[SelectionDAG] Split very large token factors for chained stores to 64k chunks.
Similar to D55073. Without this change, the DAG combiner crashes on code
with more than 64k of stores in a single basic block that form parallelizable
chains.
No test case, as it would be very IR file.
Reviewed By: RKSimon
Differential Revision: https://reviews.llvm.org/D56740
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351571 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index ff5505c..416f535 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -19349,7 +19349,7 @@
if (AddNewChain)
TFOps.insert(TFOps.begin(), NewChain);
- SDValue TF = DAG.getNode(ISD::TokenFactor, SDLoc(STChain), MVT::Other, TFOps);
+ SDValue TF = DAG.getTokenFactor(SDLoc(STChain), TFOps);
CombineTo(St, TF);
AddToWorklist(STChain);
