[llvm-branch-commits] [llvm] [TBAA] Only clear TBAAStruct if field can be extracted. (PR #81285)

[Florian Hahn via llvm-branch-commits]

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@@ -821,13 +821,15 @@ MDNode *AAMDNodes::extendToTBAA(MDNode *MD, ssize_t Len) {
 AAMDNodes AAMDNodes::adjustForAccess(unsigned AccessSize) {
   AAMDNodes New = *this;
   MDNode *M = New.TBAAStruct;
-  New.TBAAStruct = nullptr;
   if (M && M->getNumOperands() == 3 && M->getOperand(0) &&
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fhahn wrote:

Yep, I left this to here to keep the changes small, I'll soon share this one in 
the chain.

https://github.com/llvm/llvm-project/pull/81285
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