<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/63718>63718</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [llvm-mca], AArch64SchedNeoverseN1 question
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          xshen053
      </td>
    </tr>
</table>

<pre>
    https://github.com/llvm/llvm-project/blob/a4a26374aa11d48ac6bf65c78c2aaf8f16414287/llvm/lib/Target/AArch64/AArch64SchedNeoverseN1.td

according to the file here, these are all the resources (10 resources)
```
def N1UnitB  : ProcResource<1>;  // Branch
def N1UnitS  : ProcResource<2>;  // Integer single cycle 0/1
def N1UnitM  : ProcResource<1>;  // Integer multicycle
def N1UnitL  : ProcResource<2>;  // Load/Store 0/1
def N1UnitD  : ProcResource<2>;  // Store data 0/1
def N1UnitV0 : ProcResource<1>;  // FP/ASIMD 0
def N1UnitV1 : ProcResource<1>;  // FP/ASIMD 1
```
but according to the arm offical guide
<img width="909" alt="image" src="https://github.com/llvm/llvm-project/assets/97472036/e12edfc8-c493-4fbe-ba03-4035b1a7ea6a">
there is only 8 resources


</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJyUlN1u-yYYxq8Gn6BEfNgYH_ggbWbpL7VVtWw9x_BiMxHTAe7Wu5_spGqVZlIqRbEBPz89vF8qJTdMAC2q7lC1L9ScxxDbf9MIE6l40Qfz3o45vybEd4h1iHWDy-Pcb3U4ItZ5__bx2LzG8BfojFjX-9Aj1qlSMcHrUilKTSmVFr0Vla6lZkpZaakoaclk_YXjFt0fKg6wcHa7qEdRfr4d9AjmCcIbxARPdJsNIntEdqd_pXWIxk0DzgHnEbB1HvAIERC7XzYSYBUBK-_X4wgpzFFDwohJSj7XiDVnriDn37o0YPET_XNy-Q5jxHf4OQb9-1mF-D1F_DfEl7M1UvguqkmPl9rDVS270P6aMgwQcXLT4AHrd-0BE8Q6esl7vMnLB-84--xW2iXn4SZfD0EZxLpDDvF__Oxv4pwARmV1nfJCbrlV97wUx-HX4x5_y9EL_SGBXk16P2f8rbJUPOJgrdPK42F25hxMxO_dccD_OJNHxPeIsYY0iDGsfD6t3VENsOykqE87P-4ulRLkhFjX1GXNCBeIdUAZGKvlRpcN35S2h02vCN-UhFc9VTUooRBbc7AazUtXYJdwmPw7ll9K_0s_FablpuGNKqClQkohBW2aYmx7bllDypJzzRojaG-k7HllG1tzaaQpXMsI46QmgnHWVM2WVdZaaoWxmvJaElQSOCrnt8vdtiEOhUtphlbwmsrCqx58-phJsV0D0M9DQiXxLuX0Kcsu-3V6rd8ctULVfun26wMD_z1Dyi5MxRz9z-fa6nGJ_GrzvwAAAP__f2aPBw">