From ecf85df6eee3da76ef54b14e4ab083f22da89e46 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Sun, 18 Aug 2024 21:57:24 -0700
Subject: Variadic Generics Part 2: IR lowering and specialization. (#4849)

* Variadic Generics Part 2: IR lowering and specialization.

* Update design doc status.

* Update design doc.

* Resolve review comments.
---
 tests/language-feature/generics/tuple.slang | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 tests/language-feature/generics/tuple.slang

(limited to 'tests/language-feature/generics/tuple.slang')

diff --git a/tests/language-feature/generics/tuple.slang b/tests/language-feature/generics/tuple.slang
new file mode 100644
index 000000000..b8c70f872
--- /dev/null
+++ b/tests/language-feature/generics/tuple.slang
@@ -0,0 +1,27 @@
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -shaderobj -output-using-type
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+T writeSingle<T : __BuiltinFloatingPointType>(inout int offset, T value)
+{
+    outputBuffer[offset++] = __realCast<float>(value);
+    return value;
+}
+
+void write<each T : __BuiltinFloatingPointType>(Tuple<T> tuple)
+{
+    int offset = 0;
+    expand writeSingle(offset, each tuple);
+}
+
+[numthreads(1,1,1)]
+void computeMain()
+{
+    // CHECK: 1.0
+    // CHECK: 2.0
+    // CHECK: 3.0
+    // CHECK: 4.0
+    let tuple = Tuple<float, half, float, float>(1.0, 2.0h, 3.0, 4.0);
+    write(tuple);
+}
-- 
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