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Author SHA1 Message Date
Alexey Bataev 3689747619 [SLP]PR39774: Update references of the replaced external instructions. 
Summary:
An additional fix for PR39774. Need to update the references for the
RedcutionRoot instruction when it is replaced during the vectorization
phase to avoid compiler crash on reduction vectorization.

Reviewers: RKSimon, spatel

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D55017

llvm-svn: 347997
 2018-11-30 15:14:20 +00:00
Alexey Bataev 118a0a2c38 [SLP] Fix PR35628: Count external uses on extra reduction arguments. 
Summary:
If the vectorized value is marked as extra reduction argument, its users
are not considered as external users. Patch fixes this.

Reviewers: mkuper, hfinkel, RKSimon, spatel

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D41786

llvm-svn: 321993
 2018-01-08 14:33:11 +00:00