// fold (sext (truncate (srl (load x), c))) -> (sext (smaller load (x+c/n)))
SDValue NarrowLoad = ReduceLoadWidth(N0.getNode());
if (NarrowLoad.getNode()) {
- if (NarrowLoad.getNode() != N0.getNode())
+ SDNode* oye = N0.getNode()->getOperand(0).getNode();
+ if (NarrowLoad.getNode() != N0.getNode()) {
CombineTo(N0.getNode(), NarrowLoad);
+ // CombineTo deleted the truncate, if needed, but not what's under it.
+ AddToWorkList(oye);
+ }
return SDValue(N, 0); // Return N so it doesn't get rechecked!
}
if (N0.getOpcode() == ISD::TRUNCATE) {
SDValue NarrowLoad = ReduceLoadWidth(N0.getNode());
if (NarrowLoad.getNode()) {
- if (NarrowLoad.getNode() != N0.getNode())
+ SDNode* oye = N0.getNode()->getOperand(0).getNode();
+ if (NarrowLoad.getNode() != N0.getNode()) {
CombineTo(N0.getNode(), NarrowLoad);
+ // CombineTo deleted the truncate, if needed, but not what's under it.
+ AddToWorkList(oye);
+ }
return DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(), VT, NarrowLoad);
}
}