Avoid gratuitous inefficiency in ifndef NDEBUG code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111137 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 8c9b72f..1e6c856 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -1667,9 +1667,9 @@
   assert(!Ops.empty() && "Cannot get empty mul!");
   if (Ops.size() == 1) return Ops[0];
 #ifndef NDEBUG
+  const Type *ETy = getEffectiveSCEVType(Ops[0]->getType());
   for (unsigned i = 1, e = Ops.size(); i != e; ++i)
-    assert(getEffectiveSCEVType(Ops[i]->getType()) ==
-           getEffectiveSCEVType(Ops[0]->getType()) &&
+    assert(getEffectiveSCEVType(Ops[i]->getType()) == ETy &&
            "SCEVMulExpr operand types don't match!");
 #endif
 
@@ -1989,9 +1989,9 @@
                                bool HasNUW, bool HasNSW) {
   if (Operands.size() == 1) return Operands[0];
 #ifndef NDEBUG
+  const Type *ETy = getEffectiveSCEVType(Operands[0]->getType());
   for (unsigned i = 1, e = Operands.size(); i != e; ++i)
-    assert(getEffectiveSCEVType(Operands[i]->getType()) ==
-           getEffectiveSCEVType(Operands[0]->getType()) &&
+    assert(getEffectiveSCEVType(Operands[i]->getType()) == ETy &&
            "SCEVAddRecExpr operand types don't match!");
 #endif
 
@@ -2089,9 +2089,9 @@
   assert(!Ops.empty() && "Cannot get empty smax!");
   if (Ops.size() == 1) return Ops[0];
 #ifndef NDEBUG
+  const Type *ETy = getEffectiveSCEVType(Ops[0]->getType());
   for (unsigned i = 1, e = Ops.size(); i != e; ++i)
-    assert(getEffectiveSCEVType(Ops[i]->getType()) ==
-           getEffectiveSCEVType(Ops[0]->getType()) &&
+    assert(getEffectiveSCEVType(Ops[i]->getType()) == ETy &&
            "SCEVSMaxExpr operand types don't match!");
 #endif
 
@@ -2194,9 +2194,9 @@
   assert(!Ops.empty() && "Cannot get empty umax!");
   if (Ops.size() == 1) return Ops[0];
 #ifndef NDEBUG
+  const Type *ETy = getEffectiveSCEVType(Ops[0]->getType());
   for (unsigned i = 1, e = Ops.size(); i != e; ++i)
-    assert(getEffectiveSCEVType(Ops[i]->getType()) ==
-           getEffectiveSCEVType(Ops[0]->getType()) &&
+    assert(getEffectiveSCEVType(Ops[i]->getType()) == ETy &&
            "SCEVUMaxExpr operand types don't match!");
 #endif