#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 */
void *calloc(int, size_t);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
void *android_alloc0(size_t size) {
  void *block;
  if (size == 0)
    return NULL;
  block = calloc(1, size);
  if (block != NULL)
    return block;
  fprintf(stderr, "PANIC: not enough memory\n");
  exit(1);
  return NULL;
}


x86 assembly (clang, -O0):
<android_alloc0>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
cmpq   $0x0,-0x10(%rbp)
jne    1154 <android_alloc0+0x24>
movq   $0x0,-0x8(%rbp)
jmp    119d <android_alloc0+0x6d>
mov    -0x10(%rbp),%rsi
mov    $0x1,%edi
call   1030 <calloc@plt>
mov    %rax,-0x18(%rbp)
cmpq   $0x0,-0x18(%rbp)
je     117e <android_alloc0+0x4e>
mov    -0x18(%rbp),%rax
mov    %rax,-0x8(%rbp)
jmp    119d <android_alloc0+0x6d>
mov    0x2e5b(%rip),%rax
mov    (%rax),%edi
lea    0xe72(%rip),%rsi
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
mov    -0x8(%rbp),%rax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<android_alloc0>:
push   %rax
test   %rdi,%rdi
je     114a <android_alloc0+0x1a>
mov    %rdi,%rsi
mov    $0x1,%edi
call   1030 <calloc@plt>
test   %rax,%rax
je     114e <android_alloc0+0x1e>
pop    %rcx
ret
xor    %eax,%eax
pop    %rcx
ret
mov    0x2e8b(%rip),%rax
mov    (%rax),%edi
lea    0xea2(%rip),%rsi
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [26 x i8] c"PANIC: not enough memory\0A\00"
define i8* @android_alloc0(i64 %0) {
%2 = alloca i8*
%3 = alloca i64
%4 = alloca i8*
store i64 %0, i64* %3
%5 = load i64, i64* %3
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %8
7: ; preds = %1
store i8* null, i8** %2
br label %19
8: ; preds = %1
%9 = load i64, i64* %3
%10 = call i8* @calloc(i32 1, i64 %9)
store i8* %10, i8** %4
%11 = load i8*, i8** %4
%12 = icmp ne i8* %11, null
br i1 %12, label %13, label %15
13: ; preds = %8
%14 = load i8*, i8** %4
store i8* %14, i8** %2
br label %19
15: ; preds = %8
%16 = load i32, i32* @stderr
%17 = call i32 @fprintf(i32 %16, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0))
%18 = call i32 @exit(i32 1)
unreachable
19: ; preds = %13, %7
%20 = load i8*, i8** %2
ret i8* %20
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [26 x i8] c"PANIC: not enough memory\0A\00"
define i8* @android_alloc0(i64 %0) {
%2 = icmp eq i64 %0, 0
br i1 %2, label %10, label %3
3: ; preds = %1
%4 = tail call i8* @calloc(i32 1, i64 %0)
%5 = icmp eq i8* %4, null
br i1 %5, label %6, label %10
6: ; preds = %3
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0))
%9 = tail call i32 @exit(i32 1)
unreachable
10: ; preds = %3, %1
%11 = phi i8* [ null, %1 ], [ %4, %3 ]
ret i8* %11
}