[PATCH] D61381: [ARM][CGP] Guard against signext args and sitofp

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
samparker added reviewers: chill, petpav01.
Herald added subscribers: kristof.beyls, javed.absar.

Add an Argument that has the SExtAttr attached, as well as SIToFP instructions, as values that generate sign bits. SIToFP doesn't strictly do this and could be treated as a sink to be sign-extended.


https://reviews.llvm.org/D61381

Files:
  lib/Target/ARM/ARMCodeGenPrepare.cpp
  test/CodeGen/ARM/CGP/arm-cgp-casts.ll
  test/CodeGen/ARM/CGP/arm-cgp-signed.ll

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