#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*/ gets(char *);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, char *);
int strlen(char *);
int main(void) {
  char name[40];
  printf("What's your name?");
  scanf("%s", name);
  printf("Hello, %s. %s \n", name, "You are an extraordinary being.");
  printf("Your name of %zd letters occupies %zd memory cells.\n", strlen(name),
         sizeof name);
  printf("The phrase of praise has %zd letters ",
         strlen("You are an extraordinary being."));
  printf("and occupies %zd memory cells.\n",
         sizeof "You are an extraordinary being.");
  char str[23223];
  gets(str);
  getchar();
  getchar();
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x5af0,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xe97(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    -0x30(%rbp),%rsi
lea    0xe97(%rip),%rdi
call   1070 <scanf@plt>
lea    -0x30(%rbp),%rsi
lea    0xe8a(%rip),%rdi
lea    0xe93(%rip),%rdx
mov    $0x0,%al
call   1040 <printf@plt>
lea    -0x30(%rbp),%rdi
call   1030 <strlen@plt>
mov    %eax,%esi
lea    0xe9a(%rip),%rdi
mov    $0x28,%edx
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xe67(%rip),%rdi
call   1030 <strlen@plt>
mov    %eax,%esi
lea    0xeae(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xec6(%rip),%rdi
mov    $0x20,%esi
mov    $0x0,%al
call   1040 <printf@plt>
lea    -0x5af0(%rbp),%rdi
call   1060 <gets@plt>
mov    $0x0,%al
call   1050 <getchar@plt>
mov    $0x0,%al
call   1050 <getchar@plt>
xor    %eax,%eax
add    $0x5af0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x5ae8,%rsp
lea    0xe9f(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xea3(%rip),%rdi
mov    %rsp,%rbx
mov    %rbx,%rsi
call   1070 <scanf@plt>
lea    0xe94(%rip),%rdi
lea    0xe9d(%rip),%r14
mov    %rbx,%rsi
mov    %r14,%rdx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
call   1030 <strlen@plt>
lea    0xea1(%rip),%rdi
mov    $0x28,%edx
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
call   1030 <strlen@plt>
lea    0xeb9(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xecf(%rip),%rdi
mov    $0x20,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x30(%rsp),%rdi
call   1060 <gets@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
xor    %eax,%eax
add    $0x5ae8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [18 x i8] c"What's your name?\00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [16 x i8] c"Hello, %s. %s \0A\00"
@.str.3 = [32 x i8] c"You are an extraordinary being.\00"
@.str.4 = [53 x i8] c"Your name of %zd letters occupies %zd memory cells.\0A\00"
@.str.5 = [38 x i8] c"The phrase of praise has %zd letters \00"
@.str.6 = [32 x i8] c"and occupies %zd memory cells.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [40 x i8]
%3 = alloca [23223 x i8]
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0))
%5 = getelementptr inbounds [40 x i8], [40 x i8]* %2, i64 0, i64 0
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %5)
%7 = getelementptr inbounds [40 x i8], [40 x i8]* %2, i64 0, i64 0
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0), i8* %7, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%9 = getelementptr inbounds [40 x i8], [40 x i8]* %2, i64 0, i64 0
%10 = call i32 @strlen(i8* %9)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.4, i64 0, i64 0), i32 %10, i64 40)
%12 = call i32 @strlen(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.5, i64 0, i64 0), i32 %12)
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.6, i64 0, i64 0), i64 32)
%15 = getelementptr inbounds [23223 x i8], [23223 x i8]* %3, i64 0, i64 0
%16 = call i32 @gets(i8* %15)
%17 = call i32 (...) @getchar()
%18 = call i32 (...) @getchar()
ret i32 0
}

LLVM IR (-O2):
@.str = [18 x i8] c"What's your name?\00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [16 x i8] c"Hello, %s. %s \0A\00"
@.str.3 = [32 x i8] c"You are an extraordinary being.\00"
@.str.4 = [53 x i8] c"Your name of %zd letters occupies %zd memory cells.\0A\00"
@.str.5 = [38 x i8] c"The phrase of praise has %zd letters \00"
@.str.6 = [32 x i8] c"and occupies %zd memory cells.\0A\00"
define i32 @main() {
%1 = alloca [40 x i8]
%2 = alloca [23223 x i8]
%3 = getelementptr inbounds [40 x i8], [40 x i8]* %1, i64 0, i64 0
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %3)
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0), i8* %3, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%7 = call i32 @strlen(i8* %3)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([53 x i8], [53 x i8]* @.str.4, i64 0, i64 0), i32 %7, i64 40)
%9 = call i32 @strlen(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @.str.5, i64 0, i64 0), i32 %9)
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.6, i64 0, i64 0), i64 32)
%12 = getelementptr inbounds [23223 x i8], [23223 x i8]* %2, i64 0, i64 0
%13 = call i32 @gets(i8* %12)
%14 = call i32 (...) @getchar()
%15 = call i32 (...) @getchar()
ret i32 0
}