//===----------------------------------------------------------------------===//
#include "llvm-c/lto.h"
-#include "LTOCodeGenerator.h"
-#include "LTOModule.h"
#include "llvm-c/Core.h"
+#include "llvm-c/Target.h"
+#include "llvm/CodeGen/CommandFlags.h"
+#include "llvm/LTO/LTOCodeGenerator.h"
+#include "llvm/LTO/LTOModule.h"
+// extra command-line flags needed for LTOCodeGenerator
+static cl::opt<bool>
+DisableOpt("disable-opt", cl::init(false),
+ cl::desc("Do not run any optimization passes"));
+
+static cl::opt<bool>
+DisableInline("disable-inlining", cl::init(false),
+ cl::desc("Do not run the inliner pass"));
+
+static cl::opt<bool>
+DisableGVNLoadPRE("disable-gvn-loadpre", cl::init(false),
+ cl::desc("Do not run the GVN load PRE pass"));
// Holds most recent error string.
// *** Not thread safe ***
static std::string sLastErrorString;
+// Holds the initialization state of the LTO module.
+// *** Not thread safe ***
+static bool initialized = false;
+
+// Holds the command-line option parsing state of the LTO module.
+static bool parsedOptions = false;
+
+// Initialize the configured targets if they have not been initialized.
+static void lto_initialize() {
+ if (!initialized) {
+ LLVMInitializeAllTargetInfos();
+ LLVMInitializeAllTargets();
+ LLVMInitializeAllTargetMCs();
+ LLVMInitializeAllAsmParsers();
+ LLVMInitializeAllAsmPrinters();
+ LLVMInitializeAllDisassemblers();
+ initialized = true;
+ }
+}
+
/// lto_get_version - Returns a printable string.
extern const char* lto_get_version() {
return LTOCodeGenerator::getVersionString();
/// lto_module_create - Loads an object file from disk. Returns NULL on error
/// (check lto_get_error_message() for details).
lto_module_t lto_module_create(const char* path) {
- return LTOModule::makeLTOModule(path, sLastErrorString);
+ lto_initialize();
+ llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
+ return LTOModule::makeLTOModule(path, Options, sLastErrorString);
}
/// lto_module_create_from_fd - Loads an object file from disk. Returns NULL on
/// error (check lto_get_error_message() for details).
lto_module_t lto_module_create_from_fd(int fd, const char *path, size_t size) {
- return LTOModule::makeLTOModule(fd, path, size, sLastErrorString);
+ lto_initialize();
+ llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
+ return LTOModule::makeLTOModule(fd, path, size, Options, sLastErrorString);
}
/// lto_module_create_from_fd_at_offset - Loads an object file from disk.
size_t file_size,
size_t map_size,
off_t offset) {
- return LTOModule::makeLTOModule(fd, path, file_size, map_size,
- offset, sLastErrorString);
+ lto_initialize();
+ llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
+ return LTOModule::makeLTOModule(fd, path, map_size, offset, Options,
+ sLastErrorString);
}
/// lto_module_create_from_memory - Loads an object file from memory. Returns
/// NULL on error (check lto_get_error_message() for details).
lto_module_t lto_module_create_from_memory(const void* mem, size_t length) {
- return LTOModule::makeLTOModule(mem, length, sLastErrorString);
+ lto_initialize();
+ llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
+ return LTOModule::makeLTOModule(mem, length, Options, sLastErrorString);
+}
+
+/// Loads an object file from memory with an extra path argument.
+/// Returns NULL on error (check lto_get_error_message() for details).
+lto_module_t lto_module_create_from_memory_with_path(const void* mem,
+ size_t length,
+ const char *path) {
+ lto_initialize();
+ llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
+ return LTOModule::makeLTOModule(mem, length, Options, sLastErrorString, path);
}
/// lto_module_dispose - Frees all memory for a module. Upon return the
return mod->getSymbolAttributes(index);
}
+/// lto_module_get_num_deplibs - Returns the number of dependent libraries in
+/// the object module.
+unsigned int lto_module_get_num_deplibs(lto_module_t mod) {
+ return mod->getDependentLibraryCount();
+}
+
+/// lto_module_get_deplib - Returns the ith dependent library in the module.
