#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 atoi(char *);
int /*<<< orphan*/ printf(char *, char *);
int /*<<< orphan*/ puts(char *);
int main(int argc, char *argv[]) {
  int i, times;
  if (argc < 2 || (times = atoi(argv[1])) < 1)
    printf("Usage: %s positive-number\n", argv[0]);
  else
    for (i = 0; i < times; i++)
      puts("Hello, good looking!");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
jl     1169 <main+0x39>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <atoi@plt>
mov    %eax,-0x18(%rbp)
cmp    $0x1,%eax
jge    1181 <main+0x51>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xe89(%rip),%rdi
call   1040 <printf@plt>
jmp    11b3 <main+0x83>
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x18(%rbp),%eax
jge    11ae <main+0x7e>
lea    0xe80(%rip),%rdi
call   1030 <puts@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1188 <main+0x58>
jmp    11b3 <main+0x83>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
mov    %rsi,%r14
cmp    $0x2,%edi
jl     116f <main+0x3f>
mov    0x8(%r14),%rdi
call   1050 <atoi@plt>
test   %eax,%eax
jle    116f <main+0x3f>
mov    %eax,%ebx
lea    0xec9(%rip),%r14
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    %r14,%rdi
call   1030 <puts@plt>
add    $0xffffffff,%ebx
jne    1160 <main+0x30>
jmp    117e <main+0x4e>
mov    (%r14),%rsi
lea    0xe87(%rip),%rdi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [27 x i8] c"Usage: %s positive-number\0A\00"
@.str.1 = [21 x i8] c"Hello, good looking!\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp slt i32 %8, 2
br i1 %9, label %16, label %10
10: ; preds = %2
%11 = load i8**, i8*** %5
%12 = getelementptr inbounds i8*, i8** %11, i64 1
%13 = load i8*, i8** %12
%14 = call i32 @atoi(i8* %13)
store i32 %14, i32* %7
%15 = icmp slt i32 %14, 1
br i1 %15, label %16, label %21
16: ; preds = %10, %2
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 0
%19 = load i8*, i8** %18
%20 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i8* %19)
br label %32
21: ; preds = %10
store i32 0, i32* %6
br label %22
22: ; preds = %28, %21
%23 = load i32, i32* %6
%24 = load i32, i32* %7
%25 = icmp slt i32 %23, %24
br i1 %25, label %26, label %31
26: ; preds = %22
%27 = call i32 @puts(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i64 0, i64 0))
br label %28
28: ; preds = %26
%29 = load i32, i32* %6
%30 = add nsw i32 %29, 1
store i32 %30, i32* %6
br label %22
31: ; preds = %22
br label %32
32: ; preds = %31, %16
ret i32 0
}

LLVM IR (-O2):
@.str = [27 x i8] c"Usage: %s positive-number\0A\00"
@.str.1 = [21 x i8] c"Hello, good looking!\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 2
br i1 %3, label %9, label %4
4: ; preds = %2
%5 = getelementptr inbounds i8*, i8** %1, i64 1
%6 = load i8*, i8** %5
%7 = tail call i32 @atoi(i8* %6)
%8 = icmp slt i32 %7, 1
br i1 %8, label %9, label %12
9: ; preds = %4, %2
%10 = load i8*, i8** %1
%11 = tail call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i8* %10)
br label %17
12: ; preds = %4, %12
%13 = phi i32 [ %15, %12 ], [ 0, %4 ]
%14 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i64 0, i64 0))
%15 = add nuw nsw i32 %13, 1
%16 = icmp eq i32 %15, %7
br i1 %16, label %17, label %12
17: ; preds = %12, %9
ret i32 0
}