void test_honors_fixed_interval_register_constraint_for_overlapping_intervals(void)
{
struct compilation_unit *cu;
struct var_info *v1, *v2;
cu = compilation_unit_alloc(&method);
v1 = get_fixed_var(cu, R0);
v1->interval->range.start = 0;
v1->interval->range.end = 2;
v2 = get_var(cu);
v2->interval->range.start = 0;
v2->interval->range.end = 2;
allocate_registers(cu);
assert_int_equals(R0, v1->interval->reg);
assert_int_equals(R1, v2->interval->reg);
free_compilation_unit(cu);
}
int main(int argc, const char *argv[]) {
if(!allocate_registers()) {
printf("error allocating registers\n");
return EXIT_FAILURE;
}
if(!allocate_ram()) {
printf("error allocating ram\n");
return EXIT_FAILURE;
}
if(!load_program(argv[1])) {
printf("error loading program\n");
return EXIT_FAILURE;
}
while(running) {
cycle();
}
//debug_ram();
return EXIT_SUCCESS;
}
int compile(struct compilation_unit *cu)
{
int err;
if (opt_trace_method)
trace_method(cu);
err = analyze_control_flow(cu);
if (err)
goto out;
err = convert_to_ir(cu);
if (err)
goto out;
err = sort_basic_blocks(cu);
if (err)
goto out;
if (opt_trace_cfg)
trace_cfg(cu);
if (opt_trace_tree_ir)
trace_tree_ir(cu);
err = select_instructions(cu);
if (err)
goto out;
compute_insn_positions(cu);
if (opt_trace_lir)
trace_lir(cu);
err = analyze_liveness(cu);
if (err)
goto out;
if (opt_trace_liveness)
trace_liveness(cu);
err = allocate_registers(cu);
if (err)
goto out;
if (opt_trace_regalloc)
trace_regalloc(cu);
err = insert_spill_reload_insns(cu);
if (err)
goto out;
assert(all_insn_have_bytecode_offset(cu));
err = emit_machine_code(cu);
if (err)
goto out;
if (opt_trace_machine_code)
trace_machine_code(cu);
cu->is_compiled = true;
perf_append_cu(cu);
out:
if (err)
compile_error(cu, err);
return err;
}
static int do_compile(struct compilation_unit *cu)
{
bool ssa_enable;
int err;
if (opt_print_compilation)
print_compilation(cu->method);
if (opt_trace_compile)
trace_method(cu);
err = inline_subroutines(cu->method);
if (err)
goto out;
if (opt_trace_bytecode)
trace_bytecode(cu->method);
err = analyze_control_flow(cu);
if (err)
goto out;
err = convert_to_ir(cu);
if (err)
goto out;
ssa_enable = opt_ssa_enable && uses_array_ops(cu);
if (ssa_enable) {
err = compute_dfns(cu);
if (err)
goto out;
}
if (opt_trace_cfg)
trace_cfg(cu);
if (opt_trace_tree_ir)
trace_tree_ir(cu);
err = select_instructions(cu);
if (err)
goto out;
compute_insn_positions(cu);
if (opt_trace_lir)
trace_lir(cu);
if (ssa_enable) {
err = compute_dom(cu);
if (err)
goto out;
err = compute_dom_frontier(cu);
if (err)
goto out;
err = lir_to_ssa(cu);
if (err)
goto out;
if(opt_trace_ssa)
trace_ssa(cu);
imm_copy_propagation(cu);
abc_removal(cu);
err = dce(cu);
if (err)
goto out;
err = ssa_to_lir(cu);
if (err)
goto out;
}
err = analyze_liveness(cu);
if (err)
goto out;
if (opt_trace_liveness)
trace_liveness(cu);
err = allocate_registers(cu);
if (err)
goto out;
err = mark_clobbers(cu);
if (err)
goto out;
err = insert_spill_reload_insns(cu);
if (err)
goto out;
if (opt_trace_regalloc)
trace_regalloc(cu);
err = convert_ic_calls(cu);
if (err)
goto out;
assert(all_insn_have_bytecode_offset(cu));
err = peephole_optimize(cu);
if (err)
goto out;
err = emit_machine_code(cu);
if (err)
goto out;
err = build_bc_offset_map(cu);
if (err)
goto out;
if (opt_trace_machine_code)
trace_machine_code(cu);
resolve_fixup_offsets(cu);
perf_append_cu(cu);
out:
if (opt_trace_compile)
trace_flush();
if (err && !exception_occurred())
compile_error(cu, err);
return err;
}
