[clang] [llvm] [DXIL] Remove incompatible metadata types when preparing DXIL. (PR #136386)

[Justin Bogner via cfe-commits]

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@@ -161,6 +161,15 @@ class DXILPrepareModule : public ModulePass {
                          Builder.getPtrTy(PtrTy->getAddressSpace())));
   }
 
+  static llvm::SmallVector<unsigned> getCompatibleInstructionMDs(Module &M) {
+    llvm::SmallVector<unsigned, 16> ret = {
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bogner wrote:

Better to return a `std::array` - the size is a compile time constant, so SmallVector is a bit inefficient here.

https://github.com/llvm/llvm-project/pull/136386