address comments

Author: joaosaffran

llvm/include/llvm/BinaryFormat/DXContainerConstants.def

@@ -100,6 +100,7 @@ DESCRIPTOR_RANGE_FLAG(16, DESCRIPTORS_STATIC_KEEPING_BUFFER_BOUNDS_CHECKS)
 
 // DESCRIPTOR_RANGE(value, name).
 #ifdef DESCRIPTOR_RANGE
+
 DESCRIPTOR_RANGE(4, ERROR)
 DESCRIPTOR_RANGE(0, SRV)
 DESCRIPTOR_RANGE(1, UAV)

llvm/lib/Target/DirectX/DXILRootSignature.cpp

@@ -347,7 +347,7 @@ static bool isFlagSet(uint32_t Flags, FlagTypes... FlagsToCheck) {
 
 static bool verifyDescriptorRangeFlag(uint32_t Version, uint32_t Type,
                                       uint32_t Flags) {
-  bool IsSampler =
+  const bool IsSampler =
       (Type == llvm::to_underlying(dxbc::DescriptorRangeType::Sampler));
 
   if (Version == 1) {