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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
Florian Hahn b789165e6b [NewGVN] Add ops as dependency if we cannot find a leader for ValueOp. 
If those operands change, we might find a leader for ValueOp, which
could enable new phi-of-op creation.

This fixes a case where we missed creating a phi-of-ops node. With D43865
and this patch, bootstrapping clang/llvm works with -enable-newgvn, whereas
without it, the "value changed after iteration" assertion is triggered.

Reviewers: dberlin, davide

Reviewed By: dberlin

Differential Revision: https://reviews.llvm.org/D42180

llvm-svn: 330334
 2018-04-19 15:05:47 +00:00
Florian Hahn 9a175bc1bc Remove file accidentally added in r330320. 
llvm-svn: 330321
 2018-04-19 12:09:05 +00:00
Florian Hahn 2342533e1a [IR/BasicBlockTest] Fix asan failure introduced in rL330316. 
The argument has to be deleted after the module containing the function
gets deleted.

llvm-svn: 330320
 2018-04-19 12:06:26 +00:00