[llvm] [DirectX] Add Range Overlap validation (PR #152229)

[via llvm-commits]

================
@@ -99,6 +100,8 @@ enum class SamplerFeedbackType : uint32_t {
 const unsigned MinWaveSize = 4;
 const unsigned MaxWaveSize = 128;
 
+StringRef getResourceClassName(ResourceClass RC);
----------------
joaosaffran wrote:

The circular dependency shouldn't be an issue, since we use the `#ifndef` in all files. 

I will fix this, but in a follow-up PR, since this change is already out of scope for this patch.

https://github.com/llvm/llvm-project/pull/152229