#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 *);
int main() {
  int int1, int2, int3, int4, tmp;
  printf("Please enter 4 numbers separated by space > ");
  scanf("%i%i%i%i", &int1, &int2, &int3, &int4);
  tmp = int1;
  if (int1 > int2)
    tmp = int2;
  else if (tmp > int3)
    tmp = int3;
  else if (tmp > int4)
    tmp = int4;
  printf("%i is the smallest\n", tmp);
  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    0xee9(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
lea    -0x10(%rbp),%rcx
lea    -0x14(%rbp),%r8
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jle    1176 <main+0x56>
mov    -0xc(%rbp),%eax
mov    %eax,-0x18(%rbp)
jmp    11a9 <main+0x89>
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jle    118d <main+0x6d>
mov    -0x10(%rbp),%eax
mov    %eax,-0x18(%rbp)
jmp    11a4 <main+0x84>
mov    -0x18(%rbp),%eax
cmp    -0x14(%rbp),%eax
jle    119f <main+0x7f>
mov    -0x14(%rbp),%eax
mov    %eax,-0x18(%rbp)
jmp    11a4 <main+0x84>
jmp    11a9 <main+0x89>
mov    -0x18(%rbp),%esi
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xef4(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0x10(%rsp),%rdx
lea    0xc(%rsp),%rcx
lea    0x8(%rsp),%r8
call   1040 <scanf@plt>
mov    0x14(%rsp),%eax
mov    0x10(%rsp),%esi
cmp    %esi,%eax
jg     1171 <main+0x51>
mov    0xc(%rsp),%esi
cmp    %esi,%eax
jg     1171 <main+0x51>
mov    0x8(%rsp),%ecx
cmp    %ecx,%eax
cmovg  %ecx,%eax
mov    %eax,%esi
lea    0xebe(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [45 x i8] c"Please enter 4 numbers separated by space > \00"
@.str.1 = [9 x i8] c"%i%i%i%i\00"
@.str.2 = [20 x i8] c"%i is the smallest\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
store i32 0, i32* %1
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i32* %2, i32* %3, i32* %4, i32* %5)
%9 = load i32, i32* %2
store i32 %9, i32* %6
%10 = load i32, i32* %2
%11 = load i32, i32* %3
%12 = icmp sgt i32 %10, %11
br i1 %12, label %13, label %15
13: ; preds = %0
%14 = load i32, i32* %3
store i32 %14, i32* %6
br label %29
15: ; preds = %0
%16 = load i32, i32* %6
%17 = load i32, i32* %4
%18 = icmp sgt i32 %16, %17
br i1 %18, label %19, label %21
19: ; preds = %15
%20 = load i32, i32* %4
store i32 %20, i32* %6
br label %28
21: ; preds = %15
%22 = load i32, i32* %6
%23 = load i32, i32* %5
%24 = icmp sgt i32 %22, %23
br i1 %24, label %25, label %27
25: ; preds = %21
%26 = load i32, i32* %5
store i32 %26, i32* %6
br label %27
27: ; preds = %25, %21
br label %28
28: ; preds = %27, %19
br label %29
29: ; preds = %28, %13
%30 = load i32, i32* %6
%31 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0), i32 %30)
ret i32 0
}

LLVM IR (-O2):
@.str = [45 x i8] c"Please enter 4 numbers separated by space > \00"
@.str.1 = [9 x i8] c"%i%i%i%i\00"
@.str.2 = [20 x i8] c"%i is the smallest\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = bitcast i32* %1 to i8*
%6 = bitcast i32* %2 to i8*
%7 = bitcast i32* %3 to i8*
%8 = bitcast i32* %4 to i8*
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i32* %1, i32* %2, i32* %3, i32* %4)
%11 = load i32, i32* %1
%12 = load i32, i32* %2
%13 = icmp sgt i32 %11, %12
br i1 %13, label %21, label %14
14: ; preds = %0
%15 = load i32, i32* %3
%16 = icmp sgt i32 %11, %15
br i1 %16, label %21, label %17
17: ; preds = %14
%18 = load i32, i32* %4
%19 = icmp sgt i32 %11, %18
%20 = select i1 %19, i32 %18, i32 %11
br label %21
21: ; preds = %17, %14, %0
%22 = phi i32 [ %12, %0 ], [ %15, %14 ], [ %20, %17 ]
%23 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0), i32 %22)
ret i32 0
}