[CodeGen] Use RegUnits to track register aliases (NFC)
authorJun Bum Lim <junbuml@codeaurora.org>
Fri, 27 Apr 2018 18:44:37 +0000 (18:44 +0000)
committerJun Bum Lim <junbuml@codeaurora.org>
Fri, 27 Apr 2018 18:44:37 +0000 (18:44 +0000)
commit47aece134448f60b4091a882da604fd7500ae9bd
tree03cf97b6b2b49a4069662b2632ebac9dc80b15fd
parent8a937e00d81d2d44b3fa81511052862b410c9599
[CodeGen] Use RegUnits to track register aliases (NFC)

Summary: Use RegUnits to track register aliases in PostRASink and AArch64LoadStoreOptimizer.

Reviewers: thegameg, mcrosier, gberry, qcolombet, sebpop, MatzeB, t.p.northover, javed.absar

Reviewed By: thegameg, sebpop

Subscribers: javed.absar, llvm-commits, kristof.beyls

Differential Revision: https://reviews.llvm.org/D45695

llvm-svn: 331066
llvm/include/llvm/CodeGen/LiveRegUnits.h
llvm/include/llvm/CodeGen/TargetInstrInfo.h
llvm/lib/CodeGen/MachineSink.cpp
llvm/lib/CodeGen/TargetInstrInfo.cpp
llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp