diff options
author | Stephen Hines <srhines@google.com> | 2013-01-21 13:15:17 -0800 |
---|---|---|
committer | Stephen Hines <srhines@google.com> | 2013-01-21 13:15:17 -0800 |
commit | 059800f9e3fee2852672f846d91a2da14da7783a (patch) | |
tree | a6ef16b7263252ae1b8069295ea9cbbae0d9467d /lib/Bitcode/Writer | |
parent | cbefa15de4821975bb99fc6d74b3bdb42b2df45c (diff) | |
parent | b6714227eda5d499f7667fc865f931126a8dc488 (diff) | |
download | external_llvm-059800f9e3fee2852672f846d91a2da14da7783a.zip external_llvm-059800f9e3fee2852672f846d91a2da14da7783a.tar.gz external_llvm-059800f9e3fee2852672f846d91a2da14da7783a.tar.bz2 |
Merge remote-tracking branch 'upstream/master' into merge-llvm
Conflicts:
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
lib/MC/MCAssembler.cpp
lib/Support/Atomic.cpp
lib/Support/Memory.cpp
lib/Target/ARM/ARMJITInfo.cpp
Change-Id: Ib339baf88df5b04870c8df1bedcfe1f877ccab8d
Diffstat (limited to 'lib/Bitcode/Writer')
-rw-r--r-- | lib/Bitcode/Writer/BitWriter.cpp | 9 | ||||
-rw-r--r-- | lib/Bitcode/Writer/BitcodeWriter.cpp | 263 | ||||
-rw-r--r-- | lib/Bitcode/Writer/BitcodeWriterPass.cpp | 4 | ||||
-rw-r--r-- | lib/Bitcode/Writer/ValueEnumerator.cpp | 49 | ||||
-rw-r--r-- | lib/Bitcode/Writer/ValueEnumerator.h | 40 |
5 files changed, 204 insertions, 161 deletions
diff --git a/lib/Bitcode/Writer/BitWriter.cpp b/lib/Bitcode/Writer/BitWriter.cpp index 4288422..9f51c35 100644 --- a/lib/Bitcode/Writer/BitWriter.cpp +++ b/lib/Bitcode/Writer/BitWriter.cpp @@ -17,12 +17,11 @@ using namespace llvm; int LLVMWriteBitcodeToFile(LLVMModuleRef M, const char *Path) { std::string ErrorInfo; - raw_fd_ostream OS(Path, ErrorInfo, - raw_fd_ostream::F_Binary); - + raw_fd_ostream OS(Path, ErrorInfo, raw_fd_ostream::F_Binary); + if (!ErrorInfo.empty()) return -1; - + WriteBitcodeToFile(unwrap(M), OS); return 0; } @@ -30,7 +29,7 @@ int LLVMWriteBitcodeToFile(LLVMModuleRef M, const char *Path) { int LLVMWriteBitcodeToFD(LLVMModuleRef M, int FD, int ShouldClose, int Unbuffered) { raw_fd_ostream OS(FD, ShouldClose, Unbuffered); - + WriteBitcodeToFile(unwrap(M), OS); return 0; } diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp index 94ebe19..4ee762e 100644 --- a/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -12,22 +12,22 @@ //===----------------------------------------------------------------------===// #include "llvm/Bitcode/ReaderWriter.h" -#include "llvm/Bitcode/BitstreamWriter.h" -#include "llvm/Bitcode/LLVMBitCodes.h" #include "ValueEnumerator.h" -#include "llvm/Constants.h" -#include "llvm/DerivedTypes.h" -#include "llvm/InlineAsm.h" -#include "llvm/Instructions.h" -#include "llvm/Module.h" -#include "llvm/Operator.h" -#include "llvm/ValueSymbolTable.h" #include "llvm/ADT/Triple.h" +#include "llvm/Bitcode/BitstreamWriter.h" +#include "llvm/Bitcode/LLVMBitCodes.h" +#include "llvm/IR/Constants.h" +#include "llvm/IR/DerivedTypes.h" +#include "llvm/IR/InlineAsm.h" +#include "llvm/IR/Instructions.h" +#include "llvm/IR/Module.h" +#include "llvm/IR/Operator.h" +#include "llvm/IR/ValueSymbolTable.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/MathExtras.h" -#include "llvm/Support/raw_ostream.h" #include "llvm/Support/Program.h" +#include "llvm/Support/raw_ostream.h" #include <cctype> #include <map> using namespace llvm; @@ -41,8 +41,6 @@ EnablePreserveUseListOrdering("enable-bc-uselist-preserve", /// These are manifest constants used by the bitcode writer. They do not need to /// be kept in sync with the reader, but need to be consistent within this file. enum { - CurVersion = 0, - // VALUE_SYMTAB_BLOCK abbrev id's. VST_ENTRY_8_ABBREV = bitc::FIRST_APPLICATION_ABBREV, VST_ENTRY_7_ABBREV, @@ -63,7 +61,7 @@ enum { FUNCTION_INST_RET_VOID_ABBREV, FUNCTION_INST_RET_VAL_ABBREV, FUNCTION_INST_UNREACHABLE_ABBREV, - + // SwitchInst Magic SWITCH_INST_MAGIC = 0x4B5 // May 2012 => 1205 => Hex }; @@ -166,14 +164,14 @@ static void WriteStringRecord(unsigned Code, StringRef Str, // Emit information about parameter attributes. static void WriteAttributeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) { - const std::vector<AttrListPtr> &Attrs = VE.getAttributes(); + const std::vector<AttributeSet> &Attrs = VE.getAttributes(); if (Attrs.empty()) return; Stream.EnterSubblock(bitc::PARAMATTR_BLOCK_ID, 