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//TEST:SIMPLE(filecheck=CHECK): -target spirv
// Check that we don't emit duplicate Flat decorations for the same variable.
// CHECK: OpDecorate %vo_a Flat
// CHECK-NOT: OpDecorate %vo_a Flat
struct VertexOutput
{
nointerpolation int a : SOME_VALUE;
float4 b : SV_Position;
};
[shader("vertex")]
VertexOutput Vertex()
{
VertexOutput out;
out.a = 0;
out.b = float4(0, 0, 0, 1);
return out;
}
[shader("fragment")]
float4 Fragment(in VertexOutput vo)
{
return float4(float(vo.a), 0, 0, 1);
}
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