KEY(IF,                    "if")
KEY(ELSE,                "else")
KEY(FOR,                  "for")
KEY(REALIZE,          "realize")
KEY(VALUE,              "value")
KEY(PRODUCE,          "produce")
KEY(MAX,                  "max")
KEY(MIN,                  "min")
KEY(SELECT,            "select")
KEY(RAMP,                "ramp")
KEY(LET,                  "let")
KEY(IN,                    "in")
KEY(ATTR,                "attr")
KEY(ASSERT,            "assert")
KEY(ALLOCATE,        "allocate")
KEY(CNEW,          "custom_new")
KEY(CDELETE,    "custom_delete")
KEY(FREE,                "free")
KEY(PREFETCH,        "prefetch")
KEY(EXTERN,                "EX")
KEY(EXTERNCPP,           "ECPP")
KEY(PUREEXTERN,            "PE")
KEY(HALIDE,                 "H")
KEY(INTRINSIC,              "I")
KEY(PUREINTRIN,            "PI")
