From f58ef87bb789bece7cba04925756814b903b3740 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Sun, 2 Jun 2019 03:31:01 +0000
Subject: [PATCH] [DAGCombiner] Replace two unchecked dyn_casts with casts.

The results of the dyn_casts were immediately dereferenced on the next line
so they had better not be null.

I don't think there's any way for these dyn_casts to fail, so use a cast
of adding null check.

llvm-svn: 362315
---
 llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 773e0281b173..4ed17440abc0 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -8068,7 +8068,7 @@ SDValue DAGCombiner::visitMSTORE(SDNode *N) {
   if (Level >= AfterLegalizeTypes)
     return SDValue();
 
-  MaskedStoreSDNode *MST = dyn_cast<MaskedStoreSDNode>(N);
+  MaskedStoreSDNode *MST = cast<MaskedStoreSDNode>(N);
   SDValue Mask = MST->getMask();
   SDValue Data  = MST->getValue();
   EVT VT = Data.getValueType();
@@ -8219,7 +8219,7 @@ SDValue DAGCombiner::visitMLOAD(SDNode *N) {
   if (Level >= AfterLegalizeTypes)
     return SDValue();
 
-  MaskedLoadSDNode *MLD = dyn_cast<MaskedLoadSDNode>(N);
+  MaskedLoadSDNode *MLD = cast<MaskedLoadSDNode>(N);
   SDValue Mask = MLD->getMask();
   SDLoc DL(N);