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-rw-r--r--lib/Bitcode/Writer/BitcodeWriter.cpp658
1 files changed, 549 insertions, 109 deletions
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index 6cfc357..ecb6f7c 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -17,6 +17,7 @@
#include "llvm/Bitcode/BitstreamWriter.h"
#include "llvm/Bitcode/LLVMBitCodes.h"
#include "llvm/IR/Constants.h"
+#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/Instructions.h"
@@ -55,7 +56,8 @@ enum {
FUNCTION_INST_CAST_ABBREV,
FUNCTION_INST_RET_VOID_ABBREV,
FUNCTION_INST_RET_VAL_ABBREV,
- FUNCTION_INST_UNREACHABLE_ABBREV
+ FUNCTION_INST_UNREACHABLE_ABBREV,
+ FUNCTION_INST_GEP_ABBREV,
};
static unsigned GetEncodedCastOpcode(unsigned Opcode) {
@@ -322,7 +324,7 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) {
Stream.EnterSubblock(bitc::TYPE_BLOCK_ID_NEW, 4 /*count from # abbrevs */);
SmallVector<uint64_t, 64> TypeVals;
- uint64_t NumBits = Log2_32_Ceil(VE.getTypes().size()+1);
+ uint64_t NumBits = VE.computeBitsRequiredForTypeIndicies();
// Abbrev for TYPE_CODE_POINTER.
BitCodeAbbrev *Abbv = new BitCodeAbbrev();
@@ -477,17 +479,28 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) {
static unsigned getEncodedLinkage(const GlobalValue &GV) {
switch (GV.getLinkage()) {
- case GlobalValue::ExternalLinkage: return 0;
- case GlobalValue::WeakAnyLinkage: return 1;
- case GlobalValue::AppendingLinkage: return 2;
- case GlobalValue::InternalLinkage: return 3;
- case GlobalValue::LinkOnceAnyLinkage: return 4;
- case GlobalValue::ExternalWeakLinkage: return 7;
- case GlobalValue::CommonLinkage: return 8;
- case GlobalValue::PrivateLinkage: return 9;
- case GlobalValue::WeakODRLinkage: return 10;
- case GlobalValue::LinkOnceODRLinkage: return 11;
- case GlobalValue::AvailableExternallyLinkage: return 12;
+ case GlobalValue::ExternalLinkage:
+ return 0;
+ case GlobalValue::WeakAnyLinkage:
+ return 16;
+ case GlobalValue::AppendingLinkage:
+ return 2;
+ case GlobalValue::InternalLinkage:
+ return 3;
+ case GlobalValue::LinkOnceAnyLinkage:
+ return 18;
+ case GlobalValue::ExternalWeakLinkage:
+ return 7;
+ case GlobalValue::CommonLinkage:
+ return 8;
+ case GlobalValue::PrivateLinkage:
+ return 9;
+ case GlobalValue::WeakODRLinkage:
+ return 17;
+ case GlobalValue::LinkOnceODRLinkage:
+ return 19;
+ case GlobalValue::AvailableExternallyLinkage:
+ return 12;
}
llvm_unreachable("Invalid linkage");
}
@@ -538,11 +551,13 @@ static unsigned getEncodedComdatSelectionKind(const Comdat &C) {
}
static void writeComdats(const ValueEnumerator &VE, BitstreamWriter &Stream) {
- SmallVector<uint8_t, 64> Vals;
+ SmallVector<uint16_t, 64> Vals;
for (const Comdat *C : VE.getComdats()) {
// COMDAT: [selection_kind, name]
Vals.push_back(getEncodedComdatSelectionKind(*C));
- Vals.push_back(C->getName().size());
+ size_t Size = C->getName().size();
+ assert(isUInt<16>(Size));
+ Vals.push_back(Size);
for (char Chr : C->getName())
Vals.push_back((unsigned char)Chr);
Stream.EmitRecord(bitc::MODULE_CODE_COMDAT, Vals, /*AbbrevToUse=*/0);
@@ -616,7 +631,7 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
Log2_32_Ceil(MaxGlobalType+1)));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Constant.
