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//TEST:SIMPLE(filecheck=SPV): -target spirv -O0
// Test that we are not deferring buffer loads due to potential aliasing writes.
struct Bottom
{
float bigArray[1024];
float bottomGetValue(int index)
{
// this write may cause data stored at gRoot to be modified,
// thus bigArray[index] may be different from what it was before the call to
// bottomGetValue. So we should not defer loading bigArray until after this write.
*gOther = 100;
// We should return the value from bigArray from a previously loaded value of `this`.
return bigArray[index];
}
}
struct Root
{
Bottom bottom1;
Bottom bottom2;
}
uniform Root* gRoot;
uniform int* gOther;
RWStructuredBuffer<float> outputBuffer;
[shader("compute")]
[numthreads(1, 1, 1)]
void compute_main(uint3 tid: SV_DispatchThreadID)
{
// SPV: OpLoad %Bottom_natural
outputBuffer[0] = gRoot.bottom1.bottomGetValue(0);
}
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