#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 main() {
  void sort(int *p, int m);
  int i, n;
  int *p, num[20];
  printf("input n:");
  scanf("%d", &n);
  printf("Please input these numbers:\n");
  for (i = 0; i < n; i++) {
    scanf("%d", &num[i]);
  }
  p = num;
  sort(p, n);
  printf("Now,the sequence is :\n");
  for (i = 0; i < n; i++) {
    printf("%d,%d\n", i, num[i]);
  }
  printf("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x70,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb5(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xea8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11a7 <main+0x77>
movslq -0x8(%rbp),%rax
lea    -0x70(%rbp),%rsi
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe75(%rip),%rdi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1172 <main+0x42>
lea    -0x70(%rbp),%rax
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
mov    -0xc(%rbp),%esi
call   1040 <sort@plt>
lea    0xe67(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1203 <main+0xd3>
mov    -0x8(%rbp),%esi
movslq -0x8(%rbp),%rax
mov    -0x70(%rbp,%rax,4),%edx
lea    0xe52(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    11d0 <main+0xa0>
lea    0xe34(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x70,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x60,%rsp
lea    0xea0(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xe9b(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1070 <scanf@plt>
lea    0xe94(%rip),%rdi
call   1040 <puts@plt>
mov    0xc(%rsp),%esi
test   %esi,%esi
jle    11bd <main+0x6d>
lea    0x10(%rsp),%r15
xor    %ebx,%ebx
lea    0xe6f(%rip),%r14
nopw   0x0(%rax,%rax,1)
mov    %r14,%rdi
mov    %r15,%rsi
call   1070 <scanf@plt>
add    $0x1,%rbx
movslq 0xc(%rsp),%rsi
add    $0x4,%r15
cmp    %rsi,%rbx
jl     11a0 <main+0x50>
lea    0x10(%rsp),%rdi
call   1060 <sort@plt>
lea    0xe61(%rip),%rdi
call   1040 <puts@plt>
cmpl   $0x0,0xc(%rsp)
jle    120e <main+0xbe>
lea    0xe2b(%rip),%r14
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    0x10(%rsp,%rbx,4),%edx
mov    %r14,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1050 <printf@plt>
add    $0x1,%rbx
movslq 0xc(%rsp),%rax
cmp    %rax,%rbx
jl     11f0 <main+0xa0>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x60,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [9 x i8] c"input n:\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [29 x i8] c"Please input these numbers:\0A\00"
@.str.3 = [23 x i8] c"Now,the sequence is :\0A\00"
@.str.4 = [7 x i8] c"%d,%d\0A\00"
@.str.5 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32*
%5 = alloca [20 x i32]
store i32 0, i32* %1
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.2, i64 0, i64 0))
store i32 0, i32* %2
br label %9
9: ; preds = %18, %0
%10 = load i32, i32* %2
%11 = load i32, i32* %3
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %21
13: ; preds = %9
%14 = load i32, i32* %2
%15 = sext i32 %14 to i64
%16 = getelementptr inbounds [20 x i32], [20 x i32]* %5, i64 0, i64 %15
%17 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %16)
br label %18
18: ; preds = %13
%19 = load i32, i32* %2
%20 = add nsw i32 %19, 1
store i32 %20, i32* %2
br label %9
21: ; preds = %9
%22 = getelementptr inbounds [20 x i32], [20 x i32]* %5, i64 0, i64 0
store i32* %22, i32** %4
%23 = load i32*, i32** %4
%24 = load i32, i32* %3
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0))
store i32 0, i32* %2
br label %26
26: ; preds = %37, %21
%27 = load i32, i32* %2
%28 = load i32, i32* %3
%29 = icmp slt i32 %27, %28
br i1 %29, label %30, label %40
30: ; preds = %26
%31 = load i32, i32* %2
%32 = load i32, i32* %2
%33 = sext i32 %32 to i64
%34 = getelementptr inbounds [20 x i32], [20 x i32]* %5, i64 0, i64 %33
%35 = load i32, i32* %34
%36 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0), i32 %31, i32 %35)
br label %37
37: ; preds = %30
%38 = load i32, i32* %2
%39 = add nsw i32 %38, 1
store i32 %39, i32* %2
br label %26
40: ; preds = %26
%41 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [9 x i8] c"input n:\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.4 = [7 x i8] c"%d,%d\0A\00"
@str = [28 x i8] c"Please input these numbers:\00"
@str.6 = [22 x i8] c"Now,the sequence is :\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [20 x i32]
%3 = bitcast i32* %1 to i8*
%4 = bitcast [20 x i32]* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%7 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str, i64 0, i64 0))
%8 = load i32, i32* %1
%9 = icmp sgt i32 %8, 0
br i1 %9, label %10, label %18
10: ; preds = %0, %10
%11 = phi i64 [ %14, %10 ], [ 0, %0 ]
%12 = getelementptr inbounds [20 x i32], [20 x i32]* %2, i64 0, i64 %11
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %12)
%14 = add nuw nsw i64 %11, 1
%15 = load i32, i32* %1
%16 = sext i32 %15 to i64
%17 = icmp slt i64 %14, %16
br i1 %17, label %10, label %18
18: ; preds = %10, %0
%19 = phi i32 [ %8, %0 ], [ %15, %10 ]
%20 = getelementptr inbounds [20 x i32], [20 x i32]* %2, i64 0, i64 0
%21 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.6, i64 0, i64 0))
%22 = load i32, i32* %1
%23 = icmp sgt i32 %22, 0
br i1 %23, label %24, label %34
24: ; preds = %18, %24
%25 = phi i64 [ %30, %24 ], [ 0, %18 ]
%26 = getelementptr inbounds [20 x i32], [20 x i32]* %2, i64 0, i64 %25
%27 = load i32, i32* %26
%28 = trunc i64 %25 to i32
%29 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0), i32 %28, i32 %27)
%30 = add nuw nsw i64 %25, 1
%31 = load i32, i32* %1
%32 = sext i32 %31 to i64
%33 = icmp slt i64 %30, %32
br i1 %33, label %24, label %34
34: ; preds = %24, %18
%35 = call i32 @putchar(i32 10)
ret i32 0
}