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Matt Arsenault
f5a4de6d25
Every time a physical register reference was parsed, this would initialize a string map for every register in in target, and discard it for the next. The same applies for the other fields initialized from target information. Follow along with how the function state is tracked, and add a new tracking class for target information. The string->register class/register bank for some reason were kept separately, so track them in the same place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@355970 91177308-0d34-0410-b5e6-96231b3b80d8
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