#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 */

/* Variables and functions */
int /*<<< orphan*/ assert(int);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ puts(char *);
void fun4(char data[3]) {
  printf("CFFI test4...");
  assert(data[0] == 'A' && data[1] == 'B' && data[2] == 'C');
  puts("OK");
}


x86 assembly (clang, -O0):
<fun4>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xebd(%rip),%rdi
call   1040 <printf@plt>
mov    -0x8(%rbp),%rax
movsbl (%rax),%ecx
xor    %eax,%eax
cmp    $0x41,%ecx
mov    %al,-0x9(%rbp)
jne    1184 <fun4+0x54>
mov    -0x8(%rbp),%rax
movsbl 0x1(%rax),%ecx
xor    %eax,%eax
cmp    $0x42,%ecx
mov    %al,-0x9(%rbp)
jne    1184 <fun4+0x54>
mov    -0x8(%rbp),%rax
movsbl 0x2(%rax),%eax
cmp    $0x43,%eax
sete   %al
mov    %al,-0x9(%rbp)
mov    -0x9(%rbp),%al
and    $0x1,%al
movzbl %al,%edi
call   1050 <assert@plt>
lea    0xe76(%rip),%rdi
call   1030 <puts@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<fun4>:
push   %rbx
mov    %rdi,%rbx
lea    0xec5(%rip),%rdi
call   1040 <printf@plt>
xor    %edi,%edi
cmpb   $0x41,(%rbx)
jne    1157 <fun4+0x27>
cmpb   $0x42,0x1(%rbx)
jne    1157 <fun4+0x27>
xor    %edi,%edi
cmpb   $0x43,0x2(%rbx)
sete   %dil
call   1050 <assert@plt>
lea    0xeab(%rip),%rdi
pop    %rbx
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [14 x i8] c"CFFI test4...\00"
@.str.1 = [3 x i8] c"OK\00"
define void @fun4(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = call i32 @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0))
%4 = load i8*, i8** %2
%5 = getelementptr inbounds i8, i8* %4, i64 0
%6 = load i8, i8* %5
%7 = sext i8 %6 to i32
%8 = icmp eq i32 %7, 65
br i1 %8, label %9, label %21
9: ; preds = %1
%10 = load i8*, i8** %2
%11 = getelementptr inbounds i8, i8* %10, i64 1
%12 = load i8, i8* %11
%13 = sext i8 %12 to i32
%14 = icmp eq i32 %13, 66
br i1 %14, label %15, label %21
15: ; preds = %9
%16 = load i8*, i8** %2
%17 = getelementptr inbounds i8, i8* %16, i64 2
%18 = load i8, i8* %17
%19 = sext i8 %18 to i32
%20 = icmp eq i32 %19, 67
br label %21
21: ; preds = %15, %9, %1
%22 = phi i1 [ false, %9 ], [ false, %1 ], [ %20, %15 ]
%23 = zext i1 %22 to i32
%24 = call i32 @assert(i32 %23)
%25 = call i32 @puts(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [14 x i8] c"CFFI test4...\00"
@.str.1 = [3 x i8] c"OK\00"
define void @fun4(i8* nocapture %0) {
%2 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0))
%3 = load i8, i8* %0
%4 = icmp eq i8 %3, 65
br i1 %4, label %5, label %14
5: ; preds = %1
%6 = getelementptr inbounds i8, i8* %0, i64 1
%7 = load i8, i8* %6
%8 = icmp eq i8 %7, 66
br i1 %8, label %9, label %14
9: ; preds = %5
%10 = getelementptr inbounds i8, i8* %0, i64 2
%11 = load i8, i8* %10
%12 = icmp eq i8 %11, 67
%13 = zext i1 %12 to i32
br label %14
14: ; preds = %9, %5, %1
%15 = phi i32 [ 0, %5 ], [ 0, %1 ], [ %13, %9 ]
%16 = tail call i32 @assert(i32 %15)
%17 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
ret void
}