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

/* Variables and functions */
int /*<<< orphan*/ vfprintf(int /*<<< orphan*/ *, char const *,
                            int /*<<< orphan*/);
void uninitvar_vfprintf(FILE *Stream, const char *Format, va_list Arg) {
  FILE *stream;
  char *format;
  va_list arg;
  (void)vfprintf(stream, format, arg);
  (void)vfprintf(stream, Format, Arg);
  (void)vfprintf(Stream, format, Arg);
  (void)vfprintf(Stream, Format, Arg);
  (void)vfprintf(Stream, Format, arg);
}


x86 assembly (clang, -O0):
<uninitvar_vfprintf>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %edx,-0x14(%rbp)
mov    -0x20(%rbp),%rdi
mov    -0x28(%rbp),%rsi
mov    -0x2c(%rbp),%edx
call   1030 <vfprintf@plt>
mov    -0x20(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x14(%rbp),%edx
call   1030 <vfprintf@plt>
mov    -0x8(%rbp),%rdi
mov    -0x28(%rbp),%rsi
mov    -0x14(%rbp),%edx
call   1030 <vfprintf@plt>
mov    -0x8(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x14(%rbp),%edx
call   1030 <vfprintf@plt>
mov    -0x8(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x2c(%rbp),%edx
call   1030 <vfprintf@plt>
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<uninitvar_vfprintf>:
push   %r15
push   %r14
push   %rbx
mov    %edx,%ebx
mov    %rsi,%r14
mov    %rdi,%r15
call   1030 <vfprintf@plt>
mov    %r14,%rsi
mov    %ebx,%edx
call   1030 <vfprintf@plt>
mov    %r15,%rdi
mov    %ebx,%edx
call   1030 <vfprintf@plt>
mov    %r15,%rdi
mov    %r14,%rsi
mov    %ebx,%edx
call   1030 <vfprintf@plt>
mov    %r15,%rdi
mov    %r14,%rsi
pop    %rbx
pop    %r14
pop    %r15
jmp    1030 <vfprintf@plt>

LLVM IR (-O0):
define void @uninitvar_vfprintf(i32* %0, i8* %1, i32 %2) {
%4 = alloca i32*
%5 = alloca i8*
%6 = alloca i32
%7 = alloca i32*
%8 = alloca i8*
%9 = alloca i32
store i32* %0, i32** %4
store i8* %1, i8** %5
store i32 %2, i32* %6
%10 = load i32*, i32** %7
%11 = load i8*, i8** %8
%12 = load i32, i32* %9
%13 = call i32 @vfprintf(i32* %10, i8* %11, i32 %12)
%14 = load i32*, i32** %7
%15 = load i8*, i8** %5
%16 = load i32, i32* %6
%17 = call i32 @vfprintf(i32* %14, i8* %15, i32 %16)
%18 = load i32*, i32** %4
%19 = load i8*, i8** %8
%20 = load i32, i32* %6
%21 = call i32 @vfprintf(i32* %18, i8* %19, i32 %20)
%22 = load i32*, i32** %4
%23 = load i8*, i8** %5
%24 = load i32, i32* %6
%25 = call i32 @vfprintf(i32* %22, i8* %23, i32 %24)
%26 = load i32*, i32** %4
%27 = load i8*, i8** %5
%28 = load i32, i32* %9
%29 = call i32 @vfprintf(i32* %26, i8* %27, i32 %28)
ret void
}

LLVM IR (-O2):
define void @uninitvar_vfprintf(i32* nocapture %0, i8* nocapture %1, i32 %2) {
%4 = tail call i32 @vfprintf(i32* undef, i8* undef, i32 undef)
%5 = tail call i32 @vfprintf(i32* undef, i8* %1, i32 %2)
%6 = tail call i32 @vfprintf(i32* %0, i8* undef, i32 %2)
%7 = tail call i32 @vfprintf(i32* %0, i8* %1, i32 %2)
%8 = tail call i32 @vfprintf(i32* %0, i8* %1, i32 undef)
ret void
}