AtomicRMWInst::UMin: return bitc::RMW_UMIN; 1199b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1209b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1219b044ec938fd56355012851890c63974c8042c9fStephen Hines 1229b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedOrdering(AtomicOrdering Ordering) { 1239b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (Ordering) { 1249b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown atomic ordering"); 1259b044ec938fd56355012851890c63974c8042c9fStephen Hines case NotAtomic: return bitc::ORDERING_NOTATOMIC; 1269b044ec938fd56355012851890c63974c8042c9fStephen Hines case Unordered: return bitc::ORDERING_UNORDERED; 1279b044ec938fd56355012851890c63974c8042c9fStephen Hines case Monotonic: return bitc::ORDERING_MONOTONIC; 1289b044ec938fd56355012851890c63974c8042c9fStephen Hines case Acquire: return bitc::ORDERING_ACQUIRE; 1299b044ec938fd56355012851890c63974c8042c9fStephen Hines case Release: return bitc::ORDERING_RELEASE; 1309b044ec938fd56355012851890c63974c8042c9fStephen Hines case AcquireRelease: return bitc::ORDERING_ACQREL; 1319b044ec938fd56355012851890c63974c8042c9fStephen Hines case SequentiallyConsistent: return bitc::ORDERING_SEQCST; 1329b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1339b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1349b044ec938fd56355012851890c63974c8042c9fStephen Hines 1359b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic unsigned GetEncodedSynchScope(SynchronizationScope SynchScope) { 1369b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (SynchScope) { 1379b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown synchronization scope"); 1389b044ec938fd56355012851890c63974c8042c9fStephen Hines case SingleThread: return bitc::SYNCHSCOPE_SINGLETHREAD; 1399b044ec938fd56355012851890c63974c8042c9fStephen Hines case CrossThread: return bitc::SYNCHSCOPE_CROSSTHREAD; 1409b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1419b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1429b044ec938fd56355012851890c63974c8042c9fStephen Hines 1439b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteStringRecord(unsigned Code, StringRef Str, 1449b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse, BitstreamWriter &Stream) { 1459b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> Vals; 1469b044ec938fd56355012851890c63974c8042c9fStephen Hines 1479b044ec938fd56355012851890c63974c8042c9fStephen Hines // Code: [strchar x N] 1489b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = Str.size(); i != e; ++i) { 1499b044ec938fd56355012851890c63974c8042c9fStephen Hines if (AbbrevToUse && !BitCodeAbbrevOp::isChar6(Str[i])) 1509b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = 0; 1519b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Str[i]); 1529b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1539b044ec938fd56355012851890c63974c8042c9fStephen Hines 1549b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the finished record. 1559b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 1569b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1579b044ec938fd56355012851890c63974c8042c9fStephen Hines 1589b044ec938fd56355012851890c63974c8042c9fStephen Hines// Emit information about parameter attributes. 1599937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hinesstatic void WriteAttributeTable(const llvm_2_9_func::ValueEnumerator &VE, 1609b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 16123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines const std::vector<AttributeSet> &Attrs = VE.getAttributes(); 1629b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Attrs.empty()) return; 1639b044ec938fd56355012851890c63974c8042c9fStephen Hines 1649b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::PARAMATTR_BLOCK_ID, 3); 1659b044ec938fd56355012851890c63974c8042c9fStephen Hines 1669b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 1679b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = Attrs.size(); i != e; ++i) { 16823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines const AttributeSet &A = Attrs[i]; 1698bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) { 1708bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines Record.push_back(A.getSlotIndex(i)); 1718bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines Record.push_back(encodeLLVMAttributesForBitcode(A, A.getSlotIndex(i))); 1728bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines } 1739b044ec938fd56355012851890c63974c8042c9fStephen Hines 1748bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines // This needs to use the 3.2 entry type 1758bb06b7c40b14ce2dae414b0aa034e9b23b278c9Stephen Hines Stream.EmitRecord(bitc::PARAMATTR_CODE_ENTRY_OLD, Record); 1769b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 1779b044ec938fd56355012851890c63974c8042c9fStephen Hines } 1789b044ec938fd56355012851890c63974c8042c9fStephen Hines 1799b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 1809b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1819b044ec938fd56355012851890c63974c8042c9fStephen Hines 1829b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteTypeTable - Write out the type table for a module. 1839937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hinesstatic void WriteTypeTable(const llvm_2_9_func::ValueEnumerator &VE, 1849937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines BitstreamWriter &Stream) { 1859937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines const llvm_2_9_func::ValueEnumerator::TypeList &TypeList = VE.getTypes(); 1869b044ec938fd56355012851890c63974c8042c9fStephen Hines 1879b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::TYPE_BLOCK_ID_NEW, 4 /*count from # abbrevs */); 1889b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> TypeVals; 1899b044ec938fd56355012851890c63974c8042c9fStephen Hines 190c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines uint64_t NumBits = Log2_32_Ceil(VE.getTypes().size()+1); 191c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 1929b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_POINTER. 1939b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 1949b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_POINTER)); 195c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 1969b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); // Addrspace = 0 1979b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned PtrAbbrev = Stream.EmitAbbrev(Abbv); 1989b044ec938fd56355012851890c63974c8042c9fStephen Hines 1999b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_FUNCTION. 2009b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2019b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_FUNCTION_OLD)); 2029b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isvararg 2039b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); // FIXME: DEAD value, remove in LLVM 3.0 2049b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 205c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 2069b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned FunctionAbbrev = Stream.EmitAbbrev(Abbv); 2079b044ec938fd56355012851890c63974c8042c9fStephen Hines 2089b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_STRUCT_ANON. 2099b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2109b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_ANON)); 2119b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 2129b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 213c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 2149b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned StructAnonAbbrev = Stream.EmitAbbrev(Abbv); 2159b044ec938fd56355012851890c63974c8042c9fStephen Hines 2169b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAME. 2179b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2189b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAME)); 2199b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 2209b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 2219b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned StructNameAbbrev = Stream.EmitAbbrev(Abbv); 2229b044ec938fd56355012851890c63974c8042c9fStephen Hines 2239b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_STRUCT_NAMED. 2249b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2259b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_STRUCT_NAMED)); 2269b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ispacked 2279b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 228c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 2299b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned StructNamedAbbrev = Stream.EmitAbbrev(Abbv); 23023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 2319b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for TYPE_CODE_ARRAY. 2329b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 2339b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_ARRAY)); 2349b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // size 235c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); 236c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 2379b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned ArrayAbbrev = Stream.EmitAbbrev(Abbv); 2389b044ec938fd56355012851890c63974c8042c9fStephen Hines 2399b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit an entry count so the reader can reserve space. 2409b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(TypeList.size()); 2419b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::TYPE_CODE_NUMENTRY, TypeVals); 2429b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.clear(); 2439b044ec938fd56355012851890c63974c8042c9fStephen Hines 2449b044ec938fd56355012851890c63974c8042c9fStephen Hines // Loop over all of the types, emitting each in turn. 2459b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = TypeList.size(); i != e; ++i) { 2469b044ec938fd56355012851890c63974c8042c9fStephen Hines Type *T = TypeList[i]; 2479b044ec938fd56355012851890c63974c8042c9fStephen Hines int AbbrevToUse = 0; 2489b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned Code = 0; 2499b044ec938fd56355012851890c63974c8042c9fStephen Hines 2509b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (T->getTypeID()) { 2519b044ec938fd56355012851890c63974c8042c9fStephen Hines default: llvm_unreachable("Unknown type!"); 2529b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::VoidTyID: Code = bitc::TYPE_CODE_VOID; break; 2539b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::FloatTyID: Code = bitc::TYPE_CODE_FLOAT; break; 2549b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::DoubleTyID: Code = bitc::TYPE_CODE_DOUBLE; break; 2559b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::X86_FP80TyID: Code = bitc::TYPE_CODE_X86_FP80; break; 2569b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::FP128TyID: Code = bitc::TYPE_CODE_FP128; break; 2579b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::PPC_FP128TyID: Code = bitc::TYPE_CODE_PPC_FP128; break; 2589b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::LabelTyID: Code = bitc::TYPE_CODE_LABEL; break; 2599b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::MetadataTyID: Code = bitc::TYPE_CODE_METADATA; break; 2609b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::X86_MMXTyID: Code = bitc::TYPE_CODE_X86_MMX; break; 2619b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::IntegerTyID: 2629b044ec938fd56355012851890c63974c8042c9fStephen Hines // INTEGER: [width] 2639b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_INTEGER; 2649b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(cast<IntegerType>(T)->getBitWidth()); 2659b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 2669b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::PointerTyID: { 2679b044ec938fd56355012851890c63974c8042c9fStephen Hines PointerType *PTy = cast<PointerType>(T); 2689b044ec938fd56355012851890c63974c8042c9fStephen Hines // POINTER: [pointee type, address space] 2699b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_POINTER; 2709b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(PTy->getElementType())); 2719b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AddressSpace = PTy->getAddressSpace(); 2729b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(AddressSpace); 2739b044ec938fd56355012851890c63974c8042c9fStephen Hines if (AddressSpace == 0) AbbrevToUse = PtrAbbrev; 2749b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 2759b044ec938fd56355012851890c63974c8042c9fStephen Hines } 2769b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::FunctionTyID: { 2779b044ec938fd56355012851890c63974c8042c9fStephen Hines FunctionType *FT = cast<FunctionType>(T); 2789b044ec938fd56355012851890c63974c8042c9fStephen Hines // FUNCTION: [isvararg, attrid, retty, paramty x N] 2799b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_FUNCTION_OLD; 2809b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(FT->isVarArg()); 2819b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(0); // FIXME: DEAD: remove in llvm 3.0 2829b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(FT->getReturnType())); 2839b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) 2849b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(FT->getParamType(i))); 2859b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FunctionAbbrev; 2869b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 2879b044ec938fd56355012851890c63974c8042c9fStephen Hines } 2889b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::StructTyID: { 2899b044ec938fd56355012851890c63974c8042c9fStephen Hines StructType *ST = cast<StructType>(T); 2909b044ec938fd56355012851890c63974c8042c9fStephen Hines // STRUCT: [ispacked, eltty x N] 2919b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(ST->isPacked()); 2929b044ec938fd56355012851890c63974c8042c9fStephen Hines // Output all of the element types. 2939b044ec938fd56355012851890c63974c8042c9fStephen Hines for (StructType::element_iterator I = ST->element_begin(), 2949b044ec938fd56355012851890c63974c8042c9fStephen Hines E = ST->element_end(); I != E; ++I) 2959b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(*I)); 296c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 2979b044ec938fd56355012851890c63974c8042c9fStephen Hines if (ST->isLiteral()) { 2989b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_STRUCT_ANON; 2999b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = StructAnonAbbrev; 3009b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 3019b044ec938fd56355012851890c63974c8042c9fStephen Hines if (ST->isOpaque()) { 3029b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_OPAQUE; 3039b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 3049b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_STRUCT_NAMED; 3059b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = StructNamedAbbrev; 3069b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3079b044ec938fd56355012851890c63974c8042c9fStephen Hines 3089b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the name if it is present. 3099b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!ST->getName().empty()) 3109b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::TYPE_CODE_STRUCT_NAME, ST->getName(), 3119b044ec938fd56355012851890c63974c8042c9fStephen Hines StructNameAbbrev, Stream); 3129b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3139b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 3149b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3159b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::ArrayTyID: { 3169b044ec938fd56355012851890c63974c8042c9fStephen Hines ArrayType *AT = cast<ArrayType>(T); 3179b044ec938fd56355012851890c63974c8042c9fStephen Hines // ARRAY: [numelts, eltty] 3189b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_ARRAY; 3199b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(AT->getNumElements()); 3209b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(AT->getElementType())); 3219b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = ArrayAbbrev; 3229b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 3239b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3249b044ec938fd56355012851890c63974c8042c9fStephen Hines case Type::VectorTyID: { 3259b044ec938fd56355012851890c63974c8042c9fStephen Hines VectorType *VT = cast<VectorType>(T); 3269b044ec938fd56355012851890c63974c8042c9fStephen Hines // VECTOR [numelts, eltty] 3279b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::TYPE_CODE_VECTOR; 3289b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VT->getNumElements()); 3299b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.push_back(VE.getTypeID(VT->getElementType())); 3309b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 3319b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3329b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3339b044ec938fd56355012851890c63974c8042c9fStephen Hines 3349b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the finished record. 