2 files changed, 51 insertions, 0 deletions
diff --git a/tests/language-feature/enums/enum-tag-type-compare.slang b/tests/language-feature/enums/enum-tag-type-compare.slang
new file mode 100644
index 000000000..ce88860ee
--- /dev/null
+++ b/tests/language-feature/enums/enum-tag-type-compare.slang
@@ -0,0 +1,47 @@
+// enum-tag-type-compare.slang
+
+// Test comparisons for `enum`s with explicit tag types
+
+//TEST(compute):COMPARE_COMPUTE:
+
+enum class MaterialType : uint32_t
+{
+    A,
+    B,
+    C,
+    D,
+}
+
+struct Material
+{
+    MaterialType getType() { return MaterialType(_type); }
+
+    uint _type;
+}
+
+uint test(uint val)
+{
+    Material m = { val };
+
+    MaterialType b = MaterialType.B;
+
+    int result = 0x100000;
+    if(m.getType() == b) result += 0x10;
+    if(m.getType() != b) result += 0x100;
+    if((uint)m.getType() == (uint)b) result += 0x1000;
+    if((uint)m.getType() != (uint)b) result += 0x10000;
+
+    return result;
+}
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<uint> outputBuffer;
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    uint tid = dispatchThreadID.x;
+    uint inVal = tid;
+    uint outVal = test(inVal);
+    outputBuffer[tid] = outVal;
+}
diff --git a/tests/language-feature/enums/enum-tag-type-compare.slang.expected.txt b/tests/language-feature/enums/enum-tag-type-compare.slang.expected.txt
new file mode 100644
index 000000000..2d91bbbdd
--- /dev/null
+++ b/tests/language-feature/enums/enum-tag-type-compare.slang.expected.txt
@@ -0,0 +1,4 @@
+110100
+101010
+110100
+110100