[clang] [llvm] [PowerPC] Add support for -mcpu=pwr11 / -mtune=pwr11 (PR #99511)

[David Tenty via cfe-commits]

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@@ -124,6 +124,14 @@ enum PPCMachineCombinerPattern : unsigned {
         PPC::RESTORE_UACC, NoInstr, NoInstr, PPC::RESTORE_QUADWORD             \
   }
 
+#define Pwr11LoadOpcodes                                                       \
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daltenty wrote:

Ditto earlier comment: I don't think this needs to be copied out, we can simply use the P10 one

https://github.com/llvm/llvm-project/pull/99511