#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
#include "llvm/MC/MCSection.h"
-#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCTargetAsmParser.h"
#include "llvm/MC/SubtargetFeature.h"
+#include "llvm/Object/RecordStreamer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/system_error.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Transforms/Utils/GlobalStatus.h"
+#include <system_error>
using namespace llvm;
-LTOModule::LTOModule(llvm::Module *m, llvm::TargetMachine *t)
- : _module(m), _target(t),
- _context(_target->getMCAsmInfo(), _target->getRegisterInfo(), &ObjFileInfo),
- _mangler(t->getDataLayout()) {
- ObjFileInfo.InitMCObjectFileInfo(t->getTargetTriple(),
- t->getRelocationModel(), t->getCodeModel(),
+LTOModule::LTOModule(std::unique_ptr<Module> M, TargetMachine *TM)
+ : _module(std::move(M)), _target(TM),
+ _context(_target->getMCAsmInfo(), _target->getRegisterInfo(),
+ &ObjFileInfo),
+ _mangler(TM->getDataLayout()) {
+ ObjFileInfo.InitMCObjectFileInfo(TM->getTargetTriple(),
+ TM->getRelocationModel(), TM->getCodeModel(),
_context);
}
MemoryBuffer *buffer = makeBuffer(mem, length);
if (!buffer)
return false;
- return isTargetMatch(buffer, triplePrefix);
+ return isTargetMatch(StringRef((const char *)mem, length), triplePrefix);
}
bool LTOModule::isBitcodeFileForTarget(const char *path,
std::unique_ptr<MemoryBuffer> buffer;
if (MemoryBuffer::getFile(path, buffer))
return false;
- return isTargetMatch(buffer.release(), triplePrefix);
+ return isTargetMatch(buffer->getBuffer(), triplePrefix);
}
-/// isTargetMatch - Returns 'true' if the memory buffer is for the specified
-/// target triple.
-bool LTOModule::isTargetMatch(MemoryBuffer *buffer, const char *triplePrefix) {
- std::string Triple = getBitcodeTargetTriple(buffer, getGlobalContext());
- delete buffer;
- return strncmp(Triple.c_str(), triplePrefix, strlen(triplePrefix)) == 0;
+/// Returns 'true' if the bitcode BC is for the specified target triple.
+bool LTOModule::isTargetMatch(StringRef BC, const char *TriplePrefix) {
+ std::unique_ptr<MemoryBuffer> Buffer(
+ MemoryBuffer::getMemBuffer(BC, "", false));
+ std::string Triple = getBitcodeTargetTriple(Buffer.get(), getGlobalContext());
+ return strncmp(Triple.c_str(), TriplePrefix, strlen(TriplePrefix)) == 0;
}
-/// makeLTOModule - Create an LTOModule. N.B. These methods take ownership of
-/// the buffer.
-LTOModule *LTOModule::makeLTOModule(const char *path, TargetOptions options,
- std::string &errMsg) {
+LTOModule *LTOModule::createFromFile(const char *path, TargetOptions options,
+ std::string &errMsg) {
std::unique_ptr<MemoryBuffer> buffer;
- if (error_code ec = MemoryBuffer::getFile(path, buffer)) {
+ if (std::error_code ec = MemoryBuffer::getFile(path, buffer)) {
errMsg = ec.message();
return nullptr;
}
- return makeLTOModule(buffer.release(), options, errMsg);
+ return makeLTOModule(std::move(buffer), options, errMsg);
}
-LTOModule *LTOModule::makeLTOModule(int fd, const char *path,
- size_t size, TargetOptions options,
- std::string &errMsg) {
- return makeLTOModule(fd, path, size, 0, options, errMsg);
+LTOModule *LTOModule::createFromOpenFile(int fd, const char *path, size_t size,
+ TargetOptions options,
+ std::string &errMsg) {
+ return createFromOpenFileSlice(fd, path, size, 0, options, errMsg);
}
-LTOModule *LTOModule::makeLTOModule(int fd, const char *path,
- size_t map_size,
- off_t offset,
- TargetOptions options,
- std::string &errMsg) {
+LTOModule *LTOModule::createFromOpenFileSlice(int fd, const char *path,
+ size_t map_size, off_t offset,
+ TargetOptions options,
+ std::string &errMsg) {
std::unique_ptr<MemoryBuffer> buffer;
- if (error_code ec =
+ if (std::error_code ec =
MemoryBuffer::getOpenFileSlice(fd, path, buffer, map_size, offset)) {
errMsg = ec.message();
return nullptr;
