Index: lib/Analysis/ScalarEvolution.cpp
===================================================================
--- lib/Analysis/ScalarEvolution.cpp
+++ lib/Analysis/ScalarEvolution.cpp
@@ -4095,6 +4095,7 @@
   case Instruction::Sub:
   case Instruction::Mul:
   case Instruction::UDiv:
+  case Instruction::URem:
   case Instruction::And:
   case Instruction::Or:
   case Instruction::AShr:
@@ -5417,6 +5418,13 @@
     }
     case Instruction::UDiv:
       return getUDivExpr(getSCEV(BO->LHS), getSCEV(BO->RHS));
+    case Instruction::URem: {
+      const SCEV *LSCEV = getSCEV(BO->LHS);
+      const SCEV *RSCEV = getSCEV(BO->RHS);
+      const SCEV *UDiv = getUDivExpr(LSCEV, RSCEV);
+      const SCEV *Mult = getMulExpr(UDiv, RSCEV, SCEV::FlagNUW);
+      return getMinusSCEV(LSCEV, Mult, SCEV::FlagNUW);
+    }
     case Instruction::Sub: {
       SCEV::NoWrapFlags Flags = SCEV::FlagAnyWrap;
       if (BO->Op)
Index: test/Analysis/ScalarEvolution/urem-0.ll
===================================================================
--- /dev/null
+++ test/Analysis/ScalarEvolution/urem-0.ll
@@ -0,0 +1,8 @@
+; RUN: opt < %s -scalar-evolution -analyze | FileCheck %s
+
+; CHECK: -->  ((-27 * (%a /u 27)) + %a)
+
+define i8 @foo(i8 %a) {
+        %t0 = urem i8 %a, 27
+        ret i8 %t0
+}