[PATCH] D79294: [InstSimplify] Remove known bits constant folding

[Nikita Popov via Phabricator via llvm-commits]

nikic updated this revision to Diff 261720.
nikic added a comment.
Herald added subscribers: kerbowa, nhaehnle, jvesely.

Try to determine sign of div operands in AMDGPU expansion code. This avoids any test changes on the AMDGPU side.

If this approach looks reasonable, I'll commit it separately.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79294/new/

https://reviews.llvm.org/D79294

Files:
  lib/Analysis/InstructionSimplify.cpp
  lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp
  test/Analysis/ValueTracking/knownzero-shift.ll
  test/Transforms/GVN/PRE/volatile.ll
  test/Transforms/InstSimplify/assume.ll
  test/Transforms/InstSimplify/call.ll
  test/Transforms/InstSimplify/or.ll
  test/Transforms/InstSimplify/shift-knownbits.ll

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