[CodeGen] Use setNoVRegs. NFC. (#148831)

Author: jayfoad

llvm/include/llvm/CodeGen/PostRAMachineSink.h

@@ -20,8 +20,7 @@ class PostRAMachineSinkingPass
                         MachineFunctionAnalysisManager &MFAM);
 
   MachineFunctionProperties getRequiredProperties() const {
-    return MachineFunctionProperties().set(
-        MachineFunctionProperties::Property::NoVRegs);
+    return MachineFunctionProperties().setNoVRegs();
   }
 };
 

llvm/include/llvm/CodeGen/VirtRegMap.h

@@ -253,10 +253,8 @@ class VirtRegRewriterPass : public PassInfoMixin<VirtRegRewriterPass> {
                               function_ref<StringRef(StringRef)>) const;
 
   MachineFunctionProperties getSetProperties() const {
-    if (ClearVirtRegs) {
-      return MachineFunctionProperties().set(
-          MachineFunctionProperties::Property::NoVRegs);
-    }
+    if (ClearVirtRegs)
+      return MachineFunctionProperties().setNoVRegs();
     return {};
   }
 };

llvm/lib/CodeGen/MachineSink.cpp

@@ -2102,8 +2102,7 @@ class PostRAMachineSinkingLegacy : public MachineFunctionPass {
   }
 
   MachineFunctionProperties getRequiredProperties() const override {
-    return MachineFunctionProperties().set(
-        MachineFunctionProperties::Property::NoVRegs);
+    return MachineFunctionProperties().setNoVRegs();
   }
 };