#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *, int, int);
void movern(int numero_discos, int pino_inicial, int pino_final,
            int pino_temp) {
  if (numero_discos == 1) {
    printf(" %d -> %d\n", pino_inicial, pino_final);
  } else {
    movern(numero_discos - 1, pino_inicial, pino_temp, pino_final);
    printf(" %d -> %d\n", pino_inicial, pino_final);
    movern(numero_discos - 1, pino_temp, pino_final, pino_inicial);
  }
}


x86 assembly (clang, -O0):
<movern>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    %esi,-0x8(%rbp)
mov    %edx,-0xc(%rbp)
mov    %ecx,-0x10(%rbp)
cmpl   $0x1,-0x4(%rbp)
jne    1155 <movern+0x35>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xeb5(%rip),%rdi
call   1030 <printf@plt>
jmp    118f <movern+0x6f>
mov    -0x4(%rbp),%edi
sub    $0x1,%edi
mov    -0x8(%rbp),%esi
mov    -0x10(%rbp),%edx
mov    -0xc(%rbp),%ecx
call   1040 <movern@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xe8a(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%edi
sub    $0x1,%edi
mov    -0x10(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x8(%rbp),%ecx
call   1040 <movern@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<movern>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
mov    %edx,%r14d
mov    %esi,%ebp
cmp    $0x1,%edi
jne    1137 <movern+0x17>
mov    %ebp,%r12d
jmp    1178 <movern+0x58>
mov    %edi,%ebx
add    $0xffffffff,%ebx
lea    0xebd(%rip),%r15
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    %ecx,%r12d
mov    %ebx,%edi
mov    %ebp,%esi
mov    %ecx,%edx
mov    %r14d,%ecx
call   1040 <movern@plt>
mov    %r15,%rdi
mov    %ebp,%esi
mov    %r14d,%edx
call   1030 <printf@plt>
mov    %ebp,%ecx
mov    %r12d,%ebp
add    $0xffffffff,%ebx
jne    1150 <movern+0x30>
lea    0xe81(%rip),%rdi
mov    %r12d,%esi
mov    %r14d,%edx
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <printf@plt>

LLVM IR (-O0):
@.str = [11 x i8] c" %d -> %d\0A\00"
define void @movern(i32 %0, i32 %1, i32 %2, i32 %3) {
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store i32 %0, i32* %5
store i32 %1, i32* %6
store i32 %2, i32* %7
store i32 %3, i32* %8
%9 = load i32, i32* %5
%10 = icmp eq i32 %9, 1
br i1 %10, label %11, label %15
11: ; preds = %4
%12 = load i32, i32* %6
%13 = load i32, i32* %7
%14 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %12, i32 %13)
br label %29
15: ; preds = %4
%16 = load i32, i32* %5
%17 = sub nsw i32 %16, 1
%18 = load i32, i32* %6
%19 = load i32, i32* %8
%20 = load i32, i32* %7
%21 = load i32, i32* %6
%22 = load i32, i32* %7
%23 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %21, i32 %22)
%24 = load i32, i32* %5
%25 = sub nsw i32 %24, 1
%26 = load i32, i32* %8
%27 = load i32, i32* %7
%28 = load i32, i32* %6
br label %29
29: ; preds = %15, %11
ret void
}

LLVM IR (-O2):
@.str = [11 x i8] c" %d -> %d\0A\00"
define void @movern(i32 %0, i32 %1, i32 %2, i32 %3) {
%5 = icmp eq i32 %0, 1
br i1 %5, label %6, label %9
6: ; preds = %9, %4
%7 = phi i32 [ %1, %4 ], [ %10, %9 ]
%8 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %7, i32 %2)
ret void
9: ; preds = %4, %9
%10 = phi i32 [ %11, %9 ], [ %3, %4 ]
%11 = phi i32 [ %10, %9 ], [ %1, %4 ]
%12 = phi i32 [ %13, %9 ], [ %0, %4 ]
%13 = add nsw i32 %12, -1
tail call void @movern(i32 %13, i32 %11, i32 %10, i32 %2)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %11, i32 %2)
%15 = icmp eq i32 %13, 1
br i1 %15, label %6, label %9
}