#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*/ EXIT_FAILURE;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *);
int scanf(char *, int *);
void fill_array(int str[], int size) {
  int i;
  for (i = 0; i < size; i++) {
    if ((scanf("%d", &str[i])) != 1) {
      printf("Not digit!");
      exit(EXIT_FAILURE);
    }
  }
}


x86 assembly (clang, -O0):
<fill_array>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11a3 <fill_array+0x73>
mov    -0x8(%rbp),%rsi
movslq -0x10(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe98(%rip),%rdi
call   1040 <scanf@plt>
cmp    $0x1,%eax
je     1190 <fill_array+0x60>
lea    0xe86(%rip),%rdi
call   1030 <printf@plt>
mov    0x2e57(%rip),%rax
mov    (%rax),%edi
call   1050 <exit@plt>
jmp    1195 <fill_array+0x65>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1146 <fill_array+0x16>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<fill_array>:
push   %r15
push   %r14
push   %rbx
test   %esi,%esi
jle    116a <fill_array+0x3a>
mov    %rdi,%rbx
mov    %esi,%r15d
lea    0xeba(%rip),%r14
cs nopw 0x0(%rax,%rax,1)
mov    %r14,%rdi
mov    %rbx,%rsi
call   1040 <scanf@plt>
cmp    $0x1,%eax
jne    1170 <fill_array+0x40>
add    $0x4,%rbx
add    $0xffffffffffffffff,%r15
jne    1150 <fill_array+0x20>
pop    %rbx
pop    %r14
pop    %r15
ret
lea    0xe8c(%rip),%rdi
call   1030 <printf@plt>
mov    0x2e5d(%rip),%rax
mov    (%rax),%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [11 x i8] c"Not digit!\00"
@EXIT_FAILURE = global i32 0
define void @fill_array(i32* %0, i32 %1) {
%3 = alloca i32*
%4 = alloca i32
%5 = alloca i32
store i32* %0, i32** %3
store i32 %1, i32* %4
store i32 0, i32* %5
br label %6
6: ; preds = %22, %2
%7 = load i32, i32* %5
%8 = load i32, i32* %4
%9 = icmp slt i32 %7, %8
br i1 %9, label %10, label %25
10: ; preds = %6
%11 = load i32*, i32** %3
%12 = load i32, i32* %5
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds i32, i32* %11, i64 %13
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %14)
%16 = icmp ne i32 %15, 1
br i1 %16, label %17, label %21
17: ; preds = %10
%18 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%19 = load i32, i32* @EXIT_FAILURE
%20 = call i32 @exit(i32 %19)
unreachable
21: ; preds = %10
br label %22
22: ; preds = %21
%23 = load i32, i32* %5
%24 = add nsw i32 %23, 1
store i32 %24, i32* %5
br label %6
25: ; preds = %6
ret void
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [11 x i8] c"Not digit!\00"
@EXIT_FAILURE = global i32 0
define void @fill_array(i32* %0, i32 %1) {
%3 = icmp sgt i32 %1, 0
br i1 %3, label %4, label %18
4: ; preds = %2
%5 = zext i32 %1 to i64
br label %8
6: ; preds = %8
%7 = icmp eq i64 %13, %5
br i1 %7, label %18, label %8
8: ; preds = %4, %6
%9 = phi i64 [ 0, %4 ], [ %13, %6 ]
%10 = getelementptr inbounds i32, i32* %0, i64 %9
%11 = tail call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %10)
%12 = icmp eq i32 %11, 1
%13 = add nuw nsw i64 %9, 1
br i1 %12, label %6, label %14
14: ; preds = %8
%15 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%16 = load i32, i32* @EXIT_FAILURE
%17 = tail call i32 @exit(i32 %16)
unreachable
18: ; preds = %6, %2
ret void
}