#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);
int /*<<< orphan*/ scanf(char *, int *, int *, int *);
int main() {
  int a, b, c;
  scanf("%d%d%d", &a, &b, &c);
  if (a > b && a > c)
    printf("%d is largest number", a);
  else if (b > a && b > c)
    printf("%d is largest number", b);
  else
    printf("%d is largest number", c);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%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    1173 <main+0x53>
mov    -0x8(%rbp),%eax
cmp    -0x10(%rbp),%eax
jle    1173 <main+0x53>
mov    -0x8(%rbp),%esi
lea    0xe9e(%rip),%rdi
call   1030 <printf@plt>
jmp    11b3 <main+0x93>
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jle    119f <main+0x7f>
mov    -0xc(%rbp),%eax
cmp    -0x10(%rbp),%eax
jle    119f <main+0x7f>
mov    -0xc(%rbp),%esi
lea    0xe72(%rip),%rdi
call   1030 <printf@plt>
jmp    11ae <main+0x8e>
mov    -0x10(%rbp),%esi
lea    0xe5e(%rip),%rdi
call   1030 <printf@plt>
jmp    11b3 <main+0x93>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xed5(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0x10(%rsp),%rdx
lea    0xc(%rsp),%rcx
call   1040 <scanf@plt>
mov    0x10(%rsp),%eax
mov    0xc(%rsp),%ecx
cmp    %ecx,%eax
mov    %ecx,%edx
cmovg  %eax,%edx
mov    0x14(%rsp),%edi
cmp    %edi,%eax
cmovle %ecx,%edx
cmp    %ecx,%edi
mov    %edx,%esi
cmovg  %edi,%esi
cmp    %eax,%edi
cmovle %edx,%esi
lea    0xe9d(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

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

LLVM IR (-O2):
@.str = [7 x i8] c"%d%d%d\00"
@.str.1 = [21 x i8] c"%d is largest number\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 = call i32 @scanf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i32* %1, i32* %2, i32* %3)
%8 = load i32, i32* %1
%9 = load i32, i32* %2
%10 = icmp sgt i32 %8, %9
%11 = load i32, i32* %3
%12 = icmp sgt i32 %8, %11
%13 = select i1 %10, i1 %12, i1 false
%14 = icmp sgt i32 %9, %8
%15 = icmp sgt i32 %9, %11
%16 = select i1 %14, i1 %15, i1 false
%17 = select i1 %16, i32 %9, i32 %11
%18 = select i1 %13, i32 %8, i32 %17
%19 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i64 0, i64 0), i32 %18)
ret i32 0
}