[FastISel] NFC: Clean up unnecessary bookkeeping
authorPaul Robinson <paul.robinson@sony.com>
Mon, 30 Nov 2020 19:42:08 +0000 (11:42 -0800)
committerPaul Robinson <paul.robinson@sony.com>
Mon, 30 Nov 2020 20:27:50 +0000 (12:27 -0800)
commit3fd39d3694d32efa44242c099e923a7f4d982095
treee89e57674f8305480870fad980109dd85f9070cc
parent4e85e0ca904d154b1ee30b213e8d7bfb8afaa25d
[FastISel] NFC: Clean up unnecessary bookkeeping

Now that we flush the local value map for every instruction, we don't
need any extra flushes for specific cases.  Also, LastFlushPoint is
not used for anything.  Follow-ups to #dc35368 (D91734).

Differential Revision: https://reviews.llvm.org/D92338
llvm/include/llvm/CodeGen/FastISel.h
llvm/lib/CodeGen/SelectionDAG/FastISel.cpp