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Initializer.
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // Linkage.
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); // Linkage.
if (MaxAlignment == 0) // Alignment.
Abbv->Add(BitCodeAbbrevOp(0));
else {
@@ -640,7 +655,8 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
// GLOBALVAR: [type, isconst, initid,
// linkage, alignment, section, visibility, threadlocal,
- // unnamed_addr, externally_initialized, dllstorageclass]
+ // unnamed_addr, externally_initialized, dllstorageclass,
+ // comdat]
Vals.push_back(VE.getTypeID(GV.getType()));
Vals.push_back(GV.isConstant());
Vals.push_back(GV.isDeclaration() ? 0 :
@@ -670,7 +686,8 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
// Emit the function proto information.
for (const Function &F : *M) {
// FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment,
- // section, visibility, gc, unnamed_addr, prefix]
+ // section, visibility, gc, unnamed_addr, prologuedata,
+ // dllstorageclass, comdat, prefixdata]
Vals.push_back(VE.getTypeID(F.getType()));
Vals.push_back(F.getCallingConv());
Vals.push_back(F.isDeclaration());
@@ -681,10 +698,12 @@ 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);
+ Vals.push_back(F.hasPrologueData() ? (VE.getValueID(F.getPrologueData()) + 1)
+ : 0);
Vals.push_back(getEncodedDLLStorageClass(F));
Vals.push_back(F.hasComdat() ? VE.getComdatID(F.getComdat()) : 0);
+ Vals.push_back(F.hasPrefixData() ? (VE.getValueID(F.getPrefixData()) + 1)
+ : 0);
unsigned AbbrevToUse = 0;
Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse);
@@ -734,89 +753,497 @@ static uint64_t GetOptimizationFlags(const Value *V) {
return Flags;
}
-static void WriteMDNode(const MDNode *N,
- const ValueEnumerator &VE,
- BitstreamWriter &Stream,
- SmallVectorImpl<uint64_t> &Record) {
+static void WriteValueAsMetadata(const ValueAsMetadata *MD,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record) {
+ // Mimic an MDNode with a value as one operand.
+ Value *V = MD->getValue();
+ Record.push_back(VE.getTypeID(V->getType()));
+ Record.push_back(VE.getValueID(V));
+ Stream.EmitRecord(bitc::METADATA_VALUE, Record, 0);
+ Record.clear();
+}
+
+static void WriteMDTuple(const MDTuple *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record, unsigned Abbrev) {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
- if (N->getOperand(i)) {
- Record.push_back(VE.getTypeID(N->getOperand(i)->getType()));
- Record.push_back(VE.getValueID(N->getOperand(i)));
- } else {
- Record.push_back(VE.getTypeID(Type::getVoidTy(N->getContext())));
- Record.push_back(0);
- }
+ Metadata *MD = N->getOperand(i);
+ assert(!(MD && isa<LocalAsMetadata>(MD)) &&
+ "Unexpected function-local metadata");
+ Record.push_back(VE.getMetadataOrNullID(MD));
}
- unsigned MDCode = N->isFunctionLocal() ? bitc::METADATA_FN_NODE :
- bitc::METADATA_NODE;
- Stream.EmitRecord(MDCode, Record, 0);
+ Stream.EmitRecord(N->isDistinct() ? bitc::METADATA_DISTINCT_NODE
+ : bitc::METADATA_NODE,
+ Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDLocation(const MDLocation *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getLine());
+ Record.push_back(N->getColumn());
+ Record.push_back(VE.getMetadataID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getInlinedAt()));
+
+ Stream.EmitRecord(bitc::METADATA_LOCATION, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteGenericDebugNode(const GenericDebugNode *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(0); // Per-tag version field; unused for now.