3359b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, TypeVals, AbbrevToUse); 3369b044ec938fd56355012851890c63974c8042c9fStephen Hines TypeVals.clear(); 3379b044ec938fd56355012851890c63974c8042c9fStephen Hines } 3389b044ec938fd56355012851890c63974c8042c9fStephen Hines 3399b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 3409b044ec938fd56355012851890c63974c8042c9fStephen Hines} 3419b044ec938fd56355012851890c63974c8042c9fStephen Hines 342c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic unsigned getEncodedLinkage(const GlobalValue &GV) { 343c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines switch (GV.getLinkage()) { 344c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::ExternalLinkage: 345c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 0; 346c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::WeakAnyLinkage: 347c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 1; 348c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::AppendingLinkage: 349c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 2; 350c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::InternalLinkage: 351c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 3; 352c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::LinkOnceAnyLinkage: 353c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 4; 354c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::ExternalWeakLinkage: 355c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 7; 356c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::CommonLinkage: 357c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 8; 358c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::PrivateLinkage: 359c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 9; 360c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::WeakODRLinkage: 361c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 10; 362c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::LinkOnceODRLinkage: 363c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 11; 364c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case GlobalValue::AvailableExternallyLinkage: 365c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return 12; 3669b044ec938fd56355012851890c63974c8042c9fStephen Hines } 367376dc03c6bb42050ddd8a56d1a3e3c6f5d6f6e1dStephen Hines llvm_unreachable("Invalid linkage"); 3689b044ec938fd56355012851890c63974c8042c9fStephen Hines} 3699b044ec938fd56355012851890c63974c8042c9fStephen Hines 370c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic unsigned getEncodedVisibility(const GlobalValue &GV) { 371c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines switch (GV.getVisibility()) { 3729b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::DefaultVisibility: return 0; 3739b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::HiddenVisibility: return 1; 3749b044ec938fd56355012851890c63974c8042c9fStephen Hines case GlobalValue::ProtectedVisibility: return 2; 3759b044ec938fd56355012851890c63974c8042c9fStephen Hines } 376c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines llvm_unreachable("Invalid visibility"); 3779b044ec938fd56355012851890c63974c8042c9fStephen Hines} 3789b044ec938fd56355012851890c63974c8042c9fStephen Hines 3799b044ec938fd56355012851890c63974c8042c9fStephen Hines// Emit top-level description of module, including target triple, inline asm, 3809b044ec938fd56355012851890c63974c8042c9fStephen Hines// descriptors for global variables, and function prototype info. 3819937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hinesstatic void WriteModuleInfo(const Module *M, 3829937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines const llvm_2_9_func::ValueEnumerator &VE, 3839b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 3849b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit various pieces of data attached to a module. 3859b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!M->getTargetTriple().empty()) 3869b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::MODULE_CODE_TRIPLE, M->getTargetTriple(), 3879b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 388c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const std::string &DL = M->getDataLayoutStr(); 389c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!DL.empty()) 390c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteStringRecord(bitc::MODULE_CODE_DATALAYOUT, DL, 0 /*TODO*/, Stream); 3919b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!M->getModuleInlineAsm().empty()) 3929b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteStringRecord(bitc::MODULE_CODE_ASM, M->getModuleInlineAsm(), 3939b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 3949b044ec938fd56355012851890c63974c8042c9fStephen Hines 3959b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit information about sections and GC, computing how many there are. Also 3969b044ec938fd56355012851890c63974c8042c9fStephen Hines // compute the maximum alignment value. 3979b044ec938fd56355012851890c63974c8042c9fStephen Hines std::map<std::string, unsigned> SectionMap; 3989b044ec938fd56355012851890c63974c8042c9fStephen Hines std::map<std::string, unsigned> GCMap; 3999b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned MaxAlignment = 0; 4009b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned MaxGlobalType = 0; 401c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const GlobalValue &GV : M->globals()) { 402c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MaxAlignment = std::max(MaxAlignment, GV.getAlignment()); 403c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MaxGlobalType = std::max(MaxGlobalType, VE.getTypeID(GV.getType())); 404c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (GV.hasSection()) { 405c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Give section names unique ID's. 406c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned &Entry = SectionMap[GV.getSection()]; 407c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!Entry) { 408c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, GV.getSection(), 409c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 0/*TODO*/, Stream); 410c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Entry = SectionMap.size(); 411c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 412c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 4139b044ec938fd56355012851890c63974c8042c9fStephen Hines } 414c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const Function &F : *M) { 415c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MaxAlignment = std::max(MaxAlignment, F.getAlignment()); 416c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (F.hasSection()) { 4179b044ec938fd56355012851890c63974c8042c9fStephen Hines // Give section names unique ID's. 418c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned &Entry = SectionMap[F.getSection()]; 4199b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!Entry) { 420c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteStringRecord(bitc::MODULE_CODE_SECTIONNAME, F.getSection(), 4219b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 4229b044ec938fd56355012851890c63974c8042c9fStephen Hines Entry = SectionMap.size(); 4239b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4249b044ec938fd56355012851890c63974c8042c9fStephen Hines } 425c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (F.hasGC()) { 4269b044ec938fd56355012851890c63974c8042c9fStephen Hines // Same for GC names. 427c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned &Entry = GCMap[F.getGC()]; 4289b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!Entry) { 429c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteStringRecord(bitc::MODULE_CODE_GCNAME, F.getGC(), 4309b044ec938fd56355012851890c63974c8042c9fStephen Hines 0/*TODO*/, Stream); 4319b044ec938fd56355012851890c63974c8042c9fStephen Hines Entry = GCMap.size(); 4329b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4339b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4349b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4359b044ec938fd56355012851890c63974c8042c9fStephen Hines 4369b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit abbrev for globals, now that we know # sections and max alignment. 4379b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned SimpleGVarAbbrev = 0; 4389b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!M->global_empty()) { 4399b044ec938fd56355012851890c63974c8042c9fStephen Hines // Add an abbrev for common globals with no visibility or thread localness. 4409b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 4419b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::MODULE_CODE_GLOBALVAR)); 4429b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4439b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(MaxGlobalType+1))); 4449b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Constant. 4459b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Initializer. 4469b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // Linkage. 4479b044ec938fd56355012851890c63974c8042c9fStephen Hines if (MaxAlignment == 0) // Alignment. 4489b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 4499b044ec938fd56355012851890c63974c8042c9fStephen Hines else { 4509b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned MaxEncAlignment = Log2_32(MaxAlignment)+1; 4519b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4529b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(MaxEncAlignment+1))); 4539b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4549b044ec938fd56355012851890c63974c8042c9fStephen Hines if (SectionMap.empty()) // Section. 4559b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(0)); 4569b044ec938fd56355012851890c63974c8042c9fStephen Hines else 4579b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4589b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(SectionMap.size()+1))); 4599b044ec938fd56355012851890c63974c8042c9fStephen Hines // Don't bother emitting vis + thread local. 4609b044ec938fd56355012851890c63974c8042c9fStephen Hines SimpleGVarAbbrev = Stream.EmitAbbrev(Abbv); 4619b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4629b044ec938fd56355012851890c63974c8042c9fStephen Hines 4639b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the global variable information. 4649b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> Vals; 465c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const GlobalVariable &GV : M->globals()) { 4669b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 4679b044ec938fd56355012851890c63974c8042c9fStephen Hines 4689b044ec938fd56355012851890c63974c8042c9fStephen Hines // GLOBALVAR: [type, isconst, initid, 4699b044ec938fd56355012851890c63974c8042c9fStephen Hines // linkage, alignment, section, visibility, threadlocal, 4709b044ec938fd56355012851890c63974c8042c9fStephen Hines // unnamed_addr] 471c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getTypeID(GV.getType())); 472c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.isConstant()); 473c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.isDeclaration() ? 0 : 474c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines (VE.getValueID(GV.getInitializer()) + 1)); 4759b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedLinkage(GV)); 476c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(Log2_32(GV.getAlignment())+1); 477c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.hasSection() ? SectionMap[GV.getSection()] : 0); 478c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (GV.isThreadLocal() || 479c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines GV.getVisibility() != GlobalValue::DefaultVisibility || 480c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines GV.hasUnnamedAddr()) { 4819b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedVisibility(GV)); 482c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.isThreadLocal()); 483c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(GV.hasUnnamedAddr()); 4849b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 4859b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = SimpleGVarAbbrev; 4869b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4879b044ec938fd56355012851890c63974c8042c9fStephen Hines 4889b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_GLOBALVAR, Vals, AbbrevToUse); 4899b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 4909b044ec938fd56355012851890c63974c8042c9fStephen Hines } 4919b044ec938fd56355012851890c63974c8042c9fStephen Hines 4929b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the function proto information. 493c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const Function &F : *M) { 4949b044ec938fd56355012851890c63974c8042c9fStephen Hines // FUNCTION: [type, callingconv, isproto, paramattr, 4959b044ec938fd56355012851890c63974c8042c9fStephen Hines // linkage, alignment, section, visibility, gc, unnamed_addr] 496c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getTypeID(F.getType())); 497c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.getCallingConv()); 498c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.isDeclaration()); 4999b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedLinkage(F)); 500c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getAttributeID(F.getAttributes())); 501c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(Log2_32(F.getAlignment())+1); 502c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.hasSection() ? SectionMap[F.getSection()] : 0); 5039b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(getEncodedVisibility(F)); 504c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.hasGC() ? GCMap[F.getGC()] : 0); 505c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(F.hasUnnamedAddr()); 5069b044ec938fd56355012851890c63974c8042c9fStephen Hines 5079b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 5089b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse); 5099b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 5109b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5119b044ec938fd56355012851890c63974c8042c9fStephen Hines 5129b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the alias information. 513c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const GlobalAlias &A : M->aliases()) { 514c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getTypeID(A.getType())); 515c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getValueID(A.getAliasee())); 516c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(getEncodedLinkage(A)); 517c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(getEncodedVisibility(A)); 5189b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 5199b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_ALIAS, Vals, AbbrevToUse); 5209b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 5219b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5229b044ec938fd56355012851890c63974c8042c9fStephen Hines} 5239b044ec938fd56355012851890c63974c8042c9fStephen Hines 5249b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic uint64_t GetOptimizationFlags(const Value *V) { 5259b044ec938fd56355012851890c63974c8042c9fStephen Hines uint64_t Flags = 0; 5269b044ec938fd56355012851890c63974c8042c9fStephen Hines 527c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (const auto *OBO = dyn_cast<OverflowingBinaryOperator>(V)) { 5289b044ec938fd56355012851890c63974c8042c9fStephen Hines if (OBO->hasNoSignedWrap()) 5299b044ec938fd56355012851890c63974c8042c9fStephen Hines Flags |= 1 << bitc::OBO_NO_SIGNED_WRAP; 5309b044ec938fd56355012851890c63974c8042c9fStephen Hines if (OBO->hasNoUnsignedWrap()) 5319b044ec938fd56355012851890c63974c8042c9fStephen Hines Flags |= 1 << bitc::OBO_NO_UNSIGNED_WRAP; 532c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } else if (const auto *PEO = dyn_cast<PossiblyExactOperator>(V)) { 5339b044ec938fd56355012851890c63974c8042c9fStephen Hines if (PEO->isExact()) 5349b044ec938fd56355012851890c63974c8042c9fStephen Hines Flags |= 1 << bitc::PEO_EXACT; 5359b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5369b044ec938fd56355012851890c63974c8042c9fStephen Hines 5379b044ec938fd56355012851890c63974c8042c9fStephen Hines return Flags; 5389b044ec938fd56355012851890c63974c8042c9fStephen Hines} 5399b044ec938fd56355012851890c63974c8042c9fStephen Hines 540c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic void WriteValueAsMetadata(const ValueAsMetadata *MD, 541c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const llvm_2_9_func::ValueEnumerator &VE, 542c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitstreamWriter &Stream, 543c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVectorImpl<uint64_t> &Record) { 544c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Mimic an MDNode with a value as one operand. 