//===----------------------------------------------------------------------===//
#include "LTOModule.h"
-#include "llvm/Constants.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCParser/MCAsmParser.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/MC/MCParser/MCAsmParser.h"
-#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Host.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/system_error.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/Triple.h"
+#include "llvm/Target/TargetRegisterInfo.h"
using namespace llvm;
static cl::opt<bool>
cl::desc("Disable frame pointer elimination optimization"),
cl::init(false));
-static cl::opt<bool>
-DisableFPElimNonLeaf("disable-non-leaf-fp-elim",
- cl::desc("Disable frame pointer elimination optimization for non-leaf funcs"),
- cl::init(false));
-
static cl::opt<bool>
EnableUnsafeFPMath("enable-unsafe-fp-math",
cl::desc("Enable optimizations that may decrease FP precision"),
LTOModule::LTOModule(llvm::Module *m, llvm::TargetMachine *t)
: _module(m), _target(t),
- _context(*_target->getMCAsmInfo(), *_target->getRegisterInfo(), NULL),
- _mangler(_context, *_target->getTargetData()) {}
+ _context(_target->getMCAsmInfo(), _target->getRegisterInfo(), NULL),
+ _mangler(_context, t) {}
/// isBitcodeFile - Returns 'true' if the file (or memory contents) is LLVM
/// bitcode.
bool LTOModule::isBitcodeFile(const void *mem, size_t length) {
- return llvm::sys::IdentifyFileType((char*)mem, length)
- == llvm::sys::Bitcode_FileType;
+ return sys::fs::identify_magic(StringRef((const char *)mem, length)) ==
+ sys::fs::file_magic::bitcode;
}
bool LTOModule::isBitcodeFile(const char *path) {
- return llvm::sys::Path(path).isBitcodeFile();
+ sys::fs::file_magic type;
+ if (sys::fs::identify_magic(path, type))
+ return false;
+ return type == sys::fs::file_magic::bitcode;
}
/// isBitcodeFileForTarget - Returns 'true' if the file (or memory contents) is
LTOModule *LTOModule::makeLTOModule(int fd, const char *path,
size_t size, std::string &errMsg) {
- return makeLTOModule(fd, path, size, size, 0, errMsg);
+ return makeLTOModule(fd, path, size, 0, errMsg);
}
LTOModule *LTOModule::makeLTOModule(int fd, const char *path,
- size_t file_size,
size_t map_size,
off_t offset,
std::string &errMsg) {
OwningPtr<MemoryBuffer> buffer;
- if (error_code ec = MemoryBuffer::getOpenFile(fd, path, buffer, file_size,
- map_size, offset, false)) {
+ if (error_code ec =
+ MemoryBuffer::getOpenFileSlice(fd, path, buffer, map_size, offset)) {
errMsg = ec.message();
return NULL;
}
void LTOModule::getTargetOptions(TargetOptions &Options) {
Options.LessPreciseFPMADOption = EnableFPMAD;
Options.NoFramePointerElim = DisableFPElim;
- Options.NoFramePointerElimNonLeaf = DisableFPElimNonLeaf;
Options.AllowFPOpFusion = FuseFPOps;
Options.UnsafeFPMath = EnableUnsafeFPMath;
Options.NoInfsFPMath = EnableNoInfsFPMath;
return NULL;
}
- std::string Triple = m->getTargetTriple();
- if (Triple.empty())
- Triple = sys::getDefaultTargetTriple();
+ std::string TripleStr = m->getTargetTriple();
+ if (TripleStr.empty())
+ TripleStr = sys::getDefaultTargetTriple();
+ llvm::Triple Triple(TripleStr);
// find machine architecture for this module
- const Target *march = TargetRegistry::lookupTarget(Triple, errMsg);
+ const Target *march = TargetRegistry::lookupTarget(TripleStr, errMsg);
if (!march)
return NULL;
// construct LTOModule, hand over ownership of module and target
SubtargetFeatures Features;
- Features.getDefaultSubtargetFeatures(llvm::Triple(Triple));
+ Features.getDefaultSubtargetFeatures(Triple);
std::string FeatureStr = Features.getString();
+ // Set a default CPU for Darwin triples.
std::string CPU;
+ if (Triple.isOSDarwin()) {
+ if (Triple.getArch() == llvm::Triple::x86_64)
+ CPU = "core2";
+ else if (Triple.getArch() == llvm::Triple::x86)
+ CPU = "yonah";
+ }
TargetOptions Options;
getTargetOptions(Options);
- TargetMachine *target = march->createTargetMachine(Triple, CPU, FeatureStr,
+ TargetMachine *target = march->createTargetMachine(TripleStr, CPU, FeatureStr,
Options);
LTOModule *Ret = new LTOModule(m.take(), target);
if (Ret->parseSymbols(errMsg)) {
/// makeBuffer - Create a MemoryBuffer from a memory range.
MemoryBuffer *LTOModule::makeBuffer(const void *mem, size_t length) {
- const char *startPtr = (char*)mem;
+ const char *startPtr = (const char*)mem;
return MemoryBuffer::getMemBuffer(StringRef(startPtr, length), "", false);
}
/// objcClassNameFromExpression - Get string that the data pointer points to.
-bool LTOModule::objcClassNameFromExpression(Constant *c, std::string &name) {
- if (ConstantExpr *ce = dyn_cast<ConstantExpr>(c)) {
+bool
+LTOModule::objcClassNameFromExpression(const Constant *c, std::string &name) {
+ if (const ConstantExpr *ce = dyn_cast<ConstantExpr>(c)) {
Constant *op = ce->getOperand(0);
if (GlobalVariable *gvn = dyn_cast<GlobalVariable>(op)) {
Constant *cn = gvn->getInitializer();
}
/// addObjCClass - Parse i386/ppc ObjC class data structure.
