[clang] [llvm] [HLSL][SPIR-V] Implement vk::push_constant (PR #166793)

[Steven Perron via cfe-commits]

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@@ -3846,6 +3851,7 @@ static bool IsDefaultBufferConstantDecl(VarDecl *VD) {
          QT.getAddressSpace() == LangAS::Default &&
          VD->getStorageClass() != SC_Static &&
          !VD->hasAttr<HLSLVkConstantIdAttr>() &&
+         !VD->hasAttr<HLSLVkPushConstantAttr>() &&
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s-perron wrote:

I think this is where we should be ignoring the `vk::push_constant` attribuute if we are not targeting spir-v.

We might need to fix up the `vk:constant_id` attribute as well, but that is not your problem.

https://github.com/llvm/llvm-project/pull/166793