offload-test-suite/test/Feature/LocalResources/DXCPass-ClangCodegenError/local_resource_array_partial_init.test at 4bd175c5e2ed13ef9a4b4afaca813d4d8fd7a37b · llvm/offload-test-suite · GitHub

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#--- source.hlsl

// Test that a local resource array with only some elements initialized
// (others left default) compiles successfully.

RWByteAddressBuffer Out : register(u0);

[numthreads(1,1,1)]
void main(uint3 tid : SV_DispatchThreadID) {
    RWByteAddressBuffer arr[4];
    arr[0] = Out;
    arr[1] = Out;
    arr[tid.x & 3].Store(0, 42);
}

//--- pipeline.yaml

---
Shaders:
  - Stage: Compute
    Entry: main
    DispatchSize: [1, 1, 1]
Buffers:
  - Name: Out
    Format: Int32
    Stride: 4
    Data: [0]
  - Name: ExpectedOut
    Format: Int32
    Stride: 4
    Data: [42]
Results:
  - Result: Test0
    Rule: BufferExact
    Actual: Out
    Expected: ExpectedOut
DescriptorSets:
  - Resources:
    - Name: Out
      Kind: RWByteAddressBuffer
      DirectXBinding:
        Register: 0
        Space: 0
      VulkanBinding:
        Binding: 0
...
#--- end

# Bug: https://github.com/llvm/llvm-project/issues/192523
# XFAIL: Clang && Vulkan

# Bug: https://github.com/llvm/llvm-project/issues/192538
# Metal is included because it uses the DXIL backend (Metal IR Converter takes
# DXIL as input), so it hits the same DXILLegalizePass assertion as DirectX.
# XFAIL: Clang && (DirectX || Metal)

# Bug: https://github.com/microsoft/DirectXShaderCompiler/issues/8379
# XFAIL: DXC && Vulkan

# RUN: split-file %s %t
# RUN: %dxc_target -T cs_6_0 -Fo %t.o %t/source.hlsl
# RUN: %offloader %t/pipeline.yaml %t.o