#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 main();
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int problemC(void) {
  int voltage = 0, resistance = 0, power = 0;
  printf("Input Voltage (V): ");
  scanf("%d", &voltage);
  printf("Input Resistance (R): ");
  scanf("%d", &resistance);
  power = (voltage * voltage) / resistance;
  printf("P = Power = (V^2) / R = Voltage^2 / Power = Voltage * Voltage / "
         "Power = %d * %d / %d = %d \n",
         voltage, voltage, resistance, power);
  return main();
}


x86 assembly (clang, -O0):
<problemC>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xeac(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb2(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xea5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe94(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x4(%rbp),%eax
imul   -0x4(%rbp),%eax
cltd
idivl  -0x8(%rbp)
mov    %eax,-0xc(%rbp)
mov    -0x4(%rbp),%esi
mov    -0x4(%rbp),%edx
mov    -0x8(%rbp),%ecx
mov    -0xc(%rbp),%r8d
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <main@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<problemC>:
push   %rbx
sub    $0x10,%rsp
movl   $0x0,0xc(%rsp)
movl   $0x0,0x8(%rsp)
lea    0xeb4(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeba(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xea9(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    0xc(%rsp),%esi
mov    %esi,%eax
imul   %esi,%eax
mov    0x8(%rsp),%ecx
cltd
idiv   %ecx
lea    0xe95(%rip),%rdi
mov    %esi,%edx
mov    %eax,%r8d
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <main@plt>
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"Input Voltage (V): \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [23 x i8] c"Input Resistance (R): \00"
@.str.3 = [92 x i8] c"P = Power = (V^2) / R = Voltage^2 / Power = Voltage * Voltage / Power = %d * %d / %d = %d \0A\00"
define i32 @problemC() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
store i32 0, i32* %3
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 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), i32* %1)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 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), i32* %2)
%8 = load i32, i32* %1
%9 = load i32, i32* %1
%10 = mul nsw i32 %8, %9
%11 = load i32, i32* %2
%12 = sdiv i32 %10, %11
store i32 %12, i32* %3
%13 = load i32, i32* %1
%14 = load i32, i32* %1
%15 = load i32, i32* %2
%16 = load i32, i32* %3
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([92 x i8], [92 x i8]* @.str.3, i64 0, i64 0), i32 %13, i32 %14, i32 %15, i32 %16)
%18 = call i32 (...) @main()
ret i32 %18
}

LLVM IR (-O2):
@.str = [20 x i8] c"Input Voltage (V): \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [23 x i8] c"Input Resistance (R): \00"
@.str.3 = [92 x i8] c"P = Power = (V^2) / R = Voltage^2 / Power = Voltage * Voltage / Power = %d * %d / %d = %d \0A\00"
define i32 @problemC() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
store i32 0, i32* %1
%4 = bitcast i32* %2 to i8*
store i32 0, i32* %2
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 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), i32* %1)
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 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), i32* %2)
%9 = load i32, i32* %1
%10 = mul nsw i32 %9, %9
%11 = load i32, i32* %2
%12 = sdiv i32 %10, %11
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([92 x i8], [92 x i8]* @.str.3, i64 0, i64 0), i32 %9, i32 %9, i32 %11, i32 %12)
%14 = call i32 (...) @main()
ret i32 %14
}