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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
Max Kazantsev fa4969539a [SCEV] Do not visit nodes twice in containsConstantSomewhere 
This patch reworks the function that searches constants in Add and Mul SCEV expression
chains so that now it does not visit a node more than once, and also renames this function
for better correspondence between its implementation and semantics.

Differential Revision: https://reviews.llvm.org/D35931

llvm-svn: 309367
 2017-07-28 06:42:15 +00:00