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Commit 6a42d7fd authored by Matthias Braun's avatar Matthias Braun
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ARM: Handle physreg targets in RegPair hints gracefully 

Register coalescing can change the target of a RegPair hint to a
physreg, we should not crash on this. This also slightly improved the
way ARMBaseRegisterInfo::updateRegAllocHint() works.

llvm-svn: 233987
parent 5d8c1e3f
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