[PATCH] D59535: [SelectionDAG] Compute known bits of CopyFromReg

[Piotr Sobczak via Phabricator via llvm-commits]

piotr updated this revision to Diff 191854.
piotr added a comment.

Addressed review comments, extracted new tests and rebased.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59535/new/

https://reviews.llvm.org/D59535

Files:
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/AMDGPU/llvm.amdgcn.s.buffer.load.ll
  test/CodeGen/ARM/atomic-op.ll
  test/CodeGen/PowerPC/pr35688.ll
  test/CodeGen/SystemZ/subregliveness-04.ll
  test/CodeGen/X86/fold-tied-op.ll
  test/CodeGen/X86/pr28444.ll

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