#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 display(int a[], int n) {
  int i = 0;
  if (n <= 0) {
    printf("empty\n");
    return;
  }
  for (i = 0; i < n; i++) {
    printf("%d", a[i]);
    if (i < n - 1) {
      printf(" ");
    }
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<display>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
cmpl   $0x0,-0xc(%rbp)
jg     1143 <display+0x33>
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11af <display+0x9f>
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11a1 <display+0x91>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe9f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
mov    -0xc(%rbp),%ecx
sub    $0x1,%ecx
cmp    %ecx,%eax
jge    118e <display+0x7e>
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1193 <display+0x83>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    114a <display+0x3a>
lea    0xe5d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<display>:
test   %esi,%esi
jle    119b <display+0x6b>
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
mov    %rdi,%r15
lea    -0x1(%rsi),%r12d
mov    %esi,%r13d
lea    0xeb2(%rip),%r14
xor    %ebx,%ebx
jmp    1169 <display+0x39>
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
add    $0x1,%rbx
cmp    %rbx,%r13
je     1188 <display+0x58>
mov    (%r15,%rbx,4),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
cmp    %r12,%rbx
jae    1160 <display+0x30>
mov    $0x20,%edi
call   1030 <putchar@plt>
jmp    1160 <display+0x30>
mov    $0xa,%edi
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
jmp    1030 <putchar@plt>
lea    0xe61(%rip),%rdi
jmp    1040 <puts@plt>

LLVM IR (-O0):
@.str = [7 x i8] c"empty\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [2 x i8] c" \00"
@.str.3 = [2 x i8] c"\0A\00"
define void @display(i32* %0, i32 %1) {
%3 = alloca i32*
%4 = alloca i32
%5 = alloca i32
store i32* %0, i32** %3
store i32 %1, i32* %4
store i32 0, i32* %5
%6 = load i32, i32* %4
%7 = icmp sle i32 %6, 0
br i1 %7, label %8, label %10
8: ; preds = %2
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
br label %34
10: ; preds = %2
store i32 0, i32* %5
br label %11
11: ; preds = %29, %10
%12 = load i32, i32* %5
%13 = load i32, i32* %4
%14 = icmp slt i32 %12, %13
br i1 %14, label %15, label %32
15: ; preds = %11
%16 = load i32*, i32** %3
%17 = load i32, i32* %5
%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 ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %20)
%22 = load i32, i32* %5
%23 = load i32, i32* %4
%24 = sub nsw i32 %23, 1
%25 = icmp slt i32 %22, %24
br i1 %25, label %26, label %28
26: ; preds = %15
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
br label %28
28: ; preds = %26, %15
br label %29
29: ; preds = %28
%30 = load i32, i32* %5
%31 = add nsw i32 %30, 1
store i32 %31, i32* %5
br label %11
32: ; preds = %11
%33 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
br label %34
34: ; preds = %32, %8
ret void
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@str = [6 x i8] c"empty\00"
define void @display(i32* nocapture %0, i32 %1) {
%3 = icmp slt i32 %1, 1
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = add nsw i32 %1, -1
%6 = zext i32 %5 to i64
%7 = zext i32 %1 to i64
br label %10
8: ; preds = %2
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @str, i64 0, i64 0))
br label %23
10: ; preds = %4, %18
%11 = phi i64 [ 0, %4 ], [ %19, %18 ]
%12 = getelementptr inbounds i32, i32* %0, i64 %11
%13 = load i32, i32* %12
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %13)
%15 = icmp ult i64 %11, %6
br i1 %15, label %16, label %18
16: ; preds = %10
%17 = tail call i32 @putchar(i32 32)
br label %18
18: ; preds = %10, %16
%19 = add nuw nsw i64 %11, 1
%20 = icmp eq i64 %19, %7
br i1 %20, label %21, label %10
21: ; preds = %18
%22 = tail call i32 @putchar(i32 10)
br label %23
23: ; preds = %21, %8
ret void
}