2 files changed, 36 insertions, 0 deletions
diff --git a/tests/bugs/gh-775.slang b/tests/bugs/gh-775.slang
new file mode 100644
index 000000000..f8125d7d4
--- /dev/null
+++ b/tests/bugs/gh-775.slang
@@ -0,0 +1,32 @@
+// gh-775.slang
+//TEST(compute):COMPARE_COMPUTE:
+
+int test(int inVal)
+{
+    float4x4 identity = {
+        1, 0, 0, 0,
+        0, 1, 0, 0,
+        0, 0, 1, 0,
+        0, 0, 0, 1
+    };
+
+    float4 v = float4(inVal, inVal+1, inVal+2, inVal+3);
+
+    v = mul(identity, v);
+
+    return int(dot(v, float4(1, 16, 256, 4096)));
+}
+
+//TEST_INPUT:ubuffer(data=[9 9 9 9], stride=4):dxbinding(0),glbinding(0),out
+RWStructuredBuffer<int> outputBuffer : register(u0);
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+	uint tid = dispatchThreadID.x;
+
+	int inVal = int(tid);
+	int outVal = test(inVal);
+
+	outputBuffer[tid] = outVal;
+}
+\ No newline at end of file
diff --git a/tests/bugs/gh-775.slang.expected.txt b/tests/bugs/gh-775.slang.expected.txt
new file mode 100644
index 000000000..611a87ad6
--- /dev/null
+++ b/tests/bugs/gh-775.slang.expected.txt
@@ -0,0 +1,4 @@
+3210
+4321
+5432
+6543