#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 *, ...);
int main() {
  printf("%5s\n", "abcd");
  printf("%5s\n", "abcdef");
  printf("%-5s\n", "abc");
  printf("%5.2s\n", "abcde");
  printf("%-5.2s\n", "abcde");
  printf("\n[Press Enter to close]");
  getchar();
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    0xec8(%rip),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb5(%rip),%rdi
lea    0xeb8(%rip),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb1(%rip),%rdi
lea    0xeb0(%rip),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea6(%rip),%rdi
lea    0xea6(%rip),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe9e(%rip),%rdi
lea    0xe91(%rip),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe91(%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   %rbx
lea    0xed8(%rip),%rbx
lea    0xed6(%rip),%rsi
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeca(%rip),%rsi
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec0(%rip),%rdi
lea    0xebf(%rip),%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeb5(%rip),%rdi
lea    0xeb5(%rip),%rbx
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeaa(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xea1(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [5 x i8] c"%5s\0A\00"
@.str.1 = [5 x i8] c"abcd\00"
@.str.2 = [7 x i8] c"abcdef\00"
@.str.3 = [6 x i8] c"%-5s\0A\00"
@.str.4 = [4 x i8] c"abc\00"
@.str.5 = [7 x i8] c"%5.2s\0A\00"
@.str.6 = [6 x i8] c"abcde\00"
@.str.7 = [8 x i8] c"%-5.2s\0A\00"
@.str.8 = [24 x i8] c"\0A[Press Enter to close]\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.8, i64 0, i64 0))
%8 = call i32 (...) @getchar()
ret i32 0
}

LLVM IR (-O2):
@.str = [5 x i8] c"%5s\0A\00"
@.str.1 = [5 x i8] c"abcd\00"
@.str.2 = [7 x i8] c"abcdef\00"
@.str.3 = [6 x i8] c"%-5s\0A\00"
@.str.4 = [4 x i8] c"abc\00"
@.str.5 = [7 x i8] c"%5.2s\0A\00"
@.str.6 = [6 x i8] c"abcde\00"
@.str.7 = [8 x i8] c"%-5.2s\0A\00"
@.str.8 = [24 x i8] c"\0A[Press Enter to close]\00"
define i32 @main() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0))
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0))
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0))
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.8, i64 0, i64 0))
%7 = tail call i32 (...) @getchar()
ret i32 0
}