[clang] [HLSL] Split out resource class data from resource attribute (PR #98419)

[Justin Bogner via cfe-commits]

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@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -o - %s -verify
+
+// expected-error at +1{{'resource_class' attribute takes one argument}}
+struct [[hlsl::resource_class()]] Eg1 {
+  int i;  
+};
+
+Eg1 e1;
+
+// expected-error at +1{{invalid resource class 'gibberish' used; expected 'SRV', 'UAV', 'CBuffer', or 'Sampler'}}
+struct [[hlsl::resource_class(gibberish)]] Eg2 {
+  int i;  
+};
+
+Eg2 e2;
+
+RWBuffer<int> In : register(u1);
+
+
+[numthreads(1,1,1)]
+void main() {
+  In[0] = e1.i + e2.i;
+}
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bogner wrote:

We shouldn't need to have uses of everything for these tests - you can reduce this to just the definitions with annotations.

https://github.com/llvm/llvm-project/pull/98419