#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 print(int v[], int n, char mens[]) {
  int i;
  printf("%s\n", mens);
  for (i = 0; i < n; i++) {
    printf("%d ", v[i]);
    if (i % 20 == 0)
      printf("\n");
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<print>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    %rdx,-0x18(%rbp)
mov    -0x18(%rbp),%rsi
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1196 <print+0x86>
mov    -0x8(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xeaa(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x1c(%rbp),%eax
mov    $0x14,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    1183 <print+0x73>
lea    0xe86(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1188 <print+0x78>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    113c <print+0x2c>
lea    0xe65(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %esi,%ebp
mov    %rdi,%r12
mov    %rdx,%rdi
call   1040 <puts@plt>
test   %ebp,%ebp
jle    11a9 <print+0x79>
mov    %ebp,%r13d
shl    $0x2,%r13
xor    %ebx,%ebx
xor    %ebp,%ebp
xor    %r15d,%r15d
jmp    116f <print+0x3f>
nopl   0x0(%rax)
add    $0x4,%r15
add    $0xffffffff,%ebp
add    $0x1,%ebx
cmp    %r15,%r13
je     11a9 <print+0x79>
mov    %ebx,%eax
mov    $0xcccccccd,%ecx
imul   %rcx,%rax
shr    $0x24,%rax
lea    (%rax,%rax,4),%r14d
shl    $0x2,%r14d
mov    (%r12,%r15,1),%esi
lea    0xe6f(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
add    %ebp,%r14d
jne    1160 <print+0x30>
mov    $0xa,%edi
call   1030 <putchar@plt>
jmp    1160 <print+0x30>
mov    $0xa,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [4 x i8] c"%s\0A\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [2 x i8] c"\0A\00"
define void @print(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
%8 = load i8*, i8** %6
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* %8)
store i32 0, i32* %7
br label %10
10: ; preds = %27, %3
%11 = load i32, i32* %7
%12 = load i32, i32* %5
%13 = icmp slt i32 %11, %12
br i1 %13, label %14, label %30
14: ; preds = %10
%15 = load i32*, i32** %4
%16 = load i32, i32* %7
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds i32, i32* %15, i64 %17
%19 = load i32, i32* %18
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %19)
%21 = load i32, i32* %7
%22 = srem i32 %21, 20
%23 = icmp eq i32 %22, 0
br i1 %23, label %24, label %26
24: ; preds = %14
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
br label %26
26: ; preds = %24, %14
br label %27
27: ; preds = %26
%28 = load i32, i32* %7
%29 = add nsw i32 %28, 1
store i32 %29, i32* %7
br label %10
30: ; preds = %10
%31 = 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.1 = [4 x i8] c"%d \00"
define void @print(i32* nocapture %0, i32 %1, i8* nocapture %2) {
%4 = tail call i32 @puts(i8* dereferenceable(1) %2)
%5 = icmp sgt i32 %1, 0
br i1 %5, label %6, label %21
6: ; preds = %3
%7 = zext i32 %1 to i64
br label %8
8: ; preds = %6, %18
%9 = phi i64 [ 0, %6 ], [ %19, %18 ]
%10 = getelementptr inbounds i32, i32* %0, i64 %9
%11 = load i32, i32* %10
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %11)
%13 = trunc i64 %9 to i32
%14 = urem i32 %13, 20
%15 = icmp eq i32 %14, 0
br i1 %15, label %16, label %18
16: ; preds = %8
%17 = tail call i32 @putchar(i32 10)
br label %18
18: ; preds = %8, %16
%19 = add nuw nsw i64 %9, 1
%20 = icmp eq i64 %19, %7
br i1 %20, label %21, label %8
21: ; preds = %18, %3
%22 = tail call i32 @putchar(i32 10)
ret void
}