[llvm] [IPSCCP] Don't replace with constant if Value is noalias ptr or derivatives (PR #154522)

[via llvm-commits]

dobbelaj-snps wrote:

Can you create a reduced testcase that shows the wanted effect ? (llvm-ir based). This is needed any way if you want this change to be acceptable.  As you have access to a compiler with and without your change, you could use  creduce and/or llvm-reduce to help you out for this.


https://github.com/llvm/llvm-project/pull/154522