+
+ for (auto &I : N->operands())
+ Record.push_back(VE.getMetadataOrNullID(I));
+
+ Stream.EmitRecord(bitc::METADATA_GENERIC_DEBUG, Record, Abbrev);
+ Record.clear();
+}
+
+static uint64_t rotateSign(int64_t I) {
+ uint64_t U = I;
+ return I < 0 ? ~(U << 1) : U << 1;
+}
+
+static void WriteMDSubrange(const MDSubrange *N, const ValueEnumerator &,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getCount());
+ Record.push_back(rotateSign(N->getLo()));
+
+ Stream.EmitRecord(bitc::METADATA_SUBRANGE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDEnumerator(const MDEnumerator *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(rotateSign(N->getValue()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+
+ Stream.EmitRecord(bitc::METADATA_ENUMERATOR, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDBasicType(const MDBasicType *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(N->getSizeInBits());
+ Record.push_back(N->getAlignInBits());
+ Record.push_back(N->getEncoding());
+
+ Stream.EmitRecord(bitc::METADATA_BASIC_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDDerivedType(const MDDerivedType *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getBaseType()));
+ Record.push_back(N->getSizeInBits());
+ Record.push_back(N->getAlignInBits());
+ Record.push_back(N->getOffsetInBits());
+ Record.push_back(N->getFlags());
+ Record.push_back(VE.getMetadataOrNullID(N->getExtraData()));
+
+ Stream.EmitRecord(bitc::METADATA_DERIVED_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDCompositeType(const MDCompositeType *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getBaseType()));
+ Record.push_back(N->getSizeInBits());
+ Record.push_back(N->getAlignInBits());
+ Record.push_back(N->getOffsetInBits());
+ Record.push_back(N->getFlags());
+ Record.push_back(VE.getMetadataOrNullID(N->getElements()));
+ Record.push_back(N->getRuntimeLang());
+ Record.push_back(VE.getMetadataOrNullID(N->getVTableHolder()));
+ Record.push_back(VE.getMetadataOrNullID(N->getTemplateParams()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawIdentifier()));
+
+ Stream.EmitRecord(bitc::METADATA_COMPOSITE_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDSubroutineType(const MDSubroutineType *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getFlags());
+ Record.push_back(VE.getMetadataOrNullID(N->getTypeArray()));
+
+ Stream.EmitRecord(bitc::METADATA_SUBROUTINE_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDFile(const MDFile *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record, unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawFilename()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawDirectory()));
+
+ Stream.EmitRecord(bitc::METADATA_FILE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDCompileUnit(const MDCompileUnit *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getSourceLanguage());
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawProducer()));
+ Record.push_back(N->isOptimized());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawFlags()));
+ Record.push_back(N->getRuntimeVersion());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawSplitDebugFilename()));
+ Record.push_back(N->getEmissionKind());
+ Record.push_back(VE.getMetadataOrNullID(N->getEnumTypes()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRetainedTypes()));
+ Record.push_back(VE.getMetadataOrNullID(N->getSubprograms()));
+ Record.push_back(VE.getMetadataOrNullID(N->getGlobalVariables()));
+ Record.push_back(VE.getMetadataOrNullID(N->getImportedEntities()));
+
+ Stream.EmitRecord(bitc::METADATA_COMPILE_UNIT, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDSubprogram(const MDSubprogram *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawLinkageName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+ Record.push_back(N->isLocalToUnit());
+ Record.push_back(N->isDefinition());
+ Record.push_back(N->getScopeLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getContainingType()));
+ Record.push_back(N->getVirtuality());
+ Record.push_back(N->getVirtualIndex());
+ Record.push_back(N->getFlags());
+ Record.push_back(N->isOptimized());
+ Record.push_back(VE.getMetadataOrNullID(N->getFunction()));
+ Record.push_back(VE.getMetadataOrNullID(N->getTemplateParams()));
+ Record.push_back(VE.getMetadataOrNullID(N->getDeclaration()));
+ Record.push_back(VE.getMetadataOrNullID(N->getVariables()));
+
+ Stream.EmitRecord(bitc::METADATA_SUBPROGRAM, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDLexicalBlock(const MDLexicalBlock *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(N->getColumn());