}
- return makeLTOModule(buffer.release(), options, errMsg);
+ return makeLTOModule(std::move(buffer), options, errMsg);
}
-LTOModule *LTOModule::makeLTOModule(const void *mem, size_t length,
- TargetOptions options,
- std::string &errMsg, StringRef path) {
+LTOModule *LTOModule::createFromBuffer(const void *mem, size_t length,
+ TargetOptions options,
+ std::string &errMsg, StringRef path) {
std::unique_ptr<MemoryBuffer> buffer(makeBuffer(mem, length, path));
if (!buffer)
return nullptr;
- return makeLTOModule(buffer.release(), options, errMsg);
+ return makeLTOModule(std::move(buffer), options, errMsg);
}
-LTOModule *LTOModule::makeLTOModule(MemoryBuffer *buffer,
+LTOModule *LTOModule::makeLTOModule(std::unique_ptr<MemoryBuffer> Buffer,
TargetOptions options,
std::string &errMsg) {
// parse bitcode buffer
ErrorOr<Module *> ModuleOrErr =
- getLazyBitcodeModule(buffer, getGlobalContext());
- if (error_code EC = ModuleOrErr.getError()) {
+ getLazyBitcodeModule(Buffer.get(), getGlobalContext());
+ if (std::error_code EC = ModuleOrErr.getError()) {
errMsg = EC.message();
- delete buffer;
return nullptr;
}
+ Buffer.release();
std::unique_ptr<Module> m(ModuleOrErr.get());
std::string TripleStr = m->getTargetTriple();
CPU = "core2";
else if (Triple.getArch() == llvm::Triple::x86)
CPU = "yonah";
- else if (Triple.getArch() == llvm::Triple::arm64)
+ else if (Triple.getArch() == llvm::Triple::arm64 ||
+ Triple.getArch() == llvm::Triple::aarch64)
CPU = "cyclone";
}
options);
m->materializeAllPermanently();
- LTOModule *Ret = new LTOModule(m.release(), target);
+ LTOModule *Ret = new LTOModule(std::move(m), target);
// We need a MCContext set up in order to get mangled names of private
// symbols. It is a bit odd that we need to report uses and definitions
// from the ObjC data structures generated by the front end.
// special case if this data blob is an ObjC class definition
- if (v->getSection().compare(0, 15, "__OBJC,__class,") == 0) {
+ std::string Section = v->getSection();
+ if (Section.compare(0, 15, "__OBJC,__class,") == 0) {
if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
addObjCClass(gv);
}
}
// special case if this data blob is an ObjC category definition
- else if (v->getSection().compare(0, 18, "__OBJC,__category,") == 0) {
+ else if (Section.compare(0, 18, "__OBJC,__category,") == 0) {
if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
addObjCCategory(gv);
}
}
// special case if this data blob is the list of referenced classes
- else if (v->getSection().compare(0, 18, "__OBJC,__cls_refs,") == 0) {
+ else if (Section.compare(0, 18, "__OBJC,__cls_refs,") == 0) {
if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
addObjCClassRef(gv);
}
entry.setValue(info);
}
-namespace {
-
- class RecordStreamer : public MCStreamer {
- public:
- enum State { NeverSeen, Global, Defined, DefinedGlobal, Used };
-
- private:
- StringMap<State> Symbols;
-
- void markDefined(const MCSymbol &Symbol) {
- State &S = Symbols[Symbol.getName()];
- switch (S) {
- case DefinedGlobal:
- case Global:
- S = DefinedGlobal;
- break;
- case NeverSeen:
- case Defined:
- case Used:
- S = Defined;
- break;
- }
- }
- void markGlobal(const MCSymbol &Symbol) {
- State &S = Symbols[Symbol.getName()];
- switch (S) {
- case DefinedGlobal:
- case Defined:
- S = DefinedGlobal;
- break;
-
- case NeverSeen:
- case Global:
- case Used:
- S = Global;
- break;
- }
- }
- void markUsed(const MCSymbol &Symbol) {
- State &S = Symbols[Symbol.getName()];
- switch (S) {
- case DefinedGlobal:
- case Defined:
- case Global:
- break;
-
- case NeverSeen:
- case Used:
- S = Used;
- break;
- }
- }
-
- // FIXME: mostly copied for the obj streamer.
- void AddValueSymbols(const MCExpr *Value) {
- switch (Value->getKind()) {
- case MCExpr::Target:
- // FIXME: What should we do in here?
