def _build_wrapper(self, library, name): """ The LLVM IRBuilder code to create the gufunc wrapper. The *library* arg is the CodeLibrary for which the wrapper should be added to. The *name* arg is the name of the wrapper function being created. """ byte_t = Type.int(8) byte_ptr_t = Type.pointer(byte_t) byte_ptr_ptr_t = Type.pointer(byte_ptr_t) intp_t = self.context.get_value_type(types.intp) intp_ptr_t = Type.pointer(intp_t) fnty = Type.function( Type.void(), [byte_ptr_ptr_t, intp_ptr_t, intp_ptr_t, byte_ptr_t]) wrapper_module = library.create_ir_module('') func_type = self.call_conv.get_function_type(self.fndesc.restype, self.fndesc.argtypes) fname = self.fndesc.llvm_func_name func = wrapper_module.add_function(func_type, name=fname) func.attributes.add("alwaysinline") wrapper = wrapper_module.add_function(fnty, name) arg_args, arg_dims, arg_steps, arg_data = wrapper.args arg_args.name = "args" arg_dims.name = "dims" arg_steps.name = "steps" arg_data.name = "data" builder = Builder(wrapper.append_basic_block("entry")) loopcount = builder.load(arg_dims, name="loopcount") pyapi = self.context.get_python_api(builder) # Unpack shapes unique_syms = set() for grp in (self.sin, self.sout): for syms in grp: unique_syms |= set(syms) sym_map = {} for syms in self.sin: for s in syms: if s not in sym_map: sym_map[s] = len(sym_map) sym_dim = {} for s, i in sym_map.items(): sym_dim[s] = builder.load( builder.gep(arg_dims, [self.context.get_constant(types.intp, i + 1)])) # Prepare inputs arrays = [] step_offset = len(self.sin) + len(self.sout) for i, (typ, sym) in enumerate( zip(self.signature.args, self.sin + self.sout)): ary = GUArrayArg(self.context, builder, arg_args, arg_steps, i, step_offset, typ, sym, sym_dim) step_offset += len(sym) arrays.append(ary) bbreturn = builder.append_basic_block('.return') # Prologue self.gen_prologue(builder, pyapi) # Loop with cgutils.for_range(builder, loopcount, intp=intp_t) as loop: args = [a.get_array_at_offset(loop.index) for a in arrays] innercall, error = self.gen_loop_body(builder, pyapi, func, args) # If error, escape cgutils.cbranch_or_continue(builder, error, bbreturn) builder.branch(bbreturn) builder.position_at_end(bbreturn) # Epilogue self.gen_epilogue(builder, pyapi) builder.ret_void() # Link library.add_ir_module(wrapper_module) library.add_linking_library(self.library)
def build(self): byte_t = Type.int(8) byte_ptr_t = Type.pointer(byte_t) byte_ptr_ptr_t = Type.pointer(byte_ptr_t) intp_t = self.context.get_value_type(types.intp) intp_ptr_t = Type.pointer(intp_t) fnty = Type.function( Type.void(), [byte_ptr_ptr_t, intp_ptr_t, intp_ptr_t, byte_ptr_t]) wrapper_module = self.library.create_ir_module('') func_type = self.call_conv.get_function_type(self.fndesc.restype, self.fndesc.argtypes) func = wrapper_module.add_function(func_type, name=self.func.name) func.attributes.add("alwaysinline") wrapper = wrapper_module.add_function(fnty, "__gufunc__." + self.func.name) arg_args, arg_dims, arg_steps, arg_data = wrapper.args arg_args.name = "args" arg_dims.name = "dims" arg_steps.name = "steps" arg_data.name = "data" builder = Builder(wrapper.append_basic_block("entry")) loopcount = builder.load(arg_dims, name="loopcount") pyapi = self.context.get_python_api(builder) # Unpack shapes unique_syms = set() for grp in (self.sin, self.sout): for syms in grp: unique_syms |= set(syms) sym_map = {} for syms in self.sin: for s in syms: if s not in sym_map: sym_map[s] = len(sym_map) sym_dim = {} for s, i in sym_map.items(): sym_dim[s] = builder.load( builder.gep(arg_dims, [self.context.get_constant(types.intp, i + 1)])) # Prepare inputs arrays = [] step_offset = len(self.sin) + len(self.sout) for i, (typ, sym) in enumerate( zip(self.signature.args, self.sin + self.sout)): ary = GUArrayArg(self.context, builder, arg_args, arg_steps, i, step_offset, typ, sym, sym_dim) step_offset += len(sym) arrays.append(ary) bbreturn = builder.append_basic_block('.return') # Prologue self.gen_prologue(builder, pyapi) # Loop with cgutils.for_range(builder, loopcount, intp=intp_t) as loop: args = [a.get_array_at_offset(loop.index) for a in arrays] innercall, error = self.gen_loop_body(builder, pyapi, func, args) # If error, escape cgutils.cbranch_or_continue(builder, error, bbreturn) builder.branch(bbreturn) builder.position_at_end(bbreturn) # Epilogue self.gen_epilogue(builder, pyapi) builder.ret_void() self.library.add_ir_module(wrapper_module) wrapper = self.library.get_function(wrapper.name) # Set core function to internal so that it is not generated self.func.linkage = LINKAGE_INTERNAL return wrapper, self.env
