diff --git a/llvm/include/llvm/Analysis/ValueLattice.h b/llvm/include/llvm/Analysis/ValueLattice.h
--- a/llvm/include/llvm/Analysis/ValueLattice.h
+++ b/llvm/include/llvm/Analysis/ValueLattice.h
@@ -321,7 +321,7 @@
 
   /// Updates this object to approximate both this object and RHS. Returns
   /// true if this object has been changed.
-  bool mergeIn(const ValueLatticeElement &RHS, const DataLayout &DL) {
+  bool mergeIn(const ValueLatticeElement &RHS) {
     if (RHS.isUnknown() || isOverdefined())
       return false;
     if (RHS.isOverdefined()) {
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -747,7 +747,7 @@
       // Explore that input, then return here
       return false;
 
-    Result.mergeIn(EdgeResult, DL);
+    Result.mergeIn(EdgeResult);
 
     // If we hit overdefined, exit early.  The BlockVals entry is already set
     // to overdefined.
@@ -791,7 +791,7 @@
       // Explore that input, then return here
       return false;
 
-    Result.mergeIn(EdgeResult, DL);
+    Result.mergeIn(EdgeResult);
 
     // If we hit overdefined, exit early.  The BlockVals entry is already set
     // to overdefined.
@@ -989,8 +989,8 @@
   }
 
   ValueLatticeElement Result;  // Start Undefined.
-  Result.mergeIn(TrueVal, DL);
-  Result.mergeIn(FalseVal, DL);
+  Result.mergeIn(TrueVal);
+  Result.mergeIn(FalseVal);
   BBLV = Result;
   return true;
 }
diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp
--- a/llvm/lib/Transforms/Scalar/SCCP.cpp
+++ b/llvm/lib/Transforms/Scalar/SCCP.cpp
@@ -409,7 +409,7 @@
       markOverdefined(IV, V);
       return true;
     }
-    if (IV.mergeIn(MergeWithV, DL)) {
+    if (IV.mergeIn(MergeWithV)) {
       pushToWorkList(IV, V);
       LLVM_DEBUG(dbgs() << "Merged " << MergeWithV << " into " << *V << " : "
                         << IV << "\n");
@@ -743,7 +743,7 @@
       continue;
 
     ValueLatticeElement &Res = getValueState(&PN);
-    Changed |= Res.mergeIn(IV, DL);
+    Changed |= Res.mergeIn(IV);
     if (Res.isOverdefined())
       break;
   }
@@ -909,8 +909,8 @@
   ValueLatticeElement TVal = getValueState(I.getTrueValue());
   ValueLatticeElement FVal = getValueState(I.getFalseValue());
 
-  bool Changed = ValueState[&I].mergeIn(TVal, DL);
-  Changed |= ValueState[&I].mergeIn(FVal, DL);
+  bool Changed = ValueState[&I].mergeIn(TVal);
+  Changed |= ValueState[&I].mergeIn(FVal);
   if (Changed)
     pushToWorkListMsg(ValueState[&I], &I);
 }
diff --git a/llvm/unittests/Analysis/ValueLatticeTest.cpp b/llvm/unittests/Analysis/ValueLatticeTest.cpp
--- a/llvm/unittests/Analysis/ValueLatticeTest.cpp
+++ b/llvm/unittests/Analysis/ValueLatticeTest.cpp
@@ -23,9 +23,6 @@
 class ValueLatticeTest : public testing::Test {
 protected:
   LLVMContext Context;
-  Module M;
-
-  ValueLatticeTest() : M("", Context) {}
 };
 
 TEST_F(ValueLatticeTest, ValueLatticeGetters) {
@@ -66,26 +63,26 @@
 
   // Merge to lattice values with equal integer constant.
   auto LV1 = ValueLatticeElement::get(C1);
-  EXPECT_FALSE(LV1.mergeIn(ValueLatticeElement::get(C1), M.getDataLayout()));
+  EXPECT_FALSE(LV1.mergeIn(ValueLatticeElement::get(C1)));
   EXPECT_TRUE(LV1.isConstantRange());
   EXPECT_EQ(LV1.asConstantInteger().getValue().getLimitedValue(), 1U);
 
   // Merge LV1 with different integer constant.
-  EXPECT_TRUE(LV1.mergeIn(ValueLatticeElement::get(ConstantInt::get(I32Ty, 99)),
-                          M.getDataLayout()));
+  EXPECT_TRUE(
+      LV1.mergeIn(ValueLatticeElement::get(ConstantInt::get(I32Ty, 99))));
   EXPECT_TRUE(LV1.isConstantRange());
   EXPECT_EQ(LV1.getConstantRange().getLower().getLimitedValue(), 1U);
   EXPECT_EQ(LV1.getConstantRange().getUpper().getLimitedValue(), 100U);
 
   // Merge constant range with same constant range.
-  EXPECT_FALSE(LV1.mergeIn(LV1, M.getDataLayout()));
+  EXPECT_FALSE(LV1.mergeIn(LV1));
   EXPECT_TRUE(LV1.isConstantRange());
   EXPECT_EQ(LV1.getConstantRange().getLower().getLimitedValue(), 1U);
   EXPECT_EQ(LV1.getConstantRange().getUpper().getLimitedValue(), 100U);
 
   // Merge LV1 in undefined value.
   ValueLatticeElement LV2;
-  EXPECT_TRUE(LV2.mergeIn(LV1, M.getDataLayout()));
+  EXPECT_TRUE(LV2.mergeIn(LV1));
   EXPECT_TRUE(LV1.isConstantRange());
   EXPECT_EQ(LV1.getConstantRange().getLower().getLimitedValue(), 1U);
   EXPECT_EQ(LV1.getConstantRange().getUpper().getLimitedValue(), 100U);
@@ -94,13 +91,11 @@
   EXPECT_EQ(LV2.getConstantRange().getUpper().getLimitedValue(), 100U);
 
   // Merge LV1 with overdefined.
-  EXPECT_TRUE(
-      LV1.mergeIn(ValueLatticeElement::getOverdefined(), M.getDataLayout()));
+  EXPECT_TRUE(LV1.mergeIn(ValueLatticeElement::getOverdefined()));
   EXPECT_TRUE(LV1.isOverdefined());
 
   // Merge overdefined with overdefined.
-  EXPECT_FALSE(
-      LV1.mergeIn(ValueLatticeElement::getOverdefined(), M.getDataLayout()));
+  EXPECT_FALSE(LV1.mergeIn(ValueLatticeElement::getOverdefined()));
   EXPECT_TRUE(LV1.isOverdefined());
 }
 
@@ -165,8 +160,7 @@
   EXPECT_TRUE(LV1.getCompare(CmpInst::FCMP_OGT, I1Ty, LV2)->isZeroValue());
 
   EXPECT_TRUE(
-      LV1.mergeIn(ValueLatticeElement::get(ConstantFP::get(FloatTy, 2.2)),
-                  M.getDataLayout()));
+      LV1.mergeIn(ValueLatticeElement::get(ConstantFP::get(FloatTy, 2.2))));
   EXPECT_EQ(LV1.getCompare(CmpInst::FCMP_OEQ, I1Ty, LV2), nullptr);
   EXPECT_EQ(LV1.getCompare(CmpInst::FCMP_OGE, I1Ty, LV2), nullptr);
   EXPECT_EQ(LV1.getCompare(CmpInst::FCMP_OLE, I1Ty, LV2), nullptr);