[llvm-commits] [llvm] r47275 - /llvm/trunk/lib/Transforms/Scalar/GVN.cpp

[Chris Lattner]

Author: lattner
Date: Mon Feb 18 11:47:29 2008
New Revision: 47275

URL: http://llvm.org/viewvc/llvm-project?rev=47275&view=rev
Log:
minor code simplification, no functionality change.

Modified:
    llvm/trunk/lib/Transforms/Scalar/GVN.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/GVN.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/GVN.cpp?rev=47275&r1=47274&r2=47275&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/GVN.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/GVN.cpp Mon Feb 18 11:47:29 2008
@@ -1117,15 +1117,13 @@
   
   // First, we have to check that the dependency is another memcpy
   Instruction* dep = MD.getDependency(M);
-  if  (dep == MemoryDependenceAnalysis::None ||
-       dep == MemoryDependenceAnalysis::NonLocal)
+  if (dep == MemoryDependenceAnalysis::None ||
+      dep == MemoryDependenceAnalysis::NonLocal)
+    return false;
+  else if (CallInst* C = dyn_cast<CallInst>(dep))
+    return performReturnSlotOptzn(M, C, toErase);
+  else if (!isa<MemCpyInst>(dep))
     return false;
-  else if (!isa<MemCpyInst>(dep)) {
-    if (CallInst* C = dyn_cast<CallInst>(dep))
-      return performReturnSlotOptzn(M, C, toErase);
-    else
-      return false;
-  }
   
   // We can only transforms memcpy's where the dest of one is the source of the
   // other