#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 */
double avg(float *);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, float *);
int main() {
  float nums[10];
  printf("Please enter 10 numbers: ");
  for (int i = 0; i < 10; i++) {
    scanf("%f", &nums[i]);
  }
  printf("Average is: %.3f\n", avg(nums));
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x34(%rbp)
cmpl   $0xa,-0x34(%rbp)
jge    1187 <main+0x57>
movslq -0x34(%rbp),%rax
lea    -0x30(%rbp),%rsi
shl    $0x2,%rax
add    %rax,%rsi
lea    0xea6(%rip),%rdi
call   1040 <scanf@plt>
mov    -0x34(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x34(%rbp)
jmp    1154 <main+0x24>
lea    -0x30(%rbp),%rdi
call   1050 <avg@plt>
lea    0xe86(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x28,%rsp
lea    0xec2(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xece(%rip),%rbx
mov    %rsp,%r14
mov    %rbx,%rdi
mov    %r14,%rsi
call   1040 <scanf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x14(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x18(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x1c(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x20(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x24(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
mov    %r14,%rdi
call   1050 <avg@plt>
lea    0xe3f(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x28,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [26 x i8] c"Please enter 10 numbers: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [18 x i8] c"Average is: %.3f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [10 x float]
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %3
br label %5
5: ; preds = %13, %0
%6 = load i32, i32* %3
%7 = icmp slt i32 %6, 10
br i1 %7, label %8, label %16
8: ; preds = %5
%9 = load i32, i32* %3
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds [10 x float], [10 x float]* %2, i64 0, i64 %10
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %11)
br label %13
13: ; preds = %8
%14 = load i32, i32* %3
%15 = add nsw i32 %14, 1
store i32 %15, i32* %3
br label %5
16: ; preds = %5
%17 = getelementptr inbounds [10 x float], [10 x float]* %2, i64 0, i64 0
%18 = call double @avg(float* %17)
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), double %18)
%20 = load i32, i32* %1
ret i32 %20
}

LLVM IR (-O2):
@.str = [26 x i8] c"Please enter 10 numbers: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [18 x i8] c"Average is: %.3f\0A\00"
define i32 @main() {
%1 = alloca [10 x float]
%2 = bitcast [10 x float]* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0))
%4 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 0
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %4)
%6 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 1
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %6)
%8 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 2
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %8)
%10 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 3
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %10)
%12 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 4
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %12)
%14 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 5
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %14)
%16 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 6
%17 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %16)
%18 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 7
%19 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %18)
%20 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 8
%21 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %20)
%22 = getelementptr inbounds [10 x float], [10 x float]* %1, i64 0, i64 9
%23 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %22)
%24 = call double @avg(float* %4)
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), double %24)
ret i32 0
}