backport 4db1878158a3f481ff673fef2396c12b7a53d280

[yonghong-song]

Bugzilla Link	46295
Resolution	FIXED
Resolved on	Jun 23, 2020 14:52
Version	10.0
OS	All
Blocks	#44654
CC	@4ast,@tstellar
Fixed by commit(s)	4db1878 f5bad9c

Extended Description

Commit 4db1878 (in the llvm11 trunk) fixed an issue in BPF backend code transformation.

commit 4db1878158a3f481ff673fef2396c12b7a53d280 (bug)
Author: Yonghong Song <yhs@fb.com>
Date:   Wed Jun 10 19:13:37 2020 -0700

    [BPF] fix incorrect type in BPFISelDAGToDAG readonly load optimization

I would like to backport it to 10.x release.

[yonghong-song]

assigned to @4ast

[tstellar]

Alexei, what is your opinion on backporting this?

https://reviews.llvm.org/rG4db1878158a3f481ff673fef2396c12b7a53d280

[4ast]

That's an important fix to backport. Thanks

[tstellar]

Merged: f5bad9c