#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 /*<<< orphan*/ scanf(char *, int *);
int /*<<< orphan*/ system(char *);
int main() {
  int n[10];
  int cont;
  cont = 0;
  while (cont <= 9) {
    printf("\nInserisci numero:");
    scanf("%d", &n[cont]);
    cont++;
  }
  while (cont >= 0) {
    if (n[cont] != 0) {
      printf(" %d", n[cont]);
    }
    cont--;
  }
  system("PAUSE");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x34(%rbp)
cmpl   $0x9,-0x34(%rbp)
jg     1187 <main+0x57>
lea    0xea9(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
movslq -0x34(%rbp),%rax
lea    -0x30(%rbp),%rsi
shl    $0x2,%rax
add    %rax,%rsi
lea    0xea0(%rip),%rdi
call   1050 <scanf@plt>
mov    -0x34(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x34(%rbp)
jmp    1146 <main+0x16>
jmp    118c <main+0x5c>
cmpl   $0x0,-0x34(%rbp)
jl     11c9 <main+0x99>
movslq -0x34(%rbp),%rax
cmpl   $0x0,-0x30(%rbp,%rax,4)
je     11bb <main+0x8b>
movslq -0x34(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%esi
lea    0xe5f(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x34(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x34(%rbp)
jmp    118c <main+0x5c>
lea    0xe47(%rip),%rdi
call   1030 <system@plt>
mov    -0x4(%rbp),%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x28,%rsp
lea    0xec2(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec5(%rip),%rbx
mov    %rsp,%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x14(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x18(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x1c(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x20(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x24(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    0x28(%rsp),%esi
test   %esi,%esi
je     123f <main+0x10f>
lea    0xddb(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x24(%rsp),%esi
test   %esi,%esi
je     1255 <main+0x125>
lea    0xdc5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x20(%rsp),%esi
test   %esi,%esi
je     126b <main+0x13b>
lea    0xdaf(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x1c(%rsp),%esi
test   %esi,%esi
je     1281 <main+0x151>
lea    0xd99(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x18(%rsp),%esi
test   %esi,%esi
je     1297 <main+0x167>
lea    0xd83(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x14(%rsp),%esi
test   %esi,%esi
je     12ad <main+0x17d>
lea    0xd6d(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x10(%rsp),%esi
test   %esi,%esi
je     12c3 <main+0x193>
lea    0xd57(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rsp),%esi
test   %esi,%esi
je     12d9 <main+0x1a9>
lea    0xd41(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%rsp),%esi
test   %esi,%esi
je     12ef <main+0x1bf>
lea    0xd2b(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x4(%rsp),%esi
test   %esi,%esi
je     1305 <main+0x1d5>
lea    0xd15(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    (%rsp),%esi
test   %esi,%esi
je     131a <main+0x1ea>
lea    0xd00(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xcf6(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x28,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [19 x i8] c"\0AInserisci numero:\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [4 x i8] c" %d\00"
@.str.3 = [6 x i8] c"PAUSE\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [10 x i32]
%3 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
br label %4
4: ; preds = %7, %0
%5 = load i32, i32* %3
%6 = icmp sle i32 %5, 9
br i1 %6, label %7, label %15
7: ; preds = %4
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%9 = load i32, i32* %3
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %10
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %11)
%13 = load i32, i32* %3
%14 = add nsw i32 %13, 1
store i32 %14, i32* %3
br label %4
15: ; preds = %4
br label %16
16: ; preds = %31, %15
%17 = load i32, i32* %3
%18 = icmp sge i32 %17, 0
br i1 %18, label %19, label %34
19: ; preds = %16
%20 = load i32, i32* %3
%21 = sext i32 %20 to i64
%22 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %21
%23 = load i32, i32* %22
%24 = icmp ne i32 %23, 0
br i1 %24, label %25, label %31
25: ; preds = %19
%26 = load i32, i32* %3
%27 = sext i32 %26 to i64
%28 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %27
%29 = load i32, i32* %28
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %29)
br label %31
31: ; preds = %25, %19
%32 = load i32, i32* %3
%33 = add nsw i32 %32, -1
store i32 %33, i32* %3
br label %16
34: ; preds = %16
%35 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
%36 = load i32, i32* %1
ret i32 %36
}

LLVM IR (-O2):
@.str = [19 x i8] c"\0AInserisci numero:\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [4 x i8] c" %d\00"
@.str.3 = [6 x i8] c"PAUSE\00"
define i32 @main() {
%1 = alloca [10 x i32]
%2 = bitcast [10 x i32]* %1 to i8*
%3 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%4 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 0
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %4)
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%7 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 1
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %7)
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%10 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 2
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %10)
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%13 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 3
%14 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %13)
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%16 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 4
%17 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %16)
%18 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%19 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 5
%20 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %19)
%21 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%22 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 6
%23 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %22)
%24 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%25 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 7
%26 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %25)
%27 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%28 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 8
%29 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %28)
%30 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%31 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 9
%32 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %31)
%33 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 10
%34 = load i32, i32* %33
%35 = icmp eq i32 %34, 0
br i1 %35, label %38, label %36
36: ; preds = %0
%37 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %34)
br label %38
38: ; preds = %36, %0
%39 = load i32, i32* %31
%40 = icmp eq i32 %39, 0
br i1 %40, label %43, label %41
41: ; preds = %38
%42 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %39)
br label %43
43: ; preds = %41, %38
%44 = load i32, i32* %28
%45 = icmp eq i32 %44, 0
br i1 %45, label %48, label %46
46: ; preds = %43
%47 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %44)
br label %48
48: ; preds = %46, %43
%49 = load i32, i32* %25
%50 = icmp eq i32 %49, 0
br i1 %50, label %53, label %51
51: ; preds = %48
%52 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %49)
br label %53
53: ; preds = %51, %48
%54 = load i32, i32* %22
%55 = icmp eq i32 %54, 0
br i1 %55, label %58, label %56
56: ; preds = %53
%57 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %54)
br label %58
58: ; preds = %56, %53
%59 = load i32, i32* %19
%60 = icmp eq i32 %59, 0
br i1 %60, label %63, label %61
61: ; preds = %58
%62 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %59)
br label %63
63: ; preds = %61, %58
%64 = load i32, i32* %16
%65 = icmp eq i32 %64, 0
br i1 %65, label %68, label %66
66: ; preds = %63
%67 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %64)
br label %68
68: ; preds = %66, %63
%69 = load i32, i32* %13
%70 = icmp eq i32 %69, 0
br i1 %70, label %73, label %71
71: ; preds = %68
%72 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %69)
br label %73
73: ; preds = %71, %68
%74 = load i32, i32* %10
%75 = icmp eq i32 %74, 0
br i1 %75, label %78, label %76
76: ; preds = %73
%77 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %74)
br label %78
78: ; preds = %76, %73
%79 = load i32, i32* %7
%80 = icmp eq i32 %79, 0
br i1 %80, label %83, label %81
81: ; preds = %78
%82 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %79)
br label %83
83: ; preds = %81, %78
%84 = load i32, i32* %4
%85 = icmp eq i32 %84, 0
br i1 %85, label %88, label %86
86: ; preds = %83
%87 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %84)
br label %88
88: ; preds = %83, %86
%89 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}