[PATCH] D68232: [DAGCombine] Match a greater range of rotate when not all bits are demanded.

Amaury SECHET via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 30 13:24:49 PDT 2019


deadalnix marked an inline comment as done.
deadalnix added inline comments.


================
Comment at: lib/CodeGen/SelectionDAG/DAGCombiner.cpp:548
+    SDValue MatchRotate(SDValue LHS, SDValue RHS, const SDLoc &DL);
+    SDValue MatchRotate(SDValue LHS, SDValue RHS, const SDLoc &DL,
+                        const APInt &DemandedBits);
----------------
RKSimon wrote:
> The change to returning SDValue looks like an NFC that you can do right away?
I can do that, indeed. Let me land this part and rebase.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68232/new/

https://reviews.llvm.org/D68232





More information about the llvm-commits mailing list