[llvm] [DirectX] Adding support for Root Descriptors in obj2yaml/yaml2obj (PR #137259)

[Damyan Pepper via llvm-commits]

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@@ -580,7 +585,28 @@ struct ProgramSignatureElement {
 
 static_assert(sizeof(ProgramSignatureElement) == 32,
               "ProgramSignatureElement is misaligned");
+namespace RST0 {
+namespace v0 {
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damyanp wrote:

So the v0 namespace corresponds to Version 1, and the v1 namespace is Version 2?

Any reason not to use the same numbering scheme for the versions?

https://github.com/llvm/llvm-project/pull/137259