+
+ Stream.EmitRecord(bitc::METADATA_LEXICAL_BLOCK, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDLexicalBlockFile(const MDLexicalBlockFile *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getDiscriminator());
+
+ Stream.EmitRecord(bitc::METADATA_LEXICAL_BLOCK_FILE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDNamespace(const MDNamespace *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(N->getLine());
+
+ Stream.EmitRecord(bitc::METADATA_NAMESPACE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDTemplateTypeParameter(const MDTemplateTypeParameter *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+
+ Stream.EmitRecord(bitc::METADATA_TEMPLATE_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDTemplateValueParameter(const MDTemplateValueParameter *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+ Record.push_back(VE.getMetadataOrNullID(N->getValue()));
+
+ Stream.EmitRecord(bitc::METADATA_TEMPLATE_VALUE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDGlobalVariable(const MDGlobalVariable *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawLinkageName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+ Record.push_back(N->isLocalToUnit());
+ Record.push_back(N->isDefinition());
+ Record.push_back(VE.getMetadataOrNullID(N->getVariable()));
+ Record.push_back(VE.getMetadataOrNullID(N->getStaticDataMemberDeclaration()));
+
+ Stream.EmitRecord(bitc::METADATA_GLOBAL_VAR, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDLocalVariable(const MDLocalVariable *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+ Record.push_back(N->getArg());
+ Record.push_back(N->getFlags());
+ Record.push_back(VE.getMetadataOrNullID(N->getInlinedAt()));
+
+ Stream.EmitRecord(bitc::METADATA_LOCAL_VAR, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDExpression(const MDExpression *N, const ValueEnumerator &,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.reserve(N->getElements().size() + 1);
+
+ Record.push_back(N->isDistinct());
+ Record.append(N->elements_begin(), N->elements_end());
+
+ Stream.EmitRecord(bitc::METADATA_EXPRESSION, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDObjCProperty(const MDObjCProperty *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawSetterName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawGetterName()));
+ Record.push_back(N->getAttributes());
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+
+ Stream.EmitRecord(bitc::METADATA_OBJC_PROPERTY, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteMDImportedEntity(const MDImportedEntity *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getEntity()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+
+ Stream.EmitRecord(bitc::METADATA_IMPORTED_ENTITY, Record, Abbrev);
Record.clear();
}
static void WriteModuleMetadata(const Module *M,
const ValueEnumerator &VE,
BitstreamWriter &Stream) {
- const auto &Vals = VE.getMDValues();
- bool StartedMetadataBlock = false;
+ const auto &MDs = VE.getMDs();
+ if (MDs.empty() && M->named_metadata_empty())
+ return;
+
+ Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
+
unsigned MDSAbbrev = 0;
- SmallVector<uint64_t, 64> Record;
- for (unsigned i = 0, e = Vals.size(); i != e; ++i) {
+ if (VE.hasMDString()) {
+ // Abbrev for METADATA_STRING.
+ BitCodeAbbrev *Abbv = new BitCodeAbbrev();
+ Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_STRING));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8));
+ MDSAbbrev = Stream.EmitAbbrev(Abbv);
+ }
- if (const MDNode *N = dyn_cast<MDNode>(Vals[i])) {
- if (!N->isFunctionLocal() || !N->getFunction()) {
- if (!StartedMetadataBlock) {
- Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
- StartedMetadataBlock = true;
- }
- WriteMDNode(N, VE, Stream, Record);
- }
- } else if (const MDString *MDS = dyn_cast<MDString>(Vals[i])) {
- if (!StartedMetadataBlock) {
- Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
-
- // Abbrev for METADATA_STRING.
- BitCodeAbbrev *Abbv = new BitCodeAbbrev();
- Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_STRING));
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8));
- MDSAbbrev = Stream.EmitAbbrev(Abbv);
- StartedMetadataBlock = true;
- }
+ // Initialize MDNode abbreviations.
+#define HANDLE_MDNODE_LEAF(CLASS) unsigned CLASS##Abbrev = 0;
+#include "llvm/IR/Metadata.def"
- // Code: [strchar x N]
- Record.append(MDS->begin(), MDS->end());
+ if (VE.hasMDLocation()) {
+ // Abbrev for METADATA_LOCATION.
