[clang] [llvm] [OpenMP][Clang] Migrate OpenMP UserDefinedMapper from Clang to OMPIRBuilder (PR #110001)

[Akash Banerjee via cfe-commits]

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@@ -9041,257 +9041,65 @@ void CGOpenMPRuntime::emitUserDefinedMapper(const OMPDeclareMapperDecl *D,
     return;
   ASTContext &C = CGM.getContext();
   QualType Ty = D->getType();
-  QualType PtrTy = C.getPointerType(Ty).withRestrict();
-  QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/true);
   auto *MapperVarDecl =
       cast<VarDecl>(cast<DeclRefExpr>(D->getMapperVarRef())->getDecl());
-  SourceLocation Loc = D->getLocation();
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TIFitis wrote:

This `SourceLocation` is defined but never used in the original Clang code itself.

https://github.com/llvm/llvm-project/pull/110001