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7446c5843d
Summary: In addition to knowing that an instruction is changed. It's also useful to know when it's about to change. For example, it might print the instruction so you can track the changes in a debug log, it might remove it from some queue while it's being worked on, or it might want to change several instructions as a single transaction and act on all the changes at once. Added changingInstr() to all existing uses of changedInstr() Reviewers: aditya_nandakumar Reviewed By: aditya_nandakumar Subscribers: rovka, kristof.beyls, llvm-commits Differential Revision: https://reviews.llvm.org/D55623 llvm-svn: 348992