#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 */
typedef int int32_t;

/* Variables and functions */
const char *dspd_pcm_stream_bit_name(int32_t sbits) {
  const char *ret = "unknown";
  if (sbits == ((1 << (1)) | (1 << (0))))
    ret = "full duplex";
  else if (sbits == (1 << (0)))
    ret = "playback";
  else if (sbits == (1 << (1)))
    ret = "capture";
  return ret;
}


x86 assembly (clang, -O0):
<dspd_pcm_stream_bit_name>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0x4(%rbp)
lea    0xef2(%rip),%rax
mov    %rax,-0x10(%rbp)
cmpl   $0x3,-0x4(%rbp)
jne    112c <dspd_pcm_stream_bit_name+0x2c>
lea    0xee5(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    1165 <dspd_pcm_stream_bit_name+0x65>
cmpl   $0x1,-0x4(%rbp)
jne    1146 <dspd_pcm_stream_bit_name+0x46>
lea    0xed7(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    1160 <dspd_pcm_stream_bit_name+0x60>
cmpl   $0x2,-0x4(%rbp)
jne    115b <dspd_pcm_stream_bit_name+0x5b>
lea    0xec6(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    1160 <dspd_pcm_stream_bit_name+0x60>
jmp    1165 <dspd_pcm_stream_bit_name+0x65>
mov    -0x10(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<dspd_pcm_stream_bit_name>:
add    $0xffffffff,%edi
cmp    $0x2,%edi
ja     111a <dspd_pcm_stream_bit_name+0x1a>
movslq %edi,%rax
lea    0xf16(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
lea    0xedf(%rip),%rax
ret

LLVM IR (-O0):
@.str = [8 x i8] c"unknown\00"
@.str.1 = [12 x i8] c"full duplex\00"
@.str.2 = [9 x i8] c"playback\00"
@.str.3 = [8 x i8] c"capture\00"
define i8* @dspd_pcm_stream_bit_name(i32 %0) {
%2 = alloca i32
%3 = alloca i8*
store i32 %0, i32* %2
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8** %3
%4 = load i32, i32* %2
%5 = icmp eq i32 %4, 3
br i1 %5, label %6, label %7
6: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0), i8** %3
br label %17
7: ; preds = %1
%8 = load i32, i32* %2
%9 = icmp eq i32 %8, 1
br i1 %9, label %10, label %11
10: ; preds = %7
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8** %3
br label %16
11: ; preds = %7
%12 = load i32, i32* %2
%13 = icmp eq i32 %12, 2
br i1 %13, label %14, label %15
14: ; preds = %11
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0), i8** %3
br label %15
15: ; preds = %14, %11
br label %16
16: ; preds = %15, %10
br label %17
17: ; preds = %16, %6
%18 = load i8*, i8** %3
ret i8* %18
}

LLVM IR (-O2):
@.str = [8 x i8] c"unknown\00"
@.str.1 = [12 x i8] c"full duplex\00"
@.str.2 = [9 x i8] c"playback\00"
@.str.3 = [8 x i8] c"capture\00"
@reltable.dspd_pcm_stream_bit_name = [3 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @.str.2 to i64), i64 ptrtoint ([3 x i32]* @reltable.dspd_pcm_stream_bit_name to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.3 to i64), i64 ptrtoint ([3 x i32]* @reltable.dspd_pcm_stream_bit_name to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([12 x i8]* @.str.1 to i64), i64 ptrtoint ([3 x i32]* @reltable.dspd_pcm_stream_bit_name to i64)) to i32)]
define i8* @dspd_pcm_stream_bit_name(i32 %0) {
%2 = add i32 %0, -1
%3 = icmp ult i32 %2, 3
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = shl i64 %5, 2
%7 = call i8* @llvm.load.relative.i64(i8* bitcast ([3 x i32]* @reltable.dspd_pcm_stream_bit_name to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), %1 ]
ret i8* %9
}