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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 bb3d3a8f2e [InstCombine] add tests for extract of vector load; NFC 
There's a mismatch internally about how we are handling these patterns. 
We count loads as cheapToScalarize(), but then we don't actually 
scalarize them, so that can leave extra instructions compared to where 
we started when scalarizing other ops. If it's cheapToScalarize, then 
we should be scalarizing.

llvm-svn: 349560
 2018-12-18 22:51:06 +00:00
Sanjay Patel e0afd278b1 [InstCombine] add tests for scalarization; NFC 
We miss pattern matching a splat constant if it has undef elements.

llvm-svn: 349515
 2018-12-18 17:56:59 +00:00
Matt Arsenault 9ccde61f81 InstCombine: Scalarize single use icmp/fcmp 
llvm-svn: 348801
 2018-12-10 21:50:54 +00:00
Matt Arsenault ca8631ba6e InstCombine: Add some missing tests for scalarization 
llvm-svn: 348456
 2018-12-06 03:32:50 +00:00
Sanjay Patel 998ececef0 [InstCombine] remove dead code from visitExtractElement 
Extracting from a splat constant is always handled by InstSimplify.
Move the test for this from InstCombine to InstSimplify to make
sure that stays true.

llvm-svn: 348423
 2018-12-05 23:09:33 +00:00
Sanjay Patel de3db684b7 [InstCombine] add/move tests for extractelement; NFC 
llvm-svn: 348417
 2018-12-05 21:56:13 +00:00
Sanjay Patel 72d627e5ec [InstCombine] add tests for extractelement; NFC 
There are folds under visitExtractElementInst() that don't appear
to have any test coverage, so adding a few basic cases here.

llvm-svn: 342740
 2018-09-21 14:43:49 +00:00
Sanjay Patel 18c29b7d74 [InstCombine] rename test file, simplify tests, regenerate full checks; NFC 
Fast-math is irrelevant for these transforms.

llvm-svn: 342683
 2018-09-20 21:10:14 +00:00