Add comment
authorCarol Eidt <carol.eidt@microsoft.com>
Mon, 20 Aug 2018 17:44:41 +0000 (10:44 -0700)
committerCarol Eidt <carol.eidt@microsoft.com>
Mon, 20 Aug 2018 17:44:41 +0000 (10:44 -0700)
Commit migrated from https://github.com/dotnet/coreclr/commit/6ea024a4b60287af40280d774bfdae1ed05489fc

src/coreclr/src/jit/flowgraph.cpp

index cb7c476..8f7bbd5 100644 (file)
@@ -18505,6 +18505,10 @@ void Compiler::fgSetTreeSeqHelper(GenTree* tree, bool isLIR)
         {
             fgSetTreeSeqHelper(sizeNode, isLIR);
         }
+
+        // We either have a DYN_BLK or a STORE_DYN_BLK. If the latter, we have a
+        // src (the Data to be stored), and isReverse tells us whether to evaluate
+        // that before dstAddr.
         if (isReverse && (src != nullptr))
         {
             fgSetTreeSeqHelper(src, isLIR);