#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 count_print(void *in) {
  int i, j;
  i = *(int *)in;
  printf("I is %d\n", i);
  for (j = 0; j < i; j++)
    printf("%d ", j);
  printf("\n\n");
}


x86 assembly (clang, -O0):
<count_print>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rax
mov    (%rax),%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xed1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1168 <count_print+0x58>
mov    -0x10(%rbp),%esi
lea    0xeb6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    113d <count_print+0x2d>
lea    0xe9e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<count_print>:
push   %rbp
push   %r14
push   %rbx
mov    (%rdi),%ebx
lea    0xed3(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
test   %ebx,%ebx
jle    1163 <count_print+0x43>
lea    0xec8(%rip),%r14
xor    %ebp,%ebp
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    %r14,%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%ebp
cmp    %ebp,%ebx
jne    1150 <count_print+0x30>
lea    0xe9d(%rip),%rdi
pop    %rbx
pop    %r14
pop    %rbp
jmp    1030 <puts@plt>

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

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