[llvm] [DAG] Matched FixedWidth pattern for ISD::AVGFLOORU (PR #84903)
Shourya Goel via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 13 03:56:05 PDT 2024
================
@@ -2821,6 +2821,47 @@ SDValue DAGCombiner::visitADDLike(SDNode *N) {
return SDValue();
}
+// Attempt to form avgflooru(A, B) from add(and(A, B), lshr(xor(A, B), 1))
+static SDValue combineFixedwidthToAVGFLOORU(SDNode *N, SelectionDAG &DAG) {
+ assert(N->getOpcode() == ISD::ADD and "ADD node is required here");
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Sh0g0-1758 wrote:
done.
https://github.com/llvm/llvm-project/pull/84903
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