#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 i;
  for (i = 'A'; i <= 'Z'; ++i)
    printf("%c", i);
  printf("\n");
  for (i = 'a'; i <= 'z'; ++i)
    printf("%c", i);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x41,-0x8(%rbp)
cmpl   $0x5a,-0x8(%rbp)
jg     114f <main+0x3f>
mov    -0x8(%rbp),%esi
lea    0xec6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
lea    0xead(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x61,-0x8(%rbp)
cmpl   $0x7a,-0x8(%rbp)
jg     118d <main+0x7d>
mov    -0x8(%rbp),%esi
lea    0xe88(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1164 <main+0x54>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
mov    $0x41,%edi
call   1030 <putchar@plt>
mov    $0x42,%edi
call   1030 <putchar@plt>
mov    $0x43,%edi
call   1030 <putchar@plt>
mov    $0x44,%edi
call   1030 <putchar@plt>
mov    $0x45,%edi
call   1030 <putchar@plt>
mov    $0x46,%edi
call   1030 <putchar@plt>
mov    $0x47,%edi
call   1030 <putchar@plt>
mov    $0x48,%edi
call   1030 <putchar@plt>
mov    $0x49,%edi
call   1030 <putchar@plt>
mov    $0x4a,%edi
call   1030 <putchar@plt>
mov    $0x4b,%edi
call   1030 <putchar@plt>
mov    $0x4c,%edi
call   1030 <putchar@plt>
mov    $0x4d,%edi
call   1030 <putchar@plt>
mov    $0x4e,%edi
call   1030 <putchar@plt>
mov    $0x4f,%edi
call   1030 <putchar@plt>
mov    $0x50,%edi
call   1030 <putchar@plt>
mov    $0x51,%edi
call   1030 <putchar@plt>
mov    $0x52,%edi
call   1030 <putchar@plt>
mov    $0x53,%edi
call   1030 <putchar@plt>
mov    $0x54,%edi
call   1030 <putchar@plt>
mov    $0x55,%edi
call   1030 <putchar@plt>
mov    $0x56,%edi
call   1030 <putchar@plt>
mov    $0x57,%edi
call   1030 <putchar@plt>
mov    $0x58,%edi
call   1030 <putchar@plt>
mov    $0x59,%edi
call   1030 <putchar@plt>
mov    $0x5a,%edi
call   1030 <putchar@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x61,%edi
call   1030 <putchar@plt>
mov    $0x62,%edi
call   1030 <putchar@plt>
mov    $0x63,%edi
call   1030 <putchar@plt>
mov    $0x64,%edi
call   1030 <putchar@plt>
mov    $0x65,%edi
call   1030 <putchar@plt>
mov    $0x66,%edi
call   1030 <putchar@plt>
mov    $0x67,%edi
call   1030 <putchar@plt>
mov    $0x68,%edi
call   1030 <putchar@plt>
mov    $0x69,%edi
call   1030 <putchar@plt>
mov    $0x6a,%edi
call   1030 <putchar@plt>
mov    $0x6b,%edi
call   1030 <putchar@plt>
mov    $0x6c,%edi
call   1030 <putchar@plt>
mov    $0x6d,%edi
call   1030 <putchar@plt>
mov    $0x6e,%edi
call   1030 <putchar@plt>
mov    $0x6f,%edi
call   1030 <putchar@plt>
mov    $0x70,%edi
call   1030 <putchar@plt>
mov    $0x71,%edi
call   1030 <putchar@plt>
mov    $0x72,%edi
call   1030 <putchar@plt>
mov    $0x73,%edi
call   1030 <putchar@plt>
mov    $0x74,%edi
call   1030 <putchar@plt>
mov    $0x75,%edi
call   1030 <putchar@plt>
mov    $0x76,%edi
call   1030 <putchar@plt>
mov    $0x77,%edi
call   1030 <putchar@plt>
mov    $0x78,%edi
call   1030 <putchar@plt>
mov    $0x79,%edi
call   1030 <putchar@plt>
mov    $0x7a,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%c\00"
@.str.1 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 65, i32* %2
br label %3
3: ; preds = %9, %0
%4 = load i32, i32* %2
%5 = icmp sle i32 %4, 90
br i1 %5, label %6, label %12
6: ; preds = %3
%7 = load i32, i32* %2
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 %7)
br label %9
9: ; preds = %6
%10 = load i32, i32* %2
%11 = add nsw i32 %10, 1
store i32 %11, i32* %2
br label %3
12: ; preds = %3
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32 97, i32* %2
br label %14
14: ; preds = %20, %12
%15 = load i32, i32* %2
%16 = icmp sle i32 %15, 122
br i1 %16, label %17, label %23
17: ; preds = %14
%18 = load i32, i32* %2
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %17
%21 = load i32, i32* %2
%22 = add nsw i32 %21, 1
store i32 %22, i32* %2
br label %14
23: ; preds = %14
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i32 @putchar(i32 65)
%2 = tail call i32 @putchar(i32 66)
%3 = tail call i32 @putchar(i32 67)
%4 = tail call i32 @putchar(i32 68)
%5 = tail call i32 @putchar(i32 69)
%6 = tail call i32 @putchar(i32 70)
%7 = tail call i32 @putchar(i32 71)
%8 = tail call i32 @putchar(i32 72)
%9 = tail call i32 @putchar(i32 73)
%10 = tail call i32 @putchar(i32 74)
%11 = tail call i32 @putchar(i32 75)
%12 = tail call i32 @putchar(i32 76)
%13 = tail call i32 @putchar(i32 77)
%14 = tail call i32 @putchar(i32 78)
%15 = tail call i32 @putchar(i32 79)
%16 = tail call i32 @putchar(i32 80)
%17 = tail call i32 @putchar(i32 81)
%18 = tail call i32 @putchar(i32 82)
%19 = tail call i32 @putchar(i32 83)
%20 = tail call i32 @putchar(i32 84)
%21 = tail call i32 @putchar(i32 85)
%22 = tail call i32 @putchar(i32 86)
%23 = tail call i32 @putchar(i32 87)
%24 = tail call i32 @putchar(i32 88)
%25 = tail call i32 @putchar(i32 89)
%26 = tail call i32 @putchar(i32 90)
%27 = tail call i32 @putchar(i32 10)
%28 = tail call i32 @putchar(i32 97)
%29 = tail call i32 @putchar(i32 98)
%30 = tail call i32 @putchar(i32 99)
%31 = tail call i32 @putchar(i32 100)
%32 = tail call i32 @putchar(i32 101)
%33 = tail call i32 @putchar(i32 102)
%34 = tail call i32 @putchar(i32 103)
%35 = tail call i32 @putchar(i32 104)
%36 = tail call i32 @putchar(i32 105)
%37 = tail call i32 @putchar(i32 106)
%38 = tail call i32 @putchar(i32 107)
%39 = tail call i32 @putchar(i32 108)
%40 = tail call i32 @putchar(i32 109)
%41 = tail call i32 @putchar(i32 110)
%42 = tail call i32 @putchar(i32 111)
%43 = tail call i32 @putchar(i32 112)
%44 = tail call i32 @putchar(i32 113)
%45 = tail call i32 @putchar(i32 114)
%46 = tail call i32 @putchar(i32 115)
%47 = tail call i32 @putchar(i32 116)
%48 = tail call i32 @putchar(i32 117)
%49 = tail call i32 @putchar(i32 118)
%50 = tail call i32 @putchar(i32 119)
%51 = tail call i32 @putchar(i32 120)
%52 = tail call i32 @putchar(i32 121)
%53 = tail call i32 @putchar(i32 122)
ret i32 0
}