def _build_wrapper(self, library, name): """ The LLVM IRBuilder code to create the gufunc wrapper. The *library* arg is the CodeLibrary for which the wrapper should be added to. The *name* arg is the name of the wrapper function being created. """ byte_t = Type.int(8) byte_ptr_t = Type.pointer(byte_t) byte_ptr_ptr_t = Type.pointer(byte_ptr_t) intp_t = self.context.get_value_type(types.intp) intp_ptr_t = Type.pointer(intp_t) fnty = Type.function(Type.void(), [byte_ptr_ptr_t, intp_ptr_t, intp_ptr_t, byte_ptr_t]) wrapper_module = library.create_ir_module('') func_type = self.call_conv.get_function_type(self.fndesc.restype, self.fndesc.argtypes) fname = self.fndesc.llvm_func_name func = wrapper_module.add_function(func_type, name=fname) func.attributes.add("alwaysinline") wrapper = wrapper_module.add_function(fnty, name) arg_args, arg_dims, arg_steps, arg_data = wrapper.args arg_args.name = "args" arg_dims.name = "dims" arg_steps.name = "steps" arg_data.name = "data" builder = Builder(wrapper.append_basic_block("entry")) loopcount = builder.load(arg_dims, name="loopcount") pyapi = self.context.get_python_api(builder) # Unpack shapes unique_syms = set() for grp in (self.sin, self.sout): for syms in grp: unique_syms |= set(syms) sym_map = {} for syms in self.sin: for s in syms: if s not in sym_map: sym_map[s] = len(sym_map) sym_dim = {} for s, i in sym_map.items(): sym_dim[s] = builder.load(builder.gep(arg_dims, [self.context.get_constant( types.intp, i + 1)])) # Prepare inputs arrays = [] step_offset = len(self.sin) + len(self.sout) for i, (typ, sym) in enumerate(zip(self.signature.args, self.sin + self.sout)): ary = GUArrayArg(self.context, builder, arg_args, arg_steps, i, step_offset, typ, sym, sym_dim) step_offset += len(sym) arrays.append(ary) bbreturn = builder.append_basic_block('.return') # Prologue self.gen_prologue(builder, pyapi) # Loop with cgutils.for_range(builder, loopcount, intp=intp_t) as loop: args = [a.get_array_at_offset(loop.index) for a in arrays] innercall, error = self.gen_loop_body(builder, pyapi, func, args) # If error, escape cgutils.cbranch_or_continue(builder, error, bbreturn) builder.branch(bbreturn) builder.position_at_end(bbreturn) # Epilogue self.gen_epilogue(builder, pyapi) builder.ret_void() # Link library.add_ir_module(wrapper_module) library.add_linking_library(self.library)
def build(self): byte_t = Type.int(8) byte_ptr_t = Type.pointer(byte_t) byte_ptr_ptr_t = Type.pointer(byte_ptr_t) intp_t = self.context.get_value_type(types.intp) intp_ptr_t = Type.pointer(intp_t) fnty = Type.function(Type.void(), [byte_ptr_ptr_t, intp_ptr_t, intp_ptr_t, byte_ptr_t]) wrapper_module = self.library.create_ir_module('') func_type = self.call_conv.get_function_type(self.fndesc.restype, self.fndesc.argtypes) func = wrapper_module.add_function(func_type, name=self.func.name) func.attributes.add("alwaysinline") wrapper = wrapper_module.add_function(fnty, "__gufunc__." + self.func.name) arg_args, arg_dims, arg_steps, arg_data = wrapper.args arg_args.name = "args" arg_dims.name = "dims" arg_steps.name = "steps" arg_data.name = "data" builder = Builder(wrapper.append_basic_block("entry")) loopcount = builder.load(arg_dims, name="loopcount") pyapi = self.context.get_python_api(builder) # Unpack shapes unique_syms = set() for grp in (self.sin, self.sout): for syms in grp: unique_syms |= set(syms) sym_map = {} for syms in self.sin: for s in syms: if s not in sym_map: sym_map[s] = len(sym_map) sym_dim = {} for s, i in sym_map.items(): sym_dim[s] = builder.load(builder.gep(arg_dims, [self.context.get_constant( types.intp, i + 1)])) # Prepare inputs arrays = [] step_offset = len(self.sin) + len(self.sout) for i, (typ, sym) in enumerate(zip(self.signature.args, self.sin + self.sout)): ary = GUArrayArg(self.context, builder, arg_args, arg_steps, i, step_offset, typ, sym, sym_dim) step_offset += len(sym) arrays.append(ary) bbreturn = builder.append_basic_block('.return') # Prologue self.gen_prologue(builder, pyapi) # Loop with cgutils.for_range(builder, loopcount, intp=intp_t) as loop: args = [a.get_array_at_offset(loop.index) for a in arrays] innercall, error = self.gen_loop_body(builder, pyapi, func, args) # If error, escape cgutils.cbranch_or_continue(builder, error, bbreturn) builder.branch(bbreturn) builder.position_at_end(bbreturn) # Epilogue self.gen_epilogue(builder, pyapi) builder.ret_void() self.library.add_ir_module(wrapper_module) wrapper = self.library.get_function(wrapper.name) # Set core function to internal so that it is not generated self.func.linkage = LINKAGE_INTERNAL return wrapper, self.env