diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 0f1576050ff..f4734461a62 100644
--- a/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -1539,6 +1539,14 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI,
                               Builder->getInt(CR.getLower()));
         }
       }
+
+      // X-C1 <u 2 -> (X & -2) == C1
+      //   iff C1 & 1 == 0
+      if (ICI.getPredicate() == ICmpInst::ICMP_ULT && LHSI->hasOneUse() &&
+          LHSV[0] == 0 && RHSV == 2)
+        return new ICmpInst(ICmpInst::ICMP_EQ,
+                            Builder->CreateAnd(LHSI->getOperand(0), -RHSV),
+                            ConstantExpr::getNeg(LHSC));
     }
     break;
   }
diff --git a/test/Transforms/InstCombine/icmp.ll b/test/Transforms/InstCombine/icmp.ll
index 929688195fe..cf8305df2a9 100644
--- a/test/Transforms/InstCombine/icmp.ll
+++ b/test/Transforms/InstCombine/icmp.ll
@@ -1113,3 +1113,13 @@ define i1 @or_icmp_eq_B_0_icmp_ult_A_B(i64 %a, i64 %b) {
   %3 = or i1 %1, %2
   ret i1 %3
 }
+
+; CHECK: @icmp_add_ult_2
+; CHECK-NEXT: [[AND:%[a-z0-9]+]] = and i32 %X, -2
+; CHECK-NEXT: [[CMP:%[a-z0-9]+]] = icmp eq i32 [[AND]], 14
+; CHECK-NEXT: ret i1 [[CMP]]
+define i1 @icmp_add_ult_2(i32 %X) {
+  %add = add i32 %X, -14
+  %cmp = icmp ult i32 %add, 2
+  ret i1 %cmp
+}