add test for asint (#276)

Adds a test for asint testing int, uint, and float types.
Closes #169

Author: spall

test/Feature/HLSLLib/asint.test

@@ -0,0 +1,141 @@
+#--- source.hlsl
+
+StructuredBuffer<int4> In1 : register(t0);
+StructuredBuffer<uint4> In2 : register(t1);
+StructuredBuffer<float4> In3 : register(t2);
+RWStructuredBuffer<int4> Out1 : register(u3);
+RWStructuredBuffer<int4> Out2 : register(u4);
+RWStructuredBuffer<int4> Out3 : register(u5);
+
+[numthreads(1,1,1)]
+void main() {
+  // int
+  Out1[0] = asint(int4(-1, 2, 0, 2147483647));
+  Out1[1] = asint(In1[0]);
+  int4 Tmp = {asint(In1[0].xyz), asint(In1[0].w)};
+  Out1[2] = Tmp;
+  Out1[3].xy = asint(In1[0].xy);
+
+  // uint
+  Out2[0] = asint(uint4(2147483648, 0, 0xffffffff, 100));
+  Out2[1] = asint(In2[0]);
+  int4 Tmp2 = {asint(In2[0].xyz), asint(In2[0].w)};
+  Out2[2] = Tmp2;
+  Out2[3].xy = asint(In2[0].xy);
+
+  // float
+  Out3[0] = asint(float4(10, 0, 5.57, 111.111));
+  Out3[1] = asint(In3[0]);
+  int4 Tmp3 = {asint(In3[0].xyz), asint(In3[0].w)};
+  Out3[2] = Tmp3;
+  Out3[3].xy = asint(In3[0].xy);  
+}
+
+//--- pipeline.yaml
+
+---
+Shaders:
+  - Stage: Compute
+    Entry: main
+    DispatchSize: [1, 1, 1]
+Buffers:
+  - Name: In1
+    Format: Int32
+    Stride: 16
+    Data: [-1, 0, -2147483648, 2147483647]
+  - Name: In2
+    Format: UInt32
+    Stride: 16
+    Data: [0xffffffff, 0, 0x80000000, 0x7FFFFFFF]
+   # uint max, 0, 2147483648 , 2147483647 
+  - Name: In3
+    Format: Float32
+    Stride: 16
+    Data: [10, 0.5, 0, 11.125]
+  - Name: Out1
+    Format: Int32
+    Stride: 16
+    ZeroInitSize: 64
+  - Name: ExpectedOut1 # The result we expect
+    Format: Int32
+    Stride: 16
+    Data: [-1, 2, 0, 2147483647, -1, 0, -2147483648, 2147483647, -1, 0, -2147483648, 2147483647, -1, 0, 0, 0, ]
+  - Name: Out2
+    Format: Int32
+    Stride: 16
+    ZeroInitSize: 64
+  - Name: ExpectedOut2 # The result we expect
+    Format: Int32
+    Stride: 16
+    Data: [-2147483648, 0, -1, 100, -1, 0, -2147483648, 2147483647, -1, 0, -2147483648, 2147483647, -1, 0, 0, 0]
+  - Name: Out3
+    Format: Int32
+    Stride: 16
+    ZeroInitSize: 64 
+  - Name: ExpectedOut3 # The result we expect
+    Format: Int32
+    Stride: 16
+    Data: [ 1092616192, 0, 1085422961, 1121859797, 1092616192, 1056964608, 0, 1093795840, 1092616192, 1056964608, 0, 1093795840, 1092616192, 1056964608, 0, 0 ]
+Results:
+  - Result: Test1
+    Rule: BufferExact
+    Actual: Out1
+    Expected: ExpectedOut1
+  - Result: Test2
+    Rule: BufferExact
+    Actual: Out2
+    Expected: ExpectedOut2
+  - Result: Test3
+    Rule: BufferExact
+    Actual: Out3
+    Expected: ExpectedOut3
+DescriptorSets:
+  - Resources:
+    - Name: In1
+      Kind: StructuredBuffer
+      DirectXBinding:
+        Register: 0
+        Space: 0
+      VulkanBinding:
+        Binding: 0
+    - Name: In2
+      Kind: StructuredBuffer
+      DirectXBinding:
+        Register: 1
+        Space: 0
+      VulkanBinding:
+        Binding: 1
+    - Name: In3
+      Kind: StructuredBuffer
+      DirectXBinding:
+        Register: 2
+        Space: 0
+      VulkanBinding:
+        Binding: 2
+    - Name: Out1
+      Kind: RWStructuredBuffer
+      DirectXBinding:
+        Register: 3
+        Space: 0
+      VulkanBinding:
+        Binding: 3
+    - Name: Out2
+      Kind: RWStructuredBuffer
+      DirectXBinding:
+        Register: 4
+        Space: 0
+      VulkanBinding:
+        Binding: 4
+    - Name: Out3
+      Kind: RWStructuredBuffer
+      DirectXBinding:
+        Register: 5
+        Space: 0
+      VulkanBinding:
+        Binding: 5
+...
+#--- end
+
+# RUN: split-file %s %t
+# RUN: %dxc_target -T cs_6_5 -Fo %t.o %t/source.hlsl
+# RUN: %offloader %t/pipeline.yaml %t.o