[tools]: Generate intrinisic test cases

Add test/intrinsics/intrinsics.wgsl.tmpl that generates a vast set of intrinsic overload permutations into test/intrinsics/gen/...

Add expected output for all of these, including 'SKIP' headers for those that currently fail.

Fixed: tint:832
Change-Id: Id6888df52c07f35e7a55199f2ad4d842c6e2595c
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53051
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: David Neto <dneto@google.com>
diff --git a/test/intrinsics/gen/textureStore/1c02e7.wgsl.expected.hlsl b/test/intrinsics/gen/textureStore/1c02e7.wgsl.expected.hlsl
new file mode 100644
index 0000000..dbbaade
--- /dev/null
+++ b/test/intrinsics/gen/textureStore/1c02e7.wgsl.expected.hlsl
@@ -0,0 +1,42 @@
+SKIP: FAILED
+
+
+
+Validation Failure:
+RWTexture2DArray<int4> arg_0 : register(u0, space1);
+
+void textureStore_1c02e7() {
+  arg_0[int3(1)] = int4(0, 0, 0, 0);
+}
+
+void vertex_main() {
+  textureStore_1c02e7();
+  return;
+}
+
+void fragment_main() {
+  textureStore_1c02e7();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  textureStore_1c02e7();
+  return;
+}
+
+
+tint_9SEdo4:4:14: error: too few elements in vector initialization (expected 3 elements, have 1)
+  arg_0[int3(1)] = int4(0, 0, 0, 0);
+             ^
+
+
+tint_9SEdo4:4:14: error: too few elements in vector initialization (expected 3 elements, have 1)
+  arg_0[int3(1)] = int4(0, 0, 0, 0);
+             ^
+
+
+tint_9SEdo4:4:14: error: too few elements in vector initialization (expected 3 elements, have 1)
+  arg_0[int3(1)] = int4(0, 0, 0, 0);
+             ^
+