LTOCodeGenerator(std::unique_ptr<LLVMContext> Context);
~LTOCodeGenerator();
- // Merge given module, return true on success.
+ /// Merge given module. Return true on success.
bool addModule(struct LTOModule *);
- // Set the destination module.
+ /// Set the destination module.
void setModule(std::unique_ptr<LTOModule> M);
- void setTargetOptions(TargetOptions options);
+ void setTargetOptions(TargetOptions Options);
void setDebugInfo(lto_debug_model);
- void setCodePICModel(Reloc::Model model) { RelocModel = model; }
+ void setCodePICModel(Reloc::Model Model) { RelocModel = Model; }
- void setCpu(const char *mCpu) { MCpu = mCpu; }
- void setAttr(const char *mAttr) { MAttr = mAttr; }
- void setOptLevel(unsigned optLevel);
+ void setCpu(const char *MCpu) { this->MCpu = MCpu; }
+ void setAttr(const char *MAttr) { this->MAttr = MAttr; }
+ void setOptLevel(unsigned OptLevel);
void setShouldInternalize(bool Value) { ShouldInternalize = Value; }
void setShouldEmbedUselists(bool Value) { ShouldEmbedUselists = Value; }
- void addMustPreserveSymbol(StringRef sym) { MustPreserveSymbols[sym] = 1; }
-
- // To pass options to the driver and optimization passes. These options are
- // 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()
+ void addMustPreserveSymbol(StringRef Sym) { MustPreserveSymbols[Sym] = 1; }
+
+ /// Pass options to the driver and optimization passes.
+ ///
+ /// These options are 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 \a setCodeGenDebugOptions(), this must be called before
+ /// LTOCodeGenerator::compilexxx() and
+ /// LTOCodeGenerator::writeMergedModules().
void parseCodeGenDebugOptions();
- // Write the merged module to the file specified by the given path.
- // Return true on success.
- bool writeMergedModules(const char *path, std::string &errMsg);
-
- // Compile the merged module into a *single* object file; the path to object
- // file is returned to the caller via argument "name". Return true on
- // success.
- //
- // 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 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.
- std::unique_ptr<MemoryBuffer> compile(bool disableInline,
- bool disableGVNLoadPRE,
- bool disableVectorization,
+ /// Write the merged module to the file specified by the given path. Return
+ /// true on success.
+ bool writeMergedModules(const char *Path, std::string &ErrMsg);
+
+ /// Compile the merged module into a *single* object file; the path to object
+ /// file is returned to the caller via argument "name". Return true on
+ /// success.
+ ///
+ /// \note 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 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.
+ std::unique_ptr<MemoryBuffer> compile(bool DisableInline,
+ bool DisableGVNLoadPRE,
+ bool DisableVectorization,
std::string &errMsg);
- // Optimizes the merged module. Returns true on success.
- bool optimize(bool disableInline,
- bool disableGVNLoadPRE,
- bool disableVectorization,
- std::string &errMsg);
+ /// Optimizes the merged module. Returns true on success.
+ bool optimize(bool DisableInline, bool DisableGVNLoadPRE,
+ bool DisableVectorization, std::string &ErrMsg);
- // Compiles the merged optimized module into a single object file. It brings
- // the object to a buffer, and returns the buffer to the caller. Return NULL
- // if the compilation was not successful.
- std::unique_ptr<MemoryBuffer> compileOptimized(std::string &errMsg);
+ /// Compiles the merged optimized module into a single object file. It brings
+ /// the object to a buffer, and returns the buffer to the caller. Return NULL
+ /// if the compilation was not successful.
+ std::unique_ptr<MemoryBuffer> compileOptimized(std::string &ErrMsg);
- // Compile the merged optimized module into out.size() object files each
- // representing a linkable partition of the module. If out contains more than
- // one element, code generation is done in parallel with out.size() threads.
- // Object files will be written to members of out. Returns true on success.
- bool compileOptimized(ArrayRef<raw_pwrite_stream *> out, std::string &errMsg);
+ /// Compile the merged optimized module into out.size() object files each
+ /// representing a linkable partition of the module. If out contains more
+ /// than one element, code generation is done in parallel with out.size()
+ /// threads. Object files will be written to members of out. Returns true on
+ /// success.
