glslang SPV tests: Add a set of SPV tests.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31212 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/spv.310.comp

@@ -0,0 +1,37 @@
+#version 310 es
+
+precision highp float;
+
+layout (local_size_x = 16, local_size_y = 32, local_size_z = 4) in;
+
+shared float s;
+shared int i;
+
+buffer outb {
+    float f;
+    float g;
+    float h;
+    vec3 uns[];  // this makes it look like the "second" set of 3 floats in a struct, which LLVM
+                 // takes advantage of when optimizing, giving confusing results, like thinking
+                 // &outbname.uns[18].x == &outbname[9].uns.x
+} outbname;
+
+buffer outbna {
+    int k;
+    vec4 na;
+} outbnamena;
+
+buffer outs {
+    vec4 va[];
+} outnames;
+
+void main()
+{
+    barrier();
+    outbname.f = s;
+    outbnamena.na = vec4(s);
+    s = outbname.uns[18].x;           // TODO: see note above
+    //outbname.uns[17] = vec3(3.0);   // TODO: see note above, this one bitcasts, which isn't handled
+    outbname.uns[i] = vec3(s);
+    outnames.va[gl_LocalInvocationID.x] = vec4(s);
+}