#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*/ EXIT_FAILURE;
int /*<<< orphan*/ err(int /*<<< orphan*/, char *, char const *);
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char const *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, unsigned int);
void write_val(const char *path, unsigned int val) {
  FILE *f;
  f = fopen(path, "w");
  if (f == NULL)
    err(EXIT_FAILURE, "%s", path);
  fprintf(f, "%u", val);
  fclose(f);
}


x86 assembly (clang, -O0):
<write_val>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    -0x8(%rbp),%rdi
lea    0xea6(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,-0x18(%rbp)
cmpq   $0x0,-0x18(%rbp)
jne    1187 <write_val+0x47>
mov    0x2e6b(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xe80(%rip),%rsi
call   1050 <err@plt>
mov    -0x18(%rbp),%rdi
mov    -0xc(%rbp),%edx
lea    0xe70(%rip),%rsi
call   1040 <fprintf@plt>
mov    -0x18(%rbp),%rdi
call   1030 <fclose@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<write_val>:
push   %rbp
push   %r14
push   %rbx
mov    %esi,%r14d
mov    %rdi,%rbp
lea    0xeaf(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,%rbx
test   %rax,%rax
jne    1176 <write_val+0x36>
mov    0x2e7b(%rip),%rax
mov    (%rax),%edi
lea    0xe94(%rip),%rsi
mov    %rbp,%rdx
call   1050 <err@plt>
lea    0xe88(%rip),%rsi
mov    %rbx,%rdi
mov    %r14d,%edx
call   1040 <fprintf@plt>
mov    %rbx,%rdi
pop    %rbx
pop    %r14
pop    %rbp
jmp    1030 <fclose@plt>

LLVM IR (-O0):
@.str = [2 x i8] c"w\00"
@EXIT_FAILURE = global i32 0
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [3 x i8] c"%u\00"
define void @write_val(i8* %0, i32 %1) {
%3 = alloca i8*
%4 = alloca i32
%5 = alloca i32*
store i8* %0, i8** %3
store i32 %1, i32* %4
%6 = load i8*, i8** %3
%7 = call i32* @fopen(i8* %6, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
store i32* %7, i32** %5
%8 = load i32*, i32** %5
%9 = icmp eq i32* %8, null
br i1 %9, label %10, label %14
10: ; preds = %2
%11 = load i32, i32* @EXIT_FAILURE
%12 = load i8*, i8** %3
%13 = call i32 @err(i32 %11, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %12)
br label %14
14: ; preds = %10, %2
%15 = load i32*, i32** %5
%16 = load i32, i32* %4
%17 = call i32 @fprintf(i32* %15, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32 %16)
%18 = load i32*, i32** %5
%19 = call i32 @fclose(i32* %18)
ret void
}

LLVM IR (-O2):
@.str = [2 x i8] c"w\00"
@EXIT_FAILURE = global i32 0
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [3 x i8] c"%u\00"
define void @write_val(i8* %0, i32 %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 %5, label %8
5: ; preds = %2
%6 = load i32, i32* @EXIT_FAILURE
%7 = tail call i32 @err(i32 %6, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %0)
br label %8
8: ; preds = %5, %2
%9 = tail call i32 @fprintf(i32* %3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32 %1)
%10 = tail call i32 @fclose(i32* %3)
ret void
}