IR: Remove redundant calls to MDNode::setHash(), NFC

`storeDistinctInContext()` already calls `setHash(0)`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225642 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/IR/Metadata.cpp b/lib/IR/Metadata.cpp
index bd3805842a58ec3151be9193a00ca1d8e0610fbf..9dd07df1f8d194974a828c009e2e245128ab74ad 100644 (file)
--- a/lib/IR/Metadata.cpp
+++ b/lib/IR/Metadata.cpp
@@ -522,7 +522,6 @@ void GenericMDNode::handleChangedOperand(void *Ref, Metadata *New) {
   // Drop uniquing for self-reference cycles.
   if (New == this) {
     storeDistinctInContext();
-    setHash(0);
     if (!isResolved())
       resolve();
     return;
@@ -569,7 +568,6 @@ void GenericMDNode::handleChangedOperand(void *Ref, Metadata *New) {
   }
 
   // Store in non-uniqued form if this node has already been resolved.
-  setHash(0);
   storeDistinctInContext();
 }