<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><span class="vcard"><a class="email" href="mailto:i@maskray.me" title="Fangrui Song <i@maskray.me>"> <span class="fn">Fangrui Song</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - aarch64 backend uses x18 on iOS"
   href="https://bugs.llvm.org/show_bug.cgi?id=24588">bug 24588</a>
          <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>FIXED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">CC</td>
           <td>
                
           </td>
           <td>i@maskray.me
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - aarch64 backend uses x18 on iOS"
   href="https://bugs.llvm.org/show_bug.cgi?id=24588#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - aarch64 backend uses x18 on iOS"
   href="https://bugs.llvm.org/show_bug.cgi?id=24588">bug 24588</a>
              from <span class="vcard"><a class="email" href="mailto:i@maskray.me" title="Fangrui Song <i@maskray.me>"> <span class="fn">Fangrui Song</span></a>
</span></b>
        <pre>Fixed by r253102 AArch64: Default AArch64Subtarget::ReserveX18 to true on
darwin

--- a/lib/Target/AArch64/AArch64Subtarget.cpp
+++ b/lib/Target/AArch64/AArch64Subtarget.cpp
@@ -53,8 +53,9 @@ AArch64Subtarget::AArch64Subtarget(const Triple &TT, const
std::string &CPU,
     : AArch64GenSubtargetInfo(TT, CPU, FS), ARMProcFamily(Others),
       HasV8_1aOps(false), HasFPARMv8(false), HasNEON(false), HasCrypto(false),
       HasCRC(false), HasPerfMon(false), HasZeroCycleRegMove(false),
-      HasZeroCycleZeroing(false), StrictAlign(false), ReserveX18(false),
-      IsLittle(LittleEndian), CPUString(CPU), TargetTriple(TT),
FrameLowering(),
+      HasZeroCycleZeroing(false), StrictAlign(false),
+      ReserveX18(TT.isOSDarwin()), IsLittle(LittleEndian), CPUString(CPU),
+      TargetTriple(TT), FrameLowering(),</pre>
        </div>
      </p>


      <hr>
      <span>You are receiving this mail because:</span>

      <ul>
          <li>You are on the CC list for the bug.</li>
      </ul>
    </body>
</html>