#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 */
scalar_t__ EOF;
int /*<<< orphan*/ printf(char *, int, ...);
scalar_t__ scanf(char *, int *);
int main(void) {
  int x, Sum = 0;
  int i;
  while (scanf("%d", &x) != EOF) {
    Sum = Sum + x;
    printf("x: %d, Sum: %d\n", x, Sum);
  }
  printf("%d\n", Sum);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xec3(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    0x2e9b(%rip),%rcx
cmp    (%rcx),%rax
je     1178 <main+0x58>
mov    -0xc(%rbp),%eax
add    -0x8(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xe97(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1136 <main+0x16>
mov    -0xc(%rbp),%esi
lea    0xe8d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x10,%rsp
lea    0xecc(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x2ea3(%rip),%r13
xor    %ebx,%ebx
cmp    0x0(%r13),%rax
je     1193 <main+0x73>
lea    0xeaf(%rip),%r14
lea    0xea5(%rip),%r15
lea    0xc(%rsp),%r12
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    0xc(%rsp),%esi
add    %esi,%ebx
mov    %r14,%rdi
mov    %ebx,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r15,%rdi
mov    %r12,%rsi
call   1040 <scanf@plt>
cmp    0x0(%r13),%rax
jne    1170 <main+0x50>
lea    0xe75(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@EOF = global i64 0
@.str.1 = [16 x i8] c"x: %d, Sum: %d\0A\00"
@.str.2 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
br label %5
5: ; preds = %9, %0
%6 = call i64 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%7 = load i64, i64* @EOF
%8 = icmp ne i64 %6, %7
br i1 %8, label %9, label %16
9: ; preds = %5
%10 = load i32, i32* %3
%11 = load i32, i32* %2
%12 = add nsw i32 %10, %11
store i32 %12, i32* %3
%13 = load i32, i32* %2
%14 = load i32, i32* %3
%15 = call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i32 %13, i32 %14)
br label %5
16: ; preds = %5
%17 = load i32, i32* %3
%18 = call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %17)
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@EOF = global i64 0
@.str.1 = [16 x i8] c"x: %d, Sum: %d\0A\00"
@.str.2 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i64 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = load i64, i64* @EOF
%5 = icmp eq i64 %3, %4
br i1 %5, label %14, label %6
6: ; preds = %0, %6
%7 = phi i32 [ %9, %6 ], [ 0, %0 ]
%8 = load i32, i32* %1
%9 = add nsw i32 %8, %7
%10 = call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i32 %8, i32 %9)
%11 = call i64 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%12 = load i64, i64* @EOF
%13 = icmp eq i64 %11, %12
br i1 %13, label %14, label %6
14: ; preds = %6, %0
%15 = phi i32 [ 0, %0 ], [ %9, %6 ]
%16 = call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %15)
ret i32 0
}