[clang] [AArch64] Add missing ACLE predefined macros and update __ARM_ACLE. (PR #108857)

[Daniel Kiss via cfe-commits]

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@@ -399,7 +399,14 @@ void AArch64TargetInfo::getTargetDefines(const LangOptions &Opts,
   Builder.defineMacro("__AARCH64_CMODEL_" + CodeModel + "__");
 
   // ACLE predefines. Many can only have one possible value on v8 AArch64.
-  Builder.defineMacro("__ARM_ACLE", "200");
+  Builder.defineMacro("__ARM_ACLE_VERSION(year, quarter, patch)",
+                      "100 * (year) + 10 * (quarter) + (patch)");
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DanielKristofKiss wrote:

I'd add a surrounding parentheses to avoid precedence issues with the macro. 
```suggestion
                      "(100 * (year) + 10 * (quarter) + (patch))");
```

https://github.com/llvm/llvm-project/pull/108857