#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*/ fread(char *, size_t, size_t, int /*<<< orphan*/ *);
void src_long4_read(FILE *fd, long *valp) {
  int val4;
  unsigned char b[4];
  fread((char *)&b[0], (size_t)1, (size_t)4, fd);
  val4 = (int)(((((b[0] << 8) + b[1]) << 8) + b[2]) << 8) + b[3];
  *valp = val4;
}


x86 assembly (clang, -O0):
<src_long4_read>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    -0x18(%rbp),%rdi
mov    -0x8(%rbp),%rcx
mov    $0x1,%esi
mov    $0x4,%edx
call   1030 <fread@plt>
movzbl -0x18(%rbp),%eax
shl    $0x8,%eax
movzbl -0x17(%rbp),%ecx
add    %ecx,%eax
shl    $0x8,%eax
movzbl -0x16(%rbp),%ecx
add    %ecx,%eax
shl    $0x8,%eax
movzbl -0x15(%rbp),%ecx
add    %ecx,%eax
mov    %eax,-0x14(%rbp)
movslq -0x14(%rbp),%rcx
mov    -0x10(%rbp),%rax
mov    %rcx,(%rax)
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<src_long4_read>:
push   %rbx
sub    $0x10,%rsp
mov    %rsi,%rbx
mov    %rdi,%rcx
lea    0xc(%rsp),%rdi
mov    $0x1,%esi
mov    $0x4,%edx
call   1030 <fread@plt>
movzbl 0xc(%rsp),%eax
movzbl 0xd(%rsp),%ecx
shl    $0x10,%eax
shl    $0x8,%ecx
or     %eax,%ecx
movzbl 0xe(%rsp),%eax
or     %ecx,%eax
shl    $0x8,%eax
movzbl 0xf(%rsp),%ecx
cltq
or     %rcx,%rax
mov    %rax,(%rbx)
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
define void @src_long4_read(i32* %0, i64* %1) {
%3 = alloca i32*
%4 = alloca i64*
%5 = alloca i32
%6 = alloca [4 x i8]
store i32* %0, i32** %3
store i64* %1, i64** %4
%7 = getelementptr inbounds [4 x i8], [4 x i8]* %6, i64 0, i64 0
%8 = load i32*, i32** %3
%9 = call i32 @fread(i8* %7, i64 1, i64 4, i32* %8)
%10 = getelementptr inbounds [4 x i8], [4 x i8]* %6, i64 0, i64 0
%11 = load i8, i8* %10
%12 = zext i8 %11 to i32
%13 = shl i32 %12, 8
%14 = getelementptr inbounds [4 x i8], [4 x i8]* %6, i64 0, i64 1
%15 = load i8, i8* %14
%16 = zext i8 %15 to i32
%17 = add nsw i32 %13, %16
%18 = shl i32 %17, 8
%19 = getelementptr inbounds [4 x i8], [4 x i8]* %6, i64 0, i64 2
%20 = load i8, i8* %19
%21 = zext i8 %20 to i32
%22 = add nsw i32 %18, %21
%23 = shl i32 %22, 8
%24 = getelementptr inbounds [4 x i8], [4 x i8]* %6, i64 0, i64 3
%25 = load i8, i8* %24
%26 = zext i8 %25 to i32
%27 = add nsw i32 %23, %26
store i32 %27, i32* %5
%28 = load i32, i32* %5
%29 = sext i32 %28 to i64
%30 = load i64*, i64** %4
store i64 %29, i64* %30
ret void
}

LLVM IR (-O2):
define void @src_long4_read(i32* nocapture %0, i64* nocapture writeonly %1) {
%3 = alloca [4 x i8]
%4 = getelementptr inbounds [4 x i8], [4 x i8]* %3, i64 0, i64 0
%5 = call i32 @fread(i8* %4, i64 1, i64 4, i32* %0)
%6 = load i8, i8* %4
%7 = zext i8 %6 to i32
%8 = getelementptr inbounds [4 x i8], [4 x i8]* %3, i64 0, i64 1
%9 = load i8, i8* %8
%10 = zext i8 %9 to i32
%11 = shl nuw nsw i32 %7, 16
%12 = shl nuw nsw i32 %10, 8
%13 = or i32 %12, %11
%14 = getelementptr inbounds [4 x i8], [4 x i8]* %3, i64 0, i64 2
%15 = load i8, i8* %14
%16 = zext i8 %15 to i32
%17 = or i32 %13, %16
%18 = shl nuw i32 %17, 8
%19 = getelementptr inbounds [4 x i8], [4 x i8]* %3, i64 0, i64 3
%20 = load i8, i8* %19
%21 = zext i8 %20 to i32
%22 = or i32 %18, %21
%23 = sext i32 %22 to i64
store i64 %23, i64* %1
ret void
}