Displaying 1 result from an estimated 1 matches for "ab002087".
2017 Oct 17
3
Possible bug of Alias Analysis?
Hi,
I am an out-of-tree user of llvm. I am running into an regression issue against llvm 5.0.
The issue was introduced by "[BasicAA] Use MayAlias instead of PartialAlias for fallback."( https://reviews.llvm.org/D34318)
I have attached a very simple program to reproduce the issue. The symptom is alias analysis report NoAlias to GVN which cause GVN do wrong optimization.
The BasicAA