#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 uint32_t;

/* Variables and functions */
const char *decode_sample_filter(uint32_t mode) {
  switch (mode & 0x7) {
  case 0:
    return "nearest";
  case 1:
    return "linear";
  case 2:
    return "anisotropic";
  case 3:
    return "4x4_1";
  case 4:
    return "4x4_2";
  case 5:
    return "4x4_flat";
  case 6:
    return "6x5_mono";
  }
  return "";
}


x86 assembly (clang, -O0):
<decode_sample_filter>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
and    $0x7,%eax
mov    %rax,-0x18(%rbp)
sub    $0x6,%eax
ja     119e <decode_sample_filter+0x9e>
mov    -0x18(%rbp),%rax
lea    0xedb(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xee7(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a9 <decode_sample_filter+0xa9>
lea    0xedf(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a9 <decode_sample_filter+0xa9>
lea    0xed6(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a9 <decode_sample_filter+0xa9>
lea    0xed2(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a9 <decode_sample_filter+0xa9>
lea    0xec8(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a9 <decode_sample_filter+0xa9>
lea    0xebe(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a9 <decode_sample_filter+0xa9>
lea    0xeb7(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a9 <decode_sample_filter+0xa9>
lea    0xe97(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<decode_sample_filter>:
and    $0x7,%edi
cmp    $0x7,%edi
jne    1110 <decode_sample_filter+0x10>
lea    0xf11(%rip),%rax
ret
mov    %edi,%eax
lea    0xf23(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret

LLVM IR (-O0):
@.str = [8 x i8] c"nearest\00"
@.str.1 = [7 x i8] c"linear\00"
@.str.2 = [12 x i8] c"anisotropic\00"
@.str.3 = [6 x i8] c"4x4_1\00"
@.str.4 = [6 x i8] c"4x4_2\00"
@.str.5 = [9 x i8] c"4x4_flat\00"
@.str.6 = [9 x i8] c"6x5_mono\00"
@.str.7 = [1 x i8] zeroinitializer
define i8* @decode_sample_filter(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
%5 = and i32 %4, 7
switch i32 %5, label %13 [
i32 0, label %6
i32 1, label %7
i32 2, label %8
i32 3, label %9
i32 4, label %10
i32 5, label %11
i32 6, label %12
]
6: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8** %2
br label %14
7: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %14
8: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %14
9: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %14
10: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %14
11: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %14
12: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %14
13: ; preds = %1
store i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %14
14: ; preds = %13, %12, %11, %10, %9, %8, %7, %6
%15 = load i8*, i8** %2
ret i8* %15
}

LLVM IR (-O2):
@.str = [8 x i8] c"nearest\00"
@.str.1 = [7 x i8] c"linear\00"
@.str.2 = [12 x i8] c"anisotropic\00"
@.str.3 = [6 x i8] c"4x4_1\00"
@.str.4 = [6 x i8] c"4x4_2\00"
@.str.5 = [9 x i8] c"4x4_flat\00"
@.str.6 = [9 x i8] c"6x5_mono\00"
@.str.7 = [1 x i8] zeroinitializer
@reltable.decode_sample_filter = [7 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str to i64), i64 ptrtoint ([7 x i32]* @reltable.decode_sample_filter to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.1 to i64), i64 ptrtoint ([7 x i32]* @reltable.decode_sample_filter to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([12 x i8]* @.str.2 to i64), i64 ptrtoint ([7 x i32]* @reltable.decode_sample_filter to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.3 to i64), i64 ptrtoint ([7 x i32]* @reltable.decode_sample_filter to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.4 to i64), i64 ptrtoint ([7 x i32]* @reltable.decode_sample_filter to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @.str.5 to i64), i64 ptrtoint ([7 x i32]* @reltable.decode_sample_filter to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @.str.6 to i64), i64 ptrtoint ([7 x i32]* @reltable.decode_sample_filter to i64)) to i32)]
define i8* @decode_sample_filter(i32 %0) {
%2 = and i32 %0, 7
%3 = icmp eq i32 %2, 7
br i1 %3, label %8, label %4
4: ; preds = %1
%5 = zext i32 %2 to i64
%6 = shl i64 %5, 2
%7 = call i8* @llvm.load.relative.i64(i8* bitcast ([7 x i32]* @reltable.decode_sample_filter to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ getelementptr inbounds ([1 x i8], [1 x i8]* @.str.7, i64 0, i64 0), %1 ]
ret i8* %9
}