[llvm-branch-commits] [clang] [HLSL] Define the HLSLRootSignature Attr (PR #123985)

[Helena Kotas via llvm-branch-commits]

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@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-library -ast-dump \
+// RUN:  -disable-llvm-passes -o - %s | FileCheck %s
+
+// This test ensures that the sample root signature is parsed without error and
+// the Attr AST Node is created succesfully. If an invalid root signature was
+// passed in then we would exit out of Sema before the Attr is created.
+
+#define SampleRS \
+  "DescriptorTable( " \
+  "  CBV(b1), " \
+  "  SRV(t1, numDescriptors = 8, " \
+  "          flags = DESCRIPTORS_VOLATILE), " \
+  "  UAV(u1, numDescriptors = 0, " \
+  "          flags = DESCRIPTORS_VOLATILE) " \
+  "), " \
+  "DescriptorTable(Sampler(s0, numDescriptors = 4, space = 1))"
+
+// CHECK:      HLSLRootSignatureAttr 0x{{[0-9A-Fa-f]+}} <line:{{[0-9]+}}:{{[0-9]+}}, col:{{[0-9]+}}>
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hekota wrote:

```suggestion
// CHECK:      HLSLRootSignatureAttr
```

https://github.com/llvm/llvm-project/pull/123985