#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 /*<<< orphan*/ scanf(char *, char *);
main() {
  char g;
  printf("Enter the character");
  scanf("%c", &g);
  if ((g >= 65) && (g <= 90))
    printf("The entered character is in uppercase");
  else
    printf("The entered character is in lower case");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
call   1030 <printf@plt>
lea    0xed2(%rip),%rdi
lea    -0x5(%rbp),%rsi
call   1040 <scanf@plt>
movsbl -0x5(%rbp),%eax
cmp    $0x41,%eax
jl     1176 <main+0x56>
movsbl -0x5(%rbp),%eax
cmp    $0x5a,%eax
jg     1176 <main+0x56>
lea    0xeab(%rip),%rdi
call   1030 <printf@plt>
jmp    1182 <main+0x62>
lea    0xec0(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <printf@plt>
lea    0xee0(%rip),%rdi
lea    0x7(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x7(%rsp),%al
add    $0xbf,%al
cmp    $0x1a,%al
lea    0xeca(%rip),%rax
lea    0xee9(%rip),%rdi
cmovb  %rax,%rdi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"Enter the character\00"
@.str.1 = [3 x i8] c"%c\00"
@.str.2 = [38 x i8] c"The entered character is in uppercase\00"
@.str.3 = [39 x i8] c"The entered character is in lower case\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8
store i32 0, i32* %1
%3 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %2)
%5 = load i8, i8* %2
%6 = sext i8 %5 to i32
%7 = icmp sge i32 %6, 65
br i1 %7, label %8, label %14
8: ; preds = %0
%9 = load i8, i8* %2
%10 = sext i8 %9 to i32
%11 = icmp sle i32 %10, 90
br i1 %11, label %12, label %14
12: ; preds = %8
%13 = call i32 @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.2, i64 0, i64 0))
br label %16
14: ; preds = %8, %0
%15 = call i32 @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.3, i64 0, i64 0))
br label %16
16: ; preds = %14, %12
ret i32 0
}

LLVM IR (-O2):
@.str = [20 x i8] c"Enter the character\00"
@.str.1 = [3 x i8] c"%c\00"
@.str.2 = [38 x i8] c"The entered character is in uppercase\00"
@.str.3 = [39 x i8] c"The entered character is in lower case\00"
define i32 @main() {
%1 = alloca i8
%2 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %1)
%4 = load i8, i8* %1
%5 = add i8 %4, -65
%6 = icmp ult i8 %5, 26
%7 = select i1 %6, i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.3, i64 0, i64 0)
%8 = call i32 @printf(i8* dereferenceable(1) %7)
ret i32 0
}