Alina Sbirlea 4f33a68973 Compute ORE, BPI, BFI in Loop passes. ...

Summary:
Passes ORE, BPI, BFI are not being preserved by Loop passes, hence it
is incorrect to retrieve these passes as cached.
This patch makes the loop passes in question compute a new instance.

In some of these cases, however, it may be beneficial to change the Loop pass to
a Function pass instead, similar to the change for LoopUnrollAndJam.

Reviewers: chandlerc, dmgreen, jdoerfert, reames

Subscribers: mehdi_amini, hiraditya, zzheng, steven_wu, dexonsmith, Whitney, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D72891

2020-02-12 09:15:18 -08:00

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