3); SmallVector<uint64_t, 64> Record; for (unsigned i = 0, e = Attrs.size(); i != e; ++i) { - const AttrListPtr &A = Attrs[i]; + const AttributeSet &A = Attrs[i]; for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) { const AttributeWithIndex &PAWI = A.getSlot(i); Record.push_back(PAWI.Index); @@ -236,7 +234,7 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) { Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, NumBits)); unsigned StructNamedAbbrev = Stream.EmitAbbrev(Abbv); - + // Abbrev for TYPE_CODE_ARRAY. Abbv = new BitCodeAbbrev(); Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_ARRAY)); @@ -258,16 +256,16 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) { switch (T->getTypeID()) { default: llvm_unreachable("Unknown type!"); - case Type::VoidTyID: Code = bitc::TYPE_CODE_VOID; break; - case Type::HalfTyID: Code = bitc::TYPE_CODE_HALF; break; - case Type::FloatTyID: Code = bitc::TYPE_CODE_FLOAT; break; - case Type::DoubleTyID: Code = bitc::TYPE_CODE_DOUBLE; break; - case Type::X86_FP80TyID: Code = bitc::TYPE_CODE_X86_FP80; break; - case Type::FP128TyID: Code = bitc::TYPE_CODE_FP128; break; + case Type::VoidTyID: Code = bitc::TYPE_CODE_VOID; break; + case Type::HalfTyID: Code = bitc::TYPE_CODE_HALF; break; + case Type::FloatTyID: Code = bitc::TYPE_CODE_FLOAT; break; + case Type::DoubleTyID: Code = bitc::TYPE_CODE_DOUBLE; break; + case Type::X86_FP80TyID: Code = bitc::TYPE_CODE_X86_FP80; break; + case Type::FP128TyID: Code = bitc::TYPE_CODE_FP128; break; case Type::PPC_FP128TyID: Code = bitc::TYPE_CODE_PPC_FP128; break; - case Type::LabelTyID: Code = bitc::TYPE_CODE_LABEL; break; - case Type::MetadataTyID: Code = bitc::TYPE_CODE_METADATA; break; - case Type::X86_MMXTyID: Code = bitc::TYPE_CODE_X86_MMX; break; + case Type::LabelTyID: Code = bitc::TYPE_CODE_LABEL; break; + case Type::MetadataTyID: Code = bitc::TYPE_CODE_METADATA; break; + case Type::X86_MMXTyID: Code = bitc::TYPE_CODE_X86_MMX; break; case Type::IntegerTyID: // INTEGER: [width] Code = bitc::TYPE_CODE_INTEGER; @@ -302,7 +300,7 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) { for (StructType::element_iterator I = ST->element_begin(), E = ST->element_end(); I != E; ++I) TypeVals.push_back(VE.getTypeID(*I)); - + if (ST->isLiteral()) { Code = bitc::TYPE_CODE_STRUCT_ANON; AbbrevToUse = StructAnonAbbrev; @@ -394,10 +392,6 @@ static unsigned getEncodedThreadLocalMode(const GlobalVariable *GV) { // descriptors for global variables, and function prototype info. static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE, BitstreamWriter &Stream) { - // Emit the list of dependent libraries for the Module. - for (Module::lib_iterator I = M->lib_begin(), E = M->lib_end(); I != E; ++I) - WriteStringRecord(bitc::MODULE_CODE_DEPLIB, *I, 0/*TODO*/, Stream); - // Emit various pieces of data attached to a module. if (!M->getTargetTriple().empty()) WriteStringRecord(bitc::MODULE_CODE_TRIPLE, M->getTargetTriple(), @@ -555,6 +549,18 @@ static uint64_t GetOptimizationFlags(const Value *V) { dyn_cast<PossiblyExactOperator>(V)) { if (PEO->isExact()) Flags |= 1 << bitc::PEO_EXACT; + } else if (const FPMathOperator *FPMO = + dyn_cast<const FPMathOperator>(V)) { + if (FPMO->hasUnsafeAlgebra()) + Flags |= FastMathFlags::UnsafeAlgebra; + if (FPMO->hasNoNaNs()) + Flags |= FastMathFlags::NoNaNs; + if (FPMO->hasNoInfs()) + Flags |= FastMathFlags::NoInfs; + if (FPMO->hasNoSignedZeros()) + Flags |= FastMathFlags::NoSignedZeros; + if (FPMO->hasAllowReciprocal()) + Flags |= FastMathFlags::AllowReciprocal; } return Flags; @@ -660,7 +666,7 @@ static void WriteFunctionLocalMetadata(const Function &F, } WriteMDNode(N, VE, Stream, Record); } - + if (StartedMetadataBlock) Stream.ExitBlock(); } @@ -675,18 +681,18 @@ static void WriteMetadataAttachment(const Function &F, // Write metadata attachments // METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]] SmallVector<std::pair<unsigned, MDNode*>, 4> MDs; - + for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I) { MDs.clear(); I->getAllMetadataOtherThanDebugLoc(MDs); - + // If no metadata, ignore instruction. if (MDs.empty()) continue; Record.push_back(VE.getInstructionID(I)); - + for (unsigned i = 0, e = MDs.size(); i != e; ++i) { Record.push_back(MDs[i].first); Record.push_back(VE.getValueID(MDs[i].second)); @@ -703,18 +709,18 @@ static void WriteModuleMetadataStore(const Module *M, BitstreamWriter &Stream) { // Write metadata kinds // METADATA_KIND - [n x [id, name]] - SmallVector<StringRef, 4> Names; + SmallVector<StringRef, 8> Names; M->getMDKindNames(Names); - + if (Names.empty()) return; Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3); - + for (unsigned MDKindID = 0, e = Names.size(); MDKindID != e; ++MDKindID) { Record.push_back(MDKindID); StringRef KName = Names[MDKindID]; Record.append(KName.begin(), KName.end()); - + Stream.EmitRecord(bitc::METADATA_KIND, Record, 0); Record.clear(); } @@ -722,16 +728,20 @@ static void WriteModuleMetadataStore(const Module *M, BitstreamWriter &Stream) { Stream.ExitBlock(); } +static void emitSignedInt64(SmallVectorImpl<uint64_t> &Vals, uint64_t V) { + if ((int64_t)V >= 0) + Vals.push_back(V << 1); + else + Vals.push_back((-V << 1) | 1); +} + static void EmitAPInt(SmallVectorImpl<uint64_t> &Vals, unsigned &Code, unsigned &AbbrevToUse, const APInt &Val, bool EmitSizeForWideNumbers = false ) { if (Val.getBitWidth() <= 64) { uint64_t V = Val.getSExtValue(); - if ((int64_t)V >= 0) - Vals.push_back(V << 1); - else - Vals.push_back((-V << 1) | 1); + emitSignedInt64(Vals, V); Code = bitc::CST_CODE_INTEGER; AbbrevToUse = CONSTANTS_INTEGER_ABBREV; } else { @@ -741,17 +751,13 @@ static void EmitAPInt(SmallVectorImpl<uint64_t> &Vals, // format it is likely that the high bits are going to be zero. // So, we only write the number of active words. unsigned NWords = Val.getActiveWords(); - + if (EmitSizeForWideNumbers) Vals.push_back(NWords); - + const uint64_t *RawWords = Val.getRawData(); for (unsigned i = 0; i != NWords; ++i) { - int64_t V = RawWords[i]; - if (V >= 0) - Vals.push_back(V << 1); - else - Vals.push_back((-V << 1) | 1); + emitSignedInt64(Vals, RawWords[i]); } Code = bitc::CST_CODE_WIDE_INTEGER; } @@ -883,12 +889,12 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal, if (isCStrChar6) isCStrChar6 = BitCodeAbbrevOp::isChar6(V); } - + if (isCStrChar6) AbbrevToUse = CString6Abbrev; else if (isCStr7) AbbrevToUse = CString7Abbrev; - } else if (const ConstantDataSequential *CDS = + } else if (const ConstantDataSequential *CDS = dyn_cast<ConstantDataSequential>(C)) { Code = bitc::CST_CODE_DATA; Type *EltTy = CDS->getType()->getElementType(); @@ -1025,12 +1031,13 @@ static void WriteModuleConstants(const ValueEnumerator &VE, /// /// This function adds V's value ID to Vals. If the value ID is higher than the /// instruction ID, then it is a forward reference, and it also includes the -/// type ID. +/// type ID. The value ID that is written is encoded relative to the InstID. static bool PushValueAndType(const Value *V, unsigned InstID, SmallVector<unsigned, 64> &Vals, ValueEnumerator &VE) { unsigned ValID = VE.getValueID(V); - Vals.push_back(ValID); + // Make encoding relative to the InstID. + Vals.push_back(InstID - ValID); if (ValID >= InstID) { Vals.push_back(VE.getTypeID(V->getType())); return true; @@ -1038,6 +1045,30 @@ static bool PushValueAndType(const Value *V, unsigned InstID, return false; } +/// pushValue - Like PushValueAndType, but where the type of the value is +/// omitted (perhaps it was already encoded in an earlier operand). +static void pushValue(const Value *V, unsigned InstID, + SmallVector<unsigned, 64> &Vals, + ValueEnumerator &VE) { + unsigned ValID = VE.getValueID(V); + Vals.push_back(InstID - ValID); +} + +static void pushValue64(const Value *V, unsigned InstID, + SmallVector<uint64_t, 128> &Vals, + ValueEnumerator &VE) { + uint64_t ValID = VE.getValueID(V); + Vals.push_back(InstID - ValID); +} + +static void pushValueSigned(const Value *V, unsigned InstID, + SmallVector<uint64_t, 128> &Vals, + ValueEnumerator &VE) { + unsigned ValID = VE.getValueID(V); + int64_t diff = ((int32_t)InstID - (int32_t)ValID); + emitSignedInt64(Vals, diff); +} + /// WriteInstruction - Emit an instruction to the specified stream. static void WriteInstruction(const Instruction &I, unsigned InstID, ValueEnumerator &VE, BitstreamWriter &Stream, @@ -1058,7 +1089,7 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, Code = bitc::FUNC_CODE_INST_BINOP; if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) AbbrevToUse = FUNCTION_INST_BINOP_ABBREV; - Vals.push_back(VE.getValueID(I.getOperand(1))); + pushValue(I.getOperand(1), InstID, Vals, VE); Vals.push_back(GetEncodedBinaryOpcode(I.getOpcode())); uint64_t Flags = GetOptimizationFlags(&I); if (Flags != 0) { @@ -1096,32 +1127,32 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, case Instruction::Select: Code = bitc::FUNC_CODE_INST_VSELECT; PushValueAndType(I.getOperand(1), InstID, Vals, VE); - Vals.push_back(VE.getValueID(I.getOperand(2))); + pushValue(I.getOperand(2), InstID, Vals, VE); PushValueAndType(I.getOperand(0), InstID, Vals, VE); break; case Instruction::ExtractElement: Code = bitc::FUNC_CODE_INST_EXTRACTELT; PushValueAndType(I.getOperand(0), InstID, Vals, VE); - Vals.push_back(VE.getValueID(I.getOperand(1))); + pushValue(I.getOperand(1), InstID, Vals, VE); break; case Instruction::InsertElement: Code = bitc::FUNC_CODE_INST_INSERTELT; PushValueAndType(I.getOperand(0), InstID, Vals, VE); - Vals.push_back(VE.getValueID(I.getOperand(1))); - Vals.push_back(VE.getValueID(I.getOperand(2))); + pushValue(I.getOperand(1), InstID, Vals, VE); + pushValue(I.getOperand(2), InstID, Vals, VE); break; case Instruction::ShuffleVector: Code = bitc::FUNC_CODE_INST_SHUFFLEVEC; PushValueAndType(I.getOperand(0), InstID, Vals, VE); - Vals.push_back(VE.getValueID(I.getOperand(1))); - Vals.push_back(VE.getValueID(I.getOperand(2))); + pushValue(I.getOperand(1), InstID, Vals, VE); + pushValue(I.getOperand(2), InstID, Vals, VE); break; case Instruction::ICmp: case Instruction::FCmp: // compare returning Int1Ty or vector of Int1Ty Code = bitc::FUNC_CODE_INST_CMP2; PushValueAndType(I.getOperand(0), InstID, Vals, VE); - Vals.push_back(VE.getValueID(I.getOperand(1))); + pushValue(I.getOperand(1), InstID, Vals, VE); Vals.push_back(cast<CmpInst>(I).getPredicate()); break; @@ -1147,7 +1178,7 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, Vals.push_back(VE.getValueID(II.getSuccessor(0))); if (II.isConditional()) { Vals.push_back(VE.getValueID(II.getSuccessor(1))); - Vals.push_back(VE.getValueID(II.getCondition())); + pushValue(II.getCondition(), InstID, Vals, VE); } } break; @@ -1156,36 +1187,36 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, // Redefine Vals, since here we need to use 64 bit values // explicitly to store large APInt numbers. SmallVector<uint64_t, 128> Vals64; - + Code = bitc::FUNC_CODE_INST_SWITCH; SwitchInst &SI = cast<SwitchInst>(I); - - uint32_t SwitchRecordHeader = SI.hash() | (SWITCH_INST_MAGIC << 16); - Vals64.push_back(SwitchRecordHeader); - + + uint32_t SwitchRecordHeader = SI.hash() | (SWITCH_INST_MAGIC << 16); + Vals64.push_back(SwitchRecordHeader); + Vals64.push_back(VE.getTypeID(SI.getCondition()->getType())); - Vals64.push_back(VE.getValueID(SI.getCondition())); + pushValue64(SI.getCondition(), InstID, Vals64, VE); Vals64.push_back(VE.getValueID(SI.getDefaultDest())); Vals64.push_back(SI.getNumCases()); for (SwitchInst::CaseIt i = SI.case_begin(), e = SI.case_end(); i != e; ++i) { IntegersSubset& CaseRanges = i.getCaseValueEx(); unsigned Code, Abbrev; // will unused. - + if (CaseRanges.isSingleNumber()) { Vals64.push_back(1/*NumItems = 1*/); Vals64.push_back(true/*IsSingleNumber = true*/); EmitAPInt(Vals64, Code, Abbrev, CaseRanges.getSingleNumber(0), true); } else { - + Vals64.push_back(CaseRanges.getNumItems()); - + if (CaseRanges.isSingleNumbersOnly()) { for (unsigned ri = 0, rn = CaseRanges.getNumItems(); ri != rn; ++ri) { - + Vals64.push_back(true/*IsSingleNumber = true*/); - + EmitAPInt(Vals64, Code, Abbrev, CaseRanges.getSingleNumber(ri), true); } @@ -1194,9 +1225,9 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, ri != rn; ++ri) { IntegersSubset::Range r = CaseRanges.getItem(ri); bool IsSingleNumber = CaseRanges.isSingleNumber(ri); - + Vals64.push_back(IsSingleNumber); - + EmitAPInt(Vals64, Code, Abbrev, r.getLow(), true); if (!IsSingleNumber) EmitAPInt(Vals64, Code, Abbrev, r.getHigh(), true); @@ -1204,9 +1235,9 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, } Vals64.push_back(VE.getValueID(i.getCaseSuccessor())); } - + Stream.EmitRecord(Code, Vals64, AbbrevToUse); - + // Also do expected action - clear external Vals collection: Vals.clear(); return; @@ -1215,10 +1246,12 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, case Instruction::IndirectBr: Code = bitc::FUNC_CODE_INST_INDIRECTBR; Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); - for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) + // Encode the address operand as relative, but not the basic blocks. + pushValue(I.getOperand(0), InstID, Vals, VE); + for (unsigned i = 1, e = I.getNumOperands(); i != e; ++i) Vals.push_back(VE.getValueID(I.getOperand(i))); break; - + case Instruction::Invoke: { const InvokeInst *II = cast<InvokeInst>(&I); const Value *Callee(II->getCalledValue()); @@ -1234,7 +1267,7 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, // Emit value #'s for the fixed parameters. for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) - Vals.push_back(VE.getValueID(I.getOperand(i))); // fixed param. + pushValue(I.getOperand(i), InstID, Vals, VE); // fixed param. // Emit type/value pairs for varargs params. if (FTy->isVarArg()) { @@ -1256,12 +1289,19 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, case Instruction::PHI: { const PHINode &PN = cast<PHINode>(I); Code = bitc::FUNC_CODE_INST_PHI; - Vals.push_back(VE.getTypeID(PN.getType())); + // With the newer instruction encoding, forward references could give + // negative valued IDs. This is most common for PHIs, so we use + // signed VBRs. + SmallVector<uint64_t, 128> Vals64; + Vals64.push_back(VE.getTypeID(PN.getType())); for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) { - Vals.push_back(VE.getValueID(PN.getIncomingValue(i))); - Vals.push_back(VE.getValueID(PN.getIncomingBlock(i))); + pushValueSigned(PN.getIncomingValue(i), InstID, Vals64, VE); + Vals64.push_back(VE.getValueID(PN.getIncomingBlock(i))); } - break; + // Emit a Vals64 vector and exit. + Stream.EmitRecord(Code, Vals64, AbbrevToUse); + Vals64.clear(); + return; } case Instruction::LandingPad: { @@ -1311,7 +1351,7 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, else Code = bitc::FUNC_CODE_INST_STORE; PushValueAndType(I.getOperand(1), InstID, Vals, VE); // ptrty + ptr - Vals.push_back(VE.getValueID(I.getOperand(0))); // val. + pushValue(I.getOperand(0), InstID, Vals, VE); // val. Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); Vals.push_back(cast<StoreInst>(I).isVolatile()); if (cast<StoreInst>(I).isAtomic()) { @@ -1322,8 +1362,8 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, case Instruction::AtomicCmpXchg: Code = bitc::FUNC_CODE_INST_CMPXCHG; PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr - Vals.push_back(VE.getValueID(I.getOperand(1))); // cmp. - Vals.push_back(VE.getValueID(I.getOperand(2))); // newval. + pushValue(I.getOperand(1), InstID, Vals, VE); // cmp. + pushValue(I.getOperand(2), InstID, Vals, VE); // newval. Vals.push_back(cast<AtomicCmpXchgInst>(I).isVolatile()); Vals.push_back(GetEncodedOrdering( cast<AtomicCmpXchgInst>(I).getOrdering())); @@ -1333,7 +1373,7 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, case Instruction::AtomicRMW: Code = bitc::FUNC_CODE_INST_ATOMICRMW; PushValueAndType(I.getOperand(0), InstID, Vals, VE); // ptrty + ptr - Vals.push_back(VE.getValueID(I.getOperand(1))); // val. + pushValue(I.getOperand(1), InstID, Vals, VE); // val. Vals.push_back(GetEncodedRMWOperation( cast<AtomicRMWInst>(I).getOperation())); Vals.push_back(cast<AtomicRMWInst>(I).isVolatile()); @@ -1358,8 +1398,13 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, PushValueAndType(CI.getCalledValue(), InstID, Vals, VE); // Callee // Emit value #'s for the fixed parameters. - for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) - Vals.push_back(VE.getValueID(CI.getArgOperand(i))); // fixed param. + for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) { + // Check for labels (can happen with asm labels). + if (FTy->getParamType(i)->isLabelTy()) + Vals.push_back(VE.getValueID(CI.getArgOperand(i))); + else + pushValue(CI.getArgOperand(i), InstID, Vals, VE); // fixed param. + } // Emit type/value pairs for varargs params. if (FTy->isVarArg()) { @@ -1372,7 +1417,7 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, case Instruction::VAArg: Code = bitc::FUNC_CODE_INST_VAARG; Vals.push_back(VE.getTypeID(I.getOperand(0)->getType())); // valistty - Vals.push_back(VE.getValueID(I.getOperand(0))); // valist. + pushValue(I.getOperand(0), InstID, Vals, VE); // valist. Vals.push_back(VE.getTypeID(I.getType())); // restype. break; } @@ -1465,21 +1510,21 @@ static void WriteFunction(const Function &F, ValueEnumerator &VE, unsigned InstID = CstEnd; bool NeedsMetadataAttachment = false; - + DebugLoc LastDL; - + // Finally, emit all the instructions, in order. for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I) { WriteInstruction(*I, InstID, VE, Stream, Vals); - + if (!I->getType()->isVoidTy()) ++InstID; - + // If the instruction has metadata, write a metadata attachment later. NeedsMetadataAttachment |= I->hasMetadataOtherThanDebugLoc(); - + // If the instruction has a debug location, emit it. DebugLoc DL = I->getDebugLoc(); if (DL.isUnknown()) { @@ -1490,14 +1535,14 @@ static void WriteFunction(const Function &F, ValueEnumerator &VE, } else { MDNode *Scope, *IA; DL.getScopeAndInlinedAt(Scope, IA, I->getContext()); - + Vals.push_back(DL.getLine()); Vals.push_back(DL.getCol()); Vals.push_back(Scope ? VE.getValueID(Scope)+1 : 0); Vals.push_back(IA ? VE.getValueID(IA)+1 : 0); Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals); Vals.clear(); - + LastDL = DL; } } @@ -1514,8 +1559,8 @@ static void WriteFunction(const Function &F, ValueEnumerator &VE, // Emit blockinfo, which defines the standard abbreviations etc. static void WriteBlockInfo(const ValueEnumerator &VE, BitstreamWriter &Stream) { // We only want to emit block info records for blocks that have multiple - // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. Other - // blocks can defined their abbrevs inline. + // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. + // Other blocks can define their abbrevs inline. Stream.EnterBlockInfoBlock(2); { // 8-bit fixed-width VST_ENTRY/VST_BBENTRY strings. @@ -1672,7 +1717,7 @@ static void WriteBlockInfo(const ValueEnumerator &VE, BitstreamWriter &Stream) { Stream.ExitBlock(); } -// Sort the Users based on the order in which the reader parses the bitcode +// Sort the Users based on the order in which the reader parses the bitcode // file. static bool bitcodereader_order(const User *lhs, const User *rhs) { // TODO: Implement. @@ -1741,9 +1786,9 @@ static void WriteModuleUseLists(const Module *M, ValueEnumerator &VE, for (Module::const_global_iterator I = M->global_begin(), E = M->global_end(); I != E; ++I) I->removeDeadConstantUsers(); - + // Write the global variables. - for (Module::const_global_iterator GI = M->global_begin(), + for (Module::const_global_iterator GI = M->global_begin(), GE = M->global_end(); GI != GE; ++GI) { WriteUseList(GI, VE, Stream); @@ -1773,12 +1818,10 @@ static void WriteModuleUseLists(const Module *M, ValueEnumerator &VE, static void WriteModule(const Module *M, BitstreamWriter &Stream) { Stream.EnterSubblock(bitc::MODULE_BLOCK_ID, 3); - // Emit the version number if it is non-zero. - if (CurVersion) { - SmallVector<unsigned, 1> Vals; - Vals.push_back(CurVersion); - Stream.EmitRecord(bitc::MODULE_CODE_VERSION, Vals); - } + SmallVector<unsigned, 1> Vals; + unsigned CurVersion = 1; + Vals.push_back(CurVersion); + Stream.EmitRecord(bitc::MODULE_CODE_VERSION, Vals); // Analyze the module, enumerating globals, functions, etc. ValueEnumerator VE(M); @@ -1896,7 +1939,7 @@ static void EmitDarwinBCHeaderAndTrailer(SmallVectorImpl<char> &Buffer, /// WriteBitcodeToFile - Write the specified module to the specified output /// stream. void llvm::WriteBitcodeToFile(const Module *M, raw_ostream &Out) { - SmallVector<char, 1024> Buffer; + SmallVector<char, 0> Buffer; Buffer.reserve(256*1024); // If this is darwin or another generic macho target, reserve space for the diff --git a/lib/Bitcode/Writer/BitcodeWriterPass.cpp b/lib/Bitcode/Writer/BitcodeWriterPass.cpp index 91e115c..e5e76e2 100644 --- a/lib/Bitcode/Writer/BitcodeWriterPass.cpp +++ b/lib/Bitcode/Writer/BitcodeWriterPass.cpp @@ -22,9 +22,9 @@ namespace { static char ID; // Pass identification, replacement for typeid explicit WriteBitcodePass(raw_ostream &o) : ModulePass(ID), OS(o) {} - + const char *getPassName() const { return "Bitcode Writer"; } - + bool runOnModule(Module &M) { WriteBitcodeToFile(&M, OS); return false; diff --git a/lib/Bitcode/Writer/ValueEnumerator.cpp