src/etc/platform-intrinsics/x86/bmi2.json

{
    "intrinsic_prefix": "_bmi2",
    "llvm_prefix": "llvm.x86.bmi.",
    "intrinsics": [
        {
            "intrinsic": "_bzhi_{0.bitwidth}",
            "width": ["0"],
            "llvm": "bzhi.{0.bitwidth}",
            "ret": "S(32-64)u",
            "args": ["0", "0"]
        },
        {
            "intrinsic": "_pdep_{0.bitwidth}",
            "width": ["0"],
            "llvm": "pdep.{0.bitwidth}",
            "ret": "S(32-64)u",
            "args": ["0", "0"]
        },
        {
            "intrinsic": "_pext_{0.bitwidth}",
            "width": ["0"],
            "llvm": "pext.{0.bitwidth}",
            "ret": "S(32-64)u",
            "args": ["0", "0"]
        }
    ]
}