Initialize PersistentId for HandleSDNode, as these will never be inserted into the DAG

llvm-svn: 253524
2015-11-19 00:05:09 +00:00 · 2015-11-19 00:05:09 +00:00 · 6f2a59b715
parent 70effde0af
commit 6f2a59b715
1 changed files with 3 additions and 0 deletions
--- a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
@ -1074,6 +1074,9 @@ class HandleSDNode : public SDNode {
 public:
  explicit HandleSDNode(SDValue X)
    : SDNode(ISD::HANDLENODE, 0, DebugLoc(), getSDVTList(MVT::Other)) {
+    // HandleSDNodes are never inserted into the DAG, so they won't be
+    // auto-numbered. Use ID 65535 as a sentinel.
+    PersistentId = 0xffff;
    InitOperands(&Op, X);
  }
  ~HandleSDNode();