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Author SHA1 Message Date
Evgeny Stupachenko d7f9c3564a The patch improves ValueTracking on left shift with nsw flag. 
Summary:
The patch fixes PR28946.

Reviewers: majnemer, sanjoy

Differential Revision: http://reviews.llvm.org/D23296

From: Li Huang
llvm-svn: 279684
 2016-08-24 23:01:33 +00:00
Sanjoy Das 78db2963f6 Revert "[ValueTracking] Improve ValueTracking on left shift with nsw flag" 
This reverts commit r278172.  It causes PR28946.

llvm-svn: 278740
 2016-08-15 21:01:31 +00:00
Andrew Kaylor 3c05edfd5e [ValueTracking] Improve ValueTracking on left shift with nsw flag 
Patch by Li Huang

Differential Revison: https://reviews.llvm.org/D23296

llvm-svn: 278172
 2016-08-09 22:41:35 +00:00