+ bool compileOptimized(ArrayRef<raw_pwrite_stream *> Out, std::string &ErrMsg);
void setDiagnosticHandler(lto_diagnostic_handler_t, void *);
private:
void initializeLTOPasses();
- bool compileOptimizedToFile(const char **name, std::string &errMsg);
+ bool compileOptimizedToFile(const char **Name, std::string &ErrMsg);
void applyScopeRestrictions();
void applyRestriction(GlobalValue &GV, ArrayRef<StringRef> Libcalls,
std::vector<const char *> &MustPreserveList,
SmallPtrSetImpl<GlobalValue *> &AsmUsed,
Mangler &Mangler);
- bool determineTarget(std::string &errMsg);
+ bool determineTarget(std::string &ErrMsg);
static void DiagnosticHandler(const DiagnosticInfo &DI, void *Context);
initializeCFGSimplifyPassPass(R);
}
-bool LTOCodeGenerator::addModule(LTOModule *mod) {
- assert(&mod->getModule().getContext() == &Context &&
+bool LTOCodeGenerator::addModule(LTOModule *Mod) {
+ assert(&Mod->getModule().getContext() == &Context &&
"Expected module in same context");
- bool ret = IRLinker.linkInModule(&mod->getModule());
+ bool ret = IRLinker.linkInModule(&Mod->getModule());
- const std::vector<const char*> &undefs = mod->getAsmUndefinedRefs();
+ const std::vector<const char *> &undefs = Mod->getAsmUndefinedRefs();
for (int i = 0, e = undefs.size(); i != e; ++i)
AsmUndefinedRefs[undefs[i]] = 1;
AsmUndefinedRefs[Undefs[I]] = 1;
}
-void LTOCodeGenerator::setTargetOptions(TargetOptions options) {
- Options = options;
+void LTOCodeGenerator::setTargetOptions(TargetOptions Options) {
+ this->Options = Options;
}
-void LTOCodeGenerator::setDebugInfo(lto_debug_model debug) {
- switch (debug) {
+void LTOCodeGenerator::setDebugInfo(lto_debug_model Debug) {
+ switch (Debug) {
case LTO_DEBUG_MODEL_NONE:
EmitDwarfDebugInfo = false;
return;
llvm_unreachable("Unknown debug format!");
}
-void LTOCodeGenerator::setOptLevel(unsigned level) {
- OptLevel = level;
+void LTOCodeGenerator::setOptLevel(unsigned Level) {
+ OptLevel = Level;
switch (OptLevel) {
case 0:
CGOptLevel = CodeGenOpt::None;
}
}
-bool LTOCodeGenerator::writeMergedModules(const char *path,
- std::string &errMsg) {
- if (!determineTarget(errMsg))
+bool LTOCodeGenerator::writeMergedModules(const char *Path,
+ std::string &ErrMsg) {
+ if (!determineTarget(ErrMsg))
return false;
// mark which symbols can not be internalized
// create output file
std::error_code EC;
- tool_output_file Out(path, EC, sys::fs::F_None);
+ tool_output_file Out(Path, EC, sys::fs::F_None);
if (EC) {
- errMsg = "could not open bitcode file for writing: ";
- errMsg += path;
+ ErrMsg = "could not open bitcode file for writing: ";
+ ErrMsg += Path;
return false;
}
Out.os().close();
if (Out.os().has_error()) {
- errMsg = "could not write bitcode file: ";
- errMsg += path;
+ ErrMsg = "could not write bitcode file: ";
+ ErrMsg += Path;
Out.os().clear_error();
return false;
}
return true;
}
-bool LTOCodeGenerator::compileOptimizedToFile(const char **name,
- std::string &errMsg) {
+bool LTOCodeGenerator::compileOptimizedToFile(const char **Name,
+ std::string &ErrMsg) {
// make unique temp .o file to put generated object file
SmallString<128> Filename;
int FD;
std::error_code EC =
sys::fs::createTemporaryFile("lto-llvm", "o", FD, Filename);
if (EC) {
- errMsg = EC.message();
+ ErrMsg = EC.message();
return false;
}
// generate object file
tool_output_file objFile(Filename.c_str(), FD);
- bool genResult = compileOptimized(&objFile.os(), errMsg);
+ bool genResult = compileOptimized(&objFile.os(), ErrMsg);
objFile.os().close();
if (objFile.os().has_error()) {
objFile.os().clear_error();
}
NativeObjectPath = Filename.c_str();
- *name = NativeObjectPath.c_str();
+ *Name = NativeObjectPath.c_str();
return true;
}
std::unique_ptr<MemoryBuffer>
