#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*/ putchar(char);
int main(void) {
  char ch;
  for (ch = 'a'; ch <= 'z'; ch++) {
    if (ch != 'e' && ch != 'q') {
      putchar(ch);
    }
  }
  putchar('\n');
  return (0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movb   $0x61,-0x5(%rbp)
movsbl -0x5(%rbp),%eax
cmp    $0x7a,%eax
jg     1165 <main+0x55>
movsbl -0x5(%rbp),%eax
cmp    $0x65,%eax
je     1153 <main+0x43>
movsbl -0x5(%rbp),%eax
cmp    $0x71,%eax
je     1153 <main+0x43>
movsbl -0x5(%rbp),%edi
call   1030 <putchar@plt>
jmp    1158 <main+0x48>
mov    -0x5(%rbp),%al
add    $0x1,%al
mov    %al,-0x5(%rbp)
jmp    1123 <main+0x13>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
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    $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    $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>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
define i32 @main() {
%1 = alloca i32
%2 = alloca i8
store i32 0, i32* %1
store i8 97, i8* %2
br label %3
3: ; preds = %19, %0
%4 = load i8, i8* %2
%5 = sext i8 %4 to i32
%6 = icmp sle i32 %5, 122
br i1 %6, label %7, label %22
7: ; preds = %3
%8 = load i8, i8* %2
%9 = sext i8 %8 to i32
%10 = icmp ne i32 %9, 101
br i1 %10, label %11, label %18
11: ; preds = %7
%12 = load i8, i8* %2
%13 = sext i8 %12 to i32
%14 = icmp ne i32 %13, 113
br i1 %14, label %15, label %18
15: ; preds = %11
%16 = load i8, i8* %2
%17 = call i32 @putchar(i8 signext %16)
br label %18
18: ; preds = %15, %11, %7
br label %19
19: ; preds = %18
%20 = load i8, i8* %2
%21 = add i8 %20, 1
store i8 %21, i8* %2
br label %3
22: ; preds = %3
%23 = call i32 @putchar(i8 signext 10)
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i32 @putchar(i8 signext 97)
%2 = tail call i32 @putchar(i8 signext 98)
%3 = tail call i32 @putchar(i8 signext 99)
%4 = tail call i32 @putchar(i8 signext 100)
%5 = tail call i32 @putchar(i8 signext 102)
%6 = tail call i32 @putchar(i8 signext 103)
%7 = tail call i32 @putchar(i8 signext 104)
%8 = tail call i32 @putchar(i8 signext 105)
%9 = tail call i32 @putchar(i8 signext 106)
%10 = tail call i32 @putchar(i8 signext 107)
%11 = tail call i32 @putchar(i8 signext 108)
%12 = tail call i32 @putchar(i8 signext 109)
%13 = tail call i32 @putchar(i8 signext 110)
%14 = tail call i32 @putchar(i8 signext 111)
%15 = tail call i32 @putchar(i8 signext 112)
%16 = tail call i32 @putchar(i8 signext 114)
%17 = tail call i32 @putchar(i8 signext 115)
%18 = tail call i32 @putchar(i8 signext 116)
%19 = tail call i32 @putchar(i8 signext 117)
%20 = tail call i32 @putchar(i8 signext 118)
%21 = tail call i32 @putchar(i8 signext 119)
%22 = tail call i32 @putchar(i8 signext 120)
%23 = tail call i32 @putchar(i8 signext 121)
%24 = tail call i32 @putchar(i8 signext 122)
%25 = tail call i32 @putchar(i8 signext 10)
ret i32 0
}