#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, int);
int main() {
  int i;
  for (i = 1; i < 10; i++)
    printf("i: %d, LOWBIT(i): %d\n", i, i & (-i));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0x8(%rbp)
cmpl   $0xa,-0x8(%rbp)
jge    1157 <main+0x47>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%edx
xor    %eax,%eax
sub    -0x8(%rbp),%eax
and    %eax,%edx
lea    0xebc(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x2,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    $0x4,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
mov    $0x2,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x8,%esi
mov    $0x8,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [22 x i8] c"i: %d, LOWBIT(i): %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 1, i32* %2
br label %3
3: ; preds = %13, %0
%4 = load i32, i32* %2
%5 = icmp slt i32 %4, 10
br i1 %5, label %6, label %16
6: ; preds = %3
%7 = load i32, i32* %2
%8 = load i32, i32* %2
%9 = load i32, i32* %2
%10 = sub nsw i32 0, %9
%11 = and i32 %8, %10
%12 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 %7, i32 %11)
br label %13
13: ; preds = %6
%14 = load i32, i32* %2
%15 = add nsw i32 %14, 1
store i32 %15, i32* %2
br label %3
16: ; preds = %3
ret i32 0
}

LLVM IR (-O2):
@.str = [22 x i8] c"i: %d, LOWBIT(i): %d\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 1, i32 1)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 2, i32 2)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 3, i32 1)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 4, i32 4)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 5, i32 1)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 6, i32 2)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 7, i32 1)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 8, i32 8)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 9, i32 1)
ret i32 0
}