diff --git a/llvm/test/TableGen/GlobalISelEmitter.td b/llvm/test/TableGen/GlobalISelEmitter.td
index 82ecc4495e80ac..961200d9b63542 100644
--- a/llvm/test/TableGen/GlobalISelEmitter.td
+++ b/llvm/test/TableGen/GlobalISelEmitter.td
@@ -110,7 +110,7 @@ def HasC : Predicate<"Subtarget->hasC()"> { let RecomputePerFunction = 1; }
 
 // CHECK-LABEL: PredicateBitset MyTargetInstructionSelector::
 // CHECK-NEXT:  computeAvailableModuleFeatures(const MyTargetSubtarget *Subtarget) const {
-// CHECK-NEXT:    PredicateBitset Features;
+// CHECK-NEXT:    PredicateBitset Features{};
 // CHECK-NEXT:    if (Subtarget->hasA())
 // CHECK-NEXT:      Features.set(Feature_HasABit);
 // CHECK-NEXT:    if (Subtarget->hasB())
@@ -120,7 +120,7 @@ def HasC : Predicate<"Subtarget->hasC()"> { let RecomputePerFunction = 1; }
 
 // CHECK-LABEL: PredicateBitset MyTargetInstructionSelector::
 // CHECK-NEXT:  computeAvailableFunctionFeatures(const MyTargetSubtarget *Subtarget, const MachineFunction *MF) const {
-// CHECK-NEXT:    PredicateBitset Features;
+// CHECK-NEXT:    PredicateBitset Features{};
 // CHECK-NEXT:    if (Subtarget->hasC())
 // CHECK-NEXT:      Features.set(Feature_HasCBit);
 // CHECK-NEXT:    return Features;
diff --git a/llvm/test/TableGen/GlobalISelEmitterHwModes.td b/llvm/test/TableGen/GlobalISelEmitterHwModes.td
index 0c826fb50beb5f..b96e9db0134bfe 100644
--- a/llvm/test/TableGen/GlobalISelEmitterHwModes.td
+++ b/llvm/test/TableGen/GlobalISelEmitterHwModes.td
@@ -85,7 +85,7 @@ class I<dag OOps, dag IOps, list<dag> Pat>
 
 // CHECK-LABEL: PredicateBitset MyTargetInstructionSelector::
 // CHECK-NEXT:  computeAvailableModuleFeatures(const MyTargetSubtarget *Subtarget) const {
-// CHECK-NEXT:    PredicateBitset Features;
+// CHECK-NEXT:    PredicateBitset Features{};
 // CHECK-NEXT:    if (!((Subtarget->has64())))
 // CHECK-NEXT:      Features.set(Feature_HwMode1Bit);
 // CHECK-NEXT:    if ((Subtarget->has64()))
@@ -95,7 +95,7 @@ class I<dag OOps, dag IOps, list<dag> Pat>
 
 // CHECK-LABEL: PredicateBitset MyTargetInstructionSelector::
 // CHECK-NEXT:  computeAvailableFunctionFeatures(const MyTargetSubtarget *Subtarget, const MachineFunction *MF) const {
-// CHECK-NEXT:    PredicateBitset Features;
+// CHECK-NEXT:    PredicateBitset Features{};
 // CHECK-NEXT:    return Features;
 // CHECK-NEXT:  }
 
diff --git a/llvm/utils/TableGen/Common/SubtargetFeatureInfo.cpp b/llvm/utils/TableGen/Common/SubtargetFeatureInfo.cpp
index 819abfa965a58c..4f57234d6fe275 100644
--- a/llvm/utils/TableGen/Common/SubtargetFeatureInfo.cpp
+++ b/llvm/utils/TableGen/Common/SubtargetFeatureInfo.cpp
@@ -108,7 +108,7 @@ void SubtargetFeatureInfo::emitComputeAvailableFeatures(
   if (!ExtraParams.empty())
     OS << ", " << ExtraParams;
   OS << ") const {\n";
-  OS << "  PredicateBitset Features;\n";
+  OS << "  PredicateBitset Features{};\n";
   for (const auto &SF : SubtargetFeatures) {
     const SubtargetFeatureInfo &SFI = SF.second;
     StringRef CondStr = SFI.TheDef->getValueAsString("CondString");