[clang] [llvm] [HLSL][SPIR-V] Implement vk::location for inputs (PR #169479)

[Nathan Gauër via llvm-commits]

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@@ -240,6 +241,8 @@ class SemaHLSL : public SemaBase {
     HLSLParsedSemanticAttr *Semantic;
     std::optional<uint32_t> Index;
   };
+  std::optional<bool> InputUsesExplicitVkLocations = std::nullopt;
+  std::optional<bool> OutputUsesExplicitVkLocations = std::nullopt;
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Keenuts wrote:

Moved this state into a shared struct. Also removed the `IsInput` boolean, using the IOType mask I added previously instead, which is better IMO.

https://github.com/llvm/llvm-project/pull/169479