#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 */
struct timeval {
  scalar_t__ tv_sec;
  scalar_t__ tv_usec;
};

/* Variables and functions */
int timeval_equals(struct timeval *tv0, struct timeval *tv1) {
  if (tv0->tv_sec == tv1->tv_sec && tv0->tv_usec == tv1->tv_usec)
    return 1;
  else
    return 0;
}


x86 assembly (clang, -O0):
<timeval_equals>:
push   %rbp
mov    %rsp,%rbp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%rax
mov    -0x18(%rbp),%rcx
cmp    (%rcx),%rax
jne    1142 <timeval_equals+0x42>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rax
mov    -0x18(%rbp),%rcx
cmp    0x8(%rcx),%rax
jne    1142 <timeval_equals+0x42>
movl   $0x1,-0x4(%rbp)
jmp    1149 <timeval_equals+0x49>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
pop    %rbp
ret

x86 assembly (clang, -O2):
<timeval_equals>:
mov    (%rdi),%rax
cmp    (%rsi),%rax
jne    1117 <timeval_equals+0x17>
mov    0x8(%rdi),%rcx
mov    $0x1,%eax
cmp    0x8(%rsi),%rcx
je     1119 <timeval_equals+0x19>
xor    %eax,%eax
ret

LLVM IR (-O0):
%struct.timeval = type { i64, i64 }
define i32 @timeval_equals(%struct.timeval* %0, %struct.timeval* %1) {
%3 = alloca i32
%4 = alloca %struct.timeval*
%5 = alloca %struct.timeval*
store %struct.timeval* %0, %struct.timeval** %4
store %struct.timeval* %1, %struct.timeval** %5
%6 = load %struct.timeval*, %struct.timeval** %4
%7 = getelementptr inbounds %struct.timeval, %struct.timeval* %6, i32 0, i32 0
%8 = load i64, i64* %7
%9 = load %struct.timeval*, %struct.timeval** %5
%10 = getelementptr inbounds %struct.timeval, %struct.timeval* %9, i32 0, i32 0
%11 = load i64, i64* %10
%12 = icmp eq i64 %8, %11
br i1 %12, label %13, label %22
13: ; preds = %2
%14 = load %struct.timeval*, %struct.timeval** %4
%15 = getelementptr inbounds %struct.timeval, %struct.timeval* %14, i32 0, i32 1
%16 = load i64, i64* %15
%17 = load %struct.timeval*, %struct.timeval** %5
%18 = getelementptr inbounds %struct.timeval, %struct.timeval* %17, i32 0, i32 1
%19 = load i64, i64* %18
%20 = icmp eq i64 %16, %19
br i1 %20, label %21, label %22
21: ; preds = %13
store i32 1, i32* %3
br label %23
22: ; preds = %13, %2
store i32 0, i32* %3
br label %23
23: ; preds = %22, %21
%24 = load i32, i32* %3
ret i32 %24
}

LLVM IR (-O2):
%struct.timeval = type { i64, i64 }
define i32 @timeval_equals(%struct.timeval* nocapture %0, %struct.timeval* nocapture %1) {
%3 = getelementptr inbounds %struct.timeval, %struct.timeval* %0, i64 0, i32 0
%4 = load i64, i64* %3
%5 = getelementptr inbounds %struct.timeval, %struct.timeval* %1, i64 0, i32 0
%6 = load i64, i64* %5
%7 = icmp eq i64 %4, %6
br i1 %7, label %8, label %14
8: ; preds = %2
%9 = getelementptr inbounds %struct.timeval, %struct.timeval* %0, i64 0, i32 1
%10 = load i64, i64* %9
%11 = getelementptr inbounds %struct.timeval, %struct.timeval* %1, i64 0, i32 1
%12 = load i64, i64* %11
%13 = icmp eq i64 %10, %12
br i1 %13, label %15, label %14
14: ; preds = %8, %2
br label %15
15: ; preds = %8, %14
%16 = phi i32 [ 0, %14 ], [ 1, %8 ]
ret i32 %16
}