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Add tests for fma (#953)
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‎test/Feature/HLSLLib/fma.matrix.test‎

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#--- source.hlsl
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StructuredBuffer<double4> A : register(t0);
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StructuredBuffer<double4> B : register(t1);
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StructuredBuffer<double4> C : register(t2);
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RWStructuredBuffer<double4> Out : register(u3);
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[numthreads(1,1,1)]
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void main() {
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double3x2 r32 = fma(double3x2(A[0].xyz, A[1].xyz),
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double3x2(B[0].xyz, B[1].xyz),
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double3x2(C[0].xyz, C[1].xyz));
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double2x4 r24 = fma(double2x4(A[2], A[3]),
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double2x4(B[2], B[3]),
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double2x4(C[2], C[3]));
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double3x1 r31 = fma(double3x1(A[4].xyz),
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double3x1(B[4].xyz),
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double3x1(C[4].xyz));
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double4x4 r44 = fma(double4x4(A[5], A[6], A[7], A[8]),
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double4x4(B[5], B[6], B[7], B[8]),
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double4x4(C[5], C[6], C[7], C[8]));
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Out[0] = double4(r32[0], r32[1]);
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Out[1] = double4(r32[2], 0.0, 0.0);
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Out[2] = r24[0];
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Out[3] = r24[1];
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Out[4] = double4(r31[0][0], r31[1][0], r31[2][0], 0.0);
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Out[5] = r44[0];
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Out[6] = r44[1];
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Out[7] = r44[2];
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Out[8] = r44[3];
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}
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//--- pipeline.yaml
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---
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Shaders:
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- Stage: Compute
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Entry: main
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DispatchSize: [1, 1, 1]
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Buffers:
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- Name: A
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Format: Float64
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Stride: 32
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Data: [ 1.5, -2.5, 0.5, 0.0,
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-0.5, 2.0, 3.0, 0.0,
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0.25, -0.25, 10.4, -10.6,
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0.0, 10.0, -10.0, 10.5,
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1.25, -4.0, 2.5, 0.0,
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1.0, 2.0, 3.0, 4.0,
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-1.0, -2.0, -3.0, -4.0,
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0.5, 1.5, -0.5, -1.5,
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10.0, -10.0, 2.25, -2.25 ]
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- Name: B
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Format: Float64
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Stride: 32
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Data: [ 2.0, -1.0, 4.0, 0.0,
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4.0, -0.5, 1.5, 0.0,
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1.0, 1.0, 1.0, 1.0,
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1.0, 2.0, -1.0, 1.0,
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2.0, -0.5, 3.0, 0.0,
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2.0, -1.0, 0.5, 3.0,
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4.0, 0.5, -2.0, -1.0,
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1.0, 2.0, 3.0, 4.0,
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-0.5, 1.5, -1.0, 2.0 ]
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- Name: C
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Format: Float64
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Stride: 32
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Data: [ 0.25, 0.75, -1.5, 0.0,
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1.5, 1.0, -2.0, 0.0,
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0.0, 0.0, 0.0, 0.0,
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0.0, 0.5, 0.5, 0.0,
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0.5, 1.0, -1.5, 0.0,
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0.5, 1.0, -1.5, 0.0,
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-0.5, 2.0, 1.0, 3.0,
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1.5, -2.0, 0.5, -4.0,
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5.0, -5.0, 0.25, -0.25 ]
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- Name: Out
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Format: Float64
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Stride: 32
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FillSize: 288
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- Name: Expected
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Format: Float64
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Stride: 32
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Data: [ 3.25, 3.25, 0.5, -0.5,
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0.0, 2.5, 0.0, 0.0,
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0.25, -0.25, 10.4, -10.6,
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0.0, 20.5, 10.5, 10.5,
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3.0, 3.0, 6.0, 0.0,
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2.5, -1.0, 0.0, 12.0,
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-4.5, 1.0, 7.0, 7.0,
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2.0, 1.0, -1.0, -10.0,
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0.0, -20.0, -2.0, -4.75 ]
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Results:
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- Result: Result
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Rule: BufferFloatULP
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ULPT: 1
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Actual: Out
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Expected: Expected
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DescriptorSets:
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- Resources:
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- Name: A
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 0
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Space: 0
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VulkanBinding:
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Binding: 0
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- Name: B
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 1
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Space: 0
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VulkanBinding:
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Binding: 1
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- Name: C
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 2
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Space: 0
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VulkanBinding:
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Binding: 2
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- Name: Out
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Kind: RWStructuredBuffer
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DirectXBinding:
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Register: 3
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Space: 0
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VulkanBinding:
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Binding: 3
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#--- end
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# Bug https://github.com/llvm/offload-test-suite/issues/1000
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# XFAIL: arm64 && WARP
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# REQUIRES: Double
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# RUN: split-file %s %t
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# RUN: %dxc_target -Gis -HV 202x -T cs_6_5 -Fo %t.o %t/source.hlsl
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# RUN: %offloader %t/pipeline.yaml %t.o

