#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 *, unsigned int);
int main(void) {
  int n = 0;
  printf("sizeof(1) = %u\n", (unsigned)sizeof(1));
  printf("sizeof(+1) = %u\n", (unsigned)sizeof(+1));
  printf("sizeof(-1) = %u\n", (unsigned)sizeof(-1));
  printf("sizeof(unsigned) - 1 = %u\n", (unsigned)sizeof(unsigned) - 1);
  printf("sizeof(double) - 1 = %u\n", (unsigned)sizeof(double) - 1);
  printf("sizeof((double) - 1) = %u\n", (unsigned)sizeof((double)-1));
  printf("sizeof(n + 1) = %u\n", (unsigned)sizeof(n + 1));
  printf("sizeof(n + 2) = %u\n", (unsigned)sizeof(n + 2));
  printf("sizeof(n + 2.0) = %u\n", (unsigned)sizeof(n + 2.0));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
lea    0xed3(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xed2(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xed2(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xed2(%rip),%rdi
mov    $0x3,%esi
call   1030 <printf@plt>
lea    0xedc(%rip),%rdi
mov    $0x7,%esi
call   1030 <printf@plt>
lea    0xee4(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
lea    0xeee(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xef1(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xef4(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee8(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
mov    $0x3,%esi
call   1030 <printf@plt>
lea    0xef1(%rip),%rdi
mov    $0x7,%esi
call   1030 <printf@plt>
lea    0xef9(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
lea    0xf03(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xf06(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xf09(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [16 x i8] c"sizeof(1) = %u\0A\00"
@.str.1 = [17 x i8] c"sizeof(+1) = %u\0A\00"
@.str.2 = [17 x i8] c"sizeof(-1) = %u\0A\00"
@.str.3 = [27 x i8] c"sizeof(unsigned) - 1 = %u\0A\00"
@.str.4 = [25 x i8] c"sizeof(double) - 1 = %u\0A\00"
@.str.5 = [27 x i8] c"sizeof((double) - 1) = %u\0A\00"
@.str.6 = [20 x i8] c"sizeof(n + 1) = %u\0A\00"
@.str.7 = [20 x i8] c"sizeof(n + 2) = %u\0A\00"
@.str.8 = [22 x i8] c"sizeof(n + 2.0) = %u\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
%3 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i32 4)
%4 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32 4)
%5 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i32 4)
%6 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0), i32 3)
%7 = call i32 @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.4, i64 0, i64 0), i32 7)
%8 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.5, i64 0, i64 0), i32 8)
%9 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.6, i64 0, i64 0), i32 4)
%10 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.7, i64 0, i64 0), i32 4)
%11 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.8, i64 0, i64 0), i32 8)
ret i32 0
}

LLVM IR (-O2):
@.str = [16 x i8] c"sizeof(1) = %u\0A\00"
@.str.1 = [17 x i8] c"sizeof(+1) = %u\0A\00"
@.str.2 = [17 x i8] c"sizeof(-1) = %u\0A\00"
@.str.3 = [27 x i8] c"sizeof(unsigned) - 1 = %u\0A\00"
@.str.4 = [25 x i8] c"sizeof(double) - 1 = %u\0A\00"
@.str.5 = [27 x i8] c"sizeof((double) - 1) = %u\0A\00"
@.str.6 = [20 x i8] c"sizeof(n + 1) = %u\0A\00"
@.str.7 = [20 x i8] c"sizeof(n + 2) = %u\0A\00"
@.str.8 = [22 x i8] c"sizeof(n + 2.0) = %u\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i32 4)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32 4)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i32 4)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0), i32 3)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.4, i64 0, i64 0), i32 7)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.5, i64 0, i64 0), i32 8)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.6, i64 0, i64 0), i32 4)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.7, i64 0, i64 0), i32 4)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.8, i64 0, i64 0), i32 8)
ret i32 0
}