#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*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ fread(char *, int, long, int /*<<< orphan*/ *);
int /*<<< orphan*/ fseek(int /*<<< orphan*/ *, int /*<<< orphan*/,
                         int /*<<< orphan*/);
long ftell(int /*<<< orphan*/ *);
scalar_t__ malloc(int);
int /*<<< orphan*/ rewind(int /*<<< orphan*/ *);
char *ReadFile(FILE *f) {
  fseek(f, 0, SEEK_END);
  long fsize = ftell(f);
  rewind(f);
  char *buffer = (char *)malloc(sizeof(char) * fsize);
  fread(buffer, 1, fsize, f);
  fclose(f);
  buffer[fsize] = '\0';
  return buffer;
}


x86 assembly (clang, -O0):
<ReadFile>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
mov    0x2e71(%rip),%rax
mov    (%rax),%edx
xor    %esi,%esi
call   1080 <fseek@plt>
mov    -0x8(%rbp),%rdi
call   1060 <ftell@plt>
mov    %rax,-0x10(%rbp)
mov    -0x8(%rbp),%rdi
call   1050 <rewind@plt>
mov    -0x10(%rbp),%rax
shl    $0x0,%rax
mov    %eax,%edi
call   1070 <malloc@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rdx
mov    -0x8(%rbp),%rcx
mov    $0x1,%esi
call   1030 <fread@plt>
mov    -0x8(%rbp),%rdi
call   1040 <fclose@plt>
mov    -0x18(%rbp),%rax
mov    -0x10(%rbp),%rcx
movb   $0x0,(%rax,%rcx,1)
mov    -0x18(%rbp),%rax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<ReadFile>:
push   %r15
push   %r14
push   %rbx
mov    %rdi,%r15
mov    0x2e79(%rip),%rax
mov    (%rax),%edx
xor    %esi,%esi
call   1080 <fseek@plt>
mov    %r15,%rdi
call   1060 <ftell@plt>
mov    %rax,%r14
mov    %r15,%rdi
call   1050 <rewind@plt>
mov    %r14d,%edi
call   1070 <malloc@plt>
mov    %rax,%rbx
mov    %rax,%rdi
mov    $0x1,%esi
mov    %r14,%rdx
mov    %r15,%rcx
call   1030 <fread@plt>
mov    %r15,%rdi
call   1040 <fclose@plt>
movb   $0x0,(%rbx,%r14,1)
mov    %rbx,%rax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@SEEK_END = global i32 0
define i8* @ReadFile(i32* %0) {
%2 = alloca i32*
%3 = alloca i64
%4 = alloca i8*
store i32* %0, i32** %2
%5 = load i32*, i32** %2
%6 = load i32, i32* @SEEK_END
%7 = call i32 @fseek(i32* %5, i32 0, i32 %6)
%8 = load i32*, i32** %2
%9 = call i64 @ftell(i32* %8)
store i64 %9, i64* %3
%10 = load i32*, i32** %2
%11 = call i32 @rewind(i32* %10)
%12 = load i64, i64* %3
%13 = mul i64 1, %12
%14 = trunc i64 %13 to i32
%15 = call i64 @malloc(i32 %14)
%16 = inttoptr i64 %15 to i8*
store i8* %16, i8** %4
%17 = load i8*, i8** %4
%18 = load i64, i64* %3
%19 = load i32*, i32** %2
%20 = call i32 @fread(i8* %17, i32 1, i64 %18, i32* %19)
%21 = load i32*, i32** %2
%22 = call i32 @fclose(i32* %21)
%23 = load i8*, i8** %4
%24 = load i64, i64* %3
%25 = getelementptr inbounds i8, i8* %23, i64 %24
store i8 0, i8* %25
%26 = load i8*, i8** %4
ret i8* %26
}

LLVM IR (-O2):
@SEEK_END = global i32 0
define i8* @ReadFile(i32* nocapture %0) {
%2 = load i32, i32* @SEEK_END
%3 = tail call i32 @fseek(i32* %0, i32 0, i32 %2)
%4 = tail call i64 @ftell(i32* %0)
%5 = tail call i32 @rewind(i32* %0)
%6 = trunc i64 %4 to i32
%7 = tail call i64 @malloc(i32 %6)
%8 = inttoptr i64 %7 to i8*
%9 = tail call i32 @fread(i8* %8, i32 1, i64 %4, i32* %0)
%10 = tail call i32 @fclose(i32* %0)
%11 = getelementptr inbounds i8, i8* %8, i64 %4
store i8 0, i8* %11
ret i8* %8
}