[llvm] [DXIL][Analysis] Add validator version to info collected by Module Metadata Analysis (PR #104828)

[Xiang Li via llvm-commits]

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@@ -25,6 +25,14 @@ static ModuleMetadataInfo collectMetadataInfo(Module &M) {
   MMDAI.DXILVersion = TT.getDXILVersion();
   MMDAI.ShaderModelVersion = TT.getOSVersion();
   MMDAI.ShaderStage = TT.getEnvironment();
+  NamedMDNode *ValidatorVerNode = M.getNamedMetadata("dx.valver");
+  if (ValidatorVerNode) {
+    auto *ValVerMD = cast<MDNode>(ValidatorVerNode->getOperand(0));
+    auto *MajorMD = mdconst::extract<ConstantInt>(ValVerMD->getOperand(0));
+    auto *MinorMD = mdconst::extract<ConstantInt>(ValVerMD->getOperand(1));
+    MMDAI.ValidatorVersion =
+        VersionTuple(MajorMD->getZExtValue(), MinorMD->getZExtValue());
+  }
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python3kgae wrote:

Shall we report error when `dx.valver` not exist?

https://github.com/llvm/llvm-project/pull/104828