#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 main() {
  printf("Greatest of 3 Numbers \n");
  printf("Ternary/Conditional Operator \n");
  printf("\n");
  int num1, num2, num3;
  printf("Num1 = ");
  scanf("%d", &num1);
  printf("Num2 = ");
  scanf("%d", &num2);
  printf("Num3 = ");
  scanf("%d", &num3);
  printf("\n");
  printf("Greatest Number = %d \n", ((num1 > num2) ? num1 : num2) > num3
                                        ? ((num1 > num2) ? num1 : num2)
                                        : num3);
  printf("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf15(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed1(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xec4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb3(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xeae(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe95(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xead(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jle    11d8 <main+0xb8>
mov    -0x8(%rbp),%eax
mov    %eax,-0x14(%rbp)
jmp    11de <main+0xbe>
mov    -0xc(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x10(%rbp),%eax
jle    1212 <main+0xf2>
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jle    1201 <main+0xe1>
mov    -0x8(%rbp),%eax
mov    %eax,-0x18(%rbp)
jmp    1207 <main+0xe7>
mov    -0xc(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x18(%rbp),%eax
mov    %eax,-0x1c(%rbp)
jmp    1218 <main+0xf8>
mov    -0x10(%rbp),%eax
mov    %eax,-0x1c(%rbp)
mov    -0x1c(%rbp),%esi
lea    0xe30(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe37(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xee6(%rip),%rdi
call   1040 <puts@plt>
lea    0xef1(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xe92(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xe8c(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0xe7b(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0xe68(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0xc(%rsp),%eax
mov    0x8(%rsp),%esi
cmp    %esi,%eax
cmovg  %eax,%esi
mov    0x4(%rsp),%eax
cmp    %eax,%esi
cmovle %eax,%esi
lea    0xe35(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [24 x i8] c"Greatest of 3 Numbers \0A\00"
@.str.1 = [31 x i8] c"Ternary/Conditional Operator \0A\00"
@.str.2 = [2 x i8] c"\0A\00"
@.str.3 = [8 x i8] c"Num1 = \00"
@.str.4 = [3 x i8] c"%d\00"
@.str.5 = [8 x i8] c"Num2 = \00"
@.str.6 = [8 x i8] c"Num3 = \00"
@.str.7 = [23 x i8] c"Greatest Number = %d \0A\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 ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0), i32* %2)
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0))
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0), i32* %3)
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0))
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0), i32* %4)
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%15 = load i32, i32* %2
%16 = load i32, i32* %3
%17 = icmp sgt i32 %15, %16
br i1 %17, label %18, label %20
18: ; preds = %0
%19 = load i32, i32* %2
br label %22
20: ; preds = %0
%21 = load i32, i32* %3
br label %22
22: ; preds = %20, %18
%23 = phi i32 [ %19, %18 ], [ %21, %20 ]
%24 = load i32, i32* %4
%25 = icmp sgt i32 %23, %24
br i1 %25, label %26, label %36
26: ; preds = %22
%27 = load i32, i32* %2
%28 = load i32, i32* %3
%29 = icmp sgt i32 %27, %28
br i1 %29, label %30, label %32
30: ; preds = %26
%31 = load i32, i32* %2
br label %34
32: ; preds = %26
%33 = load i32, i32* %3
br label %34
34: ; preds = %32, %30
%35 = phi i32 [ %31, %30 ], [ %33, %32 ]
br label %38
36: ; preds = %22
%37 = load i32, i32* %4
br label %38
38: ; preds = %36, %34
%39 = phi i32 [ %35, %34 ], [ %37, %36 ]
%40 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0), i32 %39)
%41 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.3 = [8 x i8] c"Num1 = \00"
@.str.4 = [3 x i8] c"%d\00"
@.str.5 = [8 x i8] c"Num2 = \00"
@.str.6 = [8 x i8] c"Num3 = \00"
@.str.7 = [23 x i8] c"Greatest Number = %d \0A\00"
@str = [23 x i8] c"Greatest of 3 Numbers \00"
@str.8 = [30 x i8] c"Ternary/Conditional Operator \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @putchar(i32 10)
%7 = bitcast i32* %1 to i8*
%8 = bitcast i32* %2 to i8*
%9 = bitcast i32* %3 to i8*
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0), i32* %1)
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0))
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0), i32* %2)
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0))
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0), i32* %3)
%16 = call i32 @putchar(i32 10)
%17 = load i32, i32* %1
%18 = load i32, i32* %2
%19 = icmp sgt i32 %17, %18
%20 = select i1 %19, i32 %17, i32 %18
%21 = load i32, i32* %3
%22 = icmp sgt i32 %20, %21
%23 = select i1 %22, i32 %20, i32 %21
%24 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0), i32 %23)
%25 = call i32 @putchar(i32 10)
ret i32 0
}