#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 getchar();
int /*<<< orphan*/ getter();
int /*<<< orphan*/ printf(char *, ...);
int main(void) {
  int i;
  printf("Main:\n");
  for (i = 0; i < 5; ++i)
    printf("\t%c\n", getchar());
  getter();
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x5,-0x8(%rbp)
jge    1183 <main+0x53>
mov    $0x0,%al
call   1040 <getchar@plt>
mov    %eax,%esi
lea    0xe99(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1154 <main+0x24>
mov    $0x0,%al
call   1050 <getter@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xebd(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
lea    0xea5(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
mov    %rbx,%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
mov    %rbx,%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
mov    %rbx,%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
mov    %rbx,%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
call   1060 <getter@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [7 x i8] c"Main:\0A\00"
@.str.1 = [5 x i8] c"\09%c\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %2
br label %4
4: ; preds = %10, %0
%5 = load i32, i32* %2
%6 = icmp slt i32 %5, 5
br i1 %6, label %7, label %13
7: ; preds = %4
%8 = call i32 (...) @getchar()
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %8)
br label %10
10: ; preds = %7
%11 = load i32, i32* %2
%12 = add nsw i32 %11, 1
store i32 %12, i32* %2
br label %4
13: ; preds = %4
%14 = call i32 (...) @getter()
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [5 x i8] c"\09%c\0A\00"
@str = [6 x i8] c"Main:\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 (...) @getchar()
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %2)
%4 = tail call i32 (...) @getchar()
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %4)
%6 = tail call i32 (...) @getchar()
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %6)
%8 = tail call i32 (...) @getchar()
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %8)
%10 = tail call i32 (...) @getchar()
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %10)
%12 = tail call i32 (...) @getter()
ret i32 0
}