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Rename WeakVH to WeakTrackingVH; NFC

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This relands r301424.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301812 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjoy Das
2017-05-01 17:07:49 +00:00
parent 94499981f9
commit 399b4d037d
40 changed files with 201 additions and 207 deletions
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lib/Analysis/CallGraphSCCPass.cpp
+3 -2
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@@ -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
@@ -347,7 +347,8 @@ bool CGPassManager::RefreshCallGraph(const CallGraphSCC &CurSCC, CallGraph &CG,
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
// 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");