#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 main() {
  int ret = 0;
  int i;
  for (i = 0; i < 3; i++) {
    int ret = 1;
    ret++;
    printf("%i,", ret);
  }
  printf("\n");
  if (ret == 0)
    return ret;
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x3,-0xc(%rbp)
jge    1166 <main+0x56>
movl   $0x1,-0x10(%rbp)
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%esi
lea    0xeaf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    112d <main+0x1d>
lea    0xe97(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
cmpl   $0x0,-0x8(%rbp)
jne    1189 <main+0x79>
mov    -0x8(%rbp),%eax
mov    %eax,-0x4(%rbp)
jmp    1190 <main+0x80>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xed8(%rip),%rbx
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%i,\00"
@.str.1 = [2 x i8] c"\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* %2
store i32 0, i32* %3
br label %5
5: ; preds = %13, %0
%6 = load i32, i32* %3
%7 = icmp slt i32 %6, 3
br i1 %7, label %8, label %16
8: ; preds = %5
store i32 1, i32* %4
%9 = load i32, i32* %4
%10 = add nsw i32 %9, 1
store i32 %10, i32* %4
%11 = load i32, i32* %4
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %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 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%18 = load i32, i32* %2
%19 = icmp eq i32 %18, 0
br i1 %19, label %20, label %22
20: ; preds = %16
%21 = load i32, i32* %2
store i32 %21, i32* %1
br label %23
22: ; preds = %16
store i32 0, i32* %1
br label %23
23: ; preds = %22, %20
%24 = load i32, i32* %1
ret i32 %24
}

LLVM IR (-O2):
@.str = [4 x i8] c"%i,\00"
define i32 @main() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 2)
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 2)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 2)
%4 = tail call i32 @putchar(i32 10)
ret i32 0
}