[PATCH] D51532: [DAGCombine] optimizeSetCCOfSignedTruncationCheck(): handle inverted pattern

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri created this revision.
lebedev.ri added reviewers: spatel, craig.topper, RKSimon.
Herald added a reviewer: javed.absar.

A follow-up for https://reviews.llvm.org/D49266 / https://reviews.llvm.org/rL337166 + https://reviews.llvm.org/D49497 / https://reviews.llvm.org/rL338044.

I'm actually not quite sure about this, is it this simple?
https://rise4fun.com/Alive/BDV
https://rise4fun.com/Alive/n7Z


Repository:
  rL LLVM

https://reviews.llvm.org/D51532

Files:
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  test/CodeGen/AArch64/lack-of-signed-truncation-check.ll
  test/CodeGen/AArch64/signed-truncation-check.ll
  test/CodeGen/X86/lack-of-signed-truncation-check.ll
  test/CodeGen/X86/signed-truncation-check.ll

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