Literal folding on other operators (#1314)

* Fold prefix operators if they prefix an int literal.

* Make test case a bit more convoluted.

* Remove ++ and -- as not appropriate for folding of literals.

* Set output buffer name.

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/compute/static-const-vector-array.slang b/tests/compute/static-const-vector-array.slang
new file mode 100644
index 000000000..4d9234a70
--- /dev/null
+++ b/tests/compute/static-const-vector-array.slang
@@ -0,0 +1,33 @@
+// static-const-array.slang
+
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -output-using-type
+//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -output-using-type
+//TEST(compute):COMPARE_COMPUTE_EX:-cpu -slang -compute -output-using-type
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0  0 0 0 0], stride=4):out, name outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+static const float3 kArray[8] =
+{
+    float3(-0.4706069, -0.4427112, - - + 0.6461146),
+    float3(-0.9057375, +0.3003471, +0.9542373),
+    float3(-0.3487388, +0.4037880, +0.5335386),
+    float3(+0.1023042, +0.6439373, +0.6520134),
+    float3(+0.5699277, +0.3513750, +0.6695386),
+    float3(+0.2939128, -0.1131226, +0.3149309),
+    float3(+0.7836658, -0.4208784, +0.8895339),
+    float3(+0.1564120, -0.8198990, +0.8346850)
+};
+
+float test(int val)
+{
+	return kArray[val].x + kArray[val].y + kArray[val].z;
+}
+
+[numthreads(8, 1, 1)]
+void computeMain(uint3 tid : SV_DispatchThreadID)
+{
+	int inVal = tid.x;
+	float outVal = test(inVal);
+	outputBuffer[inVal] = outVal;
+}
\ No newline at end of file