def codegen(context: CodegenContext, builder: ir.IRBuilder,
signature: Signature, args: Sequence[ir.Value]):
# llvm IRBuilder code here
map_fn_ty, _ = signature.args
funcs = (context.get_function(map_fn_ty, sig) for sig in fn_sigs)
_, tuples = args
tuples = cgutils.unpack_tuple(builder, tuples)
elems = (func(builder,
[builder.extract_value(t, i) for t in tuples])
for i, func in enumerate(funcs))
return context.make_tuple(builder, signature.return_type, elems)
def impl_construct_dtype_on_stack(context: BaseContext, builder: ir.IRBuilder, sig, args):
ty = sig.args[0].dtype_as_type()
containing_size = find_size_for_dtype(sig.args[0].dtype)
ptr = builder.alloca(ir.IntType(8), containing_size)
for i, (name, mem_ty) in enumerate(ty.members):
llvm_mem_ty = context.get_value_type(mem_ty)
offset = ty.offset(name)
v = builder.extract_value(args[1], i)
v = context.cast(builder, v, sig.args[1][i], mem_ty)
v_ptr_byte = builder.gep(ptr, (ir.Constant(ir.IntType(32), offset),), True)
v_ptr = builder.bitcast(v_ptr_byte, llvm_mem_ty.as_pointer())
builder.store(v, v_ptr)
return ptr
def codegen(self, builder: ir.IRBuilder, ctx: CodegenContext) -> ir.Value:
struct = self.struct.codegen(builder, ctx)
assert self.idx is not None
return builder.extract_value(struct, self.idx)
