[SM6.10][Exec] Remove Development Helpers (#8362)

V-FEXrt · github-actions[bot] · web-flow · commit 5f8d05f9b760 · 2026-04-10T16:38:03.000-06:00
Remove EmulateTest flag and "always continue up to compile" now that a
target is available to test against

---------

Co-authored-by: github-actions[bot] &lt;github-actions[bot]@users.noreply.github.com&gt;
diff --git a/tools/clang/unittests/HLSLExec/LinAlgTests.cpp b/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
@@ -109,8 +109,6 @@ static std::string buildCompilerArgs(const MatrixParams &Params,
     SS << " -DELEM_TYPE=uint";
     break;
   }
-  if (Params.EmulateTest)
-    SS << " -DEMULATE_TEST";
   if (Params.Enable16Bit)
     SS << " -enable-16bit-types";
   if (ExtraDefines)
@@ -283,12 +281,6 @@ static VariantCompType makeExpected(ComponentType CompType, MatrixDim M,
   }
 }
 
-static void logCompiledButSkipping() {
-  hlsl_test::LogCommentFmt(
-      L"Shader compiled OK; skipping execution (no SM 6.10 device)");
-  WEX::Logging::Log::Result(WEX::Logging::TestResults::Skipped);
-}
-
 class DxilConf_SM610_LinAlg {
 public:
   BEGIN_TEST_CLASS(DxilConf_SM610_LinAlg)
@@ -317,36 +309,16 @@ class DxilConf_SM610_LinAlg {
   TEST_METHOD(ElementAccess_Wave_16x16_F16);
 
 private:
-  D3D_SHADER_MODEL createDevice();
-
   CComPtr<ID3D12Device> D3DDevice;
   dxc::SpecificDllLoader DxcSupport;
   bool VerboseLogging = false;
-  bool EmulateTest = false;
   bool Initialized = false;
-  bool CompileOnly = false;
   std::optional<D3D12SDKSelector> D3D12SDK;
 
   WEX::TestExecution::SetVerifyOutput VerifyOutput{
       WEX::TestExecution::VerifyOutputSettings::LogOnlyFailures};
 };
 
-/// Attempts to create a device. If shaders are being emulated then a SM6.8
-/// device is attempted. Otherwise a SM6.10 device is attempted
-D3D_SHADER_MODEL DxilConf_SM610_LinAlg::createDevice() {
-  if (EmulateTest) {
-    if (D3D12SDK->createDevice(&D3DDevice, D3D_SHADER_MODEL_6_8, false))
-      return D3D_SHADER_MODEL_6_8;
-
-    return D3D_SHADER_MODEL_NONE;
-  }
-
-  if (D3D12SDK->createDevice(&D3DDevice, D3D_SHADER_MODEL_6_10, false))
-    return D3D_SHADER_MODEL_6_10;
-
-  return D3D_SHADER_MODEL_NONE;
-}
-
 bool DxilConf_SM610_LinAlg::setupClass() {
   if (!Initialized) {
     Initialized = true;
@@ -355,28 +327,18 @@ bool DxilConf_SM610_LinAlg::setupClass() {
     D3D12SDK = D3D12SDKSelector();
     WEX::TestExecution::RuntimeParameters::TryGetValue(L"VerboseLogging",
                                                        VerboseLogging);
-    WEX::TestExecution::RuntimeParameters::TryGetValue(L"EmulateTest",
-                                                       EmulateTest);
-    D3D_SHADER_MODEL SupportedSM = createDevice();
-
-    if (EmulateTest) {
-      hlsl_test::LogWarningFmt(L"EmulateTest flag set. Tests are NOT REAL");
-      if (SupportedSM != D3D_SHADER_MODEL_6_8) {
-        hlsl_test::LogErrorFmt(
-            L"Device creation failed. Expected a driver supporting SM6.8");
-        return false;
-      }
-    }
 
+    if (!D3D12SDK->createDevice(&D3DDevice, D3D_SHADER_MODEL_6_10, false)) {
 #ifdef _HLK_CONF
-    if (SupportedSM != D3D_SHADER_MODEL_6_10) {
       hlsl_test::LogErrorFmt(
           L"Device creation failed. Expected a driver supporting SM6.10");
+#else
+      hlsl_test::LogWarningFmt(
+          L"Device creation failed. Expected a driver supporting SM6.10");
+      WEX::Logging::Log::Result(WEX::Logging::TestResults::Skipped);
+#endif
       return false;
     }
-#endif
-
-    CompileOnly = SupportedSM == D3D_SHADER_MODEL_NONE;
   }
 
   return true;
@@ -388,27 +350,24 @@ bool DxilConf_SM610_LinAlg::setupMethod() {
   if (D3DDevice && D3DDevice->GetDeviceRemovedReason() == S_OK)
     return true;
 
-  // Device is expected to be null. No point in recreating it
-  if (CompileOnly)
-    return true;
-
   hlsl_test::LogCommentFmt(L"Device was lost!");
   D3DDevice.Release();
 
   hlsl_test::LogCommentFmt(L"Recreating device");
 
-  // !CompileOnly implies we expect it to succeeded
-  return createDevice() != D3D_SHADER_MODEL_NONE;
+  return D3D12SDK->createDevice(&D3DDevice, D3D_SHADER_MODEL_6_10, false);
 }
 
 static const char LoadStoreShader[] = R"(
   RWByteAddressBuffer Input : register(u0);
   RWByteAddressBuffer Output : register(u1);
 
-#ifndef EMULATE_TEST
   [WaveSize(4, 64)]
   [numthreads(NUMTHREADS, 1, 1)]
-  void main() {
+  void main(uint threadID : SV_GroupIndex) {
+    if (WaveReadLaneFirst(threadID) != 0)
+      return;
+
     __builtin_LinAlgMatrix
       [[__LinAlgMatrix_Attributes(COMP_TYPE, M_DIM, N_DIM, USE, SCOPE)]]
       Mat;
@@ -417,45 +376,26 @@ static const char LoadStoreShader[] = R"(
     __builtin_LinAlg_MatrixStoreToDescriptor(
       Mat, Output, OFFSET, STRIDE, LAYOUT, 128);
   }
-#else
-  [numthreads(NUMTHREADS, 1, 1)]
-  void main() {
-    for (uint I = 0; I < M_DIM*N_DIM; ++I) {
-      Output.Store<ELEM_TYPE>(I*ELEM_SIZE, Input.Load<ELEM_TYPE>(I*ELEM