[llvm] bf52210 - [NFC][LazyCallGraph] Remove check in removeDeadFunction() if graph is empty

[Arthur Eubanks via llvm-commits]

Author: Arthur Eubanks
Date: 2022-01-11T10:17:13-08:00
New Revision: bf52210e25e2c19203d9e2663d80befb405d385b

URL: https://github.com/llvm/llvm-project/commit/bf52210e25e2c19203d9e2663d80befb405d385b
DIFF: https://github.com/llvm/llvm-project/commit/bf52210e25e2c19203d9e2663d80befb405d385b.diff

LOG: [NFC][LazyCallGraph] Remove check in removeDeadFunction() if graph is empty

If we're in removeDeadFunction(), we should have already constructed the call graph.

Differential Revision: https://reviews.llvm.org/D115676

Added: 
    

Modified: 
    llvm/lib/Analysis/LazyCallGraph.cpp

Removed: 
    


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diff  --git a/llvm/lib/Analysis/LazyCallGraph.cpp b/llvm/lib/Analysis/LazyCallGraph.cpp
index d3e1aa7c8d9a..ecac2d204f25 100644
--- a/llvm/lib/Analysis/LazyCallGraph.cpp
+++ b/llvm/lib/Analysis/LazyCallGraph.cpp
@@ -1522,13 +1522,6 @@ void LazyCallGraph::removeDeadFunction(Function &F) {
   // Remove this from the entry edges if present.
   EntryEdges.removeEdgeInternal(N);
 
-  if (SCCMap.empty()) {
-    // No SCCs have been formed, so removing this is fine and there is nothing
-    // else necessary at this point but clearing out the node.
-    N.clear();
-    return;
-  }
-
   // Cannot remove a function which has yet to be visited in the DFS walk, so
   // if we have a node at all then we must have an SCC and RefSCC.
   auto CI = SCCMap.find(&N);