[Attributor][NFC] Do not manifest noundef for positions to be changed to undef
authorShinji Okumura <okuraofvegetable@gmail.com>
Sat, 29 Aug 2020 18:23:41 +0000 (03:23 +0900)
committerShinji Okumura <okuraofvegetable@gmail.com>
Sat, 29 Aug 2020 18:23:41 +0000 (03:23 +0900)
commit1364d856f4bf79e6d40da259c816109b77581184
tree489a0a56bf370641e779dae923cd7dafbfa9272a
parent6ce5b74b82ab4667dde688860f2d3a7be88e46da
[Attributor][NFC] Do not manifest noundef for positions to be changed to undef

This patch fixes AANoUndef manifestation.
We should not manifest noundef for positions that will be changed to undef.

Reviewed By: jdoerfert

Differential Revision: https://reviews.llvm.org/D86835
llvm/lib/Transforms/IPO/AttributorAttributes.cpp