[DAGCombiner] Use APInt::isSubsetOf. NFC (#142029)

topperc · web-flow · commit c5a17e6bea67 · 2025-05-30T09:01:36.000-07:00
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -6813,7 +6813,7 @@ bool DAGCombiner::SearchForAndLoads(SDNode *N,
     // Some constants may need fixing up later if they are too large.
     if (auto *C = dyn_cast<ConstantSDNode>(Op)) {
       if ((N->getOpcode() == ISD::OR || N->getOpcode() == ISD::XOR) &&
-          (Mask->getAPIntValue() & C->getAPIntValue()) != C->getAPIntValue())
+          !C->getAPIntValue().isSubsetOf(Mask->getAPIntValue()))
         NodesWithConsts.insert(N);
       continue;
     }

Original file line number	Diff line number	Diff line change
`@@ -6813,7 +6813,7 @@ bool DAGCombiner::SearchForAndLoads(SDNode *N,`
`6813`	`6813`	`// Some constants may need fixing up later if they are too large.`
`6814`	`6814`	`if (auto *C = dyn_cast<ConstantSDNode>(Op)) {`
`6815`	`6815`	`if ((N->getOpcode() == ISD::OR \|\| N->getOpcode() == ISD::XOR) &&`
`6816`		`- (Mask->getAPIntValue() & C->getAPIntValue()) != C->getAPIntValue())`
	`6816`	`+ !C->getAPIntValue().isSubsetOf(Mask->getAPIntValue()))`
`6817`	`6817`	`NodesWithConsts.insert(N);`
`6818`	`6818`	`continue;`
`6819`	`6819`	`}`