#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*/ exit(int);
int /*<<< orphan*/ printf(char *, ...);
void usage(char *prog) {
  printf("Usage: %s <memreq>\n", prog);
  printf(
      "where memreq is the memory required by the user application in kB.\n");
  printf("Wipes enough memory in order to guarantee the required amount\n");
  printf("balanced among numa nodes. Two numa nodes are assumed for the "
         "moment.\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xecf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf05(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf36(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
mov    %rdi,%rsi
lea    0xec5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xecb(%rip),%rdi
call   1030 <puts@plt>
lea    0xf02(%rip),%rdi
call   1030 <puts@plt>
lea    0xf34(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [20 x i8] c"Usage: %s <memreq>\0A\00"
@.str.1 = [68 x i8] c"where memreq is the memory required by the user application in kB.\0A\00"
@.str.2 = [63 x i8] c"Wipes enough memory in order to guarantee the required amount\0A\00"
@.str.3 = [71 x i8] c"balanced among numa nodes. Two numa nodes are assumed for the moment.\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([68 x i8], [68 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([63 x i8], [63 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@.str = [20 x i8] c"Usage: %s <memreq>\0A\00"
@str = [67 x i8] c"where memreq is the memory required by the user application in kB.\00"
@str.4 = [62 x i8] c"Wipes enough memory in order to guarantee the required amount\00"
@str.5 = [70 x i8] c"balanced among numa nodes. Two numa nodes are assumed for the moment.\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([67 x i8], [67 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([62 x i8], [62 x i8]* @str.4, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([70 x i8], [70 x i8]* @str.5, i64 0, i64 0))
%6 = tail call i32 @exit(i32 1)
unreachable
}