545c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Value *V = MD->getValue(); 546c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getTypeID(V->getType())); 547c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getValueID(V)); 548c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_OLD_NODE, Record, 0); 549c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.clear(); 550c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines} 551c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 552c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic void WriteMDTuple(const MDTuple *N, const llvm_2_9_func::ValueEnumerator &VE, 553c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitstreamWriter &Stream, 554c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVectorImpl<uint64_t> &Record, unsigned Abbrev) { 5559b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 556c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Metadata *MD = N->getOperand(i); 557c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines assert(!(MD && isa<LocalAsMetadata>(MD)) && 558c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines "Unexpected function-local metadata"); 559c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!MD) { 560c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // TODO(srhines): I don't believe this case can exist for RS. 561c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getTypeID(llvm::Type::getVoidTy(N->getContext()))); 5629b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(0); 563c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } else if (const auto *MDC = dyn_cast<ConstantAsMetadata>(MD)) { 564c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getTypeID(MDC->getType())); 565c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getValueID(MDC->getValue())); 566c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } else { 567c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getTypeID( 568c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines llvm::Type::getMetadataTy(N->getContext()))); 569c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataID(MD)); 5709b044ec938fd56355012851890c63974c8042c9fStephen Hines } 5719b044ec938fd56355012851890c63974c8042c9fStephen Hines } 572c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_OLD_NODE, Record, Abbrev); 5739b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 5749b044ec938fd56355012851890c63974c8042c9fStephen Hines} 5759b044ec938fd56355012851890c63974c8042c9fStephen Hines 576c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines/*static void WriteMDLocation(const MDLocation *N, const llvm_2_9_func::ValueEnumerator &VE, 577c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitstreamWriter &Stream, 578c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVectorImpl<uint64_t> &Record, 579c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned Abbrev) { 580c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(N->isDistinct()); 581c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(N->getLine()); 582c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(N->getColumn()); 583c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataID(N->getScope())); 584c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataOrNullID(N->getInlinedAt())); 585c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 586c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_LOCATION, Record, Abbrev); 587c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.clear(); 588c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines} 589c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 590c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hinesstatic void WriteGenericDebugNode(const GenericDebugNode *, 591c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const llvm_2_9_func::ValueEnumerator &, BitstreamWriter &, 592c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVectorImpl<uint64_t> &, unsigned) { 593c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines llvm_unreachable("unimplemented"); 594c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines}*/ 595c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 5969b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteModuleMetadata(const Module *M, 5979937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines const llvm_2_9_func::ValueEnumerator &VE, 5989b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 599c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const auto &MDs = VE.getMDs(); 600c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (MDs.empty() && M->named_metadata_empty()) 601c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines return; 602c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 603c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // RenderScript files *ALWAYS* have metadata! 604c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 605c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 6069b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned MDSAbbrev = 0; 607c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (VE.hasMDString()) { 608c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Abbrev for METADATA_STRING. 609c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 610c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_STRING)); 611c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 612c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 613c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MDSAbbrev = Stream.EmitAbbrev(Abbv); 614c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 6159b044ec938fd56355012851890c63974c8042c9fStephen Hines 616c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned MDLocationAbbrev = 0; 6171906a00dce8e32fe3bb8a957e333ebbbee0888e3Pirama Arumuga Nainar if (VE.hasDILocation()) { 618c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // TODO(srhines): Should be unreachable for RenderScript. 619c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Abbrev for METADATA_LOCATION. 620c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // 621c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Assume the column is usually under 128, and always output the inlined-at 622c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // location (it's never more expensive than building an array size 1). 623c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 624c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_LOCATION)); 625c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); 626c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 627c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 628c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 629c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 630c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines MDLocationAbbrev = Stream.EmitAbbrev(Abbv); 631c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 6329b044ec938fd56355012851890c63974c8042c9fStephen Hines 633c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned NameAbbrev = 0; 634c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!M->named_metadata_empty()) { 635c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Abbrev for METADATA_NAME. 636c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 637c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_NAME)); 638c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 639c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 640c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines NameAbbrev = Stream.EmitAbbrev(Abbv); 641c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 6429b044ec938fd56355012851890c63974c8042c9fStephen Hines 643c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines unsigned MDTupleAbbrev = 0; 644c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines //unsigned GenericDebugNodeAbbrev = 0; 645c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVector<uint64_t, 64> Record; 646c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const Metadata *MD : MDs) { 647c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (const MDNode *N = dyn_cast<MDNode>(MD)) { 648c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines switch (N->getMetadataID()) { 649c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines default: 650c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines llvm_unreachable("Invalid MDNode subclass"); 651c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines#define HANDLE_SPECIALIZED_MDNODE_LEAF(CLASS) 652c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines#define HANDLE_MDNODE_LEAF(CLASS) \ 653c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines case Metadata::CLASS##Kind: \ 654c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Write##CLASS(cast<CLASS>(N), VE, Stream, Record, CLASS##Abbrev); \ 655c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines continue; 656c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines#include "llvm/IR/Metadata.def" 657c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 6589b044ec938fd56355012851890c63974c8042c9fStephen Hines } 659c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (const auto *MDC = dyn_cast<ConstantAsMetadata>(MD)) { 660c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteValueAsMetadata(MDC, VE, Stream, Record); 661c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines continue; 662c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 663c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const MDString *MDS = cast<MDString>(MD); 664c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Code: [strchar x N] 665c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.append(MDS->bytes_begin(), MDS->bytes_end()); 666c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines 667c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines // Emit the finished record. 668c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_STRING, Record, MDSAbbrev); 669c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.clear(); 6709b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6719b044ec938fd56355012851890c63974c8042c9fStephen Hines 6729b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write named metadata. 673c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const NamedMDNode &NMD : M->named_metadata()) { 6749b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write name. 675c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines StringRef Str = NMD.getName(); 676c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.append(Str.bytes_begin(), Str.bytes_end()); 677c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EmitRecord(bitc::METADATA_NAME, Record, NameAbbrev); 6789b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 6799b044ec938fd56355012851890c63974c8042c9fStephen Hines 6809b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write named metadata operands. 681c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (const MDNode *N : NMD.operands()) 682c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataID(N)); 6839b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0); 6849b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 6859b044ec938fd56355012851890c63974c8042c9fStephen Hines } 6869b044ec938fd56355012851890c63974c8042c9fStephen Hines 687c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.ExitBlock(); 6889b044ec938fd56355012851890c63974c8042c9fStephen Hines} 6899b044ec938fd56355012851890c63974c8042c9fStephen Hines 6909b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteFunctionLocalMetadata(const Function &F, 6919937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines const llvm_2_9_func::ValueEnumerator &VE, 6929b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 6939b044ec938fd56355012851890c63974c8042c9fStephen Hines bool StartedMetadataBlock = false; 6949b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 695c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines const SmallVectorImpl<const LocalAsMetadata *> &MDs = 696c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines VE.getFunctionLocalMDs(); 697c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (unsigned i = 0, e = MDs.size(); i != e; ++i) { 698c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines assert(MDs[i] && "Expected valid function-local metadata"); 699c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines if (!StartedMetadataBlock) { 700c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 701c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines StartedMetadataBlock = true; 702c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 703c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines WriteValueAsMetadata(MDs[i], VE, Stream, Record); 704c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines } 70523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 7069b044ec938fd56355012851890c63974c8042c9fStephen Hines if (StartedMetadataBlock) 7079b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 7089b044ec938fd56355012851890c63974c8042c9fStephen Hines} 7099b044ec938fd56355012851890c63974c8042c9fStephen Hines 7109b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteMetadataAttachment(const Function &F, 7119937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines const llvm_2_9_func::ValueEnumerator &VE, 7129b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 7139b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3); 7149b044ec938fd56355012851890c63974c8042c9fStephen Hines 7159b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 7169b044ec938fd56355012851890c63974c8042c9fStephen Hines 7179b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write metadata attachments 7189b044ec938fd56355012851890c63974c8042c9fStephen Hines // METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]] 719c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines SmallVector<std::pair<unsigned, MDNode *>, 4> MDs; 72023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 7219b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 7229b044ec938fd56355012851890c63974c8042c9fStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 7239b044ec938fd56355012851890c63974c8042c9fStephen Hines I != E; ++I) { 7249b044ec938fd56355012851890c63974c8042c9fStephen Hines MDs.clear(); 7259b044ec938fd56355012851890c63974c8042c9fStephen Hines I->getAllMetadataOtherThanDebugLoc(MDs); 72623c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 7279b044ec938fd56355012851890c63974c8042c9fStephen Hines // If no metadata, ignore instruction. 