[PATCH] D68232: [DAGCombine] Match a greater range of rotate when not all bits are demanded.
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Sep 30 10:10:14 PDT 2019
RKSimon added inline comments.
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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);
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The change to returning SDValue looks like an NFC that you can do right away?
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D68232/new/
https://reviews.llvm.org/D68232
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