#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*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ free(void *);
void *malloc(int);
int /*<<< orphan*/ print(int /*<<< orphan*/);
int /*<<< orphan*/ scheme_entry(void *, void *);
int /*<<< orphan*/ stderr;
int main(int argc, char *argv[]) {
  if (argc != 1) {
    fprintf(stderr, "usage: %s\n", argv[0]);
    exit(1);
  }
  void *stack_addr = malloc(1024 * 8);
  void *heap_addr = malloc(1024 * 8);
  print(scheme_entry(stack_addr, heap_addr));
  free(stack_addr);
  free(heap_addr);
  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   $0x1,-0x8(%rbp)
je     11a6 <main+0x46>
mov    0x2e59(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe69(%rip),%rsi
call   1050 <fprintf@plt>
mov    $0x1,%edi
call   1080 <exit@plt>
mov    $0x2000,%edi
call   1060 <malloc@plt>
mov    %rax,-0x18(%rbp)
mov    $0x2000,%edi
call   1060 <malloc@plt>
mov    %rax,-0x20(%rbp)
mov    -0x18(%rbp),%rdi
mov    -0x20(%rbp),%rsi
call   1070 <scheme_entry@plt>
mov    %eax,%edi
call   1040 <print@plt>
mov    -0x18(%rbp),%rdi
call   1030 <free@plt>
mov    -0x20(%rbp),%rdi
call   1030 <free@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
cmp    $0x1,%edi
jne    11af <main+0x4f>
mov    $0x2000,%edi
call   1060 <malloc@plt>
mov    %rax,%r14
mov    $0x2000,%edi
call   1060 <malloc@plt>
mov    %rax,%rbx
mov    %r14,%rdi
mov    %rax,%rsi
call   1070 <scheme_entry@plt>
mov    %eax,%edi
call   1040 <print@plt>
mov    %r14,%rdi
call   1030 <free@plt>
mov    %rbx,%rdi
call   1030 <free@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret
mov    0x2e2a(%rip),%rax
mov    (%rax),%edi
mov    (%rsi),%rdx
lea    0xe3e(%rip),%rsi
call   1050 <fprintf@plt>
mov    $0x1,%edi
call   1080 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [11 x i8] c"usage: %s\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i8*
%7 = alloca i8*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp ne i32 %8, 1
br i1 %9, label %10, label %17
10: ; preds = %2
%11 = load i32, i32* @stderr
%12 = load i8**, i8*** %5
%13 = getelementptr inbounds i8*, i8** %12, i64 0
%14 = load i8*, i8** %13
%15 = call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* %14)
%16 = call i32 @exit(i32 1)
unreachable
17: ; preds = %2
%18 = call i8* @malloc(i32 8192)
store i8* %18, i8** %6
%19 = call i8* @malloc(i32 8192)
store i8* %19, i8** %7
%20 = load i8*, i8** %6
%21 = load i8*, i8** %7
%22 = call i32 @scheme_entry(i8* %20, i8* %21)
%23 = call i32 @print(i32 %22)
%24 = load i8*, i8** %6
%25 = call i32 @free(i8* %24)
%26 = load i8*, i8** %7
%27 = call i32 @free(i8* %26)
ret i32 0
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [11 x i8] c"usage: %s\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 1
br i1 %3, label %9, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* %6)
%8 = tail call i32 @exit(i32 1)
unreachable
9: ; preds = %2
%10 = tail call dereferenceable_or_null(8192) i8* @malloc(i32 8192)
%11 = tail call dereferenceable_or_null(8192) i8* @malloc(i32 8192)
%12 = tail call i32 @scheme_entry(i8* %10, i8* %11)
%13 = tail call i32 @print(i32 %12)
%14 = tail call i32 @free(i8* %10)
%15 = tail call i32 @free(i8* %11)
ret i32 0
}