[PATCH] D88687: [InstCombine] visitTrunc - pass through undefs for trunc(shift(trunc/ext(x),c)) patterns

[Simon Pilgrim via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG9c3138bd6d8b: [InstCombine] visitTrunc - pass through undefs for trunc(shift(trunc/ext(x),c))… (authored by RKSimon).

Changed prior to commit:
  https://reviews.llvm.org/D88687?vs=297832&id=297849#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D88687/new/

https://reviews.llvm.org/D88687

Files:
  llvm/include/llvm/IR/Constant.h
  llvm/lib/IR/Constants.cpp
  llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
  llvm/test/Transforms/InstCombine/cast.ll
  llvm/test/Transforms/InstCombine/trunc-shift-trunc.ll

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