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10 Commits

Author SHA1 Message Date
Sanjay Patel 8ec7158571 [InstSimplify] simplify FP ops harder with FMF 
This is part of the IR sibling for:
D75576

(I'm splitting part of the transform as a separate commit
to reduce risk. I don't know of any bugs that might be
exposed by this improved folding, but it's hard to see
those in advance...)
 2020-03-12 09:13:28 -04:00
Ehud Katz 2d77e0b9f2 Fix tests of constant folding of fp operations on NaN values 
Fix failures introduced due to change rG0b336b6048ae.
 2020-01-21 21:48:07 +02:00
Cameron McInally 14a90661f8 Revert llvm-svn: 360807 
Somehow submitted this patch twice.

llvm-svn: 360812
 2019-05-15 20:48:50 +00:00
Cameron McInally 94f16bfaba Add unary fneg to InstSimplify/fp-nan.ll 
llvm-svn: 360807
 2019-05-15 20:27:35 +00:00
Cameron McInally a4d29b8e20 Add unary fneg to InstSimplify/fp-nan.ll 
llvm-svn: 360797
 2019-05-15 19:37:03 +00:00
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 e235942a1e [InstSimplify] fp_binop X, NaN --> NaN 
We propagate the existing NaN value when possible.

Differential Revision: https://reviews.llvm.org/D44521

llvm-svn: 328140
 2018-03-21 19:31:53 +00:00
Sanjay Patel 5a5c33d8b5 [InstSimplify] add NaN constant diversity; NFC 
llvm-svn: 327743
 2018-03-16 20:55:55 +00:00
Sanjay Patel 43f71eade0 [InstSimplify] add tests with NaN operand for fp binops; NFC 
llvm-svn: 327631
 2018-03-15 14:48:39 +00:00