[PATCH] D29591: [DAGCombiner] Support {a|s}ext, {a|z|s}ext load nodes in load combine

[Artur Pilipenko via Phabricator via llvm-commits]

apilipenko created this revision.
Herald added a reviewer: javed.absar.

Support {a|s}ext, {a|z|s}ext load nodes as a part of load combine patters.


https://reviews.llvm.org/D29591

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/AArch64/load-combine-big-endian.ll
  test/CodeGen/AArch64/load-combine.ll
  test/CodeGen/ARM/fp16-promote.ll
  test/CodeGen/ARM/load-combine-big-endian.ll
  test/CodeGen/ARM/load-combine.ll
  test/CodeGen/X86/load-combine.ll

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