7289b044ec938fd56355012851890c63974c8042c9fStephen Hines if (MDs.empty()) continue; 7299b044ec938fd56355012851890c63974c8042c9fStephen Hines 7309b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getInstructionID(I)); 73123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 7329b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = MDs.size(); i != e; ++i) { 7339b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(MDs[i].first); 734c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Record.push_back(VE.getMetadataID(MDs[i].second)); 7359b044ec938fd56355012851890c63974c8042c9fStephen Hines } 7369b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0); 7379b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 7389b044ec938fd56355012851890c63974c8042c9fStephen Hines } 7399b044ec938fd56355012851890c63974c8042c9fStephen Hines 7409b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 7419b044ec938fd56355012851890c63974c8042c9fStephen Hines} 7429b044ec938fd56355012851890c63974c8042c9fStephen Hines 7439b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteModuleMetadataStore(const Module *M, BitstreamWriter &Stream) { 7449b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 7459b044ec938fd56355012851890c63974c8042c9fStephen Hines 7469b044ec938fd56355012851890c63974c8042c9fStephen Hines // Write metadata kinds 7479b044ec938fd56355012851890c63974c8042c9fStephen Hines // METADATA_KIND - [n x [id, name]] 7489b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<StringRef, 4> Names; 7499b044ec938fd56355012851890c63974c8042c9fStephen Hines M->getMDKindNames(Names); 75023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 7519b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Names.empty()) return; 7529b044ec938fd56355012851890c63974c8042c9fStephen Hines 7539b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); 75423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 7559b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned MDKindID = 0, e = Names.size(); MDKindID != e; ++MDKindID) { 7569b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(MDKindID); 7579b044ec938fd56355012851890c63974c8042c9fStephen Hines StringRef KName = Names[MDKindID]; 7589b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.append(KName.begin(), KName.end()); 75923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 7609b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::METADATA_KIND, Record, 0); 7619b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 7629b044ec938fd56355012851890c63974c8042c9fStephen Hines } 7639b044ec938fd56355012851890c63974c8042c9fStephen Hines 7649b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 7659b044ec938fd56355012851890c63974c8042c9fStephen Hines} 7669b044ec938fd56355012851890c63974c8042c9fStephen Hines 7679b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteConstants(unsigned FirstVal, unsigned LastVal, 7689937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines const llvm_2_9_func::ValueEnumerator &VE, 7699b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream, bool isGlobal) { 7709b044ec938fd56355012851890c63974c8042c9fStephen Hines if (FirstVal == LastVal) return; 7719b044ec938fd56355012851890c63974c8042c9fStephen Hines 7729b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::CONSTANTS_BLOCK_ID, 4); 7739b044ec938fd56355012851890c63974c8042c9fStephen Hines 7749b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AggregateAbbrev = 0; 7759b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned String8Abbrev = 0; 7769b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned CString7Abbrev = 0; 7779b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned CString6Abbrev = 0; 7789b044ec938fd56355012851890c63974c8042c9fStephen Hines // If this is a constant pool for the module, emit module-specific abbrevs. 7799b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isGlobal) { 7809b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for CST_CODE_AGGREGATE. 7819b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 7829b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_AGGREGATE)); 7839b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 7849b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, Log2_32_Ceil(LastVal+1))); 7859b044ec938fd56355012851890c63974c8042c9fStephen Hines AggregateAbbrev = Stream.EmitAbbrev(Abbv); 7869b044ec938fd56355012851890c63974c8042c9fStephen Hines 7879b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for CST_CODE_STRING. 7889b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 7899b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_STRING)); 7909b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 7919b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 7929b044ec938fd56355012851890c63974c8042c9fStephen Hines String8Abbrev = Stream.EmitAbbrev(Abbv); 7939b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for CST_CODE_CSTRING. 7949b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 7959b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 7969b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 7979b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 7989b044ec938fd56355012851890c63974c8042c9fStephen Hines CString7Abbrev = Stream.EmitAbbrev(Abbv); 7999b044ec938fd56355012851890c63974c8042c9fStephen Hines // Abbrev for CST_CODE_CSTRING. 8009b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv = new BitCodeAbbrev(); 8019b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CSTRING)); 8029b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 8039b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 8049b044ec938fd56355012851890c63974c8042c9fStephen Hines CString6Abbrev = Stream.EmitAbbrev(Abbv); 8059b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8069b044ec938fd56355012851890c63974c8042c9fStephen Hines 8079b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<uint64_t, 64> Record; 8089b044ec938fd56355012851890c63974c8042c9fStephen Hines 8099937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines const llvm_2_9_func::ValueEnumerator::ValueList &Vals = VE.getValues(); 810c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Type *LastTy = nullptr; 8119b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = FirstVal; i != LastVal; ++i) { 8129b044ec938fd56355012851890c63974c8042c9fStephen Hines const Value *V = Vals[i].first; 8139b044ec938fd56355012851890c63974c8042c9fStephen Hines // If we need to switch types, do so now. 8149b044ec938fd56355012851890c63974c8042c9fStephen Hines if (V->getType() != LastTy) { 8159b044ec938fd56355012851890c63974c8042c9fStephen Hines LastTy = V->getType(); 8169b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(LastTy)); 8179b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::CST_CODE_SETTYPE, Record, 8189b044ec938fd56355012851890c63974c8042c9fStephen Hines CONSTANTS_SETTYPE_ABBREV); 8199b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 8209b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8219b044ec938fd56355012851890c63974c8042c9fStephen Hines 8229b044ec938fd56355012851890c63974c8042c9fStephen Hines if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) { 8239b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(unsigned(IA->hasSideEffects()) | 8249b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned(IA->isAlignStack()) << 1); 8259b044ec938fd56355012851890c63974c8042c9fStephen Hines 8269b044ec938fd56355012851890c63974c8042c9fStephen Hines // Add the asm string. 8279b044ec938fd56355012851890c63974c8042c9fStephen Hines const std::string &AsmStr = IA->getAsmString(); 8289b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(AsmStr.size()); 8299b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = AsmStr.size(); i != e; ++i) 8309b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(AsmStr[i]); 8319b044ec938fd56355012851890c63974c8042c9fStephen Hines 8329b044ec938fd56355012851890c63974c8042c9fStephen Hines // Add the constraint string. 8339b044ec938fd56355012851890c63974c8042c9fStephen Hines const std::string &ConstraintStr = IA->getConstraintString(); 8349b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(ConstraintStr.size()); 8359b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = ConstraintStr.size(); i != e; ++i) 8369b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(ConstraintStr[i]); 8379b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::CST_CODE_INLINEASM, Record); 8389b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 8399b044ec938fd56355012851890c63974c8042c9fStephen Hines continue; 8409b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8419b044ec938fd56355012851890c63974c8042c9fStephen Hines const Constant *C = cast<Constant>(V); 8429b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned Code = -1U; 8439b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 8449b044ec938fd56355012851890c63974c8042c9fStephen Hines if (C->isNullValue()) { 8459b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_NULL; 8469b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (isa<UndefValue>(C)) { 8479b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_UNDEF; 8489b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) { 8499b044ec938fd56355012851890c63974c8042c9fStephen Hines if (IV->getBitWidth() <= 64) { 8509b044ec938fd56355012851890c63974c8042c9fStephen Hines uint64_t V = IV->getSExtValue(); 8519b044ec938fd56355012851890c63974c8042c9fStephen Hines if ((int64_t)V >= 0) 8529b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(V << 1); 8539b044ec938fd56355012851890c63974c8042c9fStephen Hines else 8549b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back((-V << 1) | 1); 8559b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_INTEGER; 8569b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = CONSTANTS_INTEGER_ABBREV; 8579b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { // Wide integers, > 64 bits in size. 8589b044ec938fd56355012851890c63974c8042c9fStephen Hines // We have an arbitrary precision integer value to write whose 8599b044ec938fd56355012851890c63974c8042c9fStephen Hines // bit width is > 64. However, in canonical unsigned integer 8609b044ec938fd56355012851890c63974c8042c9fStephen Hines // format it is likely that the high bits are going to be zero. 8619b044ec938fd56355012851890c63974c8042c9fStephen Hines // So, we only write the number of active words. 8629b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned NWords = IV->getValue().getActiveWords(); 8639b044ec938fd56355012851890c63974c8042c9fStephen Hines const uint64_t *RawWords = IV->getValue().getRawData(); 8649b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0; i != NWords; ++i) { 8659b044ec938fd56355012851890c63974c8042c9fStephen Hines int64_t V = RawWords[i]; 8669b044ec938fd56355012851890c63974c8042c9fStephen Hines if (V >= 0) 8679b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(V << 1); 8689b044ec938fd56355012851890c63974c8042c9fStephen Hines else 8699b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back((-V << 1) | 1); 8709b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8719b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_WIDE_INTEGER; 8729b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8739b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C)) { 8749b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_FLOAT; 8759b044ec938fd56355012851890c63974c8042c9fStephen Hines Type *Ty = CFP->getType(); 8769b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Ty->isFloatTy() || Ty->isDoubleTy()) { 8779b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(CFP->getValueAPF().bitcastToAPInt().getZExtValue()); 8789b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (Ty->isX86_FP80Ty()) { 8799b044ec938fd56355012851890c63974c8042c9fStephen Hines // api needed to prevent premature destruction 8809b044ec938fd56355012851890c63974c8042c9fStephen Hines // bits are not in the same order as a normal i80 APInt, compensate. 8819b044ec938fd56355012851890c63974c8042c9fStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 8829b044ec938fd56355012851890c63974c8042c9fStephen Hines const uint64_t *p = api.getRawData(); 8839b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back((p[1] << 48) | (p[0] >> 16)); 8849b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(p[0] & 0xffffLL); 8859b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (Ty->isFP128Ty() || Ty->isPPC_FP128Ty()) { 8869b044ec938fd56355012851890c63974c8042c9fStephen Hines APInt api = CFP->getValueAPF().bitcastToAPInt(); 8879b044ec938fd56355012851890c63974c8042c9fStephen Hines const uint64_t *p = api.getRawData(); 8889b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(p[0]); 8899b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(p[1]); 8909b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 8919b044ec938fd56355012851890c63974c8042c9fStephen Hines assert (0 && "Unknown FP type!"); 8929b044ec938fd56355012851890c63974c8042c9fStephen Hines } 8930444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines } else if (isa<ConstantDataSequential>(C) && 8940444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines cast<ConstantDataSequential>(C)->isString()) { 8950444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines const ConstantDataSequential *Str = cast<ConstantDataSequential>(C); 8969b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit constant strings specially. 8970444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines unsigned NumElts = Str->getNumElements(); 8989b044ec938fd56355012851890c63974c8042c9fStephen Hines // If this is a null-terminated string, use the denser CSTRING encoding. 8990444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines if (Str->isCString()) { 9009b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CSTRING; 9010444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines --NumElts; // Don't encode the null, which isn't allowed by char6. 9029b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 9039b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_STRING; 9049b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = String8Abbrev; 9059b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9069b044ec938fd56355012851890c63974c8042c9fStephen Hines bool isCStr7 = Code == bitc::CST_CODE_CSTRING; 9079b044ec938fd56355012851890c63974c8042c9fStephen Hines bool isCStrChar6 = Code == bitc::CST_CODE_CSTRING; 9080444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines for (unsigned i = 0; i != NumElts; ++i) { 9090444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines unsigned char V = Str->getElementAsInteger(i); 9109b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(V); 9119b044ec938fd56355012851890c63974c8042c9fStephen Hines isCStr7 &= (V & 128) == 0; 9129b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isCStrChar6) 9139b044ec938fd56355012851890c63974c8042c9fStephen Hines isCStrChar6 = BitCodeAbbrevOp::isChar6(V); 9149b044ec938fd56355012851890c63974c8042c9fStephen Hines } 91523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 9169b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isCStrChar6) 9179b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = CString6Abbrev; 9189b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (isCStr7) 9199b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = CString7Abbrev; 92023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines } else if (const ConstantDataSequential *CDS = 9210444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines dyn_cast<ConstantDataSequential>(C)) { 922db37c900ebe6f0ae62a1f77327dd9e5a469ff11eStephen Hines // We must replace ConstantDataSequential's representation with the 923db37c900ebe6f0ae62a1f77327dd9e5a469ff11eStephen Hines // legacy ConstantArray/ConstantVector/ConstantStruct version. 924db37c900ebe6f0ae62a1f77327dd9e5a469ff11eStephen Hines // ValueEnumerator is similarly modified to mark the appropriate 925db37c900ebe6f0ae62a1f77327dd9e5a469ff11eStephen Hines // Constants as used (so they are emitted). 