The graph is more accurate when I don't completely ignore the return value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2952 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/DataStructure/BottomUpClosure.cpp b/lib/Analysis/DataStructure/BottomUpClosure.cpp
index c8e9fc3e33e39f7c17e7df0e0bf1e5129d8d1e09..ed468e31430fa420c4b001bea6b529d84495dd2b 100644 (file)
--- a/lib/Analysis/DataStructure/BottomUpClosure.cpp
+++ b/lib/Analysis/DataStructure/BottomUpClosure.cpp
@@ -151,6 +151,9 @@ DSGraph &BUDataStructures::calculateGraph(Function &F) {
 
             ResolveArguments(Call, FI, OldValMap);
 
+            if (Call[0])  // Handle the return value if present
+              RetVal->mergeWith(Call[0]);
+            
             // Merge global value nodes in the inlined graph with the global
             // value nodes in the current graph if there are duplicates.
             //