[PATCH] D150648: [KnownBits] Return zero instead of unknown for always poison shifts

[Nikita Popov 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 rGf7d1baa414e6: [KnownBits] Return zero instead of unknown for always poison shifts (authored by nikic).

Changed prior to commit:
  https://reviews.llvm.org/D150648?vs=522495&id=524665#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150648/new/

https://reviews.llvm.org/D150648

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/lib/Support/KnownBits.cpp
  llvm/test/Analysis/ScalarEvolution/ashr.ll
  llvm/test/CodeGen/AArch64/GlobalISel/form-bitfield-extract-from-sextinreg.mir
  llvm/test/CodeGen/LoongArch/rotl-rotr.ll
  llvm/test/CodeGen/RISCV/rotl-rotr.ll
  llvm/test/Transforms/InstCombine/not-add.ll
  llvm/test/Transforms/InstCombine/oss_fuzz_32759.ll
  llvm/test/Transforms/InstCombine/shift.ll
  llvm/unittests/Analysis/ValueTrackingTest.cpp
  llvm/unittests/CodeGen/GlobalISel/KnownBitsTest.cpp
  llvm/unittests/CodeGen/GlobalISel/KnownBitsVectorTest.cpp

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