[PATCH] D60462: [TargetLowering][AMDGPU][X86] Improve SimplifyDemandedBits bitcast handling

[Matt Arsenault via Phabricator via llvm-commits]

arsenm accepted this revision.
arsenm added a comment.
This revision is now accepted and ready to land.

LGTM



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Comment at: lib/Target/AMDGPU/AMDGPUISelLowering.cpp:3162
+  // this improves the ability to match BFE patterns in isel.
+  if (LHS.getOpcode() == ISD::AND)
+    if (auto *Mask = dyn_cast<ConstantSDNode>(LHS.getOperand(1)))
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Braecs around this


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60462/new/

https://reviews.llvm.org/D60462