================
@@ -2767,6 +2767,19 @@ SDValue DAGCombiner::visitPTRADD(SDNode *N) {
}
}
+ // Transform (ptradd a, b) -> (or disjoint a, b) if it is equivalent and if
+ // that transformation can't block an offset folding at any use of the
ptradd.
+ // This should be done late, after legalization, so that it doesn't block
+ // other ptradd combines that could enable more offset folding.
+ if (LegalOperations && DAG.haveNoCommonBitsSet(N0, N1)) {
+ bool TransformCanBreakAddrMode = any_of(N->users(), [&](SDNode *User) {
+ return canFoldInAddressingMode(N, User, DAG, TLI);
+ });
+
+ if (!TransformCanBreakAddrMode)
----------------
arsenm wrote:
!any_of -> none_of
https://github.com/llvm/llvm-project/pull/146075
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