-LTOCodeGenerator::compileOptimized(std::string &errMsg) {
+LTOCodeGenerator::compileOptimized(std::string &ErrMsg) {
const char *name;
- if (!compileOptimizedToFile(&name, errMsg))
+ if (!compileOptimizedToFile(&name, ErrMsg))
return nullptr;
// read .o file into memory buffer
ErrorOr<std::unique_ptr<MemoryBuffer>> BufferOrErr =
MemoryBuffer::getFile(name, -1, false);
if (std::error_code EC = BufferOrErr.getError()) {
- errMsg = EC.message();
+ ErrMsg = EC.message();
sys::fs::remove(NativeObjectPath);
return nullptr;
}
return std::move(*BufferOrErr);
}
-
-bool LTOCodeGenerator::compile_to_file(const char **name,
- bool disableInline,
- bool disableGVNLoadPRE,
- bool disableVectorization,
- std::string &errMsg) {
- if (!optimize(disableInline, disableGVNLoadPRE,
- disableVectorization, errMsg))
+bool LTOCodeGenerator::compile_to_file(const char **Name, bool DisableInline,
+ bool DisableGVNLoadPRE,
+ bool DisableVectorization,
+ std::string &ErrMsg) {
+ if (!optimize(DisableInline, DisableGVNLoadPRE, DisableVectorization, ErrMsg))
return false;
- return compileOptimizedToFile(name, errMsg);
+ return compileOptimizedToFile(Name, ErrMsg);
}
std::unique_ptr<MemoryBuffer>
-LTOCodeGenerator::compile(bool disableInline, bool disableGVNLoadPRE,
- bool disableVectorization, std::string &errMsg) {
- if (!optimize(disableInline, disableGVNLoadPRE,
- disableVectorization, errMsg))
+LTOCodeGenerator::compile(bool DisableInline, bool DisableGVNLoadPRE,
+ bool DisableVectorization, std::string &ErrMsg) {
+ if (!optimize(DisableInline, DisableGVNLoadPRE, DisableVectorization, ErrMsg))
return nullptr;
- return compileOptimized(errMsg);
+ return compileOptimized(ErrMsg);
}
-bool LTOCodeGenerator::determineTarget(std::string &errMsg) {
+bool LTOCodeGenerator::determineTarget(std::string &ErrMsg) {
if (TargetMach)
return true;
llvm::Triple Triple(TripleStr);
// create target machine from info for merged modules
- const Target *march = TargetRegistry::lookupTarget(TripleStr, errMsg);
+ const Target *march = TargetRegistry::lookupTarget(TripleStr, ErrMsg);
if (!march)
return false;
}
/// Optimize merged modules using various IPO passes
-bool LTOCodeGenerator::optimize(bool DisableInline,
- bool DisableGVNLoadPRE,
+bool LTOCodeGenerator::optimize(bool DisableInline, bool DisableGVNLoadPRE,
bool DisableVectorization,
- std::string &errMsg) {
- if (!this->determineTarget(errMsg))
+ std::string &ErrMsg) {
+ if (!this->determineTarget(ErrMsg))
return false;
// Mark which symbols can not be internalized
return true;
}
-bool LTOCodeGenerator::compileOptimized(ArrayRef<raw_pwrite_stream *> out,
- std::string &errMsg) {
- if (!this->determineTarget(errMsg))
+bool LTOCodeGenerator::compileOptimized(ArrayRef<raw_pwrite_stream *> Out,
+ std::string &ErrMsg) {
+ if (!this->determineTarget(ErrMsg))
return false;
legacy::PassManager preCodeGenPasses;
// original module at parallelism level 1 which we then assign back to
// MergedModule.
MergedModule =
- splitCodeGen(std::move(MergedModule), out, MCpu, FeatureStr, Options,
+ splitCodeGen(std::move(MergedModule), Out, MCpu, FeatureStr, Options,
RelocModel, CodeModel::Default, CGOptLevel);
return true;
/// setCodeGenDebugOptions - Set codegen debugging options to aid in debugging
/// LTO problems.
-void LTOCodeGenerator::setCodeGenDebugOptions(const char *options) {
- for (std::pair<StringRef, StringRef> o = getToken(options);
- !o.first.empty(); o = getToken(o.second))
+void LTOCodeGenerator::setCodeGenDebugOptions(const char *Options) {
+ for (std::pair<StringRef, StringRef> o = getToken(Options); !o.first.empty();
+ o = getToken(o.second))
CodegenOptions.push_back(o.first);
}
projects / oota-llvm.git / commitdiff