[PATCH] D30283: [ubsan] Reduce alignment checking of C++ object pointers

[Vedant Kumar via Phabricator via cfe-commits]

vsk updated this revision to Diff 95053.
vsk edited the summary of this revision.
vsk added a comment.

Eli pointed out that it's possible to make alignment checks for extern globals work better (llvm.org/PR32630). One solution depends on emitting alignment checks on bases of member expressions which are DeclRefExprs. I updated this patch so that we'll continue to do that. PTAL.


https://reviews.llvm.org/D30283

Files:
  lib/CodeGen/CGExpr.cpp
  lib/CodeGen/CGExprCXX.cpp
  lib/CodeGen/CodeGenFunction.cpp
  lib/CodeGen/CodeGenFunction.h
  test/CodeGenCXX/ubsan-global-alignment.cpp
  test/CodeGenCXX/ubsan-suppress-checks.cpp
  test/CodeGenCXX/ubsan-suppress-null-checks.cpp
  test/CodeGenCXX/ubsan-type-checks.cpp

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