[NFC] [TargetRegisterInfo] add another API to get srcreg through copy.
authorChen Zheng <czhengsz@cn.ibm.com>
Tue, 19 Jan 2021 02:55:11 +0000 (21:55 -0500)
committerChen Zheng <czhengsz@cn.ibm.com>
Fri, 22 Jan 2021 01:10:25 +0000 (20:10 -0500)
commit8120cfedf55ade13a0a1a4a4629911aa2f8ed9c3
tree26bd1533b7150c56139589acc769c4dde5f9f412
parent2de5ea3b3ed9882026d9dc6c5d8ec462ebe5f8ec
[NFC] [TargetRegisterInfo] add another API to get srcreg through copy.

Reviewed By: nemanjai, jsji

Differential Revision: https://reviews.llvm.org/D92069
llvm/include/llvm/CodeGen/TargetRegisterInfo.h
llvm/lib/CodeGen/TargetRegisterInfo.cpp