[llvm] [DirectX] Propagate shader flags mask of callees to callers (PR #118306)

[S. Bharadwaj Yadavalli via llvm-commits]

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@@ -47,10 +48,14 @@ static void updateFunctionFlags(ComputedShaderFlags &CSF,
 }
 
 void ModuleShaderFlags::initialize(const Module &M) {
+  SmallVector<const Function *> WorkList;
   // Collect shader flags for each of the functions
   for (const auto &F : M.getFunctionList()) {
     if (F.isDeclaration())
       continue;
+    if (!F.user_empty()) {
+      WorkList.push_back(&F);
+    }
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bharadwajy wrote:

Changed per suggested LLVM coding style.

https://github.com/llvm/llvm-project/pull/118306