[PATCH] D59244: [DAG] Move integer setcc %x, %x folding into FoldSetCC

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: spatel, efriedma, craig.topper.
Herald added a subscriber: javed.absar.
Herald added a project: LLVM.

First step towards PR40800

I intend to move the float case in a separate future patch

I had to tweak the (overly reduced) thumb2 test

The x86 widening test change is annoying (no longer rematerializable) but we should address this separately.


Repository:
  rL LLVM

https://reviews.llvm.org/D59244

Files:
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  test/CodeGen/AArch64/fast-isel-cmp-vec.ll
  test/CodeGen/Thumb2/cross-rc-coalescing-2.ll
  test/CodeGen/X86/widen_compare-1.ll

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