#include "llvm/ADT/Triple.h"
#include "llvm/Bitcode/BitstreamWriter.h"
#include "llvm/Bitcode/LLVMBitCodes.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/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/Program.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/ValueSymbolTable.h"
#include <cctype>
#include <map>
using namespace llvm;
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) {
Stream.EmitRecord(Code, Vals, AbbrevToUse);
}
-// Emit information about parameter attributes.
+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();
+ if (AttrGrps.empty()) return;
+
+ Stream.EnterSubblock(bitc::PARAMATTR_GROUP_BLOCK_ID, 3);
+
+ SmallVector<uint64_t, 64> Record;
+ for (unsigned i = 0, e = AttrGrps.size(); i != e; ++i) {
+ AttributeSet AS = AttrGrps[i];
+ for (unsigned i = 0, e = AS.getNumSlots(); i != e; ++i) {
+ AttributeSet A = AS.getSlotAttributes(i);
+
+ Record.push_back(VE.getAttributeGroupID(A));
+ Record.push_back(AS.getSlotIndex(i));
+
+ for (AttributeSet::iterator I = AS.begin(0), E = AS.end(0);
+ I != E; ++I) {
+ Attribute Attr = *I;
+ if (Attr.isEnumAttribute()) {
+ Record.push_back(0);
+ Record.push_back(getAttrKindEncoding(Attr.getKindAsEnum()));
+ } else if (Attr.isAlignAttribute()) {
+ Record.push_back(1);
+ Record.push_back(getAttrKindEncoding(Attr.getKindAsEnum()));
+ Record.push_back(Attr.getValueAsInt());
+ } else {
+ StringRef Kind = Attr.getKindAsString();
+ StringRef Val = Attr.getValueAsString();
+
+ Record.push_back(Val.empty() ? 3 : 4);
+ Record.append(Kind.begin(), Kind.end());
+ Record.push_back(0);
+ if (!Val.empty()) {
+ Record.append(Val.begin(), Val.end());
+ Record.push_back(0);
+ }
+ }
+ }
+
+ Stream.EmitRecord(bitc::PARAMATTR_GRP_CODE_ENTRY, Record);
+ Record.clear();
+ }
+ }
+
+ Stream.ExitBlock();
+}
+
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];
- for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) {
- const AttributeWithIndex &PAWI = A.getSlot(i);
- Record.push_back(PAWI.Index);
- Record.push_back(Attributes::encodeLLVMAttributesForBitcode(PAWI.Attrs));
- }
+ const AttributeSet &A = Attrs[i];
+ for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i)
+ Record.push_back(VE.getAttributeGroupID(A.getSlotAttributes(i)));
Stream.EmitRecord(bitc::PARAMATTR_CODE_ENTRY, Record);
Record.clear();
Vals.push_back(GV->hasSection() ? SectionMap[GV->getSection()] : 0);
if (GV->isThreadLocal() ||
GV->getVisibility() != GlobalValue::DefaultVisibility ||
- GV->hasUnnamedAddr()) {
+ GV->hasUnnamedAddr() || GV->isExternallyInitialized()) {
Vals.push_back(getEncodedVisibility(GV));
Vals.push_back(getEncodedThreadLocalMode(GV));
Vals.push_back(GV->hasUnnamedAddr());
+ Vals.push_back(GV->isExternallyInitialized());
} else {
AbbrevToUse = SimpleGVarAbbrev;
}
// 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());
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);
} else if (const FPMathOperator *FPMO =
dyn_cast<const FPMathOperator>(V)) {
if (FPMO->hasUnsafeAlgebra())
- Flags |= 1 << bitc::FMF_UNSAFE_ALGEBRA;
+ Flags |= FastMathFlags::UnsafeAlgebra;
if (FPMO->hasNoNaNs())
- Flags |= 1 << bitc::FMF_NO_NANS;
+ Flags |= FastMathFlags::NoNaNs;
if (FPMO->hasNoInfs())
- Flags |= 1 << bitc::FMF_NO_INFS;
+ Flags |= FastMathFlags::NoInfs;
if (FPMO->hasNoSignedZeros())
- Flags |= 1 << bitc::FMF_NO_SIGNED_ZEROS;
+ Flags |= FastMathFlags::NoSignedZeros;
if (FPMO->hasAllowReciprocal())
- Flags |= 1 << bitc::FMF_ALLOW_RECIPROCAL;
+ Flags |= FastMathFlags::AllowReciprocal;
}
return Flags;
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()));
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) {
// Write metadata kinds
// METADATA_KIND - [n x [id, name]]
- SmallVector<StringRef, 4> Names;
+ SmallVector<StringRef, 8> Names;
M->getMDKindNames(Names);
if (Names.empty()) return;
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) {
} 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();
/// 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.
/// 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);
/// 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);
case Instruction::Br:
{
Code = bitc::FUNC_CODE_INST_BR;
- BranchInst &II = cast<BranchInst>(I);
+ const BranchInst &II = cast<BranchInst>(I);
Vals.push_back(VE.getValueID(II.getSuccessor(0)));
if (II.isConditional()) {
Vals.push_back(VE.getValueID(II.getSuccessor(1)));
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;
- 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());
- for (SwitchInst::CaseIt i = SI.case_begin(), e = SI.case_end();
+ const SwitchInst &SI = cast<SwitchInst>(I);
+ 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) {
- 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:
WriteUseList(FI, VE, Stream);
if (!FI->isDeclaration())
WriteFunctionUseList(FI, VE, Stream);
+ if (FI->hasPrefixData())
+ WriteUseList(FI->getPrefixData(), VE, Stream);
}
// Write the aliases.
// Emit blockinfo, which defines the standard abbreviations etc.
WriteBlockInfo(VE, Stream);
+ // Emit information about attribute groups.
+ WriteAttributeGroupTable(VE, Stream);
+
// Emit information about parameter attributes.
WriteAttributeTable(VE, Stream);
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