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Author SHA1 Message Date
Eric Christopher cee313d288 Revert "Temporarily Revert "Add basic loop fusion pass."" 
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
 2019-04-17 04:52:47 +00:00
Eric Christopher a863435128 Temporarily Revert "Add basic loop fusion pass." 
As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546
 2019-04-17 02:12:23 +00:00
Sanjay Patel 1cfba9b5ed [InstCombine] add/adjust tests for fcmp+select substitution; NFC 
There was no coverage for at least 2 out of the 4 patterns because
of fcmp canonicalization. The tests and code should be moved to
InstSimplify in a follow-up because this doesn't create any new values.

llvm-svn: 346150
 2018-11-05 18:09:10 +00:00
Dan Gohman cd4c03e886 Don't do (X != Y) ? X : Y -> X for floating-point values; it doesn't 
handle NaN properly.

Do (X une Y) ? X : Y  -> X if one of X and Y is not zero.

llvm-svn: 96955
 2010-02-23 17:17:57 +00:00