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* [CodeGenCXX][test] Use -fno-experimental-new-pass-manager for ↵Fangrui Song2019-11-021-1/+1
| | | | | | CodeGenCXX/union-tbaa2.cpp after D68593/llvmorg-10-init-8907-gcecc0d27ad5 It fails with -DENABLE_EXPERIMENTAL_NEW_PASS_MANAGER=0 builds. Temporarily use -fno-experimental-new-pass-manager while we are investigating the root cause.
* [CodeGen] Pessimize aliasing for member unions (and may-alias) objectsKrzysztof Parzyszek2017-05-251-0/+45
Use the TBAA info of the omnipotent char for these objects. Differential Revision: https://reviews.llvm.org/D33328 llvm-svn: 303851
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