Nikita Popov ebab105670 [IR] Don't strip through pointer to vector of pointer bitcasts ...

When using stripPointerCasts() and getUnderlyingObject(), don't
strip through a bitcast from ptr to <1 x ptr>, which is not a
no-op pointer cast. Calling code is generally not prepared to
handle that situation, resulting in incorrect alias analysis
results for example.

Fixes https://github.com/llvm/llvm-project/issues/97600.

2024-07-04 09:47:59 +02:00

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