-void LTOModule::addObjCClass(GlobalVariable *clgv) {
- ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
+void LTOModule::addObjCClass(const GlobalVariable *clgv) {
+ const ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
if (!c) return;
// second slot in __OBJC,__class is pointer to superclass name
}
/// addObjCCategory - Parse i386/ppc ObjC category data structure.
-void LTOModule::addObjCCategory(GlobalVariable *clgv) {
- ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
+void LTOModule::addObjCCategory(const GlobalVariable *clgv) {
+ const ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
if (!c) return;
// second slot in __OBJC,__category is pointer to target class name
}
/// addObjCClassRef - Parse i386/ppc ObjC class list data structure.
-void LTOModule::addObjCClassRef(GlobalVariable *clgv) {
+void LTOModule::addObjCClassRef(const GlobalVariable *clgv) {
std::string targetclassName;
if (!objcClassNameFromExpression(clgv->getInitializer(), targetclassName))
return;
}
/// addDefinedDataSymbol - Add a data symbol as defined to the list.
-void LTOModule::addDefinedDataSymbol(GlobalValue *v) {
+void LTOModule::addDefinedDataSymbol(const GlobalValue *v) {
// Add to list of defined symbols.
addDefinedSymbol(v, false);
// special case if this data blob is an ObjC class definition
if (v->getSection().compare(0, 15, "__OBJC,__class,") == 0) {
- if (GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
+ 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) {
- if (GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
+ 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) {
- if (GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
+ if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
addObjCClassRef(gv);
}
}
}
/// addDefinedFunctionSymbol - Add a function symbol as defined to the list.
-void LTOModule::addDefinedFunctionSymbol(Function *f) {
+void LTOModule::addDefinedFunctionSymbol(const Function *f) {
// add to list of defined symbols
addDefinedSymbol(f, true);
}
/// addDefinedSymbol - Add a defined symbol to the list.
-void LTOModule::addDefinedSymbol(GlobalValue *def, bool isFunction) {
+void LTOModule::addDefinedSymbol(const GlobalValue *def, bool isFunction) {
// ignore all llvm.* symbols
if (def->getName().startswith("llvm."))
return;
// set alignment part log2() can have rounding errors
uint32_t align = def->getAlignment();
- uint32_t attr = align ? CountTrailingZeros_32(def->getAlignment()) : 0;
+ uint32_t attr = align ? countTrailingZeros(def->getAlignment()) : 0;
// set permissions part
if (isFunction) {
attr |= LTO_SYMBOL_PERMISSIONS_CODE;
} else {
- GlobalVariable *gv = dyn_cast<GlobalVariable>(def);
+ const GlobalVariable *gv = dyn_cast<GlobalVariable>(def);
if (gv && gv->isConstant())
attr |= LTO_SYMBOL_PERMISSIONS_RODATA;
else
/// addPotentialUndefinedSymbol - Add a symbol which isn't defined just yet to a
/// list to be resolved later.
-void LTOModule::addPotentialUndefinedSymbol(GlobalValue *decl, bool isFunc) {
+void
+LTOModule::addPotentialUndefinedSymbol(const GlobalValue *decl, bool isFunc) {
// ignore all llvm.* symbols
if (decl->getName().startswith("llvm."))
return;
return Symbols.end();
}
- RecordStreamer(MCContext &Context) : MCStreamer(Context) {}
+ RecordStreamer(MCContext &Context)
+ : MCStreamer(SK_RecordStreamer, Context) {}
virtual void EmitInstruction(const MCInst &Inst) {
// Scan for values.
AddValueSymbols(Inst.getOperand(i).getExpr());
}
virtual void EmitLabel(MCSymbol *Symbol) {
- Symbol->setSection(*getCurrentSection());
+ Symbol->setSection(*getCurrentSection().first);
markDefined(*Symbol);
}
+ virtual void EmitDebugLabel(MCSymbol *Symbol) {
+ EmitLabel(Symbol);
+ }
virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
// FIXME: should we handle aliases?
markDefined(*Symbol);
markDefined(*Symbol);
}
+ virtual void EmitBundleAlignMode(unsigned AlignPow2) {}
+ virtual void EmitBundleLock(bool AlignToEnd) {}
+ virtual void EmitBundleUnlock() {}
+
// Noop calls.
- virtual void ChangeSection(const MCSection *Section) {}
+ virtual void ChangeSection(const MCSection *Section,
+ const MCExpr *Subsection) {}
+ virtual void InitToTextSection() {}
virtual void InitSections() {}
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag) {}
virtual void EmitThumbFunc(MCSymbol *Func) {}
unsigned ByteAlignment) {}
virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment) {}
- virtual void EmitBytes(StringRef Data, unsigned AddrSpace) {}
- virtual void EmitValueImpl(const MCExpr *Value, unsigned Size,
- unsigned AddrSpace) {}
+ virtual void EmitBytes(StringRef Data) {}
+ virtual void EmitValueImpl(const MCExpr *Value, unsigned Size) {}
virtual void EmitULEB128Value(const MCExpr *Value) {}
virtual void EmitSLEB128Value(const MCExpr *Value) {}
virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value,
const MCSymbol *Label,
unsigned PointerSize) {}
virtual void FinishImpl() {}
+
+ static bool classof(const MCStreamer *S) {
+ return S->getKind() == SK_RecordStreamer;
+ }
};
} // end anonymous namespace
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