#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*/ f2(int);
int /*<<< orphan*/ printf(char *, int);
void f1(int i) {
  printf("%d\n", i);
  i = i + 2;
  printf("%d\n", i);
  i = i + 2;
  printf("%d\n", i);
  i = i + 2;
  printf("%d\n", i);
  f2(i);
}


x86 assembly (clang, -O0):
<f1>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xecb(%rip),%rdi
call   1040 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x2,%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xeb3(%rip),%rdi
call   1040 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x2,%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xe9b(%rip),%rdi
call   1040 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x2,%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xe83(%rip),%rdi
call   1040 <printf@plt>
mov    -0x4(%rbp),%edi
call   1030 <f2@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<f1>:
push   %r14
push   %rbx
push   %rax
mov    %edi,%ebx
lea    0xed3(%rip),%r14
mov    %r14,%rdi
mov    %ebx,%esi
call   1040 <printf@plt>
lea    0x2(%rbx),%esi
mov    %r14,%rdi
call   1040 <printf@plt>
lea    0x4(%rbx),%esi
mov    %r14,%rdi
call   1040 <printf@plt>
add    $0x6,%ebx
mov    %r14,%rdi
mov    %ebx,%esi
call   1040 <printf@plt>
mov    %ebx,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <f2@plt>

LLVM IR (-O0):
@.str = [4 x i8] c"%d\0A\00"
define void @f1(i32 %0) {
%2 = alloca i32
store i32 %0, i32* %2
%3 = load i32, i32* %2
%4 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = load i32, i32* %2
%6 = add nsw i32 %5, 2
store i32 %6, i32* %2
%7 = load i32, i32* %2
%8 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = load i32, i32* %2
%10 = add nsw i32 %9, 2
store i32 %10, i32* %2
%11 = load i32, i32* %2
%12 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %11)
%13 = load i32, i32* %2
%14 = add nsw i32 %13, 2
store i32 %14, i32* %2
%15 = load i32, i32* %2
%16 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %15)
%17 = load i32, i32* %2
%18 = call i32 @f2(i32 %17)
ret void
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d\0A\00"
define void @f1(i32 %0) {
%2 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %0)
%3 = add nsw i32 %0, 2
%4 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = add nsw i32 %0, 4
%6 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = add nsw i32 %0, 6
%8 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = tail call i32 @f2(i32 %7)
ret void
}