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Commit Graph

3 Commits

Author SHA1 Message Date
Evgeny Stupachenko
a52e9dab82 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
2169ec7470 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
3ceabfd932 [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