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Author SHA1 Message Date
Alexey Bataev 978e2e4760 [SimplifyCFG] Fix for PR34219: Preserve alignment after merging conditional stores. 
Summary:
If SimplifyCFG pass is able to merge conditional stores into single one,
it loses the alignment. This may lead to incorrect codegen. Patch
sets the alignment of the new instruction if it is set in the original
one.

Reviewers: jmolloy

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D36841

llvm-svn: 312030
 2017-08-29 20:06:24 +00:00
Alexey Bataev 61b06b4f99 [SimplifyCFG] Update initial test for better testing of the fix for 
PR34219, NFC.

llvm-svn: 312002
 2017-08-29 14:37:23 +00:00
Alexey Bataev 84ad9ae032 [SimplifyCFG] Add a test for preserve store alignment, NFC. 
llvm-svn: 311106
 2017-08-17 17:26:52 +00:00