1 files changed, 16 insertions, 0 deletions
diff --git a/tests/bugs/gh-6525.slang b/tests/bugs/gh-6525.slang
new file mode 100644
index 000000000..fe57b601c
--- /dev/null
+++ b/tests/bugs/gh-6525.slang
@@ -0,0 +1,16 @@
+//TEST:SIMPLE(filecheck=CHECK): -target spirv
+
+//CHECK: OpEntryPoint
+
+// SV_VertexID is a int in the system binding semantic.
+// However, declare it as uint should also work with
+// the typeAdapter mechanism in Slang compiler.
+in uint gl_VertexIndex : SV_VertexID;
+
+static const float2 uvs[] = { float2(0.0, 0.0), float2(0.0, 2.0), float2(2.0, 0.0) };
+
+[shader("vertex")]
+float4 vert_main() : SV_Position{
+    const float2 uv = uvs[gl_VertexIndex];
+    return float4((uv * 2.0 - 1.0), 0.0, 1.0);
+}
+\ No newline at end of file