diff options
Diffstat (limited to 'contrib/llvm/lib/Bitcode/Writer')
-rw-r--r-- | contrib/llvm/lib/Bitcode/Writer/BitWriter.cpp | 2 | ||||
-rw-r--r-- | contrib/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 226 | ||||
-rw-r--r-- | contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp | 5 | ||||
-rw-r--r-- | contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.h | 2 |
4 files changed, 130 insertions, 105 deletions
diff --git a/contrib/llvm/lib/Bitcode/Writer/BitWriter.cpp b/contrib/llvm/lib/Bitcode/Writer/BitWriter.cpp index 985208c..cd1ada2 100644 --- a/contrib/llvm/lib/Bitcode/Writer/BitWriter.cpp +++ b/contrib/llvm/lib/Bitcode/Writer/BitWriter.cpp @@ -18,7 +18,7 @@ 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, sys::fs::F_Binary); if (!ErrorInfo.empty()) return -1; diff --git a/contrib/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/contrib/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 1b73f23..4cfc6bd 100644 --- a/contrib/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/contrib/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -60,10 +60,7 @@ enum { FUNCTION_INST_CAST_ABBREV, FUNCTION_INST_RET_VOID_ABBREV, FUNCTION_INST_RET_VAL_ABBREV, - FUNCTION_INST_UNREACHABLE_ABBREV, - - // SwitchInst Magic - SWITCH_INST_MAGIC = 0x4B5 // May 2012 => 1205 => Hex + FUNCTION_INST_UNREACHABLE_ABBREV }; static unsigned GetEncodedCastOpcode(unsigned Opcode) { @@ -81,6 +78,7 @@ static unsigned GetEncodedCastOpcode(unsigned Opcode) { case Instruction::PtrToInt: return bitc::CAST_PTRTOINT; case Instruction::IntToPtr: return bitc::CAST_INTTOPTR; case Instruction::BitCast : return bitc::CAST_BITCAST; + case Instruction::AddrSpaceCast: return bitc::CAST_ADDRSPACECAST; } } @@ -161,6 +159,91 @@ static void WriteStringRecord(unsigned Code, StringRef Str, Stream.EmitRecord(Code, Vals, AbbrevToUse); } +static uint64_t getAttrKindEncoding(Attribute::AttrKind Kind) { + switch (Kind) { + case Attribute::Alignment: + return bitc::ATTR_KIND_ALIGNMENT; + case Attribute::AlwaysInline: + return bitc::ATTR_KIND_ALWAYS_INLINE; + case Attribute::Builtin: + return bitc::ATTR_KIND_BUILTIN; + case Attribute::ByVal: + return bitc::ATTR_KIND_BY_VAL; + case Attribute::Cold: + return bitc::ATTR_KIND_COLD; + case Attribute::InlineHint: + return bitc::ATTR_KIND_INLINE_HINT; + case Attribute::InReg: + return bitc::ATTR_KIND_IN_REG; + case Attribute::MinSize: + return bitc::ATTR_KIND_MIN_SIZE; + case Attribute::Naked: + return bitc::ATTR_KIND_NAKED; + case Attribute::Nest: + return bitc::ATTR_KIND_NEST; + case Attribute::NoAlias: + return bitc::ATTR_KIND_NO_ALIAS; + case Attribute::NoBuiltin: + return bitc::ATTR_KIND_NO_BUILTIN; + case Attribute::NoCapture: + return bitc::ATTR_KIND_NO_CAPTURE; + case Attribute::NoDuplicate: + return bitc::ATTR_KIND_NO_DUPLICATE; + case Attribute::NoImplicitFloat: + return bitc::ATTR_KIND_NO_IMPLICIT_FLOAT; + case Attribute::NoInline: + return bitc::ATTR_KIND_NO_INLINE; + case Attribute::NonLazyBind: + return bitc::ATTR_KIND_NON_LAZY_BIND; + case Attribute::NoRedZone: + return bitc::ATTR_KIND_NO_RED_ZONE; + case Attribute::NoReturn: + return bitc::ATTR_KIND_NO_RETURN; + case Attribute::NoUnwind: + return bitc::ATTR_KIND_NO_UNWIND; + case Attribute::OptimizeForSize: + return bitc::ATTR_KIND_OPTIMIZE_FOR_SIZE; + case Attribute::OptimizeNone: + return bitc::ATTR_KIND_OPTIMIZE_NONE; + case Attribute::ReadNone: + return