#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 main(int argc, char *argv[]) {
  int distance = 100;
  char msg[] = "Hello";
  printf("You are %d miles away!\n", distance);
  printf("%s\n", msg);
  for (int i = 0; i < 5; i++) {
    printf("%02x ", msg[i]);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x64,-0x14(%rbp)
mov    0xecd(%rip),%eax
mov    %eax,-0x1a(%rbp)
mov    0xec7(%rip),%ax
mov    %ax,-0x16(%rbp)
mov    -0x14(%rbp),%esi
lea    0xebb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x1a(%rbp),%rsi
lea    0xec1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x20(%rbp)
cmpl   $0x5,-0x20(%rbp)
jge    119a <main+0x8a>
movslq -0x20(%rbp),%rax
movsbl -0x1a(%rbp,%rax,1),%esi
lea    0xe9d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x20(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x20(%rbp)
jmp    116b <main+0x5b>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
movw   $0x6f,0xc(%rsp)
movl   $0x6c6c6548,0x8(%rsp)
6c
lea    0xecb(%rip),%rdi
mov    $0x64,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rdi
call   1030 <puts@plt>
lea    0xec6(%rip),%rbx
mov    %rbx,%rdi
mov    $0x48,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x65,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x6c,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x6c,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x6f,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.msg = [6 x i8] c"Hello\00"
@.str = [24 x i8] c"You are %d miles away!\0A\00"
@.str.1 = [4 x i8] c"%s\0A\00"
@.str.2 = [6 x i8] c"%02x \00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca [6 x i8]
%8 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 100, i32* %6
%9 = bitcast [6 x i8]* %7 to i8*
%10 = load i32, i32* %6
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 %10)
%12 = getelementptr inbounds [6 x i8], [6 x i8]* %7, i64 0, i64 0
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i8* %12)
store i32 0, i32* %8
br label %14
14: ; preds = %24, %2
%15 = load i32, i32* %8
%16 = icmp slt i32 %15, 5
br i1 %16, label %17, label %27
17: ; preds = %14
%18 = load i32, i32* %8
%19 = sext i32 %18 to i64
%20 = getelementptr inbounds [6 x i8], [6 x i8]* %7, i64 0, i64 %19
%21 = load i8, i8* %20
%22 = sext i8 %21 to i32
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %22)
br label %24
24: ; preds = %17
%25 = load i32, i32* %8
%26 = add nsw i32 %25, 1
store i32 %26, i32* %8
br label %14
27: ; preds = %14
ret i32 0
}

LLVM IR (-O2):
@__const.main.msg = [6 x i8] c"Hello\00"
@.str = [24 x i8] c"You are %d miles away!\0A\00"
@.str.2 = [6 x i8] c"%02x \00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca [6 x i8]
%4 = getelementptr inbounds [6 x i8], [6 x i8]* %3, i64 0, i64 0
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 100)
%6 = call i32 @puts(i8* %4)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 72)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 101)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 108)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 108)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 111)
ret i32 0
}