+const char* lto_module_get_deplib(lto_module_t mod, unsigned int index) {
+ return mod->getDependentLibrary(index);
+}
+
+/// lto_module_get_num_linkeropts - Returns the number of linker options in the
+/// object module.
+unsigned int lto_module_get_num_linkeropts(lto_module_t mod) {
+ return mod->getLinkerOptCount();
+}
+
+/// lto_module_get_linkeropt - Returns the ith linker option in the module.
+const char* lto_module_get_linkeropt(lto_module_t mod, unsigned int index) {
+ return mod->getLinkerOpt(index);
+}
+
+/// Set a diagnostic handler.
+void lto_codegen_set_diagnostic_handler(lto_code_gen_t cg,
+ lto_diagnostic_handler_t diag_handler,
+ void *ctxt) {
+ cg->setDiagnosticHandler(diag_handler, ctxt);
+}
+
/// lto_codegen_create - Instantiates a code generator. Returns NULL if there
/// is an error.
lto_code_gen_t lto_codegen_create(void) {
- return new LTOCodeGenerator();
+ lto_initialize();
+
+ TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
+
+ LTOCodeGenerator *CodeGen = new LTOCodeGenerator();
+ if (CodeGen)
+ CodeGen->setTargetOptions(Options);
+ return CodeGen;
}
/// lto_codegen_dispose - Frees all memory for a code generator. Upon return the
/// which code will be generated. Returns true on error (check
/// lto_get_error_message() for details).
bool lto_codegen_add_module(lto_code_gen_t cg, lto_module_t mod) {
- return cg->addModule(mod, sLastErrorString);
+ return !cg->addModule(mod, sLastErrorString);
}
/// lto_codegen_set_debug_model - Sets what if any format of debug info should
/// be generated. Returns true on error (check lto_get_error_message() for
/// details).
bool lto_codegen_set_debug_model(lto_code_gen_t cg, lto_debug_model debug) {
- return cg->setDebugInfo(debug, sLastErrorString);
+ cg->setDebugInfo(debug);
+ return false;
}
/// lto_codegen_set_pic_model - Sets what code model to generated. Returns true
/// on error (check lto_get_error_message() for details).
bool lto_codegen_set_pic_model(lto_code_gen_t cg, lto_codegen_model model) {
- return cg->setCodePICModel(model, sLastErrorString);
+ cg->setCodePICModel(model);
+ return false;
}
/// lto_codegen_set_cpu - Sets the cpu to generate code for.
/// that contains the merged contents of all modules added so far. Returns true
/// on error (check lto_get_error_message() for details).
bool lto_codegen_write_merged_modules(lto_code_gen_t cg, const char *path) {
- return cg->writeMergedModules(path, sLastErrorString);
+ if (!parsedOptions) {
+ cg->parseCodeGenDebugOptions();
+ parsedOptions = true;
+ }
+ return !cg->writeMergedModules(path, sLastErrorString);
}
/// lto_codegen_compile - Generates code for all added modules into one native
/// lto_codegen_compile() is called again. On failure, returns NULL (check
/// lto_get_error_message() for details).
const void *lto_codegen_compile(lto_code_gen_t cg, size_t *length) {
- return cg->compile(length, sLastErrorString);
+ if (!parsedOptions) {
+ cg->parseCodeGenDebugOptions();
+ parsedOptions = true;
+ }
+ return cg->compile(length, DisableOpt, DisableInline, DisableGVNLoadPRE,
+ sLastErrorString);
}
/// lto_codegen_compile_to_file - Generates code for all added modules into one
/// native object file. The name of the file is written to name. Returns true on
/// error.
bool lto_codegen_compile_to_file(lto_code_gen_t cg, const char **name) {
- return cg->compile_to_file(name, sLastErrorString);
+ if (!parsedOptions) {
+ cg->parseCodeGenDebugOptions();
+ parsedOptions = true;
+ }
+ return !cg->compile_to_file(name, DisableOpt, DisableInline, DisableGVNLoadPRE,
+ sLastErrorString);
}
/// lto_codegen_debug_options - Used to pass extra options to the code
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