#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 */
char getchar();
int /*<<< orphan*/ printf(char *, int, ...);
int /*<<< orphan*/ putchar(char);
int /*<<< orphan*/ scanf(char *, int *);
int main(void) {
  int v, r;
  printf("Enter a value to be multiplied by 10 %c ", 26);
  scanf("%d", &v);
  r = (v << 1) + (v << 3);
  putchar('\n');
  printf("%d multiplied by 10 is %d.\n", v, r);
  while (getchar() != '\n')
    continue;
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
mov    $0x1a,%esi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xec0(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1060 <scanf@plt>
mov    -0x8(%rbp),%eax
shl    $0x1,%eax
mov    -0x8(%rbp),%ecx
shl    $0x3,%ecx
add    %ecx,%eax
mov    %eax,-0xc(%rbp)
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xe92(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    $0x0,%al
call   1050 <getchar@plt>
movsbl %al,%eax
cmp    $0xa,%eax
je     11b9 <main+0x79>
jmp    11a1 <main+0x61>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xeb4(%rip),%rdi
mov    $0x1a,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeca(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1060 <scanf@plt>
mov    0xc(%rsp),%eax
add    %eax,%eax
lea    (%rax,%rax,4),%ebx
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0xc(%rsp),%esi
lea    0xea5(%rip),%rdi
mov    %ebx,%edx
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
cmp    $0xa,%al
jne    1190 <main+0x50>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [41 x i8] c"Enter a value to be multiplied by 10 %c \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [28 x i8] c"%d multiplied by 10 is %d.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str, i64 0, i64 0), i32 26)
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%6 = load i32, i32* %2
%7 = shl i32 %6, 1
%8 = load i32, i32* %2
%9 = shl i32 %8, 3
%10 = add nsw i32 %7, %9
store i32 %10, i32* %3
%11 = call i32 @putchar(i8 signext 10)
%12 = load i32, i32* %2
%13 = load i32, i32* %3
%14 = call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0), i32 %12, i32 %13)
br label %15
15: ; preds = %19, %0
%16 = call signext i8 (...) @getchar()
%17 = sext i8 %16 to i32
%18 = icmp ne i32 %17, 10
br i1 %18, label %19, label %20
19: ; preds = %15
br label %15
20: ; preds = %15
ret i32 0
}

LLVM IR (-O2):
@.str = [41 x i8] c"Enter a value to be multiplied by 10 %c \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [28 x i8] c"%d multiplied by 10 is %d.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str, i64 0, i64 0), i32 26)
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = mul i32 %5, 10
%7 = call i32 @putchar(i8 signext 10)
%8 = load i32, i32* %1
%9 = call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0), i32 %8, i32 %6)
br label %10
10: ; preds = %10, %0
%11 = call signext i8 (...) @getchar()
%12 = icmp eq i8 %11, 10
br i1 %12, label %13, label %10
13: ; preds = %10
ret i32 0
}