#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_I2cWriteWord(int, int);
void SensorSetMode_MT9V111(unsigned char val) {
  VIM_SIF_I2cWriteWord(0x01, 0x0001);
  switch (val) {
  case 1:
    VIM_SIF_I2cWriteWord(0x5b, 0x0003);
    VIM_SIF_I2cWriteWord(0x37, 0x00a0);
    break;
  case 2:
    VIM_SIF_I2cWriteWord(0x5b, 0x0001);
    VIM_SIF_I2cWriteWord(0x37, 0x00c0);
    break;
  case 4:
    VIM_SIF_I2cWriteWord(0x37, 0x0100);
    break;
  case 3:
    VIM_SIF_I2cWriteWord(0x37, 0x0080);
    break;
  default:
    break;
  }
}


x86 assembly (clang, -O0):
<SensorSetMode_MT9V111>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %dil,%al
mov    %al,-0x1(%rbp)
mov    $0x1,%esi
mov    %esi,%edi
call   1030 <VIM_SIF_I2cWriteWord@plt>
movzbl -0x1(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x10(%rbp)
sub    $0x3,%eax
ja     11c2 <SensorSetMode_MT9V111+0xb2>
mov    -0x10(%rbp),%rax
lea    0xeb5(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
mov    $0x5b,%edi
mov    $0x3,%esi
call   1030 <VIM_SIF_I2cWriteWord@plt>
mov    $0x37,%edi
mov    $0xa0,%esi
call   1030 <VIM_SIF_I2cWriteWord@plt>
jmp    11c7 <SensorSetMode_MT9V111+0xb7>
mov    $0x5b,%edi
mov    $0x1,%esi
call   1030 <VIM_SIF_I2cWriteWord@plt>
mov    $0x37,%edi
mov    $0xc0,%esi
call   1030 <VIM_SIF_I2cWriteWord@plt>
jmp    11c7 <SensorSetMode_MT9V111+0xb7>
mov    $0x37,%edi
mov    $0x100,%esi
call   1030 <VIM_SIF_I2cWriteWord@plt>
jmp    11c7 <SensorSetMode_MT9V111+0xb7>
mov    $0x37,%edi
mov    $0x80,%esi
call   1030 <VIM_SIF_I2cWriteWord@plt>
jmp    11c7 <SensorSetMode_MT9V111+0xb7>
jmp    11c7 <SensorSetMode_MT9V111+0xb7>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<SensorSetMode_MT9V111>:
push   %rbx
mov    %edi,%ebx
mov    $0x1,%edi
mov    $0x1,%esi
call   1030 <VIM_SIF_I2cWriteWord@plt>
add    $0xff,%bl
cmp    $0x3,%bl
ja     1158 <SensorSetMode_MT9V111+0x48>
mov    $0x100,%esi
movzbl %bl,%eax
lea    0xec7(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
mov    $0x5b,%edi
mov    $0x3,%esi
call   1030 <VIM_SIF_I2cWriteWord@plt>
mov    $0xa0,%esi
jmp    1175 <SensorSetMode_MT9V111+0x65>
pop    %rbx
ret
mov    $0x5b,%edi
mov    $0x1,%esi
call   1030 <VIM_SIF_I2cWriteWord@plt>
mov    $0xc0,%esi
jmp    1175 <SensorSetMode_MT9V111+0x65>
mov    $0x80,%esi
mov    $0x37,%edi
pop    %rbx
jmp    1030 <VIM_SIF_I2cWriteWord@plt>

LLVM IR (-O0):
define void @SensorSetMode_MT9V111(i8 zeroext %0) {
%2 = alloca i8
store i8 %0, i8* %2
%3 = call i32 @VIM_SIF_I2cWriteWord(i32 1, i32 1)
%4 = load i8, i8* %2
%5 = zext i8 %4 to i32
switch i32 %5, label %16 [
i32 1, label %6
i32 2, label %9
i32 4, label %12
i32 3, label %14
]
6: ; preds = %1
%7 = call i32 @VIM_SIF_I2cWriteWord(i32 91, i32 3)
%8 = call i32 @VIM_SIF_I2cWriteWord(i32 55, i32 160)
br label %17
9: ; preds = %1
%10 = call i32 @VIM_SIF_I2cWriteWord(i32 91, i32 1)
%11 = call i32 @VIM_SIF_I2cWriteWord(i32 55, i32 192)
br label %17
12: ; preds = %1
%13 = call i32 @VIM_SIF_I2cWriteWord(i32 55, i32 256)
br label %17
14: ; preds = %1
%15 = call i32 @VIM_SIF_I2cWriteWord(i32 55, i32 128)
br label %17
16: ; preds = %1
br label %17
17: ; preds = %16, %14, %12, %9, %6
ret void
}

LLVM IR (-O2):
define void @SensorSetMode_MT9V111(i8 zeroext %0) {
%2 = tail call i32 @VIM_SIF_I2cWriteWord(i32 1, i32 1)
switch i8 %0, label %11 [
i8 1, label %3
i8 2, label %5
i8 4, label %8
i8 3, label %7
]
3: ; preds = %1
%4 = tail call i32 @VIM_SIF_I2cWriteWord(i32 91, i32 3)
br label %8
5: ; preds = %1
%6 = tail call i32 @VIM_SIF_I2cWriteWord(i32 91, i32 1)
br label %8
7: ; preds = %1
br label %8
8: ; preds = %1, %3, %5, %7
%9 = phi i32 [ 128, %7 ], [ 192, %5 ], [ 160, %3 ], [ 256, %1 ]
%10 = tail call i32 @VIM_SIF_I2cWriteWord(i32 55, i32 %9)
br label %11
11: ; preds = %8, %1
ret void
}