‎test/Feature/HLSLLib/fma.test‎

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#--- source.hlsl
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StructuredBuffer<double4> A : register(t0);
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StructuredBuffer<double4> B : register(t1);
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StructuredBuffer<double4> C : register(t2);
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RWStructuredBuffer<double4> Out : register(u3);
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[numthreads(1,1,1)]
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void main() {
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Out[0] = fma(A[0], B[0], C[0]);
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Out[1] = double4(fma(A[1].xyz, B[1].xyz, C[1].xyz), fma(A[1].w, B[1].w, C[1].w));
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Out[2] = double4(fma(A[2].xy, B[2].xy, C[2].xy), fma(A[2].zw, B[2].zw, C[2].zw));
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Out[3] = fma(double4(1.0000000149011612l, -1.0000000149011612l, 1.0000000000000002l, 0.5l), double4(67108865.0l, 67108865.0l, -0.9999999999999998l, -8.0l), double4(-67108866.0l, 67108866.0l, 1.0l, 1.0l));
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}
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//--- pipeline.yaml
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---
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Shaders:
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- Stage: Compute
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Entry: main
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DispatchSize: [1, 1, 1]
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Buffers:
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- Name: A
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Format: Float64
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Stride: 32
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Data: [ 1.5, -2.0, 0.75, -3.25,
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2.5, -4.0, 1.25, 3.5,
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1.0000000149011612, -1.0000000149011612, 1.0000000000000002, 0.5 ]
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# last row: (1 + 2^-26), -(1 + 2^-26), (1 + 2^-52), 0.5
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- Name: B
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Format: Float64
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Stride: 32
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Data: [ 2.25, 4.5, -8.0, -2.0,
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-1.5, -2.0, 8.0, -2.0,
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67108865.0, 67108865.0, -0.9999999999999998, -8.0 ]
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# last row: (2^26 + 1), (2^26 + 1), -(1 - 2^-52), -8
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- Name: C
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Format: Float64
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Stride: 32
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Data: [ 0.125, 1.25, 2.5, -0.5,
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0.25, -1.5, -0.75, 0.5,
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-67108866.0, 67108866.0, 1.0, 1.0 ]
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# last row: -(2^26 + 2), (2^26 + 2), 1, 1
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- Name: Out
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Format: Float64
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Stride: 32
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FillSize: 128
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- Name: Expected
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Format: Float64
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Stride: 32
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Data: [ 3.5, -7.75, -3.5, 6.0,
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-3.5, 6.5, 9.25, -6.5,
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0x1.0000000000000p-26, -0x1.0000000000000p-26, 0x1.0000000000000p-104, -3.0,
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0x1.0000000000000p-26, -0x1.0000000000000p-26, 0x1.0000000000000p-104, -3.0 ]
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# last two rows: 2^-26, -(2^-26), 2^-104, -3
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Results:
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- Result: Result
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Rule: BufferFloatULP
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ULPT: 1
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Actual: Out
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Expected: Expected
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DescriptorSets:
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- Resources:
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- Name: A
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 0
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Space: 0
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VulkanBinding:
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Binding: 0
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- Name: B
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 1
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Space: 0
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VulkanBinding:
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Binding: 1
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- Name: C
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 2
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Space: 0
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VulkanBinding:
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Binding: 2
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- Name: Out
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Kind: RWStructuredBuffer
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DirectXBinding:
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Register: 3
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Space: 0
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VulkanBinding:
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Binding: 3
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#--- end
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# Bug https://github.com/microsoft/DirectXShaderCompiler/issues/8330
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# XFAIL: arm64 && WARP
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# Bug https://github.com/llvm/offload-test-suite/issues/1026
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# XFAIL: Intel && Vulkan && DXC
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# REQUIRES: Double
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# RUN: split-file %s %t
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# RUN: %dxc_target -Gis -HV 202x -T cs_6_5 -Fo %t.o %t/source.hlsl
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# RUN: %offloader %t/pipeline.yaml %t.o

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