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//TEST:SIMPLE(filecheck=HLSL): -target hlsl -profile cs_5_0 -entry computeMain
//TEST:SIMPLE(filecheck=SPIRV): -target spirv -O0
//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
RWStructuredBuffer<int> outputBuffer;
// HLSL: [branch]
// HLSL: [flatten]
// SPIRV: OpSelectionMerge {{.*}} DontFlatten
// SPIRV: OpSelectionMerge {{.*}} Flatten
[numthreads(4, 1, 1)]
void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
{
int idx = dispatchThreadID.x;
int v = idx;
[branch]
if (idx != 0)
{
++v;
}
[flatten]
if (idx > 2)
{
v += v;
}
outputBuffer[dispatchThreadID.x] = v;
}
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