Use a constant expr GEP instead of an actual instruction


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6620 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Instrumentation/TraceValues.cpp b/lib/Transforms/Instrumentation/TraceValues.cpp
index 499bc4c..618466a 100644
--- a/lib/Transforms/Instrumentation/TraceValues.cpp
+++ b/lib/Transforms/Instrumentation/TraceValues.cpp
@@ -231,10 +231,8 @@
   GlobalVariable *fmtVal = getStringRef(Mod, Message+getPrintfCodeFor(V)+"\n");
 
   // Turn the format string into an sbyte *
-  Instruction *GEP = 
-    new GetElementPtrInst(fmtVal,
-                          vector<Value*>(2,ConstantSInt::get(Type::LongTy, 0)),
-                          "trstrp", InsertBefore);
+  Constant *GEP =ConstantExpr::getGetElementPtr(ConstantPointerRef::get(fmtVal),
+                     vector<Constant*>(2,Constant::getNullValue(Type::LongTy)));
   
   // Insert a call to the hash function if this is a pointer value
   if (V && isa<PointerType>(V->getType()) && !DisablePtrHashing) {