adding missing test

Author: joaosaffran

llvm/test/CodeGen/DirectX/ContainerData/RootSignature-Invalid-Version.ll

@@ -0,0 +1,20 @@
+; RUN: not opt -passes='print<dxil-root-signature>' %s -S -o - 2>&1 | FileCheck %s
+
+target triple = "dxil-unknown-shadermodel6.0-compute"
+
+
+; CHECK: error: Invalid value for Version: 4
+; CHECK-NOT: Root Signature Definitions
+define void @main() #0 {
+entry:
+  ret void
+}
+attributes #0 = { "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" }
+
+
+!dx.rootsignatures = !{!2, !3, !4, !5} ; list of function/root signature pairs
+!2 = !{ ptr @main, !6, i32 1 } ; function, root signature
+!3 = !{ ptr @main, !6, i32 4 } ; function, root signature
+!4 = !{ ptr @main, !6, i32 2 } ; function, root signature
+!5 = !{ ptr @main, !6, i32 3 } ; function, root signature
+!6 = !{ } ; list of root signature elements