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AArch64/PEI: Do not add reserved regs to liveins
authorMatthias Braun <matze@braunis.de>
Sat, 27 May 2017 03:38:02 +0000 (03:38 +0000)
committerMatthias Braun <matze@braunis.de>
Sat, 27 May 2017 03:38:02 +0000 (03:38 +0000)
commit7b853c59069ad9335f1cd854f23357bf870b4ecf
tree716e45ed1b0da8d164fb15bad41365903995fa5b
parent65ac22c1e22be37958d6af295b186f5e0302d2b2
AArch64/PEI: Do not add reserved regs to liveins

We do not track liveness for reserved registers. It is unnecessary to
add them to block livein lists.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304059 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/PrologEpilogInserter.cpp
lib/Target/AArch64/AArch64FrameLowering.cpp
test/CodeGen/AArch64/live-interval-analysis.mir