Author: Simon Pilgrim Date: 2021-01-13T17:19:41Z New Revision: 993c488ed2b347011d9d71990af38a82aaf5bdf5
URL: https://github.com/llvm/llvm-project/commit/993c488ed2b347011d9d71990af38a82aaf5bdf5 DIFF: https://github.com/llvm/llvm-project/commit/993c488ed2b347011d9d71990af38a82aaf5bdf5.diff LOG: [DAG] visitVECTOR_SHUFFLE - use all_of to check for all-undef shuffle mask. NFCI. Added: Modified: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Removed: ################################################################################ diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 5d9bb4e4a98b..7e4ee3beeeed 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -20901,11 +20901,7 @@ SDValue DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { } // Check if all indices in Mask are Undef. In case, propagate Undef. - bool isUndefMask = true; - for (unsigned i = 0; i != NumElts && isUndefMask; ++i) - isUndefMask &= Mask[i] < 0; - - if (isUndefMask) + if (llvm::all_of(Mask, [](int M) { return M < 0; })) return DAG.getUNDEF(VT); if (!SV0.getNode()) _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits