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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2021-01-13 17:14:07 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2021-01-13 17:19:41 +0000 |
| commit | 993c488ed2b347011d9d71990af38a82aaf5bdf5 (patch) | |
| tree | e43988cfe9cffaaad061052822494406c1fb3375 | |
| parent | efb6e45d2be8e3e0843bdc4c2766e6910083c08e (diff) | |
| download | llvm-993c488ed2b347011d9d71990af38a82aaf5bdf5.tar.gz | |
[DAG] visitVECTOR_SHUFFLE - use all_of to check for all-undef shuffle mask. NFCI.
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
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()) |