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//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
//TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute -output-using-type -shaderobj
//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<float> outputBuffer;
typedef DifferentialPair<float> dpfloat;
typedef float.Differential dfloat;
[BackwardDifferentiable]
float test_simple_single_iter_loop(float y)
{
float x = 0;
for (int i = 0; i < 1; i++)
{
if (y > 0.6)
{
x = y * 10.0f;
break;
}
else
{
x = y * 6.0f;
break;
}
}
return x;
}
[BackwardDifferentiable]
float test_nested_if_else_single_iter_loop(float y)
{
float x = 0;
for (int i = 0; i < 1; i++)
{
if (y > 0.6)
{
if (y > 0.8)
{
x = y * 10.0f;
break;
}
else
{
x = y * 4.0f;
break;
}
}
x = y * 6.0f;
break;
}
return x;
}
[numthreads(1, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
{
dpfloat dpa = dpfloat(1.0, 0.0);
__bwd_diff(test_simple_single_iter_loop)(dpa, 1.0f);
outputBuffer[0] = dpa.d; // Expect: 10.0
}
{
dpfloat dpa = dpfloat(0.4, 0.0);
__bwd_diff(test_simple_single_iter_loop)(dpa, 1.0f);
outputBuffer[1] = dpa.d; // Expect: 6.0
}
{
dpfloat dpa = dpfloat(1.0, 0.0);
__bwd_diff(test_nested_if_else_single_iter_loop)(dpa, 1.0f);
outputBuffer[2] = dpa.d; // Expect: 10.0
}
{
dpfloat dpa = dpfloat(0.7, 0.0);
__bwd_diff(test_nested_if_else_single_iter_loop)(dpa, 1.0f);
outputBuffer[3] = dpa.d; // Expect: 4.0
}
{
dpfloat dpa = dpfloat(0.4, 0.0);
__bwd_diff(test_nested_if_else_single_iter_loop)(dpa, 1.0f);
outputBuffer[4] = dpa.d; // Expect: 6.0
}
}
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