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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
Quentin Colombet fda0426888 [LSR] Rewrite misses some fixup locations if it splits critical edge 
If LSR split critical edge during rewriting phi operands and
phi node has other pending fixup operands, we need to
update those pending fixups. Otherwise formulae will not be
implemented completely and some instructions will not be eliminated.

llvm.org/PR41445

Differential Revision: https://reviews.llvm.org/D60645

Patch by: Denis Bakhvalov <denis.bakhvalov@intel.com>

llvm-svn: 358457
 2019-04-15 22:23:46 +00:00