#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 hamming_weight(int);
int /*<<< orphan*/ printf(char *, int, int);
int main(void) {
  printf("hamming_weight(%d) -> %d\n", 1, hamming_weight(1));
  printf("hamming_weight(%d) -> %d\n", 2, hamming_weight(2));
  printf("hamming_weight(%d) -> %d\n", 3, hamming_weight(3));
  printf("hamming_weight(%d) -> %d\n", 4, hamming_weight(4));
  printf("hamming_weight(%d) -> %d\n", 5, hamming_weight(5));
  printf("hamming_weight(%d) -> %d\n", 6, hamming_weight(6));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x1,%edi
call   1040 <hamming_weight@plt>
mov    %eax,%edx
lea    0xebe(%rip),%rdi
mov    $0x1,%esi
call   1030 <printf@plt>
mov    $0x2,%edi
call   1040 <hamming_weight@plt>
mov    %eax,%edx
lea    0xea1(%rip),%rdi
mov    $0x2,%esi
call   1030 <printf@plt>
mov    $0x3,%edi
call   1040 <hamming_weight@plt>
mov    %eax,%edx
lea    0xe84(%rip),%rdi
mov    $0x3,%esi
call   1030 <printf@plt>
mov    $0x4,%edi
call   1040 <hamming_weight@plt>
mov    %eax,%edx
lea    0xe67(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
mov    $0x5,%edi
call   1040 <hamming_weight@plt>
mov    %eax,%edx
lea    0xe4a(%rip),%rdi
mov    $0x5,%esi
call   1030 <printf@plt>
mov    $0x6,%edi
call   1040 <hamming_weight@plt>
mov    %eax,%edx
lea    0xe2d(%rip),%rdi
mov    $0x6,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    $0x1,%edi
call   1040 <hamming_weight@plt>
lea    0xece(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
mov    %eax,%edx
call   1030 <printf@plt>
mov    $0x2,%edi
call   1040 <hamming_weight@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    %eax,%edx
call   1030 <printf@plt>
mov    $0x3,%edi
call   1040 <hamming_weight@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    %eax,%edx
call   1030 <printf@plt>
mov    $0x4,%edi
call   1040 <hamming_weight@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    %eax,%edx
call   1030 <printf@plt>
mov    $0x5,%edi
call   1040 <hamming_weight@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
mov    %eax,%edx
call   1030 <printf@plt>
mov    $0x6,%edi
call   1040 <hamming_weight@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
mov    %eax,%edx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [26 x i8] c"hamming_weight(%d) -> %d\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @hamming_weight(i32 1)
%3 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 1, i32 %2)
%4 = call i32 @hamming_weight(i32 2)
%5 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 2, i32 %4)
%6 = call i32 @hamming_weight(i32 3)
%7 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 3, i32 %6)
%8 = call i32 @hamming_weight(i32 4)
%9 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 4, i32 %8)
%10 = call i32 @hamming_weight(i32 5)
%11 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 5, i32 %10)
%12 = call i32 @hamming_weight(i32 6)
%13 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 6, i32 %12)
ret i32 0
}

LLVM IR (-O2):
@.str = [26 x i8] c"hamming_weight(%d) -> %d\0A\00"
define i32 @main() {
%1 = tail call i32 @hamming_weight(i32 1)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 1, i32 %1)
%3 = tail call i32 @hamming_weight(i32 2)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 2, i32 %3)
%5 = tail call i32 @hamming_weight(i32 3)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 3, i32 %5)
%7 = tail call i32 @hamming_weight(i32 4)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 4, i32 %7)
%9 = tail call i32 @hamming_weight(i32 5)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 5, i32 %9)
%11 = tail call i32 @hamming_weight(i32 6)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 6, i32 %11)
ret i32 0
}