#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 *);
void minus(int MAX) {
  float x, y, diff;
  printf("Enter the number to be subtracted from: \n ");
  scanf("%f", &x);
  printf("Enter the second number: \n ");
  scanf("%f", &y);
  for (int i = 0; i < MAX; i++) {
    diff = x - y;
  }
  printf("The difference is %.2f", diff);
}


x86 assembly (clang, -O0):
<minus>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
lea    0xece(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeeb(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xede(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xecd(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    1197 <minus+0x77>
movss  -0x8(%rbp),%xmm0
subss  -0xc(%rbp),%xmm0
movss  %xmm0,-0x10(%rbp)
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    116e <minus+0x4e>
movss  -0x10(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xea3(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<minus>:
push   %rbx
sub    $0x10,%rsp
lea    0xed4(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xef1(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0xee0(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
movss  0xc(%rsp),%xmm0
subss  0x8(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xed1(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [43 x i8] c"Enter the number to be subtracted from: \0A \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [28 x i8] c"Enter the second number: \0A \00"
@.str.3 = [23 x i8] c"The difference is %.2f\00"
define void @minus(i32 %0) {
%2 = alloca i32
%3 = alloca float
%4 = alloca float
%5 = alloca float
%6 = alloca i32
store i32 %0, i32* %2
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %4)
store i32 0, i32* %6
br label %11
11: ; preds = %19, %1
%12 = load i32, i32* %6
%13 = load i32, i32* %2
%14 = icmp slt i32 %12, %13
br i1 %14, label %15, label %22
15: ; preds = %11
%16 = load float, float* %3
%17 = load float, float* %4
%18 = fsub float %16, %17
store float %18, float* %5
br label %19
19: ; preds = %15
%20 = load i32, i32* %6
%21 = add nsw i32 %20, 1
store i32 %21, i32* %6
br label %11
22: ; preds = %11
%23 = load float, float* %5
%24 = fpext float %23 to double
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0), double %24)
ret void
}

LLVM IR (-O2):
@.str = [43 x i8] c"Enter the number to be subtracted from: \0A \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [28 x i8] c"Enter the second number: \0A \00"
@.str.3 = [23 x i8] c"The difference is %.2f\00"
define void @minus(i32 %0) {
%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 ([43 x i8], [43 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%10 = icmp sgt i32 %0, 0
%11 = load float, float* %2
%12 = load float, float* %3
%13 = fsub float %11, %12
%14 = fpext float %13 to double
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0), double %14)
ret void
}