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//TEST:SIMPLE(filecheck=CHECK): -target spirv
//TEST(compute, vulkan):COMPARE_COMPUTE(filecheck-buffer=BUF):-vk -output-using-type -emit-spirv-directly
// CHECK: %[[C0:[0-9A-Za-z_]+]] = OpSpecConstant %int 32
// CHECK: %[[I2:[0-9A-Za-z_]+]] = OpConstant %int 2
// CHECK: %[[COP0:[0-9A-Za-z_]+]] = OpSpecConstantOp %int SDiv %[[C0]] %[[I2]]
// CHECK: %[[COP1:[0-9A-Za-z_]+]] = OpSpecConstantOp %int ShiftRightArithmetic %[[C0]] %[[I2]]
// CHECK: %[[COP2:[0-9A-Za-z_]+]] = OpSpecConstantOp %int IAdd %[[COP0]] %[[COP1]]
// CHECK: %[[ARR_TYPE:[0-9A-Za-z_]+]] = OpTypeArray %float %[[COP2]]
// CHECK: %[[PT_TYPE:[0-9A-Za-z_]+]] = OpTypePointer Function %[[ARR_TYPE]]
[SpecializationConstant]
const int constValue0 = 32;
//TEST_INPUT:ubuffer(data=[0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<float> outputBuffer;
static float g_buffer[constValue0 / 2 + (constValue0 >> 2)];
[shader("compute")]
[numthreads(1, 1, 1)]
void computeMain()
{
float buffer[constValue0 / 2 + (constValue0 >> 2)];
// CHECK: OpVariable %[[PT_TYPE]] Function
static const int size = constValue0 / 2 + (constValue0 >> 2); // 16 + 8 = 24
for (uint i = 0; i < size; i++)
{
buffer[i] = i;
g_buffer[i] = i * 2;
}
float temp1 = 0.0f;
float temp2 = 0.0f;
for (uint i = 0; i < size; i++)
{
temp1 += buffer[i] * 2;
temp2 += g_buffer[i];
}
// Result will be (0 + size-1) * size = (0 + 23) * 24 = 552
outputBuffer[0] = temp1;
// BUF: 552
outputBuffer[1] = temp2;
// BUF-NEXT: 552
}
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