#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);
void show_int_arr(int *xs, int n) {
  int i;
  for (i = 0; i != n; i++) {
    printf("%d, ", xs[i]);
  }
  printf("\nnum:%d\n", n);
}


x86 assembly (clang, -O0):
<show_int_arr>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
je     1157 <show_int_arr+0x47>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xebc(%rip),%rdi
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1126 <show_int_arr+0x16>
mov    -0xc(%rbp),%esi
lea    0xea4(%rip),%rdi
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<show_int_arr>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
mov    %esi,%r14d
test   %esi,%esi
je     1145 <show_int_arr+0x35>
mov    %rdi,%r12
mov    %r14d,%ebp
xor    %ebx,%ebx
lea    0xed2(%rip),%r15
xchg   %ax,%ax
mov    (%r12,%rbx,4),%esi
mov    %r15,%rdi
call   1030 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%rbp
jne    1130 <show_int_arr+0x20>
lea    0xeb9(%rip),%rdi
mov    %r14d,%esi
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <printf@plt>

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

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