char *_dedx_get_program_file(int program) {
  char *path;
  switch (program) {
  case 1:
    path = "ASTAR";
    break;
  case 2:
    path = "PSTAR";
    break;
  case 3:
    path = "ESTAR";
    break;
  case 4:
    path = "MSTAR";
    break;
  case 5:
    path = "ICRU73";
    break;
  case 6:
    path = "ICRU73_NEW";
    break;
  case 7:
    path = "ICRU_ASTAR";
    break;
  case 8:
    path = "ICRU_PSTAR";
    break;
  default:
    path = "";
  }
  return path;
}


x86 assembly (clang, -O0):
<_dedx_get_program_file>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x7,%eax
ja     11b0 <_dedx_get_program_file+0xb0>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf0c(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    11bb <_dedx_get_program_file+0xbb>
lea    0xf07(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    11bb <_dedx_get_program_file+0xbb>
lea    0xec9(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    11bb <_dedx_get_program_file+0xbb>
lea    0xebf(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    11bb <_dedx_get_program_file+0xbb>
lea    0xeb5(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    11bb <_dedx_get_program_file+0xbb>
lea    0xeac(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    11bb <_dedx_get_program_file+0xbb>
lea    0xea7(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    11bb <_dedx_get_program_file+0xbb>
lea    0xea2(%rip),%rax
mov    %rax,-0x10(%rbp)
jmp    11bb <_dedx_get_program_file+0xbb>
lea    0xe7b(%rip),%rax
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<_dedx_get_program_file>:
add    $0xffffffff,%edi
cmp    $0x7,%edi
ja     111a <_dedx_get_program_file+0x1a>
movslq %edi,%rax
lea    0xf22(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
lea    0xef1(%rip),%rax
ret

LLVM IR (-O0):
@.str = [6 x i8] c"ASTAR\00"
@.str.1 = [6 x i8] c"PSTAR\00"
@.str.2 = [6 x i8] c"ESTAR\00"
@.str.3 = [6 x i8] c"MSTAR\00"
@.str.4 = [7 x i8] c"ICRU73\00"
@.str.5 = [11 x i8] c"ICRU73_NEW\00"
@.str.6 = [11 x i8] c"ICRU_ASTAR\00"
@.str.7 = [11 x i8] c"ICRU_PSTAR\00"
@.str.8 = [1 x i8] zeroinitializer
define i8* @_dedx_get_program_file(i32 %0) {
%2 = alloca i32
%3 = alloca i8*
store i32 %0, i32* %2
%4 = load i32, i32* %2
switch i32 %4, label %13 [
i32 1, label %5
i32 2, label %6
i32 3, label %7
i32 4, label %8
i32 5, label %9
i32 6, label %10
i32 7, label %11
i32 8, label %12
]
5: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i8** %3
br label %14
6: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i8** %3
br label %14
7: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i8** %3
br label %14
8: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i8** %3
br label %14
9: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0), i8** %3
br label %14
10: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.5, i64 0, i64 0), i8** %3
br label %14
11: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.6, i64 0, i64 0), i8** %3
br label %14
12: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.7, i64 0, i64 0), i8** %3
br label %14
13: ; preds = %1
store i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.8, i64 0, i64 0), i8** %3
br label %14
14: ; preds = %13, %12, %11, %10, %9, %8, %7, %6, %5
%15 = load i8*, i8** %3
ret i8* %15
}

LLVM IR (-O2):
@.str = [6 x i8] c"ASTAR\00"
@.str.1 = [6 x i8] c"PSTAR\00"
@.str.2 = [6 x i8] c"ESTAR\00"
@.str.3 = [6 x i8] c"MSTAR\00"
@.str.4 = [7 x i8] c"ICRU73\00"
@.str.5 = [11 x i8] c"ICRU73_NEW\00"
@.str.6 = [11 x i8] c"ICRU_ASTAR\00"
@.str.7 = [11 x i8] c"ICRU_PSTAR\00"
@.str.8 = [1 x i8] zeroinitializer
@reltable._dedx_get_program_file = [8 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str to i64), i64 ptrtoint ([8 x i32]* @reltable._dedx_get_program_file to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.1 to i64), i64 ptrtoint ([8 x i32]* @reltable._dedx_get_program_file to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.2 to i64), i64 ptrtoint ([8 x i32]* @reltable._dedx_get_program_file to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.3 to i64), i64 ptrtoint ([8 x i32]* @reltable._dedx_get_program_file to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.4 to i64), i64 ptrtoint ([8 x i32]* @reltable._dedx_get_program_file to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([11 x i8]* @.str.5 to i64), i64 ptrtoint ([8 x i32]* @reltable._dedx_get_program_file to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([11 x i8]* @.str.6 to i64), i64 ptrtoint ([8 x i32]* @reltable._dedx_get_program_file to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([11 x i8]* @.str.7 to i64), i64 ptrtoint ([8 x i32]* @reltable._dedx_get_program_file to i64)) to i32)]
define i8* @_dedx_get_program_file(i32 %0) {
%2 = add i32 %0, -1
%3 = icmp ult i32 %2, 8
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 ([8 x i32]* @reltable._dedx_get_program_file 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.8, i64 0, i64 0), %1 ]
ret i8* %9
}