diff --git a/llvm/lib/IR/ConstantRange.cpp b/llvm/lib/IR/ConstantRange.cpp
--- a/llvm/lib/IR/ConstantRange.cpp
+++ b/llvm/lib/IR/ConstantRange.cpp
@@ -269,6 +269,17 @@
 
     return makeExactMulNSWRegion(Other.getSignedMin())
         .intersectWith(makeExactMulNSWRegion(Other.getSignedMax()));
+
+  case Instruction::Shl: {
+    APInt ShAmtUMax = Other.getUnsignedMax();
+    if (ShAmtUMax.uge(BitWidth))
+      return getEmpty(BitWidth); // Shift by bitwidth or more always overflows.
+    if (Unsigned)
+      return getNonEmpty(APInt::getNullValue(BitWidth),
+                         APInt::getMaxValue(BitWidth).lshr(ShAmtUMax) + 1);
+    return getNonEmpty(APInt::getSignedMinValue(BitWidth).ashr(ShAmtUMax),
+                       APInt::getSignedMaxValue(BitWidth).ashr(ShAmtUMax) + 1);
+  }
   }
 }
 
diff --git a/llvm/unittests/IR/ConstantRangeTest.cpp b/llvm/unittests/IR/ConstantRangeTest.cpp
--- a/llvm/unittests/IR/ConstantRangeTest.cpp
+++ b/llvm/unittests/IR/ConstantRangeTest.cpp
@@ -1610,6 +1610,20 @@
         (void) N1.smul_ov(N2, Overflow);
         return Overflow;
       });
+  TestNoWrapRegionExhaustive(Instruction::Shl,
+                             OverflowingBinaryOperator::NoUnsignedWrap,
+                             [](const APInt &N1, const APInt &N2) {
+                               bool Overflow;
+                               (void)N1.ushl_ov(N2, Overflow);
+                               return Overflow;
+                             });
+  TestNoWrapRegionExhaustive(Instruction::Shl,
+                             OverflowingBinaryOperator::NoSignedWrap,
+                             [](const APInt &N1, const APInt &N2) {
+                               bool Overflow;
+                               (void)N1.sshl_ov(N2, Overflow);
+                               return Overflow;
+                             });
 }
 
 TEST(ConstantRange, GetEquivalentICmp) {
@@ -1773,6 +1787,79 @@
   }
 }
 
+TEST(ConstantRange, MakeGuaranteedNoWrapRegionShlUnsignedSingleValue) {
+  typedef OverflowingBinaryOperator OBO;
+
+  for (uint64_t I = std::numeric_limits<uint8_t>::min();
+       I <= std::numeric_limits<uint8_t>::max(); I++) {
+    auto Range = ConstantRange::makeGuaranteedNoWrapRegion(
+        Instruction::Shl, ConstantRange(APInt(8, I), APInt(8, I + 1)),
+        OBO::NoUnsignedWrap);
+
+    for (uint64_t V = std::numeric_limits<uint8_t>::min();
+         V <= std::numeric_limits<uint8_t>::max(); V++) {
+      bool Overflow;
+      (void)APInt(8, V).ushl_ov(APInt(8, I), Overflow);
+      EXPECT_EQ(!Overflow, Range.contains(APInt(8, V)));
+    }
+  }
+}
+
+TEST(ConstantRange, MakeGuaranteedNoWrapRegionShlSignedSingleValue) {
+  typedef OverflowingBinaryOperator OBO;
+
+  for (uint64_t I = std::numeric_limits<uint8_t>::min();
+       I <= std::numeric_limits<uint8_t>::max(); I++) {
+    auto Range = ConstantRange::makeGuaranteedNoWrapRegion(
+        Instruction::Shl, ConstantRange(APInt(8, I), APInt(8, I + 1)),
+        OBO::NoSignedWrap);
+
+    for (int64_t V = std::numeric_limits<int8_t>::min();
+         V <= std::numeric_limits<int8_t>::max(); V++) {
+      bool Overflow;
+      (void)APInt(8, V, /*isSigned=*/true).sshl_ov(APInt(8, I), Overflow);
+      EXPECT_EQ(!Overflow, Range.contains(APInt(8, V, /*isSigned=*/true)));
+    }
+  }
+}
+
+TEST(ConstantRange, MakeGuaranteedNoWrapRegionShlUnsignedRange) {
+  typedef OverflowingBinaryOperator OBO;
+
+  for (uint64_t Lo = std::numeric_limits<uint8_t>::min();
+       Lo <= std::numeric_limits<uint8_t>::max(); Lo++) {
+    for (uint64_t Hi = Lo; Hi <= std::numeric_limits<uint8_t>::max(); Hi++) {
+      EXPECT_EQ(
+          ConstantRange::makeGuaranteedNoWrapRegion(
+              Instruction::Shl, ConstantRange(APInt(8, Lo), APInt(8, Hi + 1)),
+              OBO::NoUnsignedWrap),
+          ConstantRange::makeGuaranteedNoWrapRegion(
+              Instruction::Shl, ConstantRange(APInt(8, Hi), APInt(8, Hi + 1)),
+              OBO::NoUnsignedWrap));
+    }
+  }
+}
+
+TEST(ConstantRange, MakeGuaranteedNoWrapRegionShlSignedRange) {
+  typedef OverflowingBinaryOperator OBO;
+
+  int Lo = -12, Hi = 16;
+  auto Range = ConstantRange::makeGuaranteedNoWrapRegion(
+      Instruction::Shl, ConstantRange(APInt(8, Lo), APInt(8, Hi + 1)),
+      OBO::NoSignedWrap);
+
+  for (int64_t V = std::numeric_limits<int8_t>::min();
+       V <= std::numeric_limits<int8_t>::max(); V++) {
+    bool AnyOverflow = false;
+    for (int64_t I = Lo; I <= Hi; I++) {
+      bool Overflow;
+      (void)APInt(8, V, /*isSigned=*/true).sshl_ov(APInt(8, I), Overflow);
+      AnyOverflow |= Overflow;
+    }
+    EXPECT_EQ(!AnyOverflow, Range.contains(APInt(8, V, /*isSigned=*/true)));
+  }
+}
+
 #define EXPECT_MAY_OVERFLOW(op) \
   EXPECT_EQ(ConstantRange::OverflowResult::MayOverflow, (op))
 #define EXPECT_ALWAYS_OVERFLOWS_LOW(op) \