[llvm] [clang] [Clang][IR] add TBAA metadata on pointer, union and array types. (PR #75177)

[John McCall via cfe-commits]

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@@ -216,6 +216,9 @@ ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Defa
 CODEGENOPT(RelaxAll          , 1, 0) ///< Relax all machine code instructions.
 CODEGENOPT(RelaxedAliasing   , 1, 0) ///< Set when -fno-strict-aliasing is enabled.
 CODEGENOPT(StructPathTBAA    , 1, 0) ///< Whether or not to use struct-path TBAA.
+CODEGENOPT(UnionTBAA    , 1, 0) ///< Whether or not to use struct-path TBAA on unions.
+CODEGENOPT(PointerTBAA    , 1, 0) ///< Whether or not to generate TBAA on pointers.
+CODEGENOPT(ArrayTBAA    , 1, 0) ///< Whether or not to generate TBAA on arrays.
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rjmccall wrote:

Please match the style of surrounding lines, in which the commas are aligned.

https://github.com/llvm/llvm-project/pull/75177