+ //
+ // Assume the column is usually under 128, and always output the inlined-at
+ // location (it's never more expensive than building an array size 1).
+ BitCodeAbbrev *Abbv = new BitCodeAbbrev();
+ Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_LOCATION));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
+ MDLocationAbbrev = Stream.EmitAbbrev(Abbv);
+ }
- // Emit the finished record.
- Stream.EmitRecord(bitc::METADATA_STRING, Record, MDSAbbrev);
- Record.clear();
- }
+ if (VE.hasGenericDebugNode()) {
+ // Abbrev for METADATA_GENERIC_DEBUG.
+ //
+ // Assume the column is usually under 128, and always output the inlined-at
+ // location (it's never more expensive than building an array size 1).
+ BitCodeAbbrev *Abbv = new BitCodeAbbrev();
+ Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_GENERIC_DEBUG));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
+ GenericDebugNodeAbbrev = Stream.EmitAbbrev(Abbv);
}
- // Write named metadata.
- for (Module::const_named_metadata_iterator I = M->named_metadata_begin(),
- E = M->named_metadata_end(); I != E; ++I) {
- const NamedMDNode *NMD = I;
- if (!StartedMetadataBlock) {
- Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
- StartedMetadataBlock = true;
+ unsigned NameAbbrev = 0;
+ if (!M->named_metadata_empty()) {
+ // Abbrev for METADATA_NAME.
+ BitCodeAbbrev *Abbv = new BitCodeAbbrev();
+ Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_NAME));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8));
+ NameAbbrev = Stream.EmitAbbrev(Abbv);
+ }
+
+ SmallVector<uint64_t, 64> Record;
+ for (const Metadata *MD : MDs) {
+ if (const MDNode *N = dyn_cast<MDNode>(MD)) {
+ switch (N->getMetadataID()) {
+ default:
+ llvm_unreachable("Invalid MDNode subclass");
+#define HANDLE_MDNODE_LEAF(CLASS) \
+ case Metadata::CLASS##Kind: \
+ Write##CLASS(cast<CLASS>(N), VE, Stream, Record, CLASS##Abbrev); \
+ continue;
+#include "llvm/IR/Metadata.def"
+ }
}
+ if (const auto *MDC = dyn_cast<ConstantAsMetadata>(MD)) {
+ WriteValueAsMetadata(MDC, VE, Stream, Record);
+ continue;
+ }
+ const MDString *MDS = cast<MDString>(MD);
+ // Code: [strchar x N]
+ Record.append(MDS->bytes_begin(), MDS->bytes_end());
+ // Emit the finished record.
+ Stream.EmitRecord(bitc::METADATA_STRING, Record, MDSAbbrev);
+ Record.clear();
+ }
+
+ // Write named metadata.
+ for (const NamedMDNode &NMD : M->named_metadata()) {
// Write name.
- StringRef Str = NMD->getName();
- for (unsigned i = 0, e = Str.size(); i != e; ++i)
- Record.push_back(Str[i]);
- Stream.EmitRecord(bitc::METADATA_NAME, Record, 0/*TODO*/);
+ StringRef Str = NMD.getName();
+ Record.append(Str.bytes_begin(), Str.bytes_end());
+ Stream.EmitRecord(bitc::METADATA_NAME, Record, NameAbbrev);
Record.clear();
// Write named metadata operands.
