#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 *, char *, float *);
int main(void) {
  char op;
  float value1, value2;
  printf("enter value1 operator value2: ");
  scanf("%f %c %f", &value1, &op, &value2);
  printf("value1=%.2f, op=%c, value2=%.2f\n", value1, op, value2);
  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    0xedb(%rip),%rdi
lea    -0xc(%rbp),%rsi
lea    -0x5(%rbp),%rdx
lea    -0x10(%rbp),%rcx
call   1040 <scanf@plt>
movss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsbl -0x5(%rbp),%esi
movss  -0x10(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xeb6(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xee6(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0xf(%rsp),%rdx
lea    0x10(%rsp),%rcx
call   1040 <scanf@plt>
movss  0x14(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
movsbl 0xf(%rsp),%esi
movss  0x10(%rsp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xebb(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [31 x i8] c"enter value1 operator value2: \00"
@.str.1 = [9 x i8] c"%f %c %f\00"
@.str.2 = [33 x i8] c"value1=%.2f, op=%c, value2=%.2f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8
%3 = alloca float
%4 = alloca float
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), float* %3, i8* %2, float* %4)
%7 = load float, float* %3
%8 = fpext float %7 to double
%9 = load i8, i8* %2
%10 = sext i8 %9 to i32
%11 = load float, float* %4
%12 = fpext float %11 to double
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.2, i64 0, i64 0), double %8, i32 %10, double %12)
ret i32 0
}

LLVM IR (-O2):
@.str = [31 x i8] c"enter value1 operator value2: \00"
@.str.1 = [9 x i8] c"%f %c %f\00"
@.str.2 = [33 x i8] c"value1=%.2f, op=%c, value2=%.2f\0A\00"
define i32 @main() {
%1 = alloca i8
%2 = alloca float
%3 = alloca float
%4 = bitcast float* %2 to i8*
%5 = bitcast float* %3 to i8*
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), float* %2, i8* %1, float* %3)
%8 = load float, float* %2
%9 = fpext float %8 to double
%10 = load i8, i8* %1
%11 = sext i8 %10 to i32
%12 = load float, float* %3
%13 = fpext float %12 to double
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @.str.2, i64 0, i64 0), double %9, i32 %11, double %13)
ret i32 0
}