bitc::ATTR_KIND_READ_NONE; + case Attribute::ReadOnly: + return bitc::ATTR_KIND_READ_ONLY; + case Attribute::Returned: + return bitc::ATTR_KIND_RETURNED; + case Attribute::ReturnsTwice: + return bitc::ATTR_KIND_RETURNS_TWICE; + case Attribute::SExt: + return bitc::ATTR_KIND_S_EXT; + case Attribute::StackAlignment: + return bitc::ATTR_KIND_STACK_ALIGNMENT; + case Attribute::StackProtect: + return bitc::ATTR_KIND_STACK_PROTECT; + case Attribute::StackProtectReq: + return bitc::ATTR_KIND_STACK_PROTECT_REQ; + case Attribute::StackProtectStrong: + return bitc::ATTR_KIND_STACK_PROTECT_STRONG; + case Attribute::StructRet: + return bitc::ATTR_KIND_STRUCT_RET; + case Attribute::SanitizeAddress: + return bitc::ATTR_KIND_SANITIZE_ADDRESS; + case Attribute::SanitizeThread: + return bitc::ATTR_KIND_SANITIZE_THREAD; + case Attribute::SanitizeMemory: + return bitc::ATTR_KIND_SANITIZE_MEMORY; + case Attribute::UWTable: + return bitc::ATTR_KIND_UW_TABLE; + case Attribute::ZExt: + return bitc::ATTR_KIND_Z_EXT; + case Attribute::EndAttrKinds: + llvm_unreachable("Can not encode end-attribute kinds marker."); + case Attribute::None: + llvm_unreachable("Can not encode none-attribute."); + } + + llvm_unreachable("Trying to encode unknown attribute"); +} + static void WriteAttributeGroupTable(const ValueEnumerator &VE, BitstreamWriter &Stream) { const std::vector<AttributeSet> &AttrGrps = VE.getAttributeGroups(); @@ -182,10 +265,10 @@ static void WriteAttributeGroupTable(const ValueEnumerator &VE, Attribute Attr = *I; if (Attr.isEnumAttribute()) { Record.push_back(0); - Record.push_back(Attr.getKindAsEnum()); + Record.push_back(getAttrKindEncoding(Attr.getKindAsEnum())); } else if (Attr.isAlignAttribute()) { Record.push_back(1); - Record.push_back(Attr.getKindAsEnum()); + Record.push_back(getAttrKindEncoding(Attr.getKindAsEnum())); Record.push_back(Attr.getValueAsInt()); } else { StringRef Kind = Attr.getKindAsString(); @@ -407,7 +490,6 @@ static unsigned getEncodedLinkage(const GlobalValue *GV) { case GlobalValue::AvailableExternallyLinkage: return 12; case GlobalValue::LinkerPrivateLinkage: return 13; case GlobalValue::LinkerPrivateWeakLinkage: return 14; - case GlobalValue::LinkOnceODRAutoHideLinkage: return 15; } llvm_unreachable("Invalid linkage"); } @@ -524,7 +606,7 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE, // GLOBALVAR: [type, isconst, initid, // linkage, alignment, section, visibility, threadlocal, - // unnamed_addr] + // unnamed_addr, externally_initialized] Vals.push_back(VE.getTypeID(GV->getType())); Vals.push_back(GV->isConstant()); Vals.push_back(GV->isDeclaration() ? 0 : @@ -550,7 +632,7 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE, // Emit the function proto information. for (Module::const_iterator F = M->begin(), E = M->end(); F != E; ++F) { // FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment, - // section, visibility, gc, unnamed_addr] + // section, visibility, gc, unnamed_addr, prefix] Vals.push_back(VE.getTypeID(F->getType())); Vals.push_back(F->getCallingConv()); Vals.push_back(F->isDeclaration()); @@ -561,6 +643,8 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE, Vals.push_back(getEncodedVisibility(F)); Vals.push_back(F->hasGC() ? GCMap[F->getGC()] : 0); Vals.push_back(F->hasUnnamedAddr()); + Vals.push_back(F->hasPrefixData() ? (VE.getValueID(F->getPrefixData()) + 1) + : 0); unsigned AbbrevToUse = 0; Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse); @@ -614,7 +698,7 @@ static uint64_t GetOptimizationFlags(const Value *V) { static void WriteMDNode(const MDNode *N, const ValueEnumerator &VE, BitstreamWriter &Stream, - SmallVector<uint64_t, 64> &Record) { + SmallVectorImpl<uint64_t> &Record) { for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { if (N->getOperand(i)) { Record.push_back(VE.getTypeID(N->getOperand(i)->getType())); @@ -701,7 +785,7 @@ static void WriteFunctionLocalMetadata(const Function &F, BitstreamWriter &Stream) { bool StartedMetadataBlock = false; SmallVector<uint64_t, 64> Record; - const SmallVector<const MDNode *, 8> &Vals = VE.getFunctionLocalMDValues(); + const SmallVectorImpl<const MDNode *> &Vals = VE.getFunctionLocalMDValues(); for (unsigned i = 0, e = Vals.size(); i != e; ++i) if (const MDNode *N = Vals[i]) if (N->isFunctionLocal() && N->getFunction() == &F) { @@ -780,34 +864,6 @@ static void emitSignedInt64(SmallVectorImpl<uint64_t> &Vals, uint64_t V) { 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(); - emitSignedInt64(Vals, V); - Code = bitc::CST_CODE_INTEGER; - AbbrevToUse = CONSTANTS_INTEGER_ABBREV; - } else { - // Wide integers, > 64 bits in size. - // We have an arbitrary precision integer value to write whose - // bit width is > 64. However, in canonical unsigned integer - // 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) { - emitSignedInt64(Vals, RawWords[i]); - } - Code = bitc::CST_CODE_WIDE_INTEGER; - } -} - static void WriteConstants(unsigned FirstVal, unsigned LastVal, const ValueEnumerator &VE, BitstreamWriter &Stream, bool isGlobal) { @@ -891,7 +947,23 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal, } else if (isa<UndefValue>(C)) { Code = bitc::CST_CODE_UNDEF; } else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) { - EmitAPInt(Record, Code, AbbrevToUse, IV->getValue()); + if (IV->getBitWidth() <= 64) { + uint64_t V = IV->getSExtValue(); + emitSignedInt64(Record, V); + Code = bitc::CST_CODE_INTEGER; + AbbrevToUse = CONSTANTS_INTEGER_ABBREV; + } else { // Wide integers, > 64 bits in size. + // We have an arbitrary precision integer value to write whose + // bit width is > 64. However, in canonical unsigned integer + // format it is likely that the high bits are going to be zero. + // So, we only write the number of active words. + unsigned NWords = IV->getValue().getActiveWords(); + const uint64_t *RawWords = IV->getValue().getRawData(); + for (unsigned i = 0; i != NWords; ++i) { + emitSignedInt64(Record, RawWords[i]); + } + Code = bitc::CST_CODE_WIDE_INTEGER; + } } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C)) { Code = bitc::CST_CODE_FLOAT; Type *Ty = CFP->getType(); @@ -1078,7 +1150,7 @@ static void WriteModuleConstants(const ValueEnumerator &VE, /// instruction ID, then it is a forward reference, and it also includes the /// 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, + SmallVectorImpl<unsigned> &Vals, ValueEnumerator &VE) { unsigned ValID = VE.getValueID(V); // Make encoding relative to the InstID. @@ -1093,21 +1165,14 @@ static bool PushValueAndType(const Value *V, unsigned InstID, /// 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, + SmallVectorImpl<unsigned> &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, + SmallVectorImpl<uint64_t> &Vals, ValueEnumerator &VE) { unsigned ValID = VE.getValueID(V); int64_t diff = ((int32_t)InstID - (int32_t)ValID); @@ -1117,7 +1182,7 @@ static void