[PATCH] D32746: [globalisel][legalizer] G_LOAD/G_STORE NarrowScalar should not emit G_GEP x, 0.

[Daniel Sanders via Phabricator via llvm-commits]

dsanders updated this revision to Diff 100253.
dsanders added a comment.
Herald added a subscriber: javed.absar.

Factored out the optimization into MachineIRBuilder.

@qcolombet: Before I commit, I'd just like to double-check that the new
materializeGEP() function in MachineIRBuilder is ok with you. The
materialize*() name is intended to be used for instructions that may have to
create vregs in some cases.


https://reviews.llvm.org/D32746

Files:
  include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
  lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
  test/CodeGen/AArch64/GlobalISel/legalize-load-store.mir

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