#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*/ LOG_CRIT;
int /*<<< orphan*/ _debug(char *, int, int /*<<< orphan*/, char *, size_t,
                          int /*<<< orphan*/);
int /*<<< orphan*/ errno;
int /*<<< orphan*/ exit(int);
void *malloc(size_t);
int /*<<< orphan*/ memset(void *, int /*<<< orphan*/, size_t);
int /*<<< orphan*/ strerror(int /*<<< orphan*/);
void *safe_malloc(size_t size) {
  void *retval = ((void *)0);
  retval = malloc(size);
  if (!retval) {
    _debug("/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/"
           "2022-01-22/02-19-57/repos/richardhmm/HMMCodeRepository/refs/heads/"
           "master/c_demo/src/safe.c",
           90, LOG_CRIT,
           "Failed to malloc %d bytes of memory: %s.  Bailing out", size,
           strerror(errno));
    exit(1);
  }
  memset(retval, 0, size);
  return (retval);
}


x86 assembly (clang, -O0):
<safe_malloc>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
movq   $0x0,-0x10(%rbp)
mov    -0x8(%rbp),%rdi
call   1050 <malloc@plt>
mov    %rax,-0x10(%rbp)
cmpq   $0x0,-0x10(%rbp)
jne    11ca <safe_malloc+0x7a>
mov    0x2e65(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x1c(%rbp)
mov    -0x8(%rbp),%rax
mov    %rax,-0x18(%rbp)
mov    0x2e41(%rip),%rax
mov    (%rax),%edi
call   1070 <strerror@plt>
mov    -0x1c(%rbp),%edx
mov    -0x18(%rbp),%r8
mov    %eax,%r9d
lea    0xe51(%rip),%rdi
mov    $0x5a,%esi
lea    0xee0(%rip),%rcx
call   1040 <_debug@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    -0x10(%rbp),%rdi
mov    -0x8(%rbp),%rdx
xor    %esi,%esi
call   1030 <memset@plt>
mov    -0x10(%rbp),%rax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<safe_malloc>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%r14
call   1050 <malloc@plt>
test   %rax,%rax
je     117c <safe_malloc+0x2c>
mov    %rax,%rbx
mov    %rax,%rdi
xor    %esi,%esi
mov    %r14,%rdx
call   1030 <memset@plt>
mov    %rbx,%rax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret
mov    0x2e65(%rip),%rax
mov    (%rax),%ebx
mov    0x2e4c(%rip),%rax
mov    (%rax),%edi
call   1070 <strerror@plt>
lea    0xe66(%rip),%rdi
lea    0xefa(%rip),%rcx
mov    $0x5a,%esi
mov    %ebx,%edx
mov    %r14,%r8
mov    %eax,%r9d
call   1040 <_debug@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [155 x i8] c"/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/richardhmm/HMMCodeRepository/refs/heads/master/c_demo/src/safe.c\00"
@LOG_CRIT = global i32 0
@.str.1 = [54 x i8] c"Failed to malloc %d bytes of memory: %s. Bailing out\00"
@errno = global i32 0
define i8* @safe_malloc(i64 %0) {
%2 = alloca i64
%3 = alloca i8*
store i64 %0, i64* %2
store i8* null, i8** %3
%4 = load i64, i64* %2
%5 = call i8* @malloc(i64 %4)
store i8* %5, i8** %3
%6 = load i8*, i8** %3
%7 = icmp ne i8* %6, null
br i1 %7, label %15, label %8
8: ; preds = %1
%9 = load i32, i32* @LOG_CRIT
%10 = load i64, i64* %2
%11 = load i32, i32* @errno
%12 = call i32 @strerror(i32 %11)
%13 = call i32 @_debug(i8* getelementptr inbounds ([155 x i8], [155 x i8]* @.str, i64 0, i64 0), i32 90, i32 %9, i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0), i64 %10, i32 %12)
%14 = call i32 @exit(i32 1)
unreachable
15: ; preds = %1
%16 = load i8*, i8** %3
%17 = load i64, i64* %2
%18 = call i32 @memset(i8* %16, i32 0, i64 %17)
%19 = load i8*, i8** %3
ret i8* %19
}

LLVM IR (-O2):
@.str = [155 x i8] c"/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/richardhmm/HMMCodeRepository/refs/heads/master/c_demo/src/safe.c\00"
@LOG_CRIT = global i32 0
@.str.1 = [54 x i8] c"Failed to malloc %d bytes of memory: %s. Bailing out\00"
@errno = global i32 0
define i8* @safe_malloc(i64 %0) {
%2 = tail call i8* @malloc(i64 %0)
%3 = icmp eq i8* %2, null
br i1 %3, label %4, label %10
4: ; preds = %1
%5 = load i32, i32* @LOG_CRIT
%6 = load i32, i32* @errno
%7 = tail call i32 @strerror(i32 %6)
%8 = tail call i32 @_debug(i8* getelementptr inbounds ([155 x i8], [155 x i8]* @.str, i64 0, i64 0), i32 90, i32 %5, i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0), i64 %0, i32 %7)
%9 = tail call i32 @exit(i32 1)
unreachable
10: ; preds = %1
%11 = tail call i32 @memset(i8* %2, i32 0, i64 %0)
ret i8* %2
}