- for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
- Record.push_back(VE.getValueID(NMD->getOperand(i)));
+ for (const MDNode *N : NMD.operands())
+ Record.push_back(VE.getMetadataID(N));
Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0);
Record.clear();
}
- if (StartedMetadataBlock)
- Stream.ExitBlock();
+ Stream.ExitBlock();
}
static void WriteFunctionLocalMetadata(const Function &F,
@@ -824,16 +1251,16 @@ static void WriteFunctionLocalMetadata(const Function &F,
BitstreamWriter &Stream) {
bool StartedMetadataBlock = false;
SmallVector<uint64_t, 64> Record;
- 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) {
- if (!StartedMetadataBlock) {
- Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
- StartedMetadataBlock = true;
- }
- WriteMDNode(N, VE, Stream, Record);
- }
+ const SmallVectorImpl<const LocalAsMetadata *> &MDs =
+ VE.getFunctionLocalMDs();
+ for (unsigned i = 0, e = MDs.size(); i != e; ++i) {
+ assert(MDs[i] && "Expected valid function-local metadata");
+ if (!StartedMetadataBlock) {
+ Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
+ StartedMetadataBlock = true;
+ }
+ WriteValueAsMetadata(MDs[i], VE, Stream, Record);
+ }
if (StartedMetadataBlock)
Stream.ExitBlock();
@@ -863,7 +1290,7 @@ static void WriteMetadataAttachment(const Function &F,
for (unsigned i = 0, e = MDs.size(); i != e; ++i) {
Record.push_back(MDs[i].first);
- Record.push_back(VE.getValueID(MDs[i].second));
+ Record.push_back(VE.getMetadataID(MDs[i].second));
}
Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0);
Record.clear();
@@ -966,14 +1393,12 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
// Add the asm string.
const std::string &AsmStr = IA->getAsmString();
Record.push_back(AsmStr.size());
- for (unsigned i = 0, e = AsmStr.size(); i != e; ++i)
- Record.push_back(AsmStr[i]);
+ Record.append(AsmStr.begin(), AsmStr.end());
// Add the constraint string.
const std::string &ConstraintStr = IA->getConstraintString();
Record.push_back(ConstraintStr.size());
- for (unsigned i = 0, e = ConstraintStr.size(); i != e; ++i)
- Record.push_back(ConstraintStr[i]);
+ Record.append(ConstraintStr.begin(), ConstraintStr.end());
Stream.EmitRecord(bitc::CST_CODE_INLINEASM, Record);
Record.clear();
continue;
@@ -1251,19 +1676,21 @@ static void WriteInstruction(const Instruction &I, unsigned InstID,
}
break;
- case Instruction::GetElementPtr:
+ case Instruction::GetElementPtr: {
Code = bitc::FUNC_CODE_INST_GEP;
- if (cast<GEPOperator>(&I)->isInBounds())
- Code = bitc::FUNC_CODE_INST_INBOUNDS_GEP;
+ AbbrevToUse = FUNCTION_INST_GEP_ABBREV;
+ auto &GEPInst = cast<GetElementPtrInst>(I);
+ Vals.push_back(GEPInst.isInBounds());
+ Vals.push_back(VE.getTypeID(GEPInst.getSourceElementType()));
for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i)
PushValueAndType(I.getOperand(i), InstID, Vals, VE);
break;
+ }
case Instruction::ExtractValue: {
Code = bitc::FUNC_CODE_INST_EXTRACTVAL;
PushValueAndType(I.getOperand(0), InstID, Vals, VE);
const ExtractValueInst *EVI = cast<ExtractValueInst>(&I);
- for (const unsigned *i = EVI->idx_begin(), *e = EVI->idx_end(); i != e; ++i)
- Vals.push_back(*i);
+ Vals.append(EVI->idx_begin(), EVI->idx_end());
break;
}
case Instruction::InsertValue: {
@@ -1271,8 +1698,7 @@ static void WriteInstruction(const Instruction &I, unsigned InstID,
PushValueAndType(I.getOperand(0), InstID, Vals, VE);
PushValueAndType(I.getOperand(1), InstID, Vals, VE);
const InsertValueInst *IVI = cast<InsertValueInst>(&I);
- for (const unsigned *i = IVI->idx_begin(), *e = IVI->idx_end(); i != e; ++i)
- Vals.push_back(*i);
+ Vals.append(IVI->idx_begin(), IVI->idx_end());
break;
}
case Instruction::Select:
@@ -1449,6 +1875,7 @@ static void WriteInstruction(const Instruction &I, unsigned InstID,
if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) // ptr