926db37c900ebe6f0ae62a1f77327dd9e5a469ff11eStephen Hines Code = bitc::CST_CODE_AGGREGATE; 927db37c900ebe6f0ae62a1f77327dd9e5a469ff11eStephen Hines for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) 928db37c900ebe6f0ae62a1f77327dd9e5a469ff11eStephen Hines Record.push_back(VE.getValueID(CDS->getElementAsConstant(i))); 929db37c900ebe6f0ae62a1f77327dd9e5a469ff11eStephen Hines AbbrevToUse = AggregateAbbrev; 9300444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines } else if (isa<ConstantArray>(C) || isa<ConstantStruct>(C) || 9310444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines isa<ConstantVector>(C)) { 9329b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_AGGREGATE; 9339b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i) 9349b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 9359b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = AggregateAbbrev; 9369b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) { 9379b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (CE->getOpcode()) { 9389b044ec938fd56355012851890c63974c8042c9fStephen Hines default: 9399b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Instruction::isCast(CE->getOpcode())) { 9409b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_CAST; 9419b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(GetEncodedCastOpcode(CE->getOpcode())); 9429b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 9439b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9449b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = CONSTANTS_CE_CAST_Abbrev; 9459b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 9469b044ec938fd56355012851890c63974c8042c9fStephen Hines assert(CE->getNumOperands() == 2 && "Unknown constant expr!"); 9479b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_BINOP; 9489b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(GetEncodedBinaryOpcode(CE->getOpcode())); 9499b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9509b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9519b044ec938fd56355012851890c63974c8042c9fStephen Hines uint64_t Flags = GetOptimizationFlags(CE); 9529b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Flags != 0) 9539b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(Flags); 9549b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9559b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9569b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::GetElementPtr: 9579b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_GEP; 9589b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<GEPOperator>(C)->isInBounds()) 9599b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_INBOUNDS_GEP; 9609b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) { 9619b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(i)->getType())); 9629b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(i))); 9639b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9649b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9659b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Select: 9669b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_SELECT; 9679b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9689b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9699b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 9709b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9719b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ExtractElement: 9729b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_EXTRACTELT; 9739b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 9749b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9759b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9769b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9779b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::InsertElement: 9789b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_INSERTELT; 9799b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9809b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9819b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 9829b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9839b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ShuffleVector: 9849b044ec938fd56355012851890c63974c8042c9fStephen Hines // If the return type and argument types are the same, this is a 9859b044ec938fd56355012851890c63974c8042c9fStephen Hines // standard shufflevector instruction. If the types are different, 9869b044ec938fd56355012851890c63974c8042c9fStephen Hines // then the shuffle is widening or truncating the input vectors, and 9879b044ec938fd56355012851890c63974c8042c9fStephen Hines // the argument type must also be encoded. 9889b044ec938fd56355012851890c63974c8042c9fStephen Hines if (C->getType() == C->getOperand(0)->getType()) { 9899b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_SHUFFLEVEC; 9909b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 9919b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_SHUFVEC_EX; 9929b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 9939b044ec938fd56355012851890c63974c8042c9fStephen Hines } 9949b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 9959b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 9969b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(2))); 9979b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 9989b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ICmp: 9999b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FCmp: 10009b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_CE_CMP; 10019b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(C->getOperand(0)->getType())); 10029b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(0))); 10039b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(C->getOperand(1))); 10049b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(CE->getPredicate()); 10059b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10069b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10079b044ec938fd56355012851890c63974c8042c9fStephen Hines } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C)) { 10089b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::CST_CODE_BLOCKADDRESS; 10099b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getTypeID(BA->getFunction()->getType())); 10109b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getValueID(BA->getFunction())); 10119b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.push_back(VE.getGlobalBasicBlockID(BA->getBasicBlock())); 10129b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 10139b044ec938fd56355012851890c63974c8042c9fStephen Hines#ifndef NDEBUG 10149b044ec938fd56355012851890c63974c8042c9fStephen Hines C->dump(); 10159b044ec938fd56355012851890c63974c8042c9fStephen Hines#endif 10169b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unknown constant!"); 10179b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10189b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, Record, AbbrevToUse); 10199b044ec938fd56355012851890c63974c8042c9fStephen Hines Record.clear(); 10209b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10219b044ec938fd56355012851890c63974c8042c9fStephen Hines 10229b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 10239b044ec938fd56355012851890c63974c8042c9fStephen Hines} 10249b044ec938fd56355012851890c63974c8042c9fStephen Hines 10259937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hinesstatic void WriteModuleConstants(const llvm_2_9_func::ValueEnumerator &VE, 10269b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 10279937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines const llvm_2_9_func::ValueEnumerator::ValueList &Vals = VE.getValues(); 10289b044ec938fd56355012851890c63974c8042c9fStephen Hines 10299b044ec938fd56355012851890c63974c8042c9fStephen Hines // Find the first constant to emit, which is the first non-globalvalue value. 10309b044ec938fd56355012851890c63974c8042c9fStephen Hines // We know globalvalues have been emitted by WriteModuleInfo. 10319b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = Vals.size(); i != e; ++i) { 10329b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!isa<GlobalValue>(Vals[i].first)) { 10339b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteConstants(i, Vals.size(), VE, Stream, true); 10349b044ec938fd56355012851890c63974c8042c9fStephen Hines return; 10359b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10369b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10379b044ec938fd56355012851890c63974c8042c9fStephen Hines} 10389b044ec938fd56355012851890c63974c8042c9fStephen Hines 10399b044ec938fd56355012851890c63974c8042c9fStephen Hines/// PushValueAndType - The file has to encode both the value and type id for 10409b044ec938fd56355012851890c63974c8042c9fStephen Hines/// many values, because we need to know what type to create for forward 10419b044ec938fd56355012851890c63974c8042c9fStephen Hines/// references. However, most operands are not forward references, so this type 10429b044ec938fd56355012851890c63974c8042c9fStephen Hines/// field is not needed. 10439b044ec938fd56355012851890c63974c8042c9fStephen Hines/// 10449b044ec938fd56355012851890c63974c8042c9fStephen Hines/// This function adds V's value ID to Vals. If the value ID is higher than the 10459b044ec938fd56355012851890c63974c8042c9fStephen Hines/// instruction ID, then it is a forward reference, and it also includes the 10469b044ec938fd56355012851890c63974c8042c9fStephen Hines/// type ID. 10479b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic bool PushValueAndType(const Value *V, unsigned InstID, 10489b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> &Vals, 10499937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines llvm_2_9_func::ValueEnumerator &VE) { 10509b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned ValID = VE.getValueID(V); 10519b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(ValID); 10529b044ec938fd56355012851890c63974c8042c9fStephen Hines if (ValID >= InstID) { 10539b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(V->getType())); 10549b044ec938fd56355012851890c63974c8042c9fStephen Hines return true; 10559b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10569b044ec938fd56355012851890c63974c8042c9fStephen Hines return false; 10579b044ec938fd56355012851890c63974c8042c9fStephen Hines} 10589b044ec938fd56355012851890c63974c8042c9fStephen Hines 10599b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteInstruction - Emit an instruction to the specified stream. 10609b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteInstruction(const Instruction &I, unsigned InstID, 10619937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines llvm_2_9_func::ValueEnumerator &VE, 10629937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines BitstreamWriter &Stream, 10639b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> &Vals) { 10649b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned Code = 0; 10659b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = 0; 10669b044ec938fd56355012851890c63974c8042c9fStephen Hines VE.setInstructionID(&I); 10679b044ec938fd56355012851890c63974c8042c9fStephen Hines switch (I.getOpcode()) { 10689b044ec938fd56355012851890c63974c8042c9fStephen Hines default: 10699b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Instruction::isCast(I.getOpcode())) { 10709b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_CAST; 10719b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 10729b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_CAST_ABBREV; 10739b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 10749b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedCastOpcode(I.getOpcode())); 10759b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 10769b044ec938fd56355012851890c63974c8042c9fStephen Hines assert(isa<BinaryOperator>(I) && "Unknown instruction!"); 10779b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_BINOP; 10789b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 10799b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_ABBREV; 10809b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 10819b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedBinaryOpcode(I.getOpcode())); 10829b044ec938fd56355012851890c63974c8042c9fStephen Hines uint64_t Flags = GetOptimizationFlags(&I); 10839b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Flags != 0) { 10849b044ec938fd56355012851890c63974c8042c9fStephen Hines if (AbbrevToUse == FUNCTION_INST_BINOP_ABBREV) 10859b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_BINOP_FLAGS_ABBREV; 10869b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Flags); 10879b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10889b044ec938fd56355012851890c63974c8042c9fStephen Hines } 10899b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10909b044ec938fd56355012851890c63974c8042c9fStephen Hines 10919b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::GetElementPtr: 1092c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Code = bitc::FUNC_CODE_INST_GEP_OLD; 10939b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<GEPOperator>(&I)->isInBounds()) 1094c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Code = bitc::FUNC_CODE_INST_INBOUNDS_GEP_OLD; 10959b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 10969b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 10979b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 10989b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ExtractValue: { 10999b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTVAL; 11009b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 11019b044ec938fd56355012851890c63974c8042c9fStephen Hines const ExtractValueInst *EVI = cast<ExtractValueInst>(&I); 11029b044ec938fd56355012851890c63974c8042c9fStephen Hines for (const unsigned *i = EVI->idx_begin(), *e = EVI->idx_end(); i != e; ++i) 11039b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(*i); 11049b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11059b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11069b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::InsertValue: { 11079b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_INSERTVAL; 11089b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 11099b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 11109b044ec938fd56355012851890c63974c8042c9fStephen Hines const InsertValueInst *IVI = cast<InsertValueInst>(&I); 11119b044ec938fd56355012851890c63974c8042c9fStephen Hines for (const unsigned *i = IVI->idx_begin(), *e = IVI->idx_end(); i != e; ++i) 11129b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(*i); 11139b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11149b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11159b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Select: 11169b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_VSELECT; 11179b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); 11189b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 11199b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 11209b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11219b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ExtractElement: 11229b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_EXTRACTELT; 11239b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 11249b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 11259b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11269b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::InsertElement: 11279b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_INSERTELT; 11289b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 11299b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 11309b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 11319b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11329b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ShuffleVector: 11339b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_SHUFFLEVEC; 11349b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 11359b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 11369b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); 11379b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11389b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::ICmp: 11399b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::FCmp: 11409b044ec938fd56355012851890c63974c8042c9fStephen Hines // compare returning Int1Ty or vector of Int1Ty 11419b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_CMP2; 11429b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 11439b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); 11449b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<CmpInst>(I).getPredicate()); 11459b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11469b044ec938fd56355012851890c63974c8042c9fStephen Hines 11479b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Ret: 11489b044ec938fd56355012851890c63974c8042c9fStephen Hines { 11499b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_RET; 11509b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned NumOperands = I.getNumOperands(); 11519b044ec938fd56355012851890c63974c8042c9fStephen Hines if (NumOperands == 0) 11529b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_RET_VOID_ABBREV; 11539b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (NumOperands == 1) { 11549b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) 11559b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_RET_VAL_ABBREV; 11569b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 11579b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = NumOperands; i != e; ++i) 11589b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); 11599b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11609b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11619b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11629b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Br: 11639b044ec938fd56355012851890c63974c8042c9fStephen Hines { 11649b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_BR; 11650da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines const BranchInst &II = cast<BranchInst>(I); 11669b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(0))); 11679b044ec938fd56355012851890c63974c8042c9fStephen Hines if (II.isConditional()) { 11689b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II.getSuccessor(1))); 11699b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II.getCondition())); 11709b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11719b044ec938fd56355012851890c63974c8042c9fStephen Hines } 11729b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11739b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Switch: 1174dbfe3fabb0b82d9c73e4a48a0bc3ebb6a9cda593Shih-wei Liao { 1175dbfe3fabb0b82d9c73e4a48a0bc3ebb6a9cda593Shih-wei Liao Code = bitc::FUNC_CODE_INST_SWITCH; 11760da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines const SwitchInst &SI = cast<SwitchInst>(I); 1177dbfe3fabb0b82d9c73e4a48a0bc3ebb6a9cda593Shih-wei Liao Vals.push_back(VE.getTypeID(SI.getCondition()->getType())); 1178dbfe3fabb0b82d9c73e4a48a0bc3ebb6a9cda593Shih-wei Liao Vals.push_back(VE.getValueID(SI.getCondition())); 1179dbfe3fabb0b82d9c73e4a48a0bc3ebb6a9cda593Shih-wei Liao Vals.push_back(VE.getValueID(SI.getDefaultDest())); 11800da7f6c8201b27938d3b9f048d71fd784cd1df9aStephen Hines for (SwitchInst::ConstCaseIt i = SI.case_begin(), e = SI.case_end(); 1181dbfe3fabb0b82d9c73e4a48a0bc3ebb6a9cda593Shih-wei Liao i != e; ++i) { 1182c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getValueID(i.getCaseValue())); 1183c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines Vals.push_back(VE.getValueID(i.getCaseSuccessor())); 1184dbfe3fabb0b82d9c73e4a48a0bc3ebb6a9cda593Shih-wei Liao } 1185dbfe3fabb0b82d9c73e4a48a0bc3ebb6a9cda593Shih-wei Liao } 11869b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 11879b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::IndirectBr: 11889b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_INDIRECTBR; 11899b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 11909b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) 11919b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); 11929b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 119323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 11949b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Invoke: { 11959b044ec938fd56355012851890c63974c8042c9fStephen Hines const InvokeInst *II = cast<InvokeInst>(&I); 11969b044ec938fd56355012851890c63974c8042c9fStephen Hines const Value *Callee(II->getCalledValue()); 11979b044ec938fd56355012851890c63974c8042c9fStephen Hines PointerType *PTy = cast<PointerType>(Callee->getType()); 11989b044ec938fd56355012851890c63974c8042c9fStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 11999b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_INVOKE; 12009b044ec938fd56355012851890c63974c8042c9fStephen Hines 12019b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getAttributeID(II->getAttributes())); 12029b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(II->getCallingConv()); 12039b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II->getNormalDest())); 12049b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(II->getUnwindDest())); 12059b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(Callee, InstID, Vals, VE); 12069b044ec938fd56355012851890c63974c8042c9fStephen Hines 12079b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit value #'s for the fixed parameters. 12089b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 12099b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(i))); // fixed param. 12109b044ec938fd56355012851890c63974c8042c9fStephen Hines 12119b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit type/value pairs for varargs params. 12129b044ec938fd56355012851890c63974c8042c9fStephen Hines if (FTy->isVarArg()) { 12139b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = FTy->getNumParams(), e = I.getNumOperands()-3; 12149b044ec938fd56355012851890c63974c8042c9fStephen Hines i != e; ++i) 12159b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(i), InstID, Vals, VE); // vararg 12169b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12179b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12189b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12199b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Resume: 12209b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_RESUME; 12219b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 12229b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12239b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Unreachable: 12249b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_UNREACHABLE; 12259b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_UNREACHABLE_ABBREV; 12269b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12279b044ec938fd56355012851890c63974c8042c9fStephen Hines 12289b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::PHI: { 12299b044ec938fd56355012851890c63974c8042c9fStephen Hines const PHINode &PN = cast<PHINode>(I); 12309b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_PHI; 12319b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(PN.getType())); 12329b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) { 12339b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingValue(i))); 12349b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(PN.getIncomingBlock(i))); 12359b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12369b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12379b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12389b044ec938fd56355012851890c63974c8042c9fStephen Hines 12399b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::LandingPad: { 12409b044ec938fd56355012851890c63974c8042c9fStephen Hines const LandingPadInst &LP = cast<LandingPadInst>(I); 12419b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_LANDINGPAD; 12429b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(LP.getType())); 12439b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(LP.getPersonalityFn(), InstID, Vals, VE); 12449b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(LP.isCleanup()); 12459b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(LP.getNumClauses()); 12469b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned I = 0, E = LP.getNumClauses(); I != E; ++I) { 12479b044ec938fd56355012851890c63974c8042c9fStephen Hines if (LP.isCatch(I)) 12489b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(LandingPadInst::Catch); 12499b044ec938fd56355012851890c63974c8042c9fStephen Hines else 12509b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(LandingPadInst::Filter); 12519b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(LP.getClause(I), InstID, Vals, VE); 12529b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12539b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12549b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12559b044ec938fd56355012851890c63974c8042c9fStephen Hines 12569b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Alloca: 12579b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_ALLOCA; 12589b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getType())); 12599b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); 12609b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // size. 12619b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Log2_32(cast<AllocaInst>(I).getAlignment())+1); 12629b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12639b044ec938fd56355012851890c63974c8042c9fStephen Hines 12649b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Load: 12659b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<LoadInst>(I).isAtomic()) { 12669b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_LOADATOMIC; 12679b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); 12689b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 12699b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_LOAD; 12709b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) // ptr 12719b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = FUNCTION_INST_LOAD_ABBREV; 12729b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12739b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Log2_32(cast<LoadInst>(I).getAlignment())+1); 12749b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<LoadInst>(I).isVolatile()); 12759b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<LoadInst>(I).isAtomic()) { 12769b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering(cast<LoadInst>(I).getOrdering())); 12779b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope(cast<LoadInst>(I).getSynchScope())); 12789b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12799b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12809b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Store: 12819b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<StoreInst>(I).isAtomic()) 12829b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_STOREATOMIC; 12839b044ec938fd56355012851890c63974c8042c9fStephen Hines else 12841906a00dce8e32fe3bb8a957e333ebbbee0888e3Pirama Arumuga Nainar Code = bitc::FUNC_CODE_INST_STORE_OLD; 12859b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(1), InstID, Vals, VE); // ptrty + ptr 12869b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // val. 12879b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); 12889b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<StoreInst>(I).isVolatile()); 12899b044ec938fd56355012851890c63974c8042c9fStephen Hines if (cast<StoreInst>(I).isAtomic()) { 12909b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering(cast<StoreInst>(I).getOrdering())); 12919b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope(cast<StoreInst>(I).getSynchScope())); 12929b044ec938fd56355012851890c63974c8042c9fStephen Hines } 12939b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 12949b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::AtomicCmpXchg: 12959b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_CMPXCHG; 12969b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 12979b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // cmp. 12989b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(2))); // newval. 12999b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<AtomicCmpXchgInst>(I).isVolatile()); 13009b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering( 1301ee4016d1247d3fbe50822de279d3da273d8aef4cTim Murray cast<AtomicCmpXchgInst>(I).getSuccessOrdering())); 13029b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope( 13039b044ec938fd56355012851890c63974c8042c9fStephen Hines cast<AtomicCmpXchgInst>(I).getSynchScope())); 13049b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 13059b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::AtomicRMW: 13069b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_ATOMICRMW; 13079b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr 13089b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(1))); // val. 13099b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedRMWOperation( 13109b044ec938fd56355012851890c63974c8042c9fStephen Hines cast<AtomicRMWInst>(I).getOperation())); 13119b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(cast<AtomicRMWInst>(I).isVolatile()); 13129b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering(cast<AtomicRMWInst>(I).getOrdering())); 13139b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope( 13149b044ec938fd56355012851890c63974c8042c9fStephen Hines cast<AtomicRMWInst>(I).getSynchScope())); 13159b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 13169b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Fence: 13179b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_FENCE; 13189b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedOrdering(cast<FenceInst>(I).getOrdering())); 13199b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(GetEncodedSynchScope(cast<FenceInst>(I).getSynchScope())); 13209b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 13219b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::Call: { 13229b044ec938fd56355012851890c63974c8042c9fStephen Hines const CallInst &CI = cast<CallInst>(I); 13239b044ec938fd56355012851890c63974c8042c9fStephen Hines PointerType *PTy = cast<PointerType>(CI.getCalledValue()->getType()); 13249b044ec938fd56355012851890c63974c8042c9fStephen Hines FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); 13259b044ec938fd56355012851890c63974c8042c9fStephen Hines 13269b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_CALL; 13279b044ec938fd56355012851890c63974c8042c9fStephen Hines 13289b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getAttributeID(CI.getAttributes())); 13299b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back((CI.getCallingConv() << 1) | unsigned(CI.isTailCall())); 13309b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(CI.getCalledValue(), InstID, Vals, VE); // Callee 13319b044ec938fd56355012851890c63974c8042c9fStephen Hines 13329b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit value #'s for the fixed parameters. 13339b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) 13349b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(CI.getArgOperand(i))); // fixed param. 13359b044ec938fd56355012851890c63974c8042c9fStephen Hines 13369b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit type/value pairs for varargs params. 13379b044ec938fd56355012851890c63974c8042c9fStephen Hines if (FTy->isVarArg()) { 13389b044ec938fd56355012851890c63974c8042c9fStephen Hines for (unsigned i = FTy->getNumParams(), e = CI.getNumArgOperands(); 13399b044ec938fd56355012851890c63974c8042c9fStephen Hines i != e; ++i) 13409b044ec938fd56355012851890c63974c8042c9fStephen Hines PushValueAndType(CI.getArgOperand(i), InstID, Vals, VE); // varargs 13419b044ec938fd56355012851890c63974c8042c9fStephen Hines } 13429b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 13439b044ec938fd56355012851890c63974c8042c9fStephen Hines } 13449b044ec938fd56355012851890c63974c8042c9fStephen Hines case Instruction::VAArg: 13459b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::FUNC_CODE_INST_VAARG; 13469b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); // valistty 13479b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getValueID(I.getOperand(0))); // valist. 13489b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getTypeID(I.getType())); // restype. 13499b044ec938fd56355012851890c63974c8042c9fStephen Hines break; 13509b044ec938fd56355012851890c63974c8042c9fStephen Hines } 13519b044ec938fd56355012851890c63974c8042c9fStephen Hines 13529b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, Vals, AbbrevToUse); 13539b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 13549b044ec938fd56355012851890c63974c8042c9fStephen Hines} 13559b044ec938fd56355012851890c63974c8042c9fStephen Hines 13569b044ec938fd56355012851890c63974c8042c9fStephen Hines// Emit names for globals/functions etc. 13579b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteValueSymbolTable(const ValueSymbolTable &VST, 13589937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines const llvm_2_9_func::ValueEnumerator &VE, 13599b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 13609b044ec938fd56355012851890c63974c8042c9fStephen Hines if (VST.empty()) return; 13619b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 4); 13629b044ec938fd56355012851890c63974c8042c9fStephen Hines 13639b044ec938fd56355012851890c63974c8042c9fStephen Hines // FIXME: Set up the abbrev, we know how many values there are! 13649b044ec938fd56355012851890c63974c8042c9fStephen Hines // FIXME: We know if the type names can use 7-bit ascii. 