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//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -shaderobj -output-using-type
//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
// Note: This test won't produce expected result on vulkan.
//DISABLED_TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -vk -shaderobj -output-using-type
// Executable test to check the correctness of return values from the constructors within a
// NonCopyableType struct.
// A constructor from the callsite's point of view is a function that returns the struct type.
// A constructor from the inside the body is treated as a function that modifies `this` and not return.
// In the following test-cases where the constructor either returns an expr or no value,
// such as `return ...` within a condition for early exit or not,
// It automatically gets resolved as
// `return this` if it returns the struct type, else `return`
RWStructuredBuffer<float> outputBuffer;
[__NonCopyableType] struct Impl
{
float x;
__init(float v)
{
if (v > 0)
{
this.x = 2 * v;
return this;
}
else
{
this.x = 3 * v;
return;
}
}
__init(int ival)
{
float val = ival;
Impl v = Impl(val);
return v;
}
__init()
{
float val = 2.0;
return Impl(val);
}
}
[numthreads(1, 1, 1)]
void computeMain(uint id : SV_DispatchThreadID)
{
// CHECK: 4.000000
// CHECK: 2.000000
// CHECK: -3.000000
// CHECK: -6.000000
outputBuffer[id] = Impl().x;
outputBuffer[id + 1] = Impl(1).x;
outputBuffer[id + 2] = Impl(-1).x;
outputBuffer[id + 3] = Impl(-2.0).x;
}
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