Artur Gainullin af7ba8ff6b Improve clamp recognition in ValueTracking. ...

Summary:
ValueTracking was recognizing not all variations of clamp. Swapping of
true value and false value of select was added to fix this problem. The
first patch was reverted because it caused miscompile in NVPTX target. 
Added corresponding test cases.

Reviewers: spatel, majnemer, efriedma, reames

Subscribers: llvm-commits, jholewinski

Differential Revision: https://reviews.llvm.org/D39240

llvm-svn: 316795

2017-10-27 20:53:41 +00:00

177 KiB

Raw Blame History

View Raw