#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 *, ...);
void mostraInvertido(int *v, int n, char *msg) {
  int i = 0;
  printf("\n%s\n\n", msg);
  for (i = n - 1; i >= 0; i--) {
    printf("%d ", v[i]);
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<mostraInvertido>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    %rdx,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
mov    -0x18(%rbp),%rsi
lea    0xecb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
sub    $0x1,%eax
mov    %eax,-0x1c(%rbp)
cmpl   $0x0,-0x1c(%rbp)
jl     1176 <mostraInvertido+0x66>
mov    -0x8(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xea5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x1c(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x1c(%rbp)
jmp    1145 <mostraInvertido+0x35>
lea    0xe87(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<mostraInvertido>:
push   %rbp
push   %r14
push   %rbx
mov    %esi,%ebp
mov    %rdi,%rbx
lea    0xed0(%rip),%rdi
mov    %rdx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
test   %ebp,%ebp
jle    116a <mostraInvertido+0x4a>
mov    %ebp,%ebp
add    $0x1,%rbp
lea    0xebb(%rip),%r14
nopl   0x0(%rax,%rax,1)
lea    -0x2(%rbp),%eax
mov    (%rbx,%rax,4),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0xffffffffffffffff,%rbp
cmp    $0x1,%rbp
ja     1150 <mostraInvertido+0x30>
mov    $0xa,%edi
pop    %rbx
pop    %r14
pop    %rbp
jmp    1030 <putchar@plt>

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

LLVM IR (-O2):
@.str = [6 x i8] c"\0A%s\0A\0A\00"
@.str.1 = [4 x i8] c"%d \00"
define void @mostraInvertido(i32* nocapture %0, i32 %1, i8* %2) {
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i8* %2)
%5 = icmp sgt i32 %1, 0
br i1 %5, label %6, label %16
6: ; preds = %3
%7 = zext i32 %1 to i64
br label %8
8: ; preds = %6, %8
%9 = phi i64 [ %7, %6 ], [ %10, %8 ]
%10 = add nsw i64 %9, -1
%11 = and i64 %10, 4294967295
%12 = getelementptr inbounds i32, i32* %0, i64 %11
%13 = load i32, i32* %12
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %13)
%15 = icmp ugt i64 %9, 1
br i1 %15, label %8, label %16
16: ; preds = %8, %3
%17 = tail call i32 @putchar(i32 10)
ret void
}