def generate_CALL(self, op):
calldescr = op.descr
assert isinstance(calldescr, CallDescr)
ty_function_ptr = self.cpu.get_calldescr_ty_function_ptr(calldescr)
v = op.args[0]
if isinstance(v, Const):
func = self.cpu._make_const(v.getint(), ty_function_ptr)
else:
func = self.getintarg(v)
func = llvm_rffi.LLVMBuildIntToPtr(self.builder,
func,
ty_function_ptr, "")
nb_args = len(op.args) - 1
arglist = lltype.malloc(rffi.CArray(llvm_rffi.LLVMValueRef), nb_args,
flavor='raw')
for i in range(nb_args):
v = op.args[1 + i]
index = calldescr.args_indices[i]
getarg = self.cpu.getarg_by_index[index]
value_ref = getarg(self, v)
arglist[i] = value_ref
res = llvm_rffi.LLVMBuildCall(self.builder,
func, arglist, nb_args, "")
lltype.free(arglist, flavor='raw')
if op.result is not None:
assert calldescr.res_index >= 0
self.vars[op.result] = res
def _generate_new(self, size_ref):
malloc_func = self.cpu._make_const(self.cpu.malloc_fn_ptr,
self.cpu.ty_malloc_fn)
arglist = lltype.malloc(rffi.CArray(llvm_rffi.LLVMValueRef), 1,
flavor='raw')
arglist[0] = size_ref
res = llvm_rffi.LLVMBuildCall(self.builder, malloc_func,
arglist, 1, "")
lltype.free(arglist, flavor='raw')
return res
def _generate_ovf_test(self, f_intrinsic, arg0, arg1, result):
arglist = lltype.malloc(rffi.CArray(llvm_rffi.LLVMValueRef), 2,
flavor='raw')
arglist[0] = arg0
arglist[1] = arg1
tmp = llvm_rffi.LLVMBuildCall(self.builder, f_intrinsic,
arglist, 2, "")
lltype.free(arglist, flavor='raw')
self.vars[result] = llvm_rffi.LLVMBuildExtractValue(self.builder,
tmp, 0, "")
self.lastovf = llvm_rffi.LLVMBuildExtractValue(self.builder, tmp, 1,
"")