13659b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> NameVals; 13669b044ec938fd56355012851890c63974c8042c9fStephen Hines 13679b044ec938fd56355012851890c63974c8042c9fStephen Hines for (ValueSymbolTable::const_iterator SI = VST.begin(), SE = VST.end(); 13689b044ec938fd56355012851890c63974c8042c9fStephen Hines SI != SE; ++SI) { 13699b044ec938fd56355012851890c63974c8042c9fStephen Hines 13709b044ec938fd56355012851890c63974c8042c9fStephen Hines const ValueName &Name = *SI; 13719b044ec938fd56355012851890c63974c8042c9fStephen Hines 13729b044ec938fd56355012851890c63974c8042c9fStephen Hines // Figure out the encoding to use for the name. 13739b044ec938fd56355012851890c63974c8042c9fStephen Hines bool is7Bit = true; 13749b044ec938fd56355012851890c63974c8042c9fStephen Hines bool isChar6 = true; 13759b044ec938fd56355012851890c63974c8042c9fStephen Hines for (const char *C = Name.getKeyData(), *E = C+Name.getKeyLength(); 13769b044ec938fd56355012851890c63974c8042c9fStephen Hines C != E; ++C) { 13779b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isChar6) 13789b044ec938fd56355012851890c63974c8042c9fStephen Hines isChar6 = BitCodeAbbrevOp::isChar6(*C); 13799b044ec938fd56355012851890c63974c8042c9fStephen Hines if ((unsigned char)*C & 128) { 13809b044ec938fd56355012851890c63974c8042c9fStephen Hines is7Bit = false; 13819b044ec938fd56355012851890c63974c8042c9fStephen Hines break; // don't bother scanning the rest. 13829b044ec938fd56355012851890c63974c8042c9fStephen Hines } 13839b044ec938fd56355012851890c63974c8042c9fStephen Hines } 13849b044ec938fd56355012851890c63974c8042c9fStephen Hines 13859b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned AbbrevToUse = VST_ENTRY_8_ABBREV; 13869b044ec938fd56355012851890c63974c8042c9fStephen Hines 13879b044ec938fd56355012851890c63974c8042c9fStephen Hines // VST_ENTRY: [valueid, namechar x N] 13889b044ec938fd56355012851890c63974c8042c9fStephen Hines // VST_BBENTRY: [bbid, namechar x N] 13899b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned Code; 13909b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isa<BasicBlock>(SI->getValue())) { 13919b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::VST_CODE_BBENTRY; 13929b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isChar6) 13939b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = VST_BBENTRY_6_ABBREV; 13949b044ec938fd56355012851890c63974c8042c9fStephen Hines } else { 13959b044ec938fd56355012851890c63974c8042c9fStephen Hines Code = bitc::VST_CODE_ENTRY; 13969b044ec938fd56355012851890c63974c8042c9fStephen Hines if (isChar6) 13979b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = VST_ENTRY_6_ABBREV; 13989b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (is7Bit) 13999b044ec938fd56355012851890c63974c8042c9fStephen Hines AbbrevToUse = VST_ENTRY_7_ABBREV; 14009b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14019b044ec938fd56355012851890c63974c8042c9fStephen Hines 14029b044ec938fd56355012851890c63974c8042c9fStephen Hines NameVals.push_back(VE.getValueID(SI->getValue())); 14039b044ec938fd56355012851890c63974c8042c9fStephen Hines for (const char *P = Name.getKeyData(), 14049b044ec938fd56355012851890c63974c8042c9fStephen Hines *E = Name.getKeyData()+Name.getKeyLength(); P != E; ++P) 14059b044ec938fd56355012851890c63974c8042c9fStephen Hines NameVals.push_back((unsigned char)*P); 14069b044ec938fd56355012851890c63974c8042c9fStephen Hines 14079b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the finished record. 14089b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(Code, NameVals, AbbrevToUse); 14099b044ec938fd56355012851890c63974c8042c9fStephen Hines NameVals.clear(); 14109b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14119b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 14129b044ec938fd56355012851890c63974c8042c9fStephen Hines} 14139b044ec938fd56355012851890c63974c8042c9fStephen Hines 14149b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteFunction - Emit a function body to the module stream. 14159937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hinesstatic void WriteFunction(const Function &F, llvm_2_9_func::ValueEnumerator &VE, 14169b044ec938fd56355012851890c63974c8042c9fStephen Hines BitstreamWriter &Stream) { 14179b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::FUNCTION_BLOCK_ID, 4); 14189b044ec938fd56355012851890c63974c8042c9fStephen Hines VE.incorporateFunction(F); 14199b044ec938fd56355012851890c63974c8042c9fStephen Hines 14209b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 64> Vals; 14219b044ec938fd56355012851890c63974c8042c9fStephen Hines 14229b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the number of basic blocks, so the reader can create them ahead of 14239b044ec938fd56355012851890c63974c8042c9fStephen Hines // time. 14249b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(VE.getBasicBlocks().size()); 14259b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DECLAREBLOCKS, Vals); 14269b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.clear(); 14279b044ec938fd56355012851890c63974c8042c9fStephen Hines 14289b044ec938fd56355012851890c63974c8042c9fStephen Hines // If there are function-local constants, emit them now. 14299b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned CstStart, CstEnd; 14309b044ec938fd56355012851890c63974c8042c9fStephen Hines VE.getFunctionConstantRange(CstStart, CstEnd); 14319b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteConstants(CstStart, CstEnd, VE, Stream, false); 14329b044ec938fd56355012851890c63974c8042c9fStephen Hines 14339b044ec938fd56355012851890c63974c8042c9fStephen Hines // If there is function-local metadata, emit it now. 14349b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteFunctionLocalMetadata(F, VE, Stream); 14359b044ec938fd56355012851890c63974c8042c9fStephen Hines 14369b044ec938fd56355012851890c63974c8042c9fStephen Hines // Keep a running idea of what the instruction ID is. 14379b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned InstID = CstEnd; 14389b044ec938fd56355012851890c63974c8042c9fStephen Hines 14399b044ec938fd56355012851890c63974c8042c9fStephen Hines bool NeedsMetadataAttachment = false; 144023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 14411906a00dce8e32fe3bb8a957e333ebbbee0888e3Pirama Arumuga Nainar DILocation *LastDL = nullptr; 144223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 14439b044ec938fd56355012851890c63974c8042c9fStephen Hines // Finally, emit all the instructions, in order. 14449b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) 14459b044ec938fd56355012851890c63974c8042c9fStephen Hines for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); 14469b044ec938fd56355012851890c63974c8042c9fStephen Hines I != E; ++I) { 14479b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteInstruction(*I, InstID, VE, Stream, Vals); 144823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 14499b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!I->getType()->isVoidTy()) 14509b044ec938fd56355012851890c63974c8042c9fStephen Hines ++InstID; 145123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 14529b044ec938fd56355012851890c63974c8042c9fStephen Hines // If the instruction has metadata, write a metadata attachment later. 14539b044ec938fd56355012851890c63974c8042c9fStephen Hines NeedsMetadataAttachment |= I->hasMetadataOtherThanDebugLoc(); 145423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 14559b044ec938fd56355012851890c63974c8042c9fStephen Hines // If the instruction has a debug location, emit it. 14561906a00dce8e32fe3bb8a957e333ebbbee0888e3Pirama Arumuga Nainar DILocation *DL = I->getDebugLoc(); 145721cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar if (!DL) 145821cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar continue; 145921cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar 146021cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar if (DL == LastDL) { 14619b044ec938fd56355012851890c63974c8042c9fStephen Hines // Just repeat the same debug loc as last time. 14629b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC_AGAIN, Vals); 146321cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar continue; 146421cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar } 146523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 146621cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.push_back(DL->getLine()); 146721cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.push_back(DL->getColumn()); 146821cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.push_back(VE.getMetadataOrNullID(DL->getScope())); 146921cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.push_back(VE.getMetadataOrNullID(DL->getInlinedAt())); 147021cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals); 147121cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar Vals.clear(); 147223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines 147321cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar // Fixme(pirama): The following line is missing from upstream 147421cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar // https://llvm.org/bugs/show_bug.cgi?id=23436 147521cc01860b95cad7ae60c686e511e8f4ae034e39Pirama Arumuga Nainar LastDL = DL; 14769b044ec938fd56355012851890c63974c8042c9fStephen Hines } 14779b044ec938fd56355012851890c63974c8042c9fStephen Hines 14789b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit names for all the instructions etc. 14799b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteValueSymbolTable(F.getValueSymbolTable(), VE, Stream); 14809b044ec938fd56355012851890c63974c8042c9fStephen Hines 14819b044ec938fd56355012851890c63974c8042c9fStephen Hines if (NeedsMetadataAttachment) 14829b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteMetadataAttachment(F, VE, Stream); 14839b044ec938fd56355012851890c63974c8042c9fStephen Hines VE.purgeFunction(); 14849b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 14859b044ec938fd56355012851890c63974c8042c9fStephen Hines} 14869b044ec938fd56355012851890c63974c8042c9fStephen Hines 14879b044ec938fd56355012851890c63974c8042c9fStephen Hines// Emit blockinfo, which defines the standard abbreviations etc. 14889937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hinesstatic void WriteBlockInfo(const llvm_2_9_func::ValueEnumerator &VE, 14899937d116e09feb32d46a4c76eca1be6afcd3bed5Stephen Hines BitstreamWriter &Stream) { 14909b044ec938fd56355012851890c63974c8042c9fStephen Hines // We only want to emit block info records for blocks that have multiple 14919b044ec938fd56355012851890c63974c8042c9fStephen Hines // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. Other 14929b044ec938fd56355012851890c63974c8042c9fStephen Hines // blocks can defined their abbrevs inline. 14939b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterBlockInfoBlock(2); 14949b044ec938fd56355012851890c63974c8042c9fStephen Hines 14959b044ec938fd56355012851890c63974c8042c9fStephen Hines { // 8-bit fixed-width VST_ENTRY/VST_BBENTRY strings. 14969b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 14979b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); 14989b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 14999b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 15009b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); 15019b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 15029b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != VST_ENTRY_8_ABBREV) 15039b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15049b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15059b044ec938fd56355012851890c63974c8042c9fStephen Hines 15069b044ec938fd56355012851890c63974c8042c9fStephen Hines { // 7-bit fixed width VST_ENTRY strings. 15079b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15089b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 15099b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 15109b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 15119b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); 15129b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 15139b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != VST_ENTRY_7_ABBREV) 15149b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15159b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15169b044ec938fd56355012851890c63974c8042c9fStephen Hines { // 6-bit char6 VST_ENTRY strings. 15179b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15189b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY)); 15199b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 15209b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 15219b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 15229b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 15239b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != VST_ENTRY_6_ABBREV) 15249b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15259b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15269b044ec938fd56355012851890c63974c8042c9fStephen Hines { // 6-bit char6 VST_BBENTRY strings. 15279b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15289b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_BBENTRY)); 15299b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 15309b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 15319b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); 15329b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID, 15339b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != VST_BBENTRY_6_ABBREV) 15349b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15359b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15369b044ec938fd56355012851890c63974c8042c9fStephen Hines 15379b044ec938fd56355012851890c63974c8042c9fStephen Hines 15389b044ec938fd56355012851890c63974c8042c9fStephen Hines 15399b044ec938fd56355012851890c63974c8042c9fStephen Hines { // SETTYPE abbrev for CONSTANTS_BLOCK. 15409b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15419b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_SETTYPE)); 15429b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 15439b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 15449b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 15459b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != CONSTANTS_SETTYPE_ABBREV) 15469b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15479b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15489b044ec938fd56355012851890c63974c8042c9fStephen Hines 15499b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INTEGER abbrev for CONSTANTS_BLOCK. 15509b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15519b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_INTEGER)); 15529b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); 15539b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 15549b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != CONSTANTS_INTEGER_ABBREV) 15559b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15569b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15579b044ec938fd56355012851890c63974c8042c9fStephen Hines 15589b044ec938fd56355012851890c63974c8042c9fStephen Hines { // CE_CAST abbrev for CONSTANTS_BLOCK. 15599b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15609b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CE_CAST)); 15619b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // cast opc 15629b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // typeid 15639b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 15649b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id 15659b044ec938fd56355012851890c63974c8042c9fStephen Hines 15669b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 15679b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != CONSTANTS_CE_CAST_Abbrev) 15689b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15699b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15709b044ec938fd56355012851890c63974c8042c9fStephen Hines { // NULL abbrev for CONSTANTS_BLOCK. 15719b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15729b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_NULL)); 15739b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID, 15749b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != CONSTANTS_NULL_Abbrev) 15759b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15769b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15779b044ec938fd56355012851890c63974c8042c9fStephen Hines 15789b044ec938fd56355012851890c63974c8042c9fStephen Hines // FIXME: This should only use space for first class types! 15799b044ec938fd56355012851890c63974c8042c9fStephen Hines 15809b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_LOAD abbrev for FUNCTION_BLOCK. 15819b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15829b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_LOAD)); 15839b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Ptr 15849b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // Align 15859b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // volatile 15869b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 15879b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_LOAD_ABBREV) 15889b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15899b044ec938fd56355012851890c63974c8042c9fStephen Hines } 15909b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_BINOP abbrev for FUNCTION_BLOCK. 15919b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 15929b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 15939b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 15949b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 15959b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 15969b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 15979b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_BINOP_ABBREV) 15989b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 15999b044ec938fd56355012851890c63974c8042c9fStephen Hines } 16009b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_BINOP_FLAGS abbrev for FUNCTION_BLOCK. 16019b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 16029b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_BINOP)); 16039b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHS 16049b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // RHS 16059b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 16069b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); // flags 16079b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 16089b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_BINOP_FLAGS_ABBREV) 16099b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 16109b044ec938fd56355012851890c63974c8042c9fStephen Hines } 16119b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_CAST abbrev for FUNCTION_BLOCK. 