Emit pointers for CPU target. (#1418)

Co-authored-by: Yong He <yhe@nvidia.com>

2 files changed, 75 insertions, 0 deletions

diff --git a/tests/compute/pointer-emit.slang b/tests/compute/pointer-emit.slang
new file mode 100644
index 000000000..1c31103ae
--- /dev/null
+++ b/tests/compute/pointer-emit.slang
@@ -0,0 +1,71 @@
+//TEST(compute):COMPARE_COMPUTE:-cpu
+// Test emitting logic of pointer types.
+
+
+struct Something
+{
+	int4 field0;
+	int field1;
+};
+
+struct ArrayType
+{
+	Something data[2];
+};
+
+ArrayType getArray()
+{
+	ArrayType rs;
+	rs.data[0].field0 = int4(1,2,3,4);
+	rs.data[0].field1 = 1;
+	rs.data[1].field0 = int4(2,3,4,5);
+	rs.data[1].field1 = 2;
+	return rs;
+}
+
+int inoutFunc(in out int param, 
+			  int[2] arrayParam,
+			  out int[2] arrayOut,
+			  Something s0,
+			  out Something s1)
+{
+    int v = 1;
+    param = v + 1;
+
+	arrayOut[0] = arrayParam[0];
+	arrayOut[1] = arrayParam[1];
+
+	s1.field1 = s0.field1 + 1;
+
+    return param;
+}
+
+static int globalVar = 1;
+
+int test(int inVal)
+{
+    int p = inVal;
+	int t1[2] = {1, 2};
+	int t2[2] = {0, 0};
+	Something s, s_out;
+	s.field1 = -1;
+	s.field1 = s.field1 - 1;
+	s.field0[0] = 1;
+	int4 localVector = int4(1,2,3,4);
+	localVector.x = 2;
+	var array = getArray();
+	return inoutFunc(p, t1, t2, s, s_out) + t2[0] + s_out.field1 +
+		s.field0[0] + localVector.x + array.data[1].field1 + globalVar;
+}
+
+//TEST_INPUT:ubuffer(data=[0 1 2 3], stride=4):out,name=outputBuffer
+RWStructuredBuffer<int> outputBuffer : register(u0);
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+	uint tid = dispatchThreadID.x;
+	int inVal = outputBuffer[tid];
+	int outVal = test(inVal);
+	outputBuffer[tid] = outVal;
+}
diff --git a/tests/compute/pointer-emit.slang.expected.txt b/tests/compute/pointer-emit.slang.expected.txt
new file mode 100644
index 000000000..e9eee2456
--- /dev/null
+++ b/tests/compute/pointer-emit.slang.expected.txt
@@ -0,0 +1,4 @@
+8
+8
+8
+8