[llvm] [LangRef] Specify that load of alloca outside lifetime is poison (PR #157852)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

@fhahn In https://github.com/llvm/llvm-project/issues/51838 you mentioned that LICM may sink stores out of a loop. Does it guarantee that the store is never executed if the alloca is dead?


https://github.com/llvm/llvm-project/pull/157852