Fix for unscoped enums circular reference causing an error, #3959 (#3962)

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/language-feature/enums/unscoped-enum-explicit-type.slang b/tests/language-feature/enums/unscoped-enum-explicit-type.slang
new file mode 100644
index 000000000..aefbf8449
--- /dev/null
+++ b/tests/language-feature/enums/unscoped-enum-explicit-type.slang
@@ -0,0 +1,32 @@
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -shaderobj
+
+//TEST_INPUT:ubuffer(data=[0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<uint32_t> outputBuffer;
+
+[UnscopedEnum]
+enum unscopedEnum : uint32_t
+{
+    kEnumVal1 = 5,
+    kEnumVal2 = 6,
+};
+
+struct structWithEnumVal
+{
+    unscopedEnum val;
+};
+
+void takeInToWriteFruit(unscopedEnum inData, structWithEnumVal inData2)
+{
+    outputBuffer[0] = inData;
+    outputBuffer[1] = inData2.val;
+}
+
+[numthreads(1,1,1)]
+void computeMain()
+{
+    // CHECK: 5
+    // CHECK: 6
+    structWithEnumVal enumVal;
+    enumVal.val = kEnumVal2;
+    takeInToWriteFruit(kEnumVal1, enumVal);
+}
\ No newline at end of file