//
// This file declares the LTOCodeGenerator class.
//
-// LTO compilation consists of three phases: Pre-IPO, IPO and Post-IPO.
+// LTO compilation consists of three phases: Pre-IPO, IPO and Post-IPO.
//
// The Pre-IPO phase compiles source code into bitcode file. The resulting
// bitcode files, along with object files and libraries, will be fed to the
// The IPO phase perform inter-procedural analyses and optimizations, and
// the Post-IPO consists two sub-phases: intra-procedural scalar optimizations
// (SOPT), and intra-procedural target-dependent code generator (CG).
-//
+//
// As of this writing, we don't separate IPO and the Post-IPO SOPT. They
// are intermingled together, and are driven by a single pass manager (see
// PassManagerBuilder::populateLTOPassManager()).
-//
-// The "LTOCodeGenerator" is the driver for the IPO and Post-IPO stages.
+//
+// The "LTOCodeGenerator" is the driver for the IPO and Post-IPO stages.
// The "CodeGenerator" here is bit confusing. Don't confuse the "CodeGenerator"
// with the machine specific code generator.
//
//===----------------------------------------------------------------------===//
-#ifndef LTO_CODE_GENERATOR_H
-#define LTO_CODE_GENERATOR_H
+#ifndef LLVM_LTO_LTOCODEGENERATOR_H
+#define LLVM_LTO_LTOCODEGENERATOR_H
#include "llvm-c/lto.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/StringMap.h"
-#include "llvm/Linker.h"
+#include "llvm/Linker/Linker.h"
#include "llvm/Target/TargetOptions.h"
#include <string>
#include <vector>
namespace llvm {
class LLVMContext;
+ class DiagnosticInfo;
class GlobalValue;
class Mangler;
class MemoryBuffer;
class TargetLibraryInfo;
class TargetMachine;
class raw_ostream;
-}
//===----------------------------------------------------------------------===//
-/// LTOCodeGenerator - C++ class which implements the opaque lto_code_gen_t
-/// type.
+/// C++ class which implements the opaque lto_code_gen_t type.
///
struct LTOCodeGenerator {
static const char *getVersionString();
~LTOCodeGenerator();
// Merge given module, return true on success.
- bool addModule(struct LTOModule*, std::string &errMsg);
+ bool addModule(struct LTOModule *);
- void setTargetOptions(llvm::TargetOptions options);
+ void setTargetOptions(TargetOptions options);
void setDebugInfo(lto_debug_model);
void setCodePICModel(lto_codegen_model);
void setCpu(const char *mCpu) { MCpu = mCpu; }
+ void setAttr(const char *mAttr) { MAttr = mAttr; }
void addMustPreserveSymbol(const char *sym) { MustPreserveSymbols[sym] = 1; }
// not necessarily for debugging purpose (The function name is misleading).
// This function should be called before LTOCodeGenerator::compilexxx(),
// and LTOCodeGenerator::writeMergedModules().
- //
void setCodeGenDebugOptions(const char *opts);
-
+
// Parse the options set in setCodeGenDebugOptions. Like
// setCodeGenDebugOptions, this must be called before
// LTOCodeGenerator::compilexxx() and LTOCodeGenerator::writeMergedModules()
// NOTE that it is up to the linker to remove the intermediate object file.
// Do not try to remove the object file in LTOCodeGenerator's destructor
// as we don't who (LTOCodeGenerator or the obj file) will last longer.
- //
bool compile_to_file(const char **name,
bool disableOpt,
bool disableInline,
bool disableGVNLoadPRE,
+ bool disableVectorization,
std::string &errMsg);
// As with compile_to_file(), this function compiles the merged module into
// single object file. Instead of returning the object-file-path to the caller
// (linker), it brings the object to a buffer, and return the buffer to the
// caller. This function should delete intermediate object file once its content
- // is brought to memory. Return NULL if the compilation was not successful.
- //
+ // is brought to memory. Return NULL if the compilation was not successful.
const void *compile(size_t *length,
bool disableOpt,
bool disableInline,
bool disableGVNLoadPRE,
+ bool disableVectorization,
std::string &errMsg);
+ void setDiagnosticHandler(lto_diagnostic_handler_t, void *);
+
private:
void initializeLTOPasses();
- bool generateObjectFile(llvm::raw_ostream &out,
- bool disableOpt,
- bool disableInline,
- bool disableGVNLoadPRE,
+ bool generateObjectFile(raw_ostream &out, bool disableOpt, bool disableInline,
+ bool disableGVNLoadPRE, bool disableVectorization,
std::string &errMsg);
void applyScopeRestrictions();
- void applyRestriction(llvm::GlobalValue &GV,
- const llvm::ArrayRef<llvm::StringRef> &Libcalls,
- std::vector<const char*> &MustPreserveList,
- llvm::SmallPtrSet<llvm::GlobalValue*, 8> &AsmUsed,
- llvm::Mangler &Mangler);
+ void applyRestriction(GlobalValue &GV, ArrayRef<StringRef> Libcalls,
+ std::vector<const char *> &MustPreserveList,
+ SmallPtrSetImpl<GlobalValue *> &AsmUsed,
+ Mangler &Mangler);
bool determineTarget(std::string &errMsg);
- typedef llvm::StringMap<uint8_t> StringSet;
+ static void DiagnosticHandler(const DiagnosticInfo &DI, void *Context);
+
+ void DiagnosticHandler2(const DiagnosticInfo &DI);
+
+ typedef StringMap<uint8_t> StringSet;
- llvm::LLVMContext &Context;
- llvm::Linker Linker;
- llvm::TargetMachine *TargetMach;
+ LLVMContext &Context;
+ Linker IRLinker;
+ TargetMachine *TargetMach;
bool EmitDwarfDebugInfo;
bool ScopeRestrictionsDone;
lto_codegen_model CodeModel;
StringSet MustPreserveSymbols;
StringSet AsmUndefinedRefs;
- llvm::MemoryBuffer *NativeObjectFile;
+ std::unique_ptr<MemoryBuffer> NativeObjectFile;
std::vector<char *> CodegenOptions;
std::string MCpu;
+ std::string MAttr;
std::string NativeObjectPath;
- llvm::TargetOptions Options;
+ TargetOptions Options;
+ lto_diagnostic_handler_t DiagHandler;
+ void *DiagContext;
};
-
-#endif // LTO_CODE_GENERATOR_H
+}
+#endif
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