[llvm] [DirectX] Add DXIL_MODULE_FLAG for ShaderFlags. (PR #83217)

[Chris B via llvm-commits]

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@@ -28,7 +28,7 @@ using namespace llvm::dxil;
 namespace {
 class DXContainerGlobals : public llvm::ModulePass {
 
-  GlobalVariable *getShaderFlags(Module &M);
+  GlobalVariable *getShaderFeatureInfo(Module &M);
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llvm-beanz wrote:

"feature info" doesn't mean anything to me when I read the code. The GlobalVaraible returned here, and the `uint64_t` returned in other places they aren't a "feature info". They are "feature flags".

https://github.com/llvm/llvm-project/pull/83217