#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 /*<<< 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 extraodinary bing.");
  printf("Your name %zd letters occupies %zd memory cells.\n", strlen(name),
         sizeof name);
  printf("The phrase of praise has %zd letters ",
         strlen("You are an extraodinary bing."));
  printf("and occupies %zd memory calls.\n",
         sizeof "You are an extraodinary bing.");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    -0x30(%rbp),%rsi
lea    0xebb(%rip),%rdi
call   1050 <scanf@plt>
lea    -0x30(%rbp),%rsi
lea    0xeae(%rip),%rdi
lea    0xeb6(%rip),%rdx
mov    $0x0,%al
call   1040 <printf@plt>
lea    -0x30(%rbp),%rdi
call   1030 <strlen@plt>
mov    %eax,%esi
lea    0xebb(%rip),%rdi
mov    $0x28,%edx
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xe8a(%rip),%rdi
call   1030 <strlen@plt>
mov    %eax,%esi
lea    0xecc(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xee4(%rip),%rdi
mov    $0x1e,%esi
mov    $0x0,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x28,%rsp
lea    0xec2(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec7(%rip),%rdi
mov    %rsp,%rbx
mov    %rbx,%rsi
call   1050 <scanf@plt>
lea    0xeb8(%rip),%rdi
lea    0xec0(%rip),%r14
mov    %rbx,%rsi
mov    %r14,%rdx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
call   1030 <strlen@plt>
lea    0xec2(%rip),%rdi
mov    $0x28,%edx
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
call   1030 <strlen@plt>
lea    0xed7(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeed(%rip),%rdi
mov    $0x1e,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x28,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [19 x i8] c"What's your name? \00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [15 x i8] c"Hello, %s. %s\0A\00"
@.str.3 = [30 x i8] c"You are an extraodinary bing.\00"
@.str.4 = [50 x i8] c"Your name %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 calls.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [40 x i8]
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%4 = getelementptr inbounds [40 x i8], [40 x i8]* %2, i64 0, i64 0
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %4)
%6 = getelementptr inbounds [40 x i8], [40 x i8]* %2, i64 0, i64 0
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i8* %6, i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0))
%8 = getelementptr inbounds [40 x i8], [40 x i8]* %2, i64 0, i64 0
%9 = call i32 @strlen(i8* %8)
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.4, i64 0, i64 0), i32 %9, i64 40)
%11 = call i32 @strlen(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0))
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.5, i64 0, i64 0), i32 %11)
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.6, i64 0, i64 0), i64 30)
ret i32 0
}

LLVM IR (-O2):
@.str = [19 x i8] c"What's your name? \00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [15 x i8] c"Hello, %s. %s\0A\00"
@.str.3 = [30 x i8] c"You are an extraodinary bing.\00"
@.str.4 = [50 x i8] c"Your name %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 calls.\0A\00"
define i32 @main() {
%1 = alloca [40 x i8]
%2 = getelementptr inbounds [40 x i8], [40 x i8]* %1, i64 0, i64 0
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %2)
%5 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i8* %2, i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @strlen(i8* %2)
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([50 x i8], [50 x i8]* @.str.4, i64 0, i64 0), i32 %6, i64 40)
%8 = call i32 @strlen(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @.str.5, i64 0, i64 0), i32 %8)
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.6, i64 0, i64 0), i64 30)
ret i32 0
}