#include "llvm/DerivedTypes.h"
#include "llvm/InlineAsm.h"
#include "llvm/Instructions.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Metadata.h"
#include "llvm/Module.h"
#include "llvm/Operator.h"
#include "llvm/TypeSymbolTable.h"
const ValueEnumerator &VE,
BitstreamWriter &Stream,
SmallVector<uint64_t, 64> &Record) {
- for (unsigned i = 0, e = N->getNumElements(); i != e; ++i) {
- if (N->getElement(i)) {
- Record.push_back(VE.getTypeID(N->getElement(i)->getType()));
- Record.push_back(VE.getValueID(N->getElement(i)));
+ 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);
}
}
- Stream.EmitRecord(bitc::METADATA_NODE, Record, 0);
+ unsigned MDCode = N->isFunctionLocal() ? bitc::METADATA_FN_NODE :
+ bitc::METADATA_NODE;
+ Stream.EmitRecord(MDCode, Record, 0);
Record.clear();
}
}
// Write name.
- std::string Str = NMD->getNameStr();
- const char *StrBegin = Str.c_str();
- for (unsigned i = 0, e = Str.length(); i != e; ++i)
- Record.push_back(StrBegin[i]);
+ 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*/);
Record.clear();
- // Write named metadata elements.
- for (unsigned i = 0, e = NMD->getNumElements(); i != e; ++i) {
- if (NMD->getElement(i))
- Record.push_back(VE.getValueID(NMD->getElement(i)));
+ // Write named metadata operands.
+ for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
+ if (NMD->getOperand(i))
+ Record.push_back(VE.getValueID(NMD->getOperand(i)));
else
- Record.push_back(0);
+ Record.push_back(~0U);
}
Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0);
Record.clear();
// Write metadata attachments
// METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]]
- MetadataContext &TheMetadata = F.getContext().getMetadata();
- typedef SmallVector<std::pair<unsigned, TrackingVH<MDNode> >, 2> MDMapTy;
- MDMapTy MDs;
+ 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();
- TheMetadata.getMDs(I, MDs);
- bool RecordedInstruction = false;
- for (MDMapTy::const_iterator PI = MDs.begin(), PE = MDs.end();
- PI != PE; ++PI) {
- if (RecordedInstruction == false) {
- Record.push_back(VE.getInstructionID(I));
- RecordedInstruction = true;
- }
- Record.push_back(PI->first);
- Record.push_back(VE.getValueID(PI->second));
+ I->getAllMetadata(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));
}
- if (!Record.empty()) {
- if (!StartedMetadataBlock) {
- Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3);
- StartedMetadataBlock = true;
- }
- Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0);
- Record.clear();
+ if (!StartedMetadataBlock) {
+ Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3);
+ StartedMetadataBlock = true;
}
+ Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0);
+ Record.clear();
}
if (StartedMetadataBlock)
Stream.ExitBlock();
}
-static void WriteModuleMetadataStore(const Module *M,
- const ValueEnumerator &VE,
- BitstreamWriter &Stream) {
-
- bool StartedMetadataBlock = false;
+static void WriteModuleMetadataStore(const Module *M, BitstreamWriter &Stream) {
SmallVector<uint64_t, 64> Record;
// Write metadata kinds
// METADATA_KIND - [n x [id, name]]
- MetadataContext &TheMetadata = M->getContext().getMetadata();
- SmallVector<std::pair<unsigned, StringRef>, 4> Names;
- TheMetadata.getHandlerNames(Names);
- for (SmallVector<std::pair<unsigned, StringRef>, 4>::iterator
- I = Names.begin(),
- E = Names.end(); I != E; ++I) {
- Record.push_back(I->first);
- StringRef KName = I->second;
- for (unsigned i = 0, e = KName.size(); i != e; ++i)
- Record.push_back(KName[i]);
- if (!StartedMetadataBlock) {
- Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
- StartedMetadataBlock = true;
- }
+ SmallVector<StringRef, 4> Names;
+ M->getMDKindNames(Names);
+
+ assert(Names[0] == "" && "MDKind #0 is invalid");
+ if (Names.size() == 1) return;
+
+ Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
+
+ for (unsigned MDKindID = 1, 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();
}
- if (StartedMetadataBlock)
- Stream.ExitBlock();
+ Stream.ExitBlock();
}
static void WriteConstants(unsigned FirstVal, unsigned LastVal,
Record.clear();
continue;
}
+
+ // Ignore all values in ValueList except for Constants.
+ if (V && (isa<Instruction>(V) || isa<Argument>(V)))
+ continue;
+
const Constant *C = cast<Constant>(V);
unsigned Code = -1U;
unsigned AbbrevToUse = 0;
for (BasicBlock::const_iterator I = BB->begin(), E = BB->end();
I != E; ++I) {
WriteInstruction(*I, InstID, VE, Stream, Vals);
- if (I->getType() != Type::getVoidTy(F.getContext()))
+ if (!I->getType()->isVoidTy())
++InstID;
}
WriteFunction(*I, VE, Stream);
// Emit metadata.
- WriteModuleMetadataStore(M, VE, Stream);
+ WriteModuleMetadataStore(M, Stream);
// Emit the type symbol table information.
WriteTypeSymbolTable(M->getTypeSymbolTable(), VE, Stream);
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