#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*/ getchar();
int /*<<< orphan*/ printf(char *, ...);
main() {
  int i = 10;
  {
    int i = 0, x = 0;
    i++;
    printf("i=%d, x=%d\n", i, x);
  }
  {
    float x = 3.14;
    printf("i=%d, x=%f\n", i, x);
  }
  printf("\nPress any key to end...");
  getchar();
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0xa,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xeb1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movss  0xe9e(%rip),%xmm0
movss  %xmm0,-0x10(%rbp)
mov    -0x4(%rbp),%esi
movss  -0x10(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe96(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
lea    0xe94(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <getchar@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee0(%rip),%rdi
mov    $0x1,%esi
xor    %edx,%edx
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
movsd  0xebb(%rip),%xmm0
mov    $0xa,%esi
mov    $0x1,%al
call   1030 <printf@plt>
lea    0xec8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [12 x i8] c"i=%d, x=%d\0A\00"
@.str.1 = [12 x i8] c"i=%d, x=%f\0A\00"
@.str.2 = [25 x i8] c"\0APress any key to end...\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca float
store i32 10, i32* %1
store i32 0, i32* %2
store i32 0, i32* %3
%5 = load i32, i32* %2
%6 = add nsw i32 %5, 1
store i32 %6, i32* %2
%7 = load i32, i32* %2
%8 = load i32, i32* %3
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 %7, i32 %8)
store float 0x40091EB860000000, float* %4
%10 = load i32, i32* %1
%11 = load float, float* %4
%12 = fpext float %11 to double
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0), i32 %10, double %12)
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0))
%15 = call i32 (...) @getchar()
ret i32 0
}

LLVM IR (-O2):
@.str = [12 x i8] c"i=%d, x=%d\0A\00"
@.str.1 = [12 x i8] c"i=%d, x=%f\0A\00"
@.str.2 = [25 x i8] c"\0APress any key to end...\00"
define i32 @main() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 1, i32 0)
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0), i32 10, double 0x40091EB860000000)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 (...) @getchar()
ret i32 0
}