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// if-conditional-exit.slang
// Test active mask synthesis for an `if` where one side
// conditionally exits the current function/scope,
// and thus may or may not "re-converge" after the
// conditional.
//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute
//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute
//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -profile cs_6_0
//DISABLE_TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute
//TEST(compute):COMPARE_COMPUTE_EX:-cuda -compute -capability cuda_sm_7_0
//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0], stride=4):out,name buffer
RWStructuredBuffer<int> buffer;
#define THREAD_COUNT 4
#define WRITE(IDX) buffer[IDX*THREAD_COUNT + tid] = WaveGetActiveMask()
void test(int tid)
{
WRITE(0);
if((tid & 1) != 0)
{
WRITE(1);
if((tid & 2) != 0)
{
WRITE(2);
return;
}
WRITE(3);
}
else
{
WRITE(4);
}
WRITE(5);
}
[numthreads(THREAD_COUNT, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
test(dispatchThreadID.x);
}
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