- break;
-
- case MCExpr::Constant:
- break;
-
- case MCExpr::Binary: {
- const MCBinaryExpr *BE = cast<MCBinaryExpr>(Value);
- AddValueSymbols(BE->getLHS());
- AddValueSymbols(BE->getRHS());
- break;
- }
-
- case MCExpr::SymbolRef:
- markUsed(cast<MCSymbolRefExpr>(Value)->getSymbol());
- break;
-
- case MCExpr::Unary:
- AddValueSymbols(cast<MCUnaryExpr>(Value)->getSubExpr());
- break;
- }
- }
-
- public:
- typedef StringMap<State>::const_iterator const_iterator;
-
- const_iterator begin() {
- return Symbols.begin();
- }
-
- const_iterator end() {
- return Symbols.end();
- }
-
- RecordStreamer(MCContext &Context) : MCStreamer(Context) {}
-
- void EmitInstruction(const MCInst &Inst,
- const MCSubtargetInfo &STI) override {
- // Scan for values.
- for (unsigned i = Inst.getNumOperands(); i--; )
- if (Inst.getOperand(i).isExpr())
- AddValueSymbols(Inst.getOperand(i).getExpr());
- }
- void EmitLabel(MCSymbol *Symbol) override {
- Symbol->setSection(*getCurrentSection().first);
- markDefined(*Symbol);
- }
- void EmitDebugLabel(MCSymbol *Symbol) override {
- EmitLabel(Symbol);
- }
- void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) override {
- // FIXME: should we handle aliases?
- markDefined(*Symbol);
- AddValueSymbols(Value);
- }
- bool EmitSymbolAttribute(MCSymbol *Symbol,
- MCSymbolAttr Attribute) override {
- if (Attribute == MCSA_Global)
- markGlobal(*Symbol);
- return true;
- }
- void EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
- uint64_t Size , unsigned ByteAlignment) override {
- markDefined(*Symbol);
- }
- void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
- unsigned ByteAlignment) override {
- markDefined(*Symbol);
- }
-
- void EmitBundleAlignMode(unsigned AlignPow2) override {}
- void EmitBundleLock(bool AlignToEnd) override {}
- void EmitBundleUnlock() override {}
-
- // Noop calls.
- void ChangeSection(const MCSection *Section,
- const MCExpr *Subsection) override {}
- void EmitAssemblerFlag(MCAssemblerFlag Flag) override {}
- void EmitThumbFunc(MCSymbol *Func) override {}
- void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override {}
- void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override {}
- void BeginCOFFSymbolDef(const MCSymbol *Symbol) override {}
- void EmitCOFFSymbolStorageClass(int StorageClass) override {}
- void EmitCOFFSymbolType(int Type) override {}
- void EndCOFFSymbolDef() override {}
- void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) override {}
- void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
- unsigned ByteAlignment) override {}
- void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
- uint64_t Size, unsigned ByteAlignment) override {}
- void EmitBytes(StringRef Data) override {}
- void EmitValueImpl(const MCExpr *Value, unsigned Size,
- const SMLoc &Loc) override {}
- void EmitULEB128Value(const MCExpr *Value) override {}
- void EmitSLEB128Value(const MCExpr *Value) override {}
- void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value,
- unsigned ValueSize,
- unsigned MaxBytesToEmit) override {}
- void EmitCodeAlignment(unsigned ByteAlignment,
- unsigned MaxBytesToEmit) override {}
- bool EmitValueToOffset(const MCExpr *Offset,
- unsigned char Value) override { return false; }
- void EmitFileDirective(StringRef Filename) override {}
- void FinishImpl() override {}
- void EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) override {
- RecordProcEnd(Frame);
- }
- };
-} // end anonymous namespace
-
/// addAsmGlobalSymbols - Add global symbols from module-level ASM to the
/// defined or undefined lists.
bool LTOModule::addAsmGlobalSymbols(std::string &errMsg) {
if (Parser->Run(false))
return true;
- for (RecordStreamer::const_iterator i = Streamer->begin(),
- e = Streamer->end(); i != e; ++i) {
- StringRef Key = i->first();
- RecordStreamer::State Value = i->second;
+ for (auto &KV : *Streamer) {
+ StringRef Key = KV.first();
+ RecordStreamer::State Value = KV.second;
if (Value == RecordStreamer::DefinedGlobal)
addAsmGlobalSymbol(Key.data(), LTO_SYMBOL_SCOPE_DEFAULT);
else if (Value == RecordStreamer::Defined)
projects / oota-llvm.git / blobdiff