[llvm-commits] [poolalloc] r130268 - /poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp

[Arushi Aggarwal]

Author: aggarwa4
Date: Tue Apr 26 19:39:15 2011
New Revision: 130268

URL: http://llvm.org/viewvc/llvm-project?rev=130268&view=rev
Log:
If the use is never used, dont count this as address
taken. CallInst/InvokeInst/StoreInst which are 
relavant without subsequent uses of result, have 
already been checked.

Modified:
    poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp

Modified: poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp?rev=130268&r1=130267&r2=130268&view=diff
==============================================================================
--- poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp (original)
+++ poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp Tue Apr 26 19:39:15 2011
@@ -42,6 +42,8 @@
     if(isa<StoreInst>(U))
       return true;
     if (!isa<CallInst>(U) && !isa<InvokeInst>(U)) {
+      if(U->use_empty())
+        continue;
       if(isa<GlobalAlias>(U)) {
         if(isAddressTaken(U))
           return true;
@@ -53,7 +55,6 @@
             }
           }
         }
-        
         return true;
       }