#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 EXIT_FAILURE;
int EXIT_SUCCESS;
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char *argv[]) {
  if (argc < 2) {
    printf("You didn't tell me your name :(\n");
    printf("Use the program like this: %s <your-name>\n", argv[0]);
    return EXIT_FAILURE;
  }
  printf("Hello ???\n");
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
jge    1164 <main+0x54>
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xed5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    0x2e86(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    117e <main+0x6e>
lea    0xee1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    0x2e5f(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
cmp    $0x1,%edi
jg     114f <main+0x2f>
mov    %rsi,%rbx
lea    0xf05(%rip),%rdi
call   1030 <puts@plt>
mov    (%rbx),%rsi
lea    0xec1(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x2e93(%rip),%rax
jmp    1162 <main+0x42>
lea    0xed5(%rip),%rdi
call   1030 <puts@plt>
mov    0x2e76(%rip),%rax
mov    (%rax),%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [33 x i8] c"You didn't tell me your name :(\0A\00"
@.str.1 = [43 x i8] c"Use the program like this: %s <your-name>\0A\00"
@EXIT_FAILURE = global i32 0
@.str.2 = [11 x i8] c"Hello ???\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp slt i32 %6, 2
br i1 %7, label %8, label %15
8: ; preds = %2
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str, i64 0, i64 0))
%10 = load i8**, i8*** %5
%11 = getelementptr inbounds i8*, i8** %10, i64 0
%12 = load i8*, i8** %11
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.1, i64 0, i64 0), i8* %12)
%14 = load i32, i32* @EXIT_FAILURE
store i32 %14, i32* %3
br label %18
15: ; preds = %2
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%17 = load i32, i32* @EXIT_SUCCESS
store i32 %17, i32* %3
br label %18
18: ; preds = %15, %8
%19 = load i32, i32* %3
ret i32 %19
}

LLVM IR (-O2):
@.str.1 = [43 x i8] c"Use the program like this: %s <your-name>\0A\00"
@EXIT_FAILURE = global i32 0
@EXIT_SUCCESS = global i32 0
@str = [10 x i8] c"Hello ???\00"
@str.3 = [32 x i8] c"You didn't tell me your name :(\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 2
br i1 %3, label %4, label %8
4: ; preds = %2
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.3, i64 0, i64 0))
%6 = load i8*, i8** %1
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @.str.1, i64 0, i64 0), i8* %6)
br label %10
8: ; preds = %2
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
br label %10
10: ; preds = %8, %4
%11 = phi i32* [ @EXIT_FAILURE, %4 ], [ @EXIT_SUCCESS, %8 ]
%12 = load i32, i32* %11
ret i32 %12
}