Tests: Trigger more texture tests, and hopefully see build failure go away.

Test/baseLegalResults/hlsl.flattenOpaqueInit.vert.out

@@ -2,12 +2,12 @@ hlsl.flattenOpaqueInit.vert
 WARNING: AST will form illegal SPIR-V; need to transform to legalize
 // Module Version 10000
 // Generated by (magic number): 80002
-// Id's are bound by 125
+// Id's are bound by 176
 
                               Capability Shader
                1:             ExtInstImport  "GLSL.std.450"
                               MemoryModel Logical GLSL450
-                              EntryPoint Vertex 4  "main" 82
+                              EntryPoint Vertex 4  "main" 99
                               Source HLSL 500
                               Name 4  "main"
                               Name 17  "FxaaTex"
@@ -15,10 +15,10 @@ WARNING: AST will form illegal SPIR-V; need to transform to legalize
                               MemberName 17(FxaaTex) 1  "tex"
                               Name 38  "g_tInputTexture_sampler"
                               Name 42  "g_tInputTexture"
-                              Name 82  "@entryPointOutput"
+                              Name 99  "@entryPointOutput"
                               Decorate 38(g_tInputTexture_sampler) DescriptorSet 0
                               Decorate 42(g_tInputTexture) DescriptorSet 0
-                              Decorate 82(@entryPointOutput) Location 0
+                              Decorate 99(@entryPointOutput) Location 0
                2:             TypeVoid
                3:             TypeFunction 2
                6:             TypeSampler
@@ -36,14 +36,23 @@ WARNING: AST will form illegal SPIR-V; need to transform to legalize
 38(g_tInputTexture_sampler):     37(ptr) Variable UniformConstant
               41:             TypePointer UniformConstant 9
 42(g_tInputTexture):     41(ptr) Variable UniformConstant
-              81:             TypePointer Output 11(fvec4)
-82(@entryPointOutput):     81(ptr) Variable Output
+              98:             TypePointer Output 11(fvec4)
+99(@entryPointOutput):     98(ptr) Variable Output
+             175: 17(FxaaTex) Undef
          4(main):           2 Function None 3
                5:             Label
-              96:           6 Load 38(g_tInputTexture_sampler)
-              97:           9 Load 42(g_tInputTexture)
-             123:          26 SampledImage 97 96
-             124:   11(fvec4) ImageSampleExplicitLod 123 31 Lod 32
-                              Store 82(@entryPointOutput) 124
+             117:           6 Load 38(g_tInputTexture_sampler)
+             118:           9 Load 42(g_tInputTexture)
+             148:          26 SampledImage 118 117
+             149:   11(fvec4) ImageSampleExplicitLod 148 31 Lod 32
+             172:           6 CompositeExtract 175 0
+             174:           9 CompositeExtract 175 1
+             160:          26 SampledImage 174 172
+             161:   11(fvec4) ImageSampleExplicitLod 160 31 Lod 32
+             136:   11(fvec4) FAdd 149 161
+             165:          26 SampledImage 118 117
+             166:   11(fvec4) ImageSampleExplicitLod 165 31 Lod 32
+             143:   11(fvec4) FAdd 136 166
+                              Store 99(@entryPointOutput) 143
                               Return
                               FunctionEnd

Test/hlsl.flattenOpaqueInit.vert

@@ -17,7 +17,10 @@ FxaaTex fillOpaque()
 float4 main() : SV_TARGET0
 {
     FxaaTex tex1 = { g_tInputTexture_sampler, g_tInputTexture };
+    float4 res = lookUp(tex1);
     FxaaTex tex2 = fillOpaque();
+    res += lookUp(tex2);
     FxaaTex tex3 = tex1;
-    return lookUp(tex3);
+    res += lookUp(tex3);
+    return res;
 }