#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 */
float avrArr(int *);
int /*<<< orphan*/ getchar();
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int nums[3], i;
  float avr;
  printf("Please insert %d numbers:\n", 3);
  for (i = 0; i < 3; i++) {
    scanf("%d", &nums[i]);
  }
  avr = avrArr(nums);
  printf("\nThe average of nums[] is: %.2f\n", avr);
  printf("\n[Press any key to close]");
  getchar();
  getchar();
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
mov    $0x3,%esi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x14(%rbp)
cmpl   $0x3,-0x14(%rbp)
jge    119c <main+0x5c>
movslq -0x14(%rbp),%rax
lea    -0x10(%rbp),%rsi
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe92(%rip),%rdi
call   1060 <scanf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1169 <main+0x29>
lea    -0x10(%rbp),%rdi
call   1050 <avrArr@plt>
movss  %xmm0,-0x18(%rbp)
movss  -0x18(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe64(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
lea    0xe77(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <getchar@plt>
mov    $0x0,%al
call   1040 <getchar@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x18,%rsp
lea    0xeb2(%rip),%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeba(%rip),%rbx
lea    0xc(%rsp),%r14
mov    %rbx,%rdi
mov    %r14,%rsi
call   1060 <scanf@plt>
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0x14(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    %r14,%rdi
call   1050 <avrArr@plt>
cvtss2sd %xmm0,%xmm0
lea    0xe80(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
lea    0xe93(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
xor    %eax,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [27 x i8] c"Please insert %d numbers:\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [33 x i8] c"\0AThe average of nums[] is: %.2f\0A\00"
@.str.3 = [26 x i8] c"\0A[Press any key to close]\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [3 x i32]
%3 = alloca i32
%4 = alloca float
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i32 3)
store i32 0, i32* %3
br label %6
6: ; preds = %14, %0
%7 = load i32, i32* %3
%8 = icmp slt i32 %7, 3
br i1 %8, label %9, label %17
9: ; preds = %6
%10 = load i32, i32* %3
%11 = sext i32 %10 to i64
%12 = getelementptr inbounds [3 x i32], [3 x i32]* %2, i64 0, i64 %11
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %12)
br label %14
14: ; preds = %9
%15 = load i32, i32* %3
%16 = add nsw i32 %15, 1
store i32 %16, i32* %3
br label %6
17: ; preds = %6
%18 = getelementptr inbounds [3 x i32], [3 x i32]* %2, i64 0, i64 0
%19 = call float @avrArr(i32* %18)
store float %19, float* %4
%20 = load float, float* %4
%21 = fpext float %20 to double
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.2, i64 0, i64 0), double %21)
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0))
%24 = call i32 (...) @getchar()
%25 = call i32 (...) @getchar()
ret i32 0
}

LLVM IR (-O2):
@.str = [27 x i8] c"Please insert %d numbers:\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [33 x i8] c"\0AThe average of nums[] is: %.2f\0A\00"
@.str.3 = [26 x i8] c"\0A[Press any key to close]\00"
define i32 @main() {
%1 = alloca [3 x i32]
%2 = bitcast [3 x i32]* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i32 3)
%4 = getelementptr inbounds [3 x i32], [3 x i32]* %1, i64 0, i64 0
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %4)
%6 = getelementptr inbounds [3 x i32], [3 x i32]* %1, i64 0, i64 1
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %6)
%8 = getelementptr inbounds [3 x i32], [3 x i32]* %1, i64 0, i64 2
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %8)
%10 = call float @avrArr(i32* %4)
%11 = fpext float %10 to double
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @.str.2, i64 0, i64 0), double %11)
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0))
%14 = call i32 (...) @getchar()
%15 = call i32 (...) @getchar()
ret i32 0
}