#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*/ *fopen(char *, char *);
int /*<<< orphan*/ fread(char *, long, int, int /*<<< orphan*/ *);
int /*<<< orphan*/ fseek(int /*<<< orphan*/ *, int /*<<< orphan*/,
                         int /*<<< orphan*/);
long ftell(int /*<<< orphan*/ *);
scalar_t__ malloc(long);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ rewind(int /*<<< orphan*/ *);
char *getFileText(char *file) {
  FILE *fp;
  fp = fopen(file, "rb");
  char *fileText;
  long fsize = 0;
  if (fp) {
    fseek(fp, 0, SEEK_END);
    fsize = ftell(fp);
    rewind(fp);
    fileText = (char *)malloc(fsize + 1);
    if (!fileText) {
      printf("Out of memory!\n");
      return NULL;
    }
    fread(fileText, fsize, 1, fp);
    fileText[fsize] = '\0';
    fclose(fp);
  }
  return fileText;
}


x86 assembly (clang, -O0):
<getFileText>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xe69(%rip),%rsi
call   10a0 <fopen@plt>
mov    %rax,-0x18(%rbp)
movq   $0x0,-0x28(%rbp)
cmpq   $0x0,-0x18(%rbp)
je     123d <getFileText+0xbd>
mov    -0x18(%rbp),%rdi
mov    0x2e2a(%rip),%rax
mov    (%rax),%edx
xor    %esi,%esi
call   1090 <fseek@plt>
mov    -0x18(%rbp),%rdi
call   1070 <ftell@plt>
mov    %rax,-0x28(%rbp)
mov    -0x18(%rbp),%rdi
call   1060 <rewind@plt>
mov    -0x28(%rbp),%rdi
add    $0x1,%rdi
call   1080 <malloc@plt>
mov    %rax,-0x20(%rbp)
cmpq   $0x0,-0x20(%rbp)
jne    1212 <getFileText+0x92>
lea    0xe03(%rip),%rdi
call   1050 <printf@plt>
movq   $0x0,-0x8(%rbp)
jmp    1245 <getFileText+0xc5>
mov    -0x20(%rbp),%rdi
mov    -0x28(%rbp),%rsi
mov    -0x18(%rbp),%rcx
mov    $0x1,%edx
call   1030 <fread@plt>
mov    -0x20(%rbp),%rax
mov    -0x28(%rbp),%rcx
movb   $0x0,(%rax,%rcx,1)
mov    -0x18(%rbp),%rdi
call   1040 <fclose@plt>
mov    -0x20(%rbp),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<getFileText>:
push   %r15
push   %r14
push   %rbx
lea    0xe74(%rip),%rsi
call   10a0 <fopen@plt>
test   %rax,%rax
je     11f2 <getFileText+0x72>
mov    %rax,%rbx
mov    0x2e48(%rip),%rax
mov    (%rax),%edx
mov    %rbx,%rdi
xor    %esi,%esi
call   1090 <fseek@plt>
mov    %rbx,%rdi
call   1070 <ftell@plt>
mov    %rax,%r15
mov    %rbx,%rdi
call   1060 <rewind@plt>
lea    0x1(%r15),%rdi
call   1080 <malloc@plt>
test   %rax,%rax
je     11f4 <getFileText+0x74>
mov    %rax,%r14
mov    %rax,%rdi
mov    %r15,%rsi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1040 <fread@plt>
movb   $0x0,(%r14,%r15,1)
mov    %rbx,%rdi
call   1050 <fclose@plt>
jmp    1203 <getFileText+0x83>
jmp    1203 <getFileText+0x83>
lea    0xe08(%rip),%rdi
call   1030 <puts@plt>
xor    %r14d,%r14d
mov    %r14,%rax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [3 x i8] c"rb\00"
@SEEK_END = global i32 0
@.str.1 = [16 x i8] c"Out of memory!\0A\00"
define i8* @getFileText(i8* %0) {
%2 = alloca i8*
%3 = alloca i8*
%4 = alloca i32*
%5 = alloca i8*
%6 = alloca i64
store i8* %0, i8** %3
%7 = load i8*, i8** %3
%8 = call i32* @fopen(i8* %7, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
store i32* %8, i32** %4
store i64 0, i64* %6
%9 = load i32*, i32** %4
%10 = icmp ne i32* %9, null
br i1 %10, label %11, label %37
11: ; preds = %1
%12 = load i32*, i32** %4
%13 = load i32, i32* @SEEK_END
%14 = call i32 @fseek(i32* %12, i32 0, i32 %13)
%15 = load i32*, i32** %4
%16 = call i64 @ftell(i32* %15)
store i64 %16, i64* %6
%17 = load i32*, i32** %4
%18 = call i32 @rewind(i32* %17)
%19 = load i64, i64* %6
%20 = add nsw i64 %19, 1
%21 = call i64 @malloc(i64 %20)
%22 = inttoptr i64 %21 to i8*
store i8* %22, i8** %5
%23 = load i8*, i8** %5
%24 = icmp ne i8* %23, null
br i1 %24, label %27, label %25
25: ; preds = %11
%26 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
store i8* null, i8** %2
br label %39
27: ; preds = %11
%28 = load i8*, i8** %5
%29 = load i64, i64* %6
%30 = load i32*, i32** %4
%31 = call i32 @fread(i8* %28, i64 %29, i32 1, i32* %30)
%32 = load i8*, i8** %5
%33 = load i64, i64* %6
%34 = getelementptr inbounds i8, i8* %32, i64 %33
store i8 0, i8* %34
%35 = load i32*, i32** %4
%36 = call i32 @fclose(i32* %35)
br label %37
37: ; preds = %27, %1
%38 = load i8*, i8** %5
store i8* %38, i8** %2
br label %39
39: ; preds = %37, %25
%40 = load i8*, i8** %2
ret i8* %40
}

LLVM IR (-O2):
@.str = [3 x i8] c"rb\00"
@SEEK_END = global i32 0
@str = [15 x i8] c"Out of memory!\00"
define i8* @getFileText(i8* nocapture %0) {
%2 = tail call i32* @fopen(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i32* %2, null
br i1 %3, label %19, label %4
4: ; preds = %1
%5 = load i32, i32* @SEEK_END
%6 = tail call i32 @fseek(i32* %2, i32 0, i32 %5)
%7 = tail call i64 @ftell(i32* %2)
%8 = tail call i32 @rewind(i32* %2)
%9 = add nsw i64 %7, 1
%10 = tail call i64 @malloc(i64 %9)
%11 = inttoptr i64 %10 to i8*
%12 = icmp eq i64 %10, 0
br i1 %12, label %13, label %15
13: ; preds = %4
%14 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @str, i64 0, i64 0))
br label %19
15: ; preds = %4
%16 = tail call i32 @fread(i8* %11, i64 %7, i32 1, i32* %2)
%17 = getelementptr inbounds i8, i8* %11, i64 %7
store i8 0, i8* %17
%18 = tail call i32 @fclose(i32* %2)
br label %19
19: ; preds = %1, %15, %13
%20 = phi i8* [ null, %13 ], [ %11, %15 ], [ undef, %1 ]
ret i8* %20
}