[clang] [llvm] [PowerPC] Add builtin_cpu_is P11 support (PR #99550)

[Chen Zheng via cfe-commits]

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@@ -84,6 +85,7 @@
 #define AIX_PPC8_VALUE 0x00010000
 #define AIX_PPC9_VALUE 0x00020000
 #define AIX_PPC10_VALUE 0x00040000
+#define AIX_PPC11_VALUE 0x00080000
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chenzheng1030 wrote:

Where did you get this value? Is it documented somewhere? From the latest AIX 7.3 (TL2) header, I didn't get the definition. Maybe we should let the OS team define this value first and then compiler can use it.

https://github.com/llvm/llvm-project/pull/99550