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[SM6.10] Add MatrixLength Builtin Tests (#8196)
Fixes #7898
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‎tools/clang/test/CodeGenDXIL/hlsl/linalg/builtins/matrixlength/nominal.hlsl‎

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// REQUIRES: dxil-1-10
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// RUN: %dxc -T cs_6_10 -E main %s | FileCheck %s
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[numthreads(1,1,1)]
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void main() {
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// CHECK-LABEL: define void @main()
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// CHECK: call i32 @dx.op.linAlgMatrixLength.mC4M5N4U1S2(i32 -2147483632, %dx.types.LinAlgMatrixC4M5N4U1S2 {{.*}}) ; LinAlgMatrixLength(matrix)
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__builtin_LinAlgMatrix [[__LinAlgMatrix_Attributes(4, 5, 4, 1, 2)]] mat;
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uint len = __builtin_LinAlg_MatrixLength(mat);
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}

‎tools/clang/test/SemaHLSL/hlsl/linalg/builtins/matrixlength/ast.hlsl‎

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// REQUIRES: dxil-1-10
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// RUN: %dxc -T lib_6_10 -E main %s -ast-dump-implicit | FileCheck %s
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// CHECK: FunctionDecl {{.*}} implicit used __builtin_LinAlg_MatrixLength 'unsigned int (__builtin_LinAlgMatrix {{.*}})' extern
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// CHECK-NEXT: ParmVarDecl {{.*}} matrix '__builtin_LinAlgMatrix {{.*}}'
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// CHECK-NEXT: HLSLIntrinsicAttr {{.*}} Implicit "op" "" 409
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// CHECK-NEXT: AvailabilityAttr {{.*}} Implicit 6.10 0 0 ""
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[shader("compute")]
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[numthreads(1,1,1)]
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void main() {
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__builtin_LinAlgMatrix [[__LinAlgMatrix_Attributes(1, 5, 4, 2, 2)]] mat;
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__builtin_LinAlg_MatrixLength(mat);
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}

‎tools/clang/test/SemaHLSL/hlsl/linalg/builtins/matrixlength/errors.hlsl‎

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// REQUIRES: dxil-1-10
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// RUN: %dxc -T lib_6_10 %s -verify
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// expected-no-diagnostics
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void CallFunction()
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{
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__builtin_LinAlgMatrix [[__LinAlgMatrix_Attributes(4, 5, 4, 1, 2)]] mat;
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__builtin_LinAlg_MatrixLength(mat);
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}
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// --- Allowed Stages ---
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[shader("compute")]
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[numthreads(4,4,4)]
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void mainCS(uint ix : SV_GroupIndex, uint3 id : SV_GroupThreadID) {
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CallFunction();
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}
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struct Verts {
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float4 position : SV_Position;
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};
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[shader("mesh")]
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[NumThreads(8, 8, 2)]
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[OutputTopology("triangle")]
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void mainMeS(out vertices Verts verts[32], uint ix : SV_GroupIndex) {
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CallFunction();
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SetMeshOutputCounts(32, 16);
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Verts v = {0.0, 0.0, 0.0, 0.0};
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verts[ix] = v;
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}
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struct AmpPayload {
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float2 dummy;
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};
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[numthreads(8, 1, 1)]
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[shader("amplification")]
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void mainAS()
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{
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CallFunction();
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AmpPayload pld;
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pld.dummy = float2(1.0,2.0);
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DispatchMesh(8, 1, 1, pld);
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}
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[shader("pixel")]
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float4 mainPS(uint ix : SV_PrimitiveID) : SV_TARGET {
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CallFunction();
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return 1.0;
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}
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[shader("vertex")]
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float4 mainVS(uint ix : SV_VertexID) : OUT {
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CallFunction();
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return 1.0;
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}
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[shader("node")]
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[nodedispatchgrid(8,1,1)]
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[numthreads(64,2,2)]
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void mainNS() {
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CallFunction();
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}
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[shader("raygeneration")]
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void mainRG() {
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CallFunction();
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}
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[shader("intersection")]
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void mainIS() {
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CallFunction();
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}
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struct Attribs { float2 barys; };
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[shader("callable")]
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void mainCALL(inout Attribs attrs) {
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CallFunction();
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}
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struct [raypayload] RayPayload
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{
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float elem
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: write(caller,closesthit,anyhit,miss)
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: read(caller,closesthit,anyhit,miss);
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};
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[shader("anyhit")]
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void mainAH(inout RayPayload pld, in Attribs attrs) {
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CallFunction();
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}
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[shader("closesthit")]
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void mainCH(inout RayPayload pld, in Attribs attrs) {
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CallFunction();
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}
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[shader("miss")]
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void mainMS(inout RayPayload pld) {
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CallFunction();
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}
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struct PosStruct {
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float4 pos : SV_Position;
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};
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struct PCStruct
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{
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float Edges[3] : SV_TessFactor;
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float Inside : SV_InsideTessFactor;
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float4 test : TEST;
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};
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PCStruct HSPatch(InputPatch<PosStruct, 3> ip,
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OutputPatch<PosStruct, 3> op,
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uint ix : SV_PrimitiveID)
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{
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PCStruct a;
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a.Edges[0] = ip[0].pos.w;
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a.Edges[1] = ip[0].pos.w;
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a.Edges[2] = ip[0].pos.w;
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a.Inside = ip[0].pos.w;
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return a;
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}
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[shader("hull")]
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[domain("tri")]
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[partitioning("fractional_odd")]
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[outputtopology("triangle_cw")]
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[outputcontrolpoints(3)]
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[patchconstantfunc("HSPatch")]
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PosStruct mainHS(InputPatch<PosStruct, 3> p, uint ix : SV_OutputControlPointID)
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{
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CallFunction();
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PosStruct s;
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s.pos = p[ix].pos;
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return s;
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}
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[shader("domain")]
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[domain("tri")]
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PosStruct mainDS(const OutputPatch<PosStruct, 3> patch,
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uint ix : SV_PrimitiveID)
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{
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CallFunction();
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PosStruct v;
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v.pos = patch[0].pos;
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return v;
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}
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float4 a;
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[shader("geometry")]
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[maxvertexcount(1)]
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void mainGS(triangle float4 array[3] : SV_Position, uint ix : SV_GSInstanceID,
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inout PointStream<PosStruct> OutputStream)
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{
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CallFunction();
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PosStruct s;
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s.pos = a;
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OutputStream.Append(s);
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OutputStream.RestartStrip();
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}

‎tools/clang/test/SemaHLSL/hlsl/linalg/builtins/matrixlength/unavailable_pre_sm610.hlsl‎

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// RUN: %dxc -I %hlsl_headers -T cs_6_9 -E main %s -verify
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[numthreads(4,1,1)]
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void main() {
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__builtin_LinAlgMatrix [[__LinAlgMatrix_Attributes(1, 5, 4, 0, 0)]] mat;
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// expected-error@+1{{intrinsic __builtin_LinAlg_MatrixLength potentially used by ''main'' requires shader model 6.10 or greater}}
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__builtin_LinAlg_MatrixLength(mat);
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}

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