void unparse_out(t, n) {
  register int i, v;
  itr_tree(t, n, i, v, unp0_out(v), unp1_out(v, t, i), unp2_out(v, t, i),
           unp3_out(v, t, i));
}


x86 assembly (clang, -O0):
<unparse_out>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
mov    %edi,-0x4(%rbp)
mov    %esi,-0x8(%rbp)
mov    -0x4(%rbp),%eax
mov    %eax,-0x2c(%rbp)
mov    -0x8(%rbp),%eax
mov    %eax,-0x28(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x24(%rbp)
mov    -0x10(%rbp),%eax
mov    %eax,-0x20(%rbp)
mov    -0x10(%rbp),%edi
mov    $0x0,%al
call   1050 <unp0_out@plt>
mov    %eax,-0x1c(%rbp)
mov    -0x10(%rbp),%edi
mov    -0x4(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    $0x0,%al
call   1070 <unp1_out@plt>
mov    %eax,-0x18(%rbp)
mov    -0x10(%rbp),%edi
mov    -0x4(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    $0x0,%al
call   1060 <unp2_out@plt>
mov    %eax,-0x14(%rbp)
mov    -0x10(%rbp),%edi
mov    -0x4(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    $0x0,%al
call   1030 <unp3_out@plt>
mov    -0x2c(%rbp),%edi
mov    -0x28(%rbp),%esi
mov    -0x24(%rbp),%edx
mov    -0x20(%rbp),%ecx
mov    -0x1c(%rbp),%r8d
mov    -0x18(%rbp),%r9d
mov    -0x14(%rbp),%r10d
mov    %r10d,(%rsp)
mov    %eax,0x8(%rsp)
mov    $0x0,%al
call   1040 <itr_tree@plt>
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<unparse_out>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
mov    %esi,%r14d
mov    %edi,%ebp
xor    %eax,%eax
call   1050 <unp0_out@plt>
mov    %eax,%r15d
mov    %ebp,%esi
xor    %eax,%eax
call   1070 <unp1_out@plt>
mov    %eax,%ebx
mov    %ebp,%esi
xor    %eax,%eax
call   1060 <unp2_out@plt>
mov    %eax,%r12d
mov    %ebp,%esi
xor    %eax,%eax
call   1030 <unp3_out@plt>
mov    %eax,%ecx
mov    %ebp,%edi
mov    %r14d,%esi
mov    %r15d,%r8d
mov    %ebx,%r9d
xor    %eax,%eax
push   %rcx
push   %r12
call   1040 <itr_tree@plt>
add    $0x10,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @unparse_out(i32 %0, i32 %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
store i32 %0, i32* %3
store i32 %1, i32* %4
%7 = load i32, i32* %3
%8 = load i32, i32* %4
%9 = load i32, i32* %5
%10 = load i32, i32* %6
%11 = load i32, i32* %6
%12 = call i32 (i32, ...) bitcast (i32 (...)* @unp0_out to i32 (i32, ...)*)(i32 %11)
%13 = load i32, i32* %6
%14 = load i32, i32* %3
%15 = load i32, i32* %5
%16 = call i32 (i32, i32, i32, ...) bitcast (i32 (...)* @unp1_out to i32 (i32, i32, i32, ...)*)(i32 %13, i32 %14, i32 %15)
%17 = load i32, i32* %6
%18 = load i32, i32* %3
%19 = load i32, i32* %5
%20 = call i32 (i32, i32, i32, ...) bitcast (i32 (...)* @unp2_out to i32 (i32, i32, i32, ...)*)(i32 %17, i32 %18, i32 %19)
%21 = load i32, i32* %6
%22 = load i32, i32* %3
%23 = load i32, i32* %5
%24 = call i32 (i32, i32, i32, ...) bitcast (i32 (...)* @unp3_out to i32 (i32, i32, i32, ...)*)(i32 %21, i32 %22, i32 %23)
%25 = call i32 (i32, i32, i32, i32, i32, i32, i32, i32, ...) bitcast (i32 (...)* @itr_tree to i32 (i32, i32, i32, i32, i32, i32, i32, i32, ...)*)(i32 %7, i32 %8, i32 %9, i32 %10, i32 %12, i32 %16, i32 %20, i32 %24)
ret void
}

LLVM IR (-O2):
define void @unparse_out(i32 %0, i32 %1) {
%3 = tail call i32 (i32, ...) bitcast (i32 (...)* @unp0_out to i32 (i32, ...)*)(i32 undef)
%4 = tail call i32 (i32, i32, i32, ...) bitcast (i32 (...)* @unp1_out to i32 (i32, i32, i32, ...)*)(i32 undef, i32 %0, i32 undef)
%5 = tail call i32 (i32, i32, i32, ...) bitcast (i32 (...)* @unp2_out to i32 (i32, i32, i32, ...)*)(i32 undef, i32 %0, i32 undef)
%6 = tail call i32 (i32, i32, i32, ...) bitcast (i32 (...)* @unp3_out to i32 (i32, i32, i32, ...)*)(i32 undef, i32 %0, i32 undef)
%7 = tail call i32 (i32, i32, i32, i32, i32, i32, i32, i32, ...) bitcast (i32 (...)* @itr_tree to i32 (i32, i32, i32, i32, i32, i32, i32, i32, ...)*)(i32 %0, i32 %1, i32 undef, i32 undef, i32 %3, i32 %4, i32 %5, i32 %6)
ret void
}