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5 Commits

Author SHA1 Message Date
Eugene Leviant 3aef35288b [ThinLTO] Attempt to recommit r365188 after alignment fix 
llvm-svn: 365215
 2019-07-05 15:25:05 +00:00
Eugene Leviant e91f86f0ac Reverted r365188 due to alignment problems on i686-android 
llvm-svn: 365206
 2019-07-05 13:26:05 +00:00
Eugene Leviant 820cc01d1e [ThinLTO] Attempt to recommit r365040 after caching fix 
It's possible that some function can load and store the same
variable using the same constant expression:

store %Derived* @foo, %Derived** bitcast (%Base** @bar to %Derived**)
%42 = load %Derived*, %Derived** bitcast (%Base** @bar to %Derived**)

The bitcast expression was mistakenly cached while processing loads,
and never examined later when processing store. This caused @bar to
be mistakenly treated as read-only variable. See load-store-caching.ll.

llvm-svn: 365188
 2019-07-05 12:00:10 +00:00
Reid Kleckner f7e52fbdb5 Revert [ThinLTO] Optimize writeonly globals out 
This reverts r365040 (git commit 5cacb91475)

Speculatively reverting, since this appears to have broken check-lld on
Linux. Partial analysis in https://crbug.com/981168.

llvm-svn: 365097
 2019-07-04 00:03:30 +00:00
Eugene Leviant 5cacb91475 [ThinLTO] Optimize writeonly globals out 
Differential revision: https://reviews.llvm.org/D63444

llvm-svn: 365040
 2019-07-03 14:14:52 +00:00