#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 EXIT_SUCCESS;
int /*<<< orphan*/ printf(char *, int, int, int);
int main(void) {
  int mask = 1;
  for (int i = 0; i < 10; i++)
    printf("%d & mask(%d) = %d\n", i, mask, i & mask);
  return (EXIT_SUCCESS);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jge    115d <main+0x4d>
mov    -0xc(%rbp),%esi
mov    -0x8(%rbp),%edx
mov    -0xc(%rbp),%ecx
and    -0x8(%rbp),%ecx
lea    0xeb6(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    112d <main+0x1d>
mov    0x2e7c(%rip),%rax
mov    (%rax),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x1,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x1,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x1,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x1,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    $0x1,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
mov    $0x1,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
mov    $0x1,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
mov    $0x1,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x8,%esi
mov    $0x1,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
mov    $0x1,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    0x2ded(%rip),%rax
mov    (%rax),%eax
pop    %rbx
ret

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

LLVM IR (-O2):
@.str = [20 x i8] c"%d & mask(%d) = %d\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 0, i32 1, i32 0)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 1, i32 1, i32 1)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 2, i32 1, i32 0)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 3, i32 1, i32 1)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 4, i32 1, i32 0)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 5, i32 1, i32 1)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 6, i32 1, i32 0)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 7, i32 1, i32 1)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 8, i32 1, i32 0)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 9, i32 1, i32 1)
%11 = load i32, i32* @EXIT_SUCCESS
ret i32 %11
}