#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 *);
int main() {
  int a, b, c;
  printf("\nEnter three numbers\n");
  scanf("%d%d%d", &a, &b, &c);
  if (a > b) {
    if (a > c)
      printf("\n%d is largest", a);
  } else if (b > a && b > c)
    printf("\n%d is largest", b);
  else
    printf("%d is largest", c);
  return 0;
}


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    0xed2(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
lea    -0x10(%rbp),%rcx
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jle    1183 <main+0x63>
mov    -0x8(%rbp),%eax
cmp    -0x10(%rbp),%eax
jle    117e <main+0x5e>
mov    -0x8(%rbp),%esi
lea    0xea6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11c7 <main+0xa7>
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jle    11b1 <main+0x91>
mov    -0xc(%rbp),%eax
cmp    -0x10(%rbp),%eax
jle    11b1 <main+0x91>
mov    -0xc(%rbp),%esi
lea    0xe78(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11c2 <main+0xa2>
mov    -0x10(%rbp),%esi
lea    0xe63(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11c7 <main+0xa7>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xedb(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb9(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0x10(%rsp),%rdx
lea    0xc(%rsp),%rcx
call   1050 <scanf@plt>
mov    0x14(%rsp),%eax
mov    0x10(%rsp),%esi
cmp    %esi,%eax
jle    1176 <main+0x46>
cmp    0xc(%rsp),%eax
jle    1199 <main+0x69>
lea    0xe93(%rip),%rdi
jmp    1190 <main+0x60>
mov    0xc(%rsp),%eax
jge    1189 <main+0x59>
cmp    %eax,%esi
jle    1189 <main+0x59>
lea    0xe80(%rip),%rdi
jmp    1192 <main+0x62>
lea    0xe78(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [22 x i8] c"\0AEnter three numbers\0A\00"
@.str.1 = [7 x i8] c"%d%d%d\00"
@.str.2 = [15 x i8] c"\0A%d is largest\00"
@.str.3 = [14 x i8] c"%d is largest\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i32* %2, i32* %3, i32* %4)
%7 = load i32, i32* %2
%8 = load i32, i32* %3
%9 = icmp sgt i32 %7, %8
br i1 %9, label %10, label %18
10: ; preds = %0
%11 = load i32, i32* %2
%12 = load i32, i32* %4
%13 = icmp sgt i32 %11, %12
br i1 %13, label %14, label %17
14: ; preds = %10
%15 = load i32, i32* %2
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 %15)
br label %17
17: ; preds = %14, %10
br label %33
18: ; preds = %0
%19 = load i32, i32* %3
%20 = load i32, i32* %2
%21 = icmp sgt i32 %19, %20
br i1 %21, label %22, label %29
22: ; preds = %18
%23 = load i32, i32* %3
%24 = load i32, i32* %4
%25 = icmp sgt i32 %23, %24
br i1 %25, label %26, label %29
26: ; preds = %22
%27 = load i32, i32* %3
%28 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 %27)
br label %32
29: ; preds = %22, %18
%30 = load i32, i32* %4
%31 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), i32 %30)
br label %32
32: ; preds = %29, %26
br label %33
33: ; preds = %32, %17
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [7 x i8] c"%d%d%d\00"
@.str.2 = [15 x i8] c"\0A%d is largest\00"
@.str.3 = [14 x i8] c"%d is largest\00"
@str = [21 x i8] c"\0AEnter three numbers\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = bitcast i32* %1 to i8*
%5 = bitcast i32* %2 to i8*
%6 = bitcast i32* %3 to i8*
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i32* %1, i32* %2, i32* %3)
%9 = load i32, i32* %1
%10 = load i32, i32* %2
%11 = icmp sgt i32 %9, %10
br i1 %11, label %12, label %17
12: ; preds = %0
%13 = load i32, i32* %3
%14 = icmp sgt i32 %9, %13
br i1 %14, label %15, label %26
15: ; preds = %12
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 %9)
br label %26
17: ; preds = %0
%18 = icmp sgt i32 %10, %9
%19 = load i32, i32* %3
%20 = icmp sgt i32 %10, %19
%21 = select i1 %18, i1 %20, i1 false
br i1 %21, label %22, label %24
22: ; preds = %17
%23 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 %10)
br label %26
24: ; preds = %17
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), i32 %19)
br label %26
26: ; preds = %22, %24, %12, %15
ret i32 0
}