static bool init_module(compile_t* c, ast_t* program, pass_opt_t* opt)
{
c->opt = opt;
// Get the first package and the builtin package.
ast_t* package = ast_child(program);
ast_t* builtin = ast_sibling(package);
// If we have only one package, we are compiling builtin itself.
if(builtin == NULL)
builtin = package;
// The name of the first package is the name of the program.
c->filename = package_filename(package);
// LLVM context and machine settings.
if(c->opt->library || target_is_ilp32(opt->triple))
c->callconv = LLVMCCallConv;
else
c->callconv = LLVMFastCallConv;
if(!c->opt->release || c->opt->library || c->opt->extfun)
c->linkage = LLVMExternalLinkage;
else
c->linkage = LLVMPrivateLinkage;
c->machine = make_machine(opt);
if(c->machine == NULL)
return false;
c->context = LLVMContextCreate();
// Create a module.
c->module = LLVMModuleCreateWithNameInContext(c->filename, c->context);
// Set the target triple.
LLVMSetTarget(c->module, opt->triple);
// Set the data layout.
#if PONY_LLVM <= 308
c->target_data = LLVMGetTargetMachineData(c->machine);
#else
c->target_data = LLVMCreateTargetDataLayout(c->machine);
#endif
char* layout = LLVMCopyStringRepOfTargetData(c->target_data);
LLVMSetDataLayout(c->module, layout);
LLVMDisposeMessage(layout);
// IR builder.
c->builder = LLVMCreateBuilderInContext(c->context);
c->di = LLVMNewDIBuilder(c->module);
// TODO: what LANG id should be used?
c->di_unit = LLVMDIBuilderCreateCompileUnit(c->di, 0x0004,
package_filename(package), package_path(package), "ponyc-" PONY_VERSION,
c->opt->release);
// Empty frame stack.
c->frame = NULL;
c->reach = reach_new();
c->tbaa_mds = tbaa_metadatas_new();
// This gets a real value once the instance of None has been generated.
c->none_instance = NULL;
return true;
}
/* TargetMachine.t -> DataLayout.t */
CAMLprim value llvm_targetmachine_data_layout(value Machine) {
return llvm_alloc_data_layout(LLVMCreateTargetDataLayout(
TargetMachine_val(Machine)));
}
