Rename WeakVH to WeakTrackingVH; NFC

Summary:
I plan to use WeakVH to mean "nulls itself out on deletion, but does
not track RAUW" in a subsequent commit.

Reviewers: dblaikie, davide

Reviewed By: davide

Subscribers: arsenm, mehdi_amini, mcrosier, mzolotukhin, jfb, llvm-commits, nhaehnle

Differential Revision: https://reviews.llvm.org/D32266

llvm-svn: 301424

1 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/Analysis/CallGraphSCCPass.cpp b/llvm/lib/Analysis/CallGraphSCCPass.cpp
index ea70f5752c6..fc045048ec8 100644
--- a/llvm/lib/Analysis/CallGraphSCCPass.cpp
+++ b/llvm/lib/Analysis/CallGraphSCCPass.cpp
@@ -204,7 +204,7 @@ bool CGPassManager::RefreshCallGraph(const CallGraphSCC &CurSCC, CallGraph &CG,
     // Get the set of call sites currently in the function.
     for (CallGraphNode::iterator I = CGN->begin(), E = CGN->end(); I != E; ) {
       // If this call site is null, then the function pass deleted the call
-      // entirely and the WeakVH nulled it out.  
+      // entirely and the WeakTrackingVH nulled it out.
       if (!I->first ||
           // If we've already seen this call site, then the FunctionPass RAUW'd
           // one call with another, which resulted in two "uses" in the edge
@@ -345,10 +345,10 @@ bool CGPassManager::RefreshCallGraph(const CallGraphSCC &CurSCC, CallGraph &CG,
     if (NumIndirectRemoved > NumIndirectAdded &&
         NumDirectRemoved < NumDirectAdded)
       DevirtualizedCall = true;
-    
+
     // After scanning this function, if we still have entries in callsites, then
-    // they are dangling pointers.  WeakVH should save us for this, so abort if
-    // this happens.
+    // they are dangling pointers.  WeakTrackingVH should save us for this, so
+    // abort if this happens.
     assert(CallSites.empty() && "Dangling pointers found in call sites map");
     
     // Periodically do an explicit clear to remove tombstones when processing