[llvm] [HLSL] Add descriptor table metadata parsing (PR #142492)

[Finn Plummer via llvm-commits]

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@@ -164,9 +167,11 @@ enum class RootDescriptorFlag : uint32_t {
 #include "DXContainerConstants.def"
 };
 
-#define DESCRIPTOR_RANGE_FLAG(Num, Val) Val = 1ull << Num,
+#define DESCRIPTOR_RANGE_FLAG(Num, Val) Val = Num,
 enum class DescriptorRangeFlag : uint32_t {
 #include "DXContainerConstants.def"
+
+  LLVM_MARK_AS_BITMASK_ENUM(DESCRIPTORS_STATIC_KEEPING_BUFFER_BOUNDS_CHECKS)
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inbelic wrote:

review note: the value used in the macro is required to be the highest value

https://github.com/llvm/llvm-project/pull/142492