[clang] [llvm] [DirectX] Updating Root Signature YAML representation to use Enums instead of uint (PR #154827)

[via llvm-commits]

================
@@ -162,20 +164,50 @@ DXContainerYAML::RootSignatureYamlDesc::create(
   }
 
   for (const auto &S : Data.samplers()) {
+    if (!dxbc::isValidSamplerFilter(S.Filter))
+      return createStringError(std::errc::invalid_argument,
+                               "Invalid value for static sampler filter");
+
+    if (!dxbc::isValidAddress(S.AddressU))
+      return createStringError(std::errc::invalid_argument,
+                               "Invalid value for static sampler AddressU");
+
+    if (!dxbc::isValidAddress(S.AddressV))
+      return createStringError(std::errc::invalid_argument,
+                               "Invalid value for static sampler AddressV");
+
+    if (!dxbc::isValidAddress(S.AddressW))
+      return createStringError(std::errc::invalid_argument,
+                               "Invalid value for static sampler AddressW");
+
+    if (!dxbc::isValidComparisonFunc(S.ComparisonFunc))
+      return createStringError(
+          std::errc::invalid_argument,
+          "Invalid value for static sampler ComparisonFunc");
+
+    if (!dxbc::isValidBorderColor(S.BorderColor))
+      return createStringError(std::errc::invalid_argument,
+                               "Invalid value for static sampler BorderColor");
+
+    if (!dxbc::isValidShaderVisibility(S.ShaderVisibility))
+      return createStringError(
+          std::errc::invalid_argument,
+          "Invalid value for static sampler ShaderVisibility");
+
     StaticSamplerYamlDesc NewS;
-    NewS.Filter = S.Filter;
-    NewS.AddressU = S.AddressU;
-    NewS.AddressV = S.AddressV;
-    NewS.AddressW = S.AddressW;
+    NewS.Filter = dxbc::SamplerFilter(S.Filter);
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joaosaffran wrote:

Those castings are required here. They are coming from the binary representation, so they are actually `uint32_t`, the casting are moving the data into the internal representations, which use the enums. 

https://github.com/llvm/llvm-project/pull/154827