#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ SEEK_END;
int /*<<< orphan*/ SEEK_SET;
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char const *, char *);
int /*<<< orphan*/ fread(char *, int, long, int /*<<< orphan*/ *);
int /*<<< orphan*/ fseek(int /*<<< orphan*/ *, long, int /*<<< orphan*/);
long ftell(int /*<<< orphan*/ *);
char *mp_calloc(long, int);
long mp_slurp(const char *filename, char **content) {
  FILE *infile;
  long filesize;
  infile = fopen(filename, "r");
  if (infile == NULL) {
    return -1;
  }
  fseek(infile, 0L, SEEK_END);
  filesize = ftell(infile);
  fseek(infile, 0L, SEEK_SET);
  *content = mp_calloc(filesize + 1, sizeof(char));
  fread(*content, sizeof(char), filesize, infile);
  fclose(infile);
  return filesize;
}


x86 assembly (clang, -O0):
<mp_slurp>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xe85(%rip),%rsi
call   1080 <fopen@plt>
mov    %rax,-0x20(%rbp)
cmpq   $0x0,-0x20(%rbp)
jne    119c <mp_slurp+0x3c>
movq   $0xffffffffffffffff,-0x8(%rbp)
ff
jmp    121b <mp_slurp+0xbb>
mov    -0x20(%rbp),%rdi
mov    0x2e41(%rip),%rax
mov    (%rax),%edx
xor    %eax,%eax
mov    %eax,%esi
call   1070 <fseek@plt>
mov    -0x20(%rbp),%rdi
call   1060 <ftell@plt>
mov    %rax,-0x28(%rbp)
mov    -0x20(%rbp),%rdi
mov    0x2e0e(%rip),%rax
mov    (%rax),%edx
xor    %eax,%eax
mov    %eax,%esi
call   1070 <fseek@plt>
mov    -0x28(%rbp),%rdi
add    $0x1,%rdi
mov    $0x1,%esi
call   1030 <mp_calloc@plt>
mov    %rax,%rcx
mov    -0x18(%rbp),%rax
mov    %rcx,(%rax)
mov    -0x18(%rbp),%rax
mov    (%rax),%rdi
mov    -0x28(%rbp),%rdx
mov    -0x20(%rbp),%rcx
mov    $0x1,%esi
call   1040 <fread@plt>
mov    -0x20(%rbp),%rdi
call   1050 <fclose@plt>
mov    -0x28(%rbp),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<mp_slurp>:
push   %r15
push   %r14
push   %rbx
mov    %rsi,%r14
lea    0xe91(%rip),%rsi
call   1080 <fopen@plt>
test   %rax,%rax
je     11db <mp_slurp+0x7b>
mov    %rax,%rbx
mov    0x2e65(%rip),%rax
mov    (%rax),%edx
mov    %rbx,%rdi
xor    %esi,%esi
call   1070 <fseek@plt>
mov    %rbx,%rdi
call   1060 <ftell@plt>
mov    %rax,%r15
mov    0x2e37(%rip),%rax
mov    (%rax),%edx
mov    %rbx,%rdi
xor    %esi,%esi
call   1070 <fseek@plt>
lea    0x1(%r15),%rdi
mov    $0x1,%esi
call   1030 <mp_calloc@plt>
mov    %rax,(%r14)
mov    %rax,%rdi
mov    $0x1,%esi
mov    %r15,%rdx
mov    %rbx,%rcx
call   1040 <fread@plt>
mov    %rbx,%rdi
call   1050 <fclose@plt>
jmp    11e2 <mp_slurp+0x82>
mov    $0xffffffffffffffff,%r15
mov    %r15,%rax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [2 x i8] c"r\00"
@SEEK_END = global i32 0
@SEEK_SET = global i32 0
define i64 @mp_slurp(i8* %0, i8** %1) {
%3 = alloca i64
%4 = alloca i8*
%5 = alloca i8**
%6 = alloca i32*
%7 = alloca i64
store i8* %0, i8** %4
store i8** %1, i8*** %5
%8 = load i8*, i8** %4
%9 = call i32* @fopen(i8* %8, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
store i32* %9, i32** %6
%10 = load i32*, i32** %6
%11 = icmp eq i32* %10, null
br i1 %11, label %12, label %13
12: ; preds = %2
store i64 -1, i64* %3
br label %34
13: ; preds = %2
%14 = load i32*, i32** %6
%15 = load i32, i32* @SEEK_END
%16 = call i32 @fseek(i32* %14, i64 0, i32 %15)
%17 = load i32*, i32** %6
%18 = call i64 @ftell(i32* %17)
store i64 %18, i64* %7
%19 = load i32*, i32** %6
%20 = load i32, i32* @SEEK_SET
%21 = call i32 @fseek(i32* %19, i64 0, i32 %20)
%22 = load i64, i64* %7
%23 = add nsw i64 %22, 1
%24 = call i8* @mp_calloc(i64 %23, i32 1)
%25 = load i8**, i8*** %5
store i8* %24, i8** %25
%26 = load i8**, i8*** %5
%27 = load i8*, i8** %26
%28 = load i64, i64* %7
%29 = load i32*, i32** %6
%30 = call i32 @fread(i8* %27, i32 1, i64 %28, i32* %29)
%31 = load i32*, i32** %6
%32 = call i32 @fclose(i32* %31)
%33 = load i64, i64* %7
store i64 %33, i64* %3
br label %34
34: ; preds = %13, %12
%35 = load i64, i64* %3
ret i64 %35
}

LLVM IR (-O2):
@.str = [2 x i8] c"r\00"
@SEEK_END = global i32 0
@SEEK_SET = global i32 0
define i64 @mp_slurp(i8* nocapture %0, i8** nocapture writeonly %1) {
%3 = tail call i32* @fopen(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%4 = icmp eq i32* %3, null
br i1 %4, label %15, label %5
5: ; preds = %2
%6 = load i32, i32* @SEEK_END
%7 = tail call i32 @fseek(i32* %3, i64 0, i32 %6)
%8 = tail call i64 @ftell(i32* %3)
%9 = load i32, i32* @SEEK_SET
%10 = tail call i32 @fseek(i32* %3, i64 0, i32 %9)
%11 = add nsw i64 %8, 1
%12 = tail call i8* @mp_calloc(i64 %11, i32 1)
store i8* %12, i8** %1
%13 = tail call i32 @fread(i8* %12, i32 1, i64 %8, i32* %3)
%14 = tail call i32 @fclose(i32* %3)
br label %15
15: ; preds = %2, %5
%16 = phi i64 [ %8, %5 ], [ -1, %2 ]
ret i64 %16
}