#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 *, float *);
int main() {
  float x;
  float y;
  printf("Enter number x: ");
  scanf("%f", &x);
  printf("Enter number y: ");
  scanf("%f", &y);
  printf("x + y is %.2f\n", x + y);
  printf("x - y is %.2f\n", x - y);
  printf("x * y is %.2f\n", x * y);
  printf("x / y is %.2f\n", x / y);
  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    0xecd(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xec0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeaf(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
addss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xea5(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0x8(%rbp),%xmm0
subss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe98(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0x8(%rbp),%xmm0
mulss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe8b(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0x8(%rbp),%xmm0
divss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe7e(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xed4(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xed7(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0xec6(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
movss  0xc(%rsp),%xmm0
addss  0x8(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xeac(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  0xc(%rsp),%xmm0
subss  0x8(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe9d(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  0xc(%rsp),%xmm0
mulss  0x8(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe8e(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  0xc(%rsp),%xmm0
divss  0x8(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe7f(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [17 x i8] c"Enter number x: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [17 x i8] c"Enter number y: \00"
@.str.3 = [15 x i8] c"x + y is %.2f\0A\00"
@.str.4 = [15 x i8] c"x - y is %.2f\0A\00"
@.str.5 = [15 x i8] c"x * y is %.2f\0A\00"
@.str.6 = [15 x i8] c"x / y is %.2f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%8 = load float, float* %2
%9 = load float, float* %3
%10 = fadd float %8, %9
%11 = fpext float %10 to double
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), double %11)
%13 = load float, float* %2
%14 = load float, float* %3
%15 = fsub float %13, %14
%16 = fpext float %15 to double
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.4, i64 0, i64 0), double %16)
%18 = load float, float* %2
%19 = load float, float* %3
%20 = fmul float %18, %19
%21 = fpext float %20 to double
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.5, i64 0, i64 0), double %21)
%23 = load float, float* %2
%24 = load float, float* %3
%25 = fdiv float %23, %24
%26 = fpext float %25 to double
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.6, i64 0, i64 0), double %26)
ret i32 0
}

LLVM IR (-O2):
@.str = [17 x i8] c"Enter number x: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [17 x i8] c"Enter number y: \00"
@.str.3 = [15 x i8] c"x + y is %.2f\0A\00"
@.str.4 = [15 x i8] c"x - y is %.2f\0A\00"
@.str.5 = [15 x i8] c"x * y is %.2f\0A\00"
@.str.6 = [15 x i8] c"x / y is %.2f\0A\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = bitcast float* %1 to i8*
%4 = bitcast float* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %1)
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%9 = load float, float* %1
%10 = load float, float* %2
%11 = fadd float %9, %10
%12 = fpext float %11 to double
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), double %12)
%14 = load float, float* %1
%15 = load float, float* %2
%16 = fsub float %14, %15
%17 = fpext float %16 to double
%18 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.4, i64 0, i64 0), double %17)
%19 = load float, float* %1
%20 = load float, float* %2
%21 = fmul float %19, %20
%22 = fpext float %21 to double
%23 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.5, i64 0, i64 0), double %22)
%24 = load float, float* %1
%25 = load float, float* %2
%26 = fdiv float %24, %25
%27 = fpext float %26 to double
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.6, i64 0, i64 0), double %27)
ret i32 0
}