[PATCH] D103940: [X86] Check destination element type before forming VTRUNCS/VTRUNCUS in combineTruncateWithSat.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: RKSimon, pengfei, spatel.
Herald added a subscriber: hiraditya.
craig.topper requested review of this revision.
Herald added a project: LLVM.

Fixes crash reported here https://reviews.llvm.org/D73607

Using a store to keep the trunc intact. Returning v16i24 would
cause the trunc to be optimized away in SelectionDAGBuilder.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103940

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/vector-trunc-ssat.ll

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