Duncan P. N. Exon Smith d26fdc83c9 CodeGen: Use MachineInstr& in LiveVariables API, NFC ...

Change all the methods in LiveVariables that expect non-null
MachineInstr* to take MachineInstr& and update the call sites.  This
clarifies the API, and designs away a class of iterator to pointer
implicit conversions.

llvm-svn: 274319

2016-07-01 01:51:32 +00:00

29 KiB

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