[llvm-branch-commits] [clang] [llvm] [HLSL][DirectX] Add support for `rootsig` as a target environment (PR #156373)

[Justin Bogner via llvm-branch-commits]

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@@ -1296,6 +1296,9 @@ class InjectRootSignatureCallback : public PPCallbacks {
 
 void HLSLFrontendAction::ExecuteAction() {
   // Pre-requisites to invoke
+  if (getCurrentFileKind().getLanguage() != Language::HLSL)
+    return WrapperFrontendAction::ExecuteAction();
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bogner wrote:

How can we get here? I don't really understand what the added language check here is doing.

https://github.com/llvm/llvm-project/pull/156373