1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/DirectX/rootsignature-validation-fail-cbv-binding.ll b/llvm/test/CodeGen/DirectX/rootsignature-validation-fail-cbv-binding.ll
new file mode 100644
index 000000000000..de8552531ae3
--- /dev/null
+++ b/llvm/test/CodeGen/DirectX/rootsignature-validation-fail-cbv-binding.ll
@@ -0,0 +1,18 @@
+; RUN: not opt -S -passes='dxil-post-optimization-validation' -mtriple=dxil-pc-shadermodel6.6-compute %s 2>&1 | FileCheck %s
+; CHECK: error: CBV register 2 in space 666 does not have a binding in the Root Signature
+
+%__cblayout_CB = type <{ float }>
+
+@CB.str = private unnamed_addr constant [3 x i8] c"CB\00", align 1
+
+define void @CSMain() "hlsl.shader"="compute" {
+entry:
+  %CB = tail call target("dx.CBuffer", target("dx.Layout", %__cblayout_CB, 4, 0)) @llvm.dx.resource.handlefrombinding(i32 666, i32 2, i32 1, i32 0, ptr nonnull @CB.str)
+  ret void
+}
+
+!dx.rootsignatures = !{!0}
+
+!0 = !{ptr @CSMain, !1, i32 2}
+!1 = !{!2}
+!2 = !{!"RootConstants", i32 0, i32 2, i32 0, i32 4}