#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 *, int *, int *);
int main() {
  int num1, num2;
  printf("Enter two numbers: ");
  scanf("%d %d", &num1, &num2);
  if (num1 > num2)
    printf("%d is greater than %d\n", num1, num2);
  else
    printf("%d is greater than %d\n", num2, num1);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed0(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jle    1176 <main+0x56>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xeb0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    118a <main+0x6a>
mov    -0xc(%rbp),%esi
mov    -0x8(%rbp),%edx
lea    0xe97(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xede(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1040 <scanf@plt>
mov    0x4(%rsp),%edx
mov    (%rsp),%eax
lea    0xec9(%rip),%rdi
cmp    %eax,%edx
jle    115b <main+0x3b>
mov    %edx,%esi
mov    %eax,%edx
jmp    115d <main+0x3d>
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"Enter two numbers: \00"
@.str.1 = [6 x i8] c"%d %d\00"
@.str.2 = [23 x i8] c"%d is greater than %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %2, i32* %3)
%6 = load i32, i32* %2
%7 = load i32, i32* %3
%8 = icmp sgt i32 %6, %7
br i1 %8, label %9, label %13
9: ; preds = %0
%10 = load i32, i32* %2
%11 = load i32, i32* %3
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0), i32 %10, i32 %11)
br label %17
13: ; preds = %0
%14 = load i32, i32* %3
%15 = load i32, i32* %2
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0), i32 %14, i32 %15)
br label %17
17: ; preds = %13, %9
%18 = load i32, i32* %1
ret i32 %18
}

LLVM IR (-O2):
@.str = [20 x i8] c"Enter two numbers: \00"
@.str.1 = [6 x i8] c"%d %d\00"
@.str.2 = [23 x i8] c"%d is greater than %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %1, i32* %2)
%7 = load i32, i32* %1
%8 = load i32, i32* %2
%9 = icmp sgt i32 %7, %8
br i1 %9, label %10, label %12
10: ; preds = %0
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0), i32 %7, i32 %8)
br label %14
12: ; preds = %0
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0), i32 %8, i32 %7)
br label %14
14: ; preds = %12, %10
ret i32 0
}