More direct-SPIRV fixes. (#3257)

* More direct-SPIRV fixes.

* Fix array-reg-to-mem.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/tests/spirv/mutating-method-syn.slang b/tests/spirv/mutating-method-syn.slang
new file mode 100644
index 000000000..14adc001f
--- /dev/null
+++ b/tests/spirv/mutating-method-syn.slang
@@ -0,0 +1,38 @@
+// mutating-method-syn.slang
+//TEST(compute, vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK):-vk -compute
+// Test ability to directly output SPIR-V
+
+interface IFoo
+{
+    [mutating]
+    int bar(inout int y);
+}
+
+struct Val : IFoo
+{
+    int x;
+
+    int bar(int y)
+    {
+        return x + y;
+    }
+}
+
+int test<T:IFoo>(inout T f, inout int y)
+{
+    return f.bar(y);
+}
+
+//TEST_INPUT:set result = out ubuffer(data=[0 0 0 0], stride=4)
+
+RWStructuredBuffer<int> result;
+[numthreads(1,1,1)]
+void computeMain()
+{    
+    Val v;
+    int y = 0;
+    v.x = 1;
+    
+    // CHECK: 1
+    result[0] = test(v, y);
+}