[IR] Use a reference in a range-based for
authorMark de Wever <koraq@xs4all.nl>
Tue, 17 Dec 2019 20:57:58 +0000 (21:57 +0100)
committerMark de Wever <koraq@xs4all.nl>
Tue, 17 Dec 2019 20:57:58 +0000 (21:57 +0100)
commit1a8ff89653d2a80a013701fe927d2d32491bff59
tree3873ac29a9f199925f8fa773144750b3a0bf451f
parentb750486c5d96320daf77a9760166f78b4a0c942e
[IR] Use a reference in a range-based for

This avoids unneeded copies when using a range-based for loops.

This avoids new warnings due to D68912 adds -Wrange-loop-analysis to -Wall.

Differential Revision: https://reviews.llvm.org/D70870
llvm/lib/IR/Attributes.cpp
llvm/lib/IR/ModuleSummaryIndex.cpp