AbbrevToUse = FUNCTION_INST_LOAD_ABBREV;
}
+ Vals.push_back(VE.getTypeID(I.getType()));
Vals.push_back(Log2_32(cast<LoadInst>(I).getAlignment())+1);
Vals.push_back(cast<LoadInst>(I).isVolatile());
if (cast<LoadInst>(I).isAtomic()) {
@@ -1608,9 +2035,7 @@ static void WriteUseList(ValueEnumerator &VE, UseListOrder &&Order,
else
Code = bitc::USELIST_CODE_DEFAULT;
- SmallVector<uint64_t, 64> Record;
- for (unsigned I : Order.Shuffle)
- Record.push_back(I);
+ SmallVector<uint64_t, 64> Record(Order.Shuffle.begin(), Order.Shuffle.end());
Record.push_back(VE.getValueID(Order.V));
Stream.EmitRecord(Code, Record);
}
@@ -1683,11 +2108,12 @@ static void WriteFunction(const Function &F, ValueEnumerator &VE,
} else {
MDNode *Scope, *IA;
DL.getScopeAndInlinedAt(Scope, IA, I->getContext());
+ assert(Scope && "Expected valid scope");
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);
+ Vals.push_back(VE.getMetadataOrNullID(Scope));
+ Vals.push_back(VE.getMetadataOrNullID(IA));
Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals);
Vals.clear();
@@ -1761,7 +2187,7 @@ static void WriteBlockInfo(const ValueEnumerator &VE, BitstreamWriter &Stream) {
BitCodeAbbrev *Abbv = new BitCodeAbbrev();
Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_SETTYPE));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed,
- Log2_32_Ceil(VE.getTypes().size()+1)));
+ VE.computeBitsRequiredForTypeIndicies()));
if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID,
Abbv) != CONSTANTS_SETTYPE_ABBREV)
llvm_unreachable("Unexpected abbrev ordering!");
@@ -1781,7 +2207,7 @@ static void WriteBlockInfo(const ValueEnumerator &VE, BitstreamWriter &Stream) {
Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_CE_CAST));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // cast opc
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // typeid
- Log2_32_Ceil(VE.getTypes().size()+1)));
+ VE.computeBitsRequiredForTypeIndicies()));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // value id
if (Stream.EmitBlockInfoAbbrev(bitc::CONSTANTS_BLOCK_ID,
@@ -1802,6 +2228,8 @@ static void WriteBlockInfo(const ValueEnumerator &VE, BitstreamWriter &Stream) {
BitCodeAbbrev *Abbv = new BitCodeAbbrev();
Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_LOAD));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Ptr
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty
+ VE.computeBitsRequiredForTypeIndicies()));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // Align
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // volatile
if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID,
@@ -1834,7 +2262,7 @@ static void WriteBlockInfo(const ValueEnumerator &VE, BitstreamWriter &Stream) {
Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_CAST));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpVal
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty
- Log2_32_Ceil(VE.getTypes().size()+1)));
+ VE.computeBitsRequiredForTypeIndicies()));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // opc
if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID,
Abbv) != FUNCTION_INST_CAST_ABBREV)
@@ -1863,6 +2291,18 @@ static void WriteBlockInfo(const ValueEnumerator &VE, BitstreamWriter &Stream) {
Abbv) != FUNCTION_INST_UNREACHABLE_ABBREV)
llvm_unreachable("Unexpected abbrev ordering!");
}
+ {
+ BitCodeAbbrev *Abbv = new BitCodeAbbrev();
+ Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_GEP));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty
+ Log2_32_Ceil(VE.getTypes().size() + 1)));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
+ if (Stream.EmitBlockInfoAbbrev(bitc::FUNCTION_BLOCK_ID, Abbv) !=
+ FUNCTION_INST_GEP_ABBREV)
+ llvm_unreachable("Unexpected abbrev ordering!");
+ }
Stream.ExitBlock();
}
generated by cgit v1.1 at 2024-05-18 00:41:10 +0000