Merging r344454, r344455, r344645:

Merging r344454, r344455, r344645:

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r344454 | xbolva00 | 2018-10-13 08:21:55 -0700 (Sat, 13 Oct 2018) | 11 lines

[InstCombine] Fixed crash with aliased functions

Summary: Fixes PR39177

Reviewers: spatel, jbuening

Reviewed By: jbuening

Subscribers: jbuening, llvm-commits

Differential Revision: https://reviews.llvm.org/D53129
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r344455 | xbolva00 | 2018-10-13 08:26:13 -0700 (Sat, 13 Oct 2018) | 2 lines

[NFC] Fixed duplicated test file

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r344645 | xbolva00 | 2018-10-16 14:18:31 -0700 (Tue, 16 Oct 2018) | 9 lines

[InstCombine] Cleanup libfunc attribute inferring

Reviewers: efriedma

Reviewed By: efriedma

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D53338
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_70@345921 91177308-0d34-0410-b5e6-96231b3b80d8