AnyValue packing/unpacking pass. (#1480)

* AnyValue packing/unpacking pass.

* Add diagnostic for types that does not fit in required AnyValueSize.

* Add expected test result

* Fix warnings.

2 files changed, 35 insertions, 0 deletions

diff --git a/tests/diagnostics/interfaces/anyvalue-size-validation.slang b/tests/diagnostics/interfaces/anyvalue-size-validation.slang
new file mode 100644
index 000000000..b7cd5ba34
--- /dev/null
+++ b/tests/diagnostics/interfaces/anyvalue-size-validation.slang
@@ -0,0 +1,29 @@
+// anyvalue-size-validation.slang
+
+//DIAGNOSTIC_TEST:SIMPLE:-target cpp -stage compute -entry main -allow-dynamic-code
+
+[anyValueSize(8)]
+interface IInterface
+{
+    int doSomething();
+};
+
+struct S : IInterface
+{
+    uint a;
+    uint b;
+    uint c;
+    int doSomething() { return 5; }
+};
+
+T test<T:IInterface>(T s)
+{
+    return s;
+}
+
+[numthreads(4, 1, 1)]
+void main()
+{
+    S s;
+    test(s);
+}
\ No newline at end of file
diff --git a/tests/diagnostics/interfaces/anyvalue-size-validation.slang.expected b/tests/diagnostics/interfaces/anyvalue-size-validation.slang.expected
new file mode 100644
index 000000000..e88b6bd5d
--- /dev/null
+++ b/tests/diagnostics/interfaces/anyvalue-size-validation.slang.expected
@@ -0,0 +1,6 @@
+result code = -1
+standard error = {
+tests/diagnostics/interfaces/anyvalue-size-validation.slang(11): error 41011: type 'S' does not fit in the size required by its conforming interface.
+}
+standard output = {
+}