#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*/ f_uchar_1(unsigned char const);
int /*<<< orphan*/ f_uchar_2(unsigned char const, unsigned char const);
int /*<<< orphan*/ sink(int /*<<< orphan*/);
void test_uchar_cst(void) {
  const unsigned char max = (0x7f * 2 + 1);
  sink(f_uchar_1(0));
  sink(f_uchar_1(1));
  sink(f_uchar_1(max));
  sink(f_uchar_2(0, 0));
  sink(f_uchar_2(0, 1));
  sink(f_uchar_2(1, 0));
  sink(f_uchar_2(1, 1));
  sink(f_uchar_2(0, max));
  sink(f_uchar_2(max, 0));
  sink(f_uchar_2(max, max));
}


x86 assembly (clang, -O0):
<test_uchar_cst>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movb   $0xff,-0x1(%rbp)
xor    %edi,%edi
call   1030 <f_uchar_1@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0x1,%edi
call   1030 <f_uchar_1@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0xff,%edi
call   1030 <f_uchar_1@plt>
mov    %eax,%edi
call   1040 <sink@plt>
xor    %esi,%esi
mov    %esi,%edi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
xor    %edi,%edi
mov    $0x1,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0x1,%edi
xor    %esi,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0x1,%esi
mov    %esi,%edi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
xor    %edi,%edi
mov    $0xff,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0xff,%edi
xor    %esi,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0xff,%esi
mov    %esi,%edi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<test_uchar_cst>:
push   %rax
xor    %edi,%edi
call   1030 <f_uchar_1@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0x1,%edi
call   1030 <f_uchar_1@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0xff,%edi
call   1030 <f_uchar_1@plt>
mov    %eax,%edi
call   1040 <sink@plt>
xor    %edi,%edi
xor    %esi,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
xor    %edi,%edi
mov    $0x1,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0x1,%edi
xor    %esi,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0x1,%edi
mov    $0x1,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
xor    %edi,%edi
mov    $0xff,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0xff,%edi
xor    %esi,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
call   1040 <sink@plt>
mov    $0xff,%edi
mov    $0xff,%esi
call   1050 <f_uchar_2@plt>
mov    %eax,%edi
pop    %rax
jmp    1040 <sink@plt>

LLVM IR (-O0):
define void @test_uchar_cst() {
%1 = alloca i8
store i8 -1, i8* %1
%2 = call i32 @f_uchar_1(i8 zeroext 0)
%3 = call i32 @sink(i32 %2)
%4 = call i32 @f_uchar_1(i8 zeroext 1)
%5 = call i32 @sink(i32 %4)
%6 = call i32 @f_uchar_1(i8 zeroext -1)
%7 = call i32 @sink(i32 %6)
%8 = call i32 @f_uchar_2(i8 zeroext 0, i8 zeroext 0)
%9 = call i32 @sink(i32 %8)
%10 = call i32 @f_uchar_2(i8 zeroext 0, i8 zeroext 1)
%11 = call i32 @sink(i32 %10)
%12 = call i32 @f_uchar_2(i8 zeroext 1, i8 zeroext 0)
%13 = call i32 @sink(i32 %12)
%14 = call i32 @f_uchar_2(i8 zeroext 1, i8 zeroext 1)
%15 = call i32 @sink(i32 %14)
%16 = call i32 @f_uchar_2(i8 zeroext 0, i8 zeroext -1)
%17 = call i32 @sink(i32 %16)
%18 = call i32 @f_uchar_2(i8 zeroext -1, i8 zeroext 0)
%19 = call i32 @sink(i32 %18)
%20 = call i32 @f_uchar_2(i8 zeroext -1, i8 zeroext -1)
%21 = call i32 @sink(i32 %20)
ret void
}

LLVM IR (-O2):
define void @test_uchar_cst() {
%1 = tail call i32 @f_uchar_1(i8 zeroext 0)
%2 = tail call i32 @sink(i32 %1)
%3 = tail call i32 @f_uchar_1(i8 zeroext 1)
%4 = tail call i32 @sink(i32 %3)
%5 = tail call i32 @f_uchar_1(i8 zeroext -1)
%6 = tail call i32 @sink(i32 %5)
%7 = tail call i32 @f_uchar_2(i8 zeroext 0, i8 zeroext 0)
%8 = tail call i32 @sink(i32 %7)
%9 = tail call i32 @f_uchar_2(i8 zeroext 0, i8 zeroext 1)
%10 = tail call i32 @sink(i32 %9)
%11 = tail call i32 @f_uchar_2(i8 zeroext 1, i8 zeroext 0)
%12 = tail call i32 @sink(i32 %11)
%13 = tail call i32 @f_uchar_2(i8 zeroext 1, i8 zeroext 1)
%14 = tail call i32 @sink(i32 %13)
%15 = tail call i32 @f_uchar_2(i8 zeroext 0, i8 zeroext -1)
%16 = tail call i32 @sink(i32 %15)
%17 = tail call i32 @f_uchar_2(i8 zeroext -1, i8 zeroext 0)
%18 = tail call i32 @sink(i32 %17)
%19 = tail call i32 @f_uchar_2(i8 zeroext -1, i8 zeroext -1)
%20 = tail call i32 @sink(i32 %19)
ret void
}