b/lib/Bitcode/Writer/ValueEnumerator.cpp index 1ed9004..b2f7875 100644 --- a/lib/Bitcode/Writer/ValueEnumerator.cpp +++ b/lib/Bitcode/Writer/ValueEnumerator.cpp @@ -12,20 +12,20 @@ //===----------------------------------------------------------------------===// #include "ValueEnumerator.h" -#include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/STLExtras.h" -#include "llvm/Constants.h" -#include "llvm/DerivedTypes.h" -#include "llvm/Module.h" -#include "llvm/ValueSymbolTable.h" -#include "llvm/Instructions.h" +#include "llvm/ADT/SmallPtrSet.h" +#include "llvm/IR/Constants.h" +#include "llvm/IR/DerivedTypes.h" +#include "llvm/IR/Instructions.h" +#include "llvm/IR/Module.h" +#include "llvm/IR/ValueSymbolTable.h" #include "llvm/Support/Debug.h" #include "llvm/Support/raw_ostream.h" #include <algorithm> using namespace llvm; -static bool isIntegerValue(const std::pair<const Value*, unsigned> &V) { - return V.first->getType()->isIntegerTy(); +static bool isIntOrIntVectorValue(const std::pair<const Value*, unsigned> &V) { + return V.first->getType()->isIntOrIntVectorTy(); } /// ValueEnumerator - Enumerate module-level information. @@ -95,7 +95,7 @@ ValueEnumerator::ValueEnumerator(const Module *M) { I->getAllMetadataOtherThanDebugLoc(MDs); for (unsigned i = 0, e = MDs.size(); i != e; ++i) EnumerateMetadata(MDs[i].second); - + if (!I->getDebugLoc().isUnknown()) { MDNode *Scope, *IA; I->getDebugLoc().getScopeAndInlinedAt(Scope, IA, I->getContext()); @@ -192,10 +192,11 @@ void ValueEnumerator::OptimizeConstants(unsigned CstStart, unsigned CstEnd) { CstSortPredicate P(*this); std::stable_sort(Values.begin()+CstStart, Values.begin()+CstEnd, P); - // Ensure that integer constants are at the start of the constant pool. This - // is important so that GEP structure indices come before gep constant exprs. + // Ensure that integer and vector of integer constants are at the start of the + // constant pool. This is important so that GEP structure indices come before + // gep constant exprs. std::partition(Values.begin()+CstStart, Values.begin()+CstEnd, - isIntegerValue); + isIntOrIntVectorValue); // Rebuild the modified portion of ValueMap. for (; CstStart != CstEnd; ++CstStart) @@ -362,16 +363,16 @@ void ValueEnumerator::EnumerateType(Type *Ty) { if (StructType *STy = dyn_cast<StructType>(Ty)) if (!STy->isLiteral()) *TypeID = ~0U; - + // Enumerate all of the subtypes before we enumerate this type. This ensures // that the type will be enumerated in an order that can be directly built. for (Type::subtype_iterator I = Ty->subtype_begin(), E = Ty->subtype_end(); I != E; ++I) EnumerateType(*I); - + // Refresh the TypeID pointer in case the table rehashed. TypeID = &TypeMap[Ty]; - + // Check to see if we got the pointer another way. This can happen when // enumerating recursive types that hit the base case deeper than they start. // @@ -379,10 +380,10 @@ void ValueEnumerator::EnumerateType(Type *Ty) { // then emit the definition now that all of its contents are available. if (*TypeID && *TypeID != ~0U) return; - + // Add this type now that its contents are all happily enumerated. Types.push_back(Ty); - + *TypeID = Types.size(); } @@ -390,7 +391,7 @@ void ValueEnumerator::EnumerateType(Type *Ty) { // walk through it, enumerating the types of the constant. void ValueEnumerator::EnumerateOperandType(const Value *V) { EnumerateType(V->getType()); - + if (const Constant *C = dyn_cast<Constant>(V)) { // If this constant is already enumerated, ignore it, we know its type must // be enumerated. @@ -400,11 +401,11 @@ void ValueEnumerator::EnumerateOperandType(const Value *V) { // them. for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i) { const Value *Op = C->getOperand(i); - + // Don't enumerate basic blocks here, this happens as operands to // blockaddress. if (isa<BasicBlock>(Op)) continue; - + EnumerateOperandType(Op); } @@ -417,14 +418,14 @@ void ValueEnumerator::EnumerateOperandType(const Value *V) { EnumerateMetadata(V); } -void ValueEnumerator::EnumerateAttributes(const AttrListPtr &PAL) { +void ValueEnumerator::EnumerateAttributes(const AttributeSet &PAL) { if (PAL.isEmpty()) return; // null is always 0. // Do a lookup. unsigned &Entry = AttributeMap[PAL.getRawPointer()]; if (Entry == 0) { // Never saw this before, add it. - Attributes.push_back(PAL); - Entry = Attributes.size(); + Attribute.push_back(PAL); + Entry = Attribute.size(); } } @@ -481,7 +482,7 @@ void ValueEnumerator::incorporateFunction(const Function &F) { if (N->isFunctionLocal() && N->getFunction()) FnLocalMDVector.push_back(N); } - + if (!I->getType()->isVoidTy()) EnumerateValue(I); } diff --git a/lib/Bitcode/Writer/ValueEnumerator.h b/lib/Bitcode/Writer/ValueEnumerator.h index a6ca536..2d3d570 100644 --- a/lib/Bitcode/Writer/ValueEnumerator.h +++ b/lib/Bitcode/Writer/ValueEnumerator.h @@ -16,7 +16,7 @@ #include "llvm/ADT/DenseMap.h" #include "llvm/ADT/SmallVector.h" -#include "llvm/Attributes.h" +#include "llvm/IR/Attributes.h" #include <vector> namespace llvm { @@ -29,7 +29,7 @@ class Function; class Module; class MDNode; class NamedMDNode; -class AttrListPtr; +class AttributeSet; class ValueSymbolTable; class MDSymbolTable; class raw_ostream; @@ -51,15 +51,15 @@ private: ValueList MDValues; SmallVector<const MDNode *, 8> FunctionLocalMDs; ValueMapType MDValueMap; - + typedef DenseMap<void*, unsigned> AttributeMapType; AttributeMapType AttributeMap; - std::vector<AttrListPtr> Attributes; - + std::vector<AttributeSet> Attribute; + /// GlobalBasicBlockIDs - This map memoizes the basic block ID's referenced by /// the "getGlobalBasicBlockID" method. mutable DenseMap<const BasicBlock*, unsigned> GlobalBasicBlockIDs; - + typedef DenseMap<const Instruction*, unsigned> InstructionMapType; InstructionMapType InstructionMap; unsigned InstructionCount; @@ -67,7 +67,7 @@ private: /// BasicBlocks - This contains all the basic blocks for the currently /// incorporated function. Their reverse mapping is stored in ValueMap. std::vector<const BasicBlock*> BasicBlocks; - + /// When a function is incorporated, this is the size of the Values list /// before incorporation. unsigned NumModuleValues; @@ -78,9 +78,9 @@ private: unsigned FirstFuncConstantID; unsigned FirstInstID; - - ValueEnumerator(const ValueEnumerator &); // DO NOT IMPLEMENT - void operator=(const ValueEnumerator &); // DO NOT IMPLEMENT + + ValueEnumerator(const ValueEnumerator &) LLVM_DELETED_FUNCTION; + void operator=(const ValueEnumerator &) LLVM_DELETED_FUNCTION; public: ValueEnumerator(const Module *M); @@ -98,7 +98,7 @@ public: unsigned getInstructionID(const Instruction *I) const; void setInstructionID(const Instruction *I); - unsigned getAttributeID(const AttrListPtr &PAL) const { + unsigned getAttributeID(const AttributeSet &PAL) const { if (PAL.isEmpty()) return 0; // Null maps to zero. AttributeMapType::const_iterator I = AttributeMap.find(PAL.getRawPointer()); assert(I != AttributeMap.end() && "Attribute not in ValueEnumerator!"); @@ -111,20 +111,20 @@ public: Start = FirstFuncConstantID; End = FirstInstID; } - + const ValueList &getValues() const { return Values; } const ValueList &getMDValues() const { return MDValues; } - const SmallVector<const MDNode *, 8> &getFunctionLocalMDValues() const { + const SmallVector<const MDNode *, 8> &getFunctionLocalMDValues() const { return FunctionLocalMDs; } const TypeList &getTypes() const { return Types; } const std::vector<const BasicBlock*> &getBasicBlocks() const { - return BasicBlocks; + return BasicBlocks; } - const std::vector<AttrListPtr> &getAttributes() const { - return Attributes; + const std::vector<AttributeSet> &getAttributes() const { + return Attribute; } - + /// getGlobalBasicBlockID - This returns the function-specific ID for the /// specified basic block. This is relatively expensive information, so it /// should only be used by rare constructs such as address-of-label. @@ -138,7 +138,7 @@ public: private: void OptimizeConstants(unsigned CstStart, unsigned CstEnd); - + void EnumerateMDNodeOperands(const MDNode *N); void EnumerateMetadata(const Value *MD); void EnumerateFunctionLocalMetadata(const MDNode *N); @@ -146,8 +146,8 @@ private: void EnumerateValue(const Value *V); void EnumerateType(Type *T); void EnumerateOperandType(const Value *V); - void EnumerateAttributes(const AttrListPtr &PAL); - + void EnumerateAttributes(const AttributeSet &PAL); + void EnumerateValueSymbolTable(const ValueSymbolTable &ST); void EnumerateNamedMetadata(const Module *M); }; |