From 812e478989e27983b8dea7ab11964de751654ba2 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 4 Jun 2025 13:05:58 -0700
Subject: Make interface types non c-style in Slang2026. (#7260)

* Make interface types non c-style.

* Make Optional<T> work with autodiff and existential types.

* Fix.

* patch behind slang 2026.

* Fix warnings.

* cleanup.

* Fix tests.

* Fix.

* Fix com interface lowering.

* Add comment to test.

* regenerate command line reference

* Add test for passing `none` to autodiff function.

* Fix recording of `getDynamicObjectRTTIBytes`.

* Fix nested Optional types.

---------

Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
---
 .../interfaces/zero-init-interface.slang           | 33 ----------------------
 1 file changed, 33 deletions(-)
 delete mode 100644 tests/language-feature/interfaces/zero-init-interface.slang

(limited to 'tests/language-feature/interfaces/zero-init-interface.slang')

diff --git a/tests/language-feature/interfaces/zero-init-interface.slang b/tests/language-feature/interfaces/zero-init-interface.slang
deleted file mode 100644
index ed3b1eaa4..000000000
--- a/tests/language-feature/interfaces/zero-init-interface.slang
+++ /dev/null
@@ -1,33 +0,0 @@
-// Test that we can zero-init a struct with interface typed member.
-
-//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=BUFFER): -shaderobj
-//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=BUFFER): -vk -shaderobj
-
-//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
-RWStructuredBuffer<int> outputBuffer;
-
-interface IFoo
-{
-    int method();
-}
-
-//TEST_INPUT: type_conformance Impl1:IFoo = 0
-struct Impl1 : IFoo
-{
-    int data;
-    int method() { return data + 1; }
-}
-
-struct MyType
-{
-    IFoo foo;
-}
-
-
-[numthreads(1, 1, 1)]
-void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID)
-{
-    MyType t = {};
-    // BUFFER: 1
-    outputBuffer[0] = t.foo.method();
-}
-- 
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