pushValueSigned(const Value *V, unsigned InstID, /// WriteInstruction - Emit an instruction to the specified stream. static void WriteInstruction(const Instruction &I, unsigned InstID, ValueEnumerator &VE, BitstreamWriter &Stream, - SmallVector<unsigned, 64> &Vals) { + SmallVectorImpl<unsigned> &Vals) { unsigned Code = 0; unsigned AbbrevToUse = 0; VE.setInstructionID(&I); @@ -1229,63 +1294,16 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, break; case Instruction::Switch: { - // 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; const SwitchInst &SI = cast<SwitchInst>(I); - - uint32_t SwitchRecordHeader = SI.hash() | (SWITCH_INST_MAGIC << 16); - Vals64.push_back(SwitchRecordHeader); - - Vals64.push_back(VE.getTypeID(SI.getCondition()->getType())); - pushValue64(SI.getCondition(), InstID, Vals64, VE); - Vals64.push_back(VE.getValueID(SI.getDefaultDest())); - Vals64.push_back(SI.getNumCases()); + Vals.push_back(VE.getTypeID(SI.getCondition()->getType())); + pushValue(SI.getCondition(), InstID, Vals, VE); + Vals.push_back(VE.getValueID(SI.getDefaultDest())); for (SwitchInst::ConstCaseIt i = SI.case_begin(), e = SI.case_end(); i != e; ++i) { - const 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); - } - } else - for (unsigned ri = 0, rn = CaseRanges.getNumItems(); - 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); - } - } - Vals64.push_back(VE.getValueID(i.getCaseSuccessor())); + Vals.push_back(VE.getValueID(i.getCaseValue())); + Vals.push_back(VE.getValueID(i.getCaseSuccessor())); } - - Stream.EmitRecord(Code, Vals64, AbbrevToUse); - - // Also do expected action - clear external Vals collection: - Vals.clear(); - return; } break; case Instruction::IndirectBr: @@ -1847,6 +1865,8 @@ static void WriteModuleUseLists(const Module *M, ValueEnumerator &VE, WriteUseList(FI, VE, Stream); if (!FI->isDeclaration()) WriteFunctionUseList(FI, VE, Stream); + if (FI->hasPrefixData()) + WriteUseList(FI->getPrefixData(), VE, Stream); } // Write the aliases. diff --git a/contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp b/contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp index 8bac6da..a164104 100644 --- a/contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp +++ b/contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp @@ -60,6 +60,11 @@ ValueEnumerator::ValueEnumerator(const Module *M) { I != E; ++I) EnumerateValue(I->getAliasee()); + // Enumerate the prefix data constants. + for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) + if (I->hasPrefixData()) + EnumerateValue(I->getPrefixData()); + // Insert constants and metadata that are named at module level into the slot // pool so that the module symbol table can refer to them... EnumerateValueSymbolTable(M->getValueSymbolTable()); diff --git a/contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.h b/contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.h index 0af6164c..d1ca15f 100644 --- a/contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.h +++ b/contrib/llvm/lib/Bitcode/Writer/ValueEnumerator.h @@ -125,7 +125,7 @@ public: const ValueList &getValues() const { return Values; } const ValueList &getMDValues() const { return MDValues; } - const SmallVector<const MDNode *, 8> &getFunctionLocalMDValues() const { + const SmallVectorImpl<const MDNode *> &getFunctionLocalMDValues() const { return FunctionLocalMDs; } const TypeList &getTypes() const { return Types; } |