16129b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 16139b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_CAST)); 16149b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpVal 16159b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty 16169b044ec938fd56355012851890c63974c8042c9fStephen Hines Log2_32_Ceil(VE.getTypes().size()+1))); 16179b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc 16189b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 16199b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_CAST_ABBREV) 16209b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 16219b044ec938fd56355012851890c63974c8042c9fStephen Hines } 16229b044ec938fd56355012851890c63974c8042c9fStephen Hines 16239b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 16249b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 16259b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 16269b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 16279b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_RET_VOID_ABBREV) 16289b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 16299b044ec938fd56355012851890c63974c8042c9fStephen Hines } 16309b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_RET abbrev for FUNCTION_BLOCK. 16319b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 16329b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_RET)); 16339b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ValID 16349b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 16359b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_RET_VAL_ABBREV) 16369b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 16379b044ec938fd56355012851890c63974c8042c9fStephen Hines } 16389b044ec938fd56355012851890c63974c8042c9fStephen Hines { // INST_UNREACHABLE abbrev for FUNCTION_BLOCK. 16399b044ec938fd56355012851890c63974c8042c9fStephen Hines BitCodeAbbrev *Abbv = new BitCodeAbbrev(); 16409b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_UNREACHABLE)); 16419b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, 16429b044ec938fd56355012851890c63974c8042c9fStephen Hines Abbv) != FUNCTION_INST_UNREACHABLE_ABBREV) 16439b044ec938fd56355012851890c63974c8042c9fStephen Hines llvm_unreachable("Unexpected abbrev ordering!"); 16449b044ec938fd56355012851890c63974c8042c9fStephen Hines } 16459b044ec938fd56355012851890c63974c8042c9fStephen Hines 16469b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 16479b044ec938fd56355012851890c63974c8042c9fStephen Hines} 16489b044ec938fd56355012851890c63974c8042c9fStephen Hines 16499b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteModule - Emit the specified module to the bitstream. 16509b044ec938fd56355012851890c63974c8042c9fStephen Hinesstatic void WriteModule(const Module *M, BitstreamWriter &Stream) { 16519b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); 16529b044ec938fd56355012851890c63974c8042c9fStephen Hines 16539b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit the version number if it is non-zero. 16549b044ec938fd56355012851890c63974c8042c9fStephen Hines if (CurVersion) { 16559b044ec938fd56355012851890c63974c8042c9fStephen Hines SmallVector<unsigned, 1> Vals; 16569b044ec938fd56355012851890c63974c8042c9fStephen Hines Vals.push_back(CurVersion); 16579b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.EmitRecord(bitc::MODULE_CODE_VERSION, Vals); 16589b044ec938fd56355012851890c63974c8042c9fStephen Hines } 16599b044ec938fd56355012851890c63974c8042c9fStephen Hines 16609b044ec938fd56355012851890c63974c8042c9fStephen Hines // Analyze the module, enumerating globals, functions, etc. 1661c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines llvm_2_9_func::ValueEnumerator VE(*M); 16629b044ec938fd56355012851890c63974c8042c9fStephen Hines 16639b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit blockinfo, which defines the standard abbreviations etc. 16649b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteBlockInfo(VE, Stream); 16659b044ec938fd56355012851890c63974c8042c9fStephen Hines 16669b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit information about parameter attributes. 16679b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteAttributeTable(VE, Stream); 16689b044ec938fd56355012851890c63974c8042c9fStephen Hines 16699b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit information describing all of the types in the module. 16709b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteTypeTable(VE, Stream); 16719b044ec938fd56355012851890c63974c8042c9fStephen Hines 16729b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit top-level description of module, including target triple, inline asm, 16739b044ec938fd56355012851890c63974c8042c9fStephen Hines // descriptors for global variables, and function prototype info. 16749b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteModuleInfo(M, VE, Stream); 16759b044ec938fd56355012851890c63974c8042c9fStephen Hines 16769b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit constants. 16779b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteModuleConstants(VE, Stream); 16789b044ec938fd56355012851890c63974c8042c9fStephen Hines 16799b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit metadata. 16809b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteModuleMetadata(M, VE, Stream); 16819b044ec938fd56355012851890c63974c8042c9fStephen Hines 16829b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit function bodies. 16839b044ec938fd56355012851890c63974c8042c9fStephen Hines for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) 16849b044ec938fd56355012851890c63974c8042c9fStephen Hines if (!F->isDeclaration()) 16859b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteFunction(*F, VE, Stream); 16869b044ec938fd56355012851890c63974c8042c9fStephen Hines 16879b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit metadata. 16889b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteModuleMetadataStore(M, Stream); 16899b044ec938fd56355012851890c63974c8042c9fStephen Hines 16909b044ec938fd56355012851890c63974c8042c9fStephen Hines // Emit names for globals/functions etc. 16919b044ec938fd56355012851890c63974c8042c9fStephen Hines WriteValueSymbolTable(M->getValueSymbolTable(), VE, Stream); 16929b044ec938fd56355012851890c63974c8042c9fStephen Hines 16939b044ec938fd56355012851890c63974c8042c9fStephen Hines Stream.ExitBlock(); 16949b044ec938fd56355012851890c63974c8042c9fStephen Hines} 16959b044ec938fd56355012851890c63974c8042c9fStephen Hines 16969b044ec938fd56355012851890c63974c8042c9fStephen Hines/// EmitDarwinBCHeader - If generating a bc file on darwin, we have to emit a 16979b044ec938fd56355012851890c63974c8042c9fStephen Hines/// header and trailer to make it compatible with the system archiver. To do 16989b044ec938fd56355012851890c63974c8042c9fStephen Hines/// this we emit the following header, and then emit a trailer that pads the 16999b044ec938fd56355012851890c63974c8042c9fStephen Hines/// file out to be a multiple of 16 bytes. 17009b044ec938fd56355012851890c63974c8042c9fStephen Hines/// 17019b044ec938fd56355012851890c63974c8042c9fStephen Hines/// struct bc_header { 17029b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t Magic; // 0x0B17C0DE 17039b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t Version; // Version, currently always 0. 17049b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t BitcodeOffset; // Offset to traditional bitcode file. 17059b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t BitcodeSize; // Size of traditional bitcode file. 17069b044ec938fd56355012851890c63974c8042c9fStephen Hines/// uint32_t CPUType; // CPU specifier. 17079b044ec938fd56355012851890c63974c8042c9fStephen Hines/// ... potentially more later ... 17089b044ec938fd56355012851890c63974c8042c9fStephen Hines/// }; 17099b044ec938fd56355012851890c63974c8042c9fStephen Hinesenum { 17109b044ec938fd56355012851890c63974c8042c9fStephen Hines DarwinBCSizeFieldOffset = 3*4, // Offset to bitcode_size. 17119b044ec938fd56355012851890c63974c8042c9fStephen Hines DarwinBCHeaderSize = 5*4 17129b044ec938fd56355012851890c63974c8042c9fStephen Hines}; 17139b044ec938fd56355012851890c63974c8042c9fStephen Hines 17140444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hinesstatic void WriteInt32ToBuffer(uint32_t Value, SmallVectorImpl<char> &Buffer, 17150444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines uint32_t &Position) { 17160444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Buffer[Position + 0] = (unsigned char) (Value >> 0); 17170444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Buffer[Position + 1] = (unsigned char) (Value >> 8); 17180444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Buffer[Position + 2] = (unsigned char) (Value >> 16); 17190444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Buffer[Position + 3] = (unsigned char) (Value >> 24); 17200444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Position += 4; 17210444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines} 17220444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines 17230444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hinesstatic void EmitDarwinBCHeaderAndTrailer(SmallVectorImpl<char> &Buffer, 17240444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines const Triple &TT) { 17259b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned CPUType = ~0U; 17269b044ec938fd56355012851890c63974c8042c9fStephen Hines 17279b044ec938fd56355012851890c63974c8042c9fStephen Hines // Match x86_64-*, i[3-9]86-*, powerpc-*, powerpc64-*, arm-*, thumb-*, 17289b044ec938fd56355012851890c63974c8042c9fStephen Hines // armv[0-9]-*, thumbv[0-9]-*, armv5te-*, or armv6t2-*. The CPUType is a magic 17299b044ec938fd56355012851890c63974c8042c9fStephen Hines // number from /usr/include/mach/machine.h. It is ok to reproduce the 17309b044ec938fd56355012851890c63974c8042c9fStephen Hines // specific constants here because they are implicitly part of the Darwin ABI. 17319b044ec938fd56355012851890c63974c8042c9fStephen Hines enum { 17329b044ec938fd56355012851890c63974c8042c9fStephen Hines DARWIN_CPU_ARCH_ABI64 = 0x01000000, 17339b044ec938fd56355012851890c63974c8042c9fStephen Hines DARWIN_CPU_TYPE_X86 = 7, 17349b044ec938fd56355012851890c63974c8042c9fStephen Hines DARWIN_CPU_TYPE_ARM = 12, 17359b044ec938fd56355012851890c63974c8042c9fStephen Hines DARWIN_CPU_TYPE_POWERPC = 18 17369b044ec938fd56355012851890c63974c8042c9fStephen Hines }; 17379b044ec938fd56355012851890c63974c8042c9fStephen Hines 17389b044ec938fd56355012851890c63974c8042c9fStephen Hines Triple::ArchType Arch = TT.getArch(); 17399b044ec938fd56355012851890c63974c8042c9fStephen Hines if (Arch == Triple::x86_64) 17409b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_X86 | DARWIN_CPU_ARCH_ABI64; 17419b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (Arch == Triple::x86) 17429b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_X86; 17439b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (Arch == Triple::ppc) 17449b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC; 17459b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (Arch == Triple::ppc64) 17469b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_POWERPC | DARWIN_CPU_ARCH_ABI64; 17479b044ec938fd56355012851890c63974c8042c9fStephen Hines else if (Arch == Triple::arm || Arch == Triple::thumb) 17489b044ec938fd56355012851890c63974c8042c9fStephen Hines CPUType = DARWIN_CPU_TYPE_ARM; 17499b044ec938fd56355012851890c63974c8042c9fStephen Hines 17509b044ec938fd56355012851890c63974c8042c9fStephen Hines // Traditional Bitcode starts after header. 17510444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines assert(Buffer.size() >= DarwinBCHeaderSize && 17520444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines "Expected header size to be reserved"); 17539b044ec938fd56355012851890c63974c8042c9fStephen Hines unsigned BCOffset = DarwinBCHeaderSize; 17540444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines unsigned BCSize = Buffer.size()-DarwinBCHeaderSize; 17559b044ec938fd56355012851890c63974c8042c9fStephen Hines 17560444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines // Write the magic and version. 17570444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines unsigned Position = 0; 17580444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines WriteInt32ToBuffer(0x0B17C0DE , Buffer, Position); 17590444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines WriteInt32ToBuffer(0 , Buffer, Position); // Version. 17600444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines WriteInt32ToBuffer(BCOffset , Buffer, Position); 17610444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines WriteInt32ToBuffer(BCSize , Buffer, Position); 17620444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines WriteInt32ToBuffer(CPUType , Buffer, Position); 17639b044ec938fd56355012851890c63974c8042c9fStephen Hines 17649b044ec938fd56355012851890c63974c8042c9fStephen Hines // If the file is not a multiple of 16 bytes, insert dummy padding. 17650444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines while (Buffer.size() & 15) 17660444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Buffer.push_back(0); 17679b044ec938fd56355012851890c63974c8042c9fStephen Hines} 17689b044ec938fd56355012851890c63974c8042c9fStephen Hines 17699b044ec938fd56355012851890c63974c8042c9fStephen Hines/// WriteBitcodeToFile - Write the specified module to the specified output 17709b044ec938fd56355012851890c63974c8042c9fStephen Hines/// stream. 17719b044ec938fd56355012851890c63974c8042c9fStephen Hinesvoid llvm_2_9_func::WriteBitcodeToFile(const Module *M, raw_ostream &Out) { 17720444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines SmallVector<char, 1024> Buffer; 17739b044ec938fd56355012851890c63974c8042c9fStephen Hines Buffer.reserve(256*1024); 17749b044ec938fd56355012851890c63974c8042c9fStephen Hines 17750444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines // If this is darwin or another generic macho target, reserve space for the 17760444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines // header. 17779b044ec938fd56355012851890c63974c8042c9fStephen Hines Triple TT(M->getTargetTriple()); 17789b044ec938fd56355012851890c63974c8042c9fStephen Hines if (TT.isOSDarwin()) 17790444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Buffer.insert(Buffer.begin(), DarwinBCHeaderSize, 0); 17800444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines 17810444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines // Emit the module into the buffer. 17820444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines { 17830444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines BitstreamWriter Stream(Buffer); 17840444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines 17850444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines // Emit the file header. 17860444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Stream.Emit((unsigned)'B', 8); 17870444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Stream.Emit((unsigned)'C', 8); 17880444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Stream.Emit(0x0, 4); 17890444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Stream.Emit(0xC, 4); 17900444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Stream.Emit(0xE, 4); 17910444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Stream.Emit(0xD, 4); 17920444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines 17930444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines // Emit the module. 17940444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines WriteModule(M, Stream); 17950444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines } 17969b044ec938fd56355012851890c63974c8042c9fStephen Hines 17979b044ec938fd56355012851890c63974c8042c9fStephen Hines if (TT.isOSDarwin()) 17980444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines EmitDarwinBCHeaderAndTrailer(Buffer, TT); 17990444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines 18000444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines // Write the generated bitstream to "Out". 18010444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines Out.write((char*)&Buffer.front(), Buffer.size()); 18029b044ec938fd56355012851890c63974c8042c9fStephen Hines} 1803