Nikita Popov 1379127481 [MemoryBuiltins] Handle phi nodes without operands (PR63013) ...

Conservatively return unknown in this degenerate case. This is
hard to hit in practice, because such phis are usually optimized
away before they reach a getObjectSize() call.

Fixes https://github.com/llvm/llvm-project/issues/63013.

2023-05-31 10:47:15 +02:00

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