#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*/ VIM_SIF_I2cWriteByte(int, int);
void SensorSetBrightness_OV6680(unsigned char val) {
  switch (val) {
  case 1:
    VIM_SIF_I2cWriteByte(0x60, 0xe7);
    VIM_SIF_I2cWriteByte(0x69, 0x04);
    VIM_SIF_I2cWriteByte(0x73, 0x06);
    VIM_SIF_I2cWriteByte(0x72, 0x50);
    break;
  case 2:
    VIM_SIF_I2cWriteByte(0x60, 0xe7);
    VIM_SIF_I2cWriteByte(0x69, 0x04);
    VIM_SIF_I2cWriteByte(0x73, 0x06);
    VIM_SIF_I2cWriteByte(0x72, 0x30);
    break;
  case 3:
    VIM_SIF_I2cWriteByte(0x60, 0xe7);
    VIM_SIF_I2cWriteByte(0x69, 0x04);
    VIM_SIF_I2cWriteByte(0x73, 0x02);
    VIM_SIF_I2cWriteByte(0x72, 0x00);
    break;
  case 4:
    VIM_SIF_I2cWriteByte(0x60, 0xe7);
    VIM_SIF_I2cWriteByte(0x69, 0x04);
    VIM_SIF_I2cWriteByte(0x73, 0x02);
    VIM_SIF_I2cWriteByte(0x72, 0x30);
    break;
  case 5:
    VIM_SIF_I2cWriteByte(0x60, 0xe7);
    VIM_SIF_I2cWriteByte(0x69, 0x04);
    VIM_SIF_I2cWriteByte(0x73, 0x02);
    VIM_SIF_I2cWriteByte(0x72, 0x50);
    break;
  default:
    break;
  }
}


x86 assembly (clang, -O0):
<SensorSetBrightness_OV6680>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %dil,%al
mov    %al,-0x1(%rbp)
movzbl -0x1(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x10(%rbp)
sub    $0x4,%eax
ja     128a <SensorSetBrightness_OV6680+0x17a>
mov    -0x10(%rbp),%rax
lea    0xec1(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
mov    $0x60,%edi
mov    $0xe7,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x69,%edi
mov    $0x4,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x73,%edi
mov    $0x6,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x72,%edi
mov    $0x50,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
jmp    128f <SensorSetBrightness_OV6680+0x17f>
mov    $0x60,%edi
mov    $0xe7,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x69,%edi
mov    $0x4,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x73,%edi
mov    $0x6,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x72,%edi
mov    $0x30,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
jmp    128f <SensorSetBrightness_OV6680+0x17f>
mov    $0x60,%edi
mov    $0xe7,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x69,%edi
mov    $0x4,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x73,%edi
mov    $0x2,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x72,%edi
xor    %esi,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
jmp    128f <SensorSetBrightness_OV6680+0x17f>
mov    $0x60,%edi
mov    $0xe7,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x69,%edi
mov    $0x4,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x73,%edi
mov    $0x2,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x72,%edi
mov    $0x30,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
jmp    128f <SensorSetBrightness_OV6680+0x17f>
mov    $0x60,%edi
mov    $0xe7,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x69,%edi
mov    $0x4,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x73,%edi
mov    $0x2,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x72,%edi
mov    $0x50,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
jmp    128f <SensorSetBrightness_OV6680+0x17f>
jmp    128f <SensorSetBrightness_OV6680+0x17f>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<SensorSetBrightness_OV6680>:
add    $0xff,%dil
cmp    $0x4,%dil
ja     1171 <SensorSetBrightness_OV6680+0x61>
push   %rbp
push   %rbx
push   %rax
movsbq %dil,%rax
lea    0xed8(%rip),%rcx
mov    (%rcx,%rax,4),%ebx
lea    0xee2(%rip),%rcx
mov    (%rcx,%rax,4),%ebp
mov    $0x60,%edi
mov    $0xe7,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x69,%edi
mov    $0x4,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x73,%edi
mov    %ebx,%esi
call   1030 <VIM_SIF_I2cWriteByte@plt>
mov    $0x72,%edi
mov    %ebp,%esi
add    $0x8,%rsp
pop    %rbx
pop    %rbp
jmp    1030 <VIM_SIF_I2cWriteByte@plt>
ret

LLVM IR (-O0):
define void @SensorSetBrightness_OV6680(i8 zeroext %0) {
%2 = alloca i8
store i8 %0, i8* %2
%3 = load i8, i8* %2
%4 = zext i8 %3 to i32
switch i32 %4, label %30 [
i32 1, label %5
i32 2, label %10
i32 3, label %15
i32 4, label %20
i32 5, label %25
]
5: ; preds = %1
%6 = call i32 @VIM_SIF_I2cWriteByte(i32 96, i32 231)
%7 = call i32 @VIM_SIF_I2cWriteByte(i32 105, i32 4)
%8 = call i32 @VIM_SIF_I2cWriteByte(i32 115, i32 6)
%9 = call i32 @VIM_SIF_I2cWriteByte(i32 114, i32 80)
br label %31
10: ; preds = %1
%11 = call i32 @VIM_SIF_I2cWriteByte(i32 96, i32 231)
%12 = call i32 @VIM_SIF_I2cWriteByte(i32 105, i32 4)
%13 = call i32 @VIM_SIF_I2cWriteByte(i32 115, i32 6)
%14 = call i32 @VIM_SIF_I2cWriteByte(i32 114, i32 48)
br label %31
15: ; preds = %1
%16 = call i32 @VIM_SIF_I2cWriteByte(i32 96, i32 231)
%17 = call i32 @VIM_SIF_I2cWriteByte(i32 105, i32 4)
%18 = call i32 @VIM_SIF_I2cWriteByte(i32 115, i32 2)
%19 = call i32 @VIM_SIF_I2cWriteByte(i32 114, i32 0)
br label %31
20: ; preds = %1
%21 = call i32 @VIM_SIF_I2cWriteByte(i32 96, i32 231)
%22 = call i32 @VIM_SIF_I2cWriteByte(i32 105, i32 4)
%23 = call i32 @VIM_SIF_I2cWriteByte(i32 115, i32 2)
%24 = call i32 @VIM_SIF_I2cWriteByte(i32 114, i32 48)
br label %31
25: ; preds = %1
%26 = call i32 @VIM_SIF_I2cWriteByte(i32 96, i32 231)
%27 = call i32 @VIM_SIF_I2cWriteByte(i32 105, i32 4)
%28 = call i32 @VIM_SIF_I2cWriteByte(i32 115, i32 2)
%29 = call i32 @VIM_SIF_I2cWriteByte(i32 114, i32 80)
br label %31
30: ; preds = %1
br label %31
31: ; preds = %30, %25, %20, %15, %10, %5
ret void
}

LLVM IR (-O2):
@switch.table.SensorSetBrightness_OV6680 = [5 x i32] [i32 6, i32 6, i32 2, i32 2, i32 2]
@switch.table.SensorSetBrightness_OV6680.1 = [5 x i32] [i32 80, i32 48, i32 0, i32 48, i32 80]
define void @SensorSetBrightness_OV6680(i8 zeroext %0) {
%2 = add i8 %0, -1
%3 = icmp ult i8 %2, 5
br i1 %3, label %4, label %15
4: ; preds = %1
%5 = sext i8 %2 to i64
%6 = getelementptr inbounds [5 x i32], [5 x i32]* @switch.table.SensorSetBrightness_OV6680, i64 0, i64 %5
%7 = load i32, i32* %6
%8 = sext i8 %2 to i64
%9 = getelementptr inbounds [5 x i32], [5 x i32]* @switch.table.SensorSetBrightness_OV6680.1, i64 0, i64 %8
%10 = load i32, i32* %9
%11 = tail call i32 @VIM_SIF_I2cWriteByte(i32 96, i32 231)
%12 = tail call i32 @VIM_SIF_I2cWriteByte(i32 105, i32 4)
%13 = tail call i32 @VIM_SIF_I2cWriteByte(i32 115, i32 %7)
%14 = tail call i32 @VIM_SIF_I2cWriteByte(i32 114, i32 %10)
br label %15
15: ; preds = %1, %4
ret void
}