VirtRegMap: Add pass option to not clear virt regs
authorMatt Arsenault <Matthew.Arsenault@amd.com>
Thu, 25 Oct 2018 21:45:55 +0000 (14:45 -0700)
committerMatt Arsenault <Matthew.Arsenault@amd.com>
Fri, 30 Apr 2021 01:08:47 +0000 (21:08 -0400)
commit1cf3d68f9731199b3f753c5a87826c40a4d2168b
tree5dc9fe31c546df94c34be7a1c409161a42d6df84
parente6701e575cfd035d808edf2752881c4b6bba77d1
VirtRegMap: Add pass option to not clear virt regs

In a future change it will be possible to run register
allocation with a specific set of register classes,
so some of the remaining virtual registers will still
be meaningful.
llvm/include/llvm/CodeGen/Passes.h
llvm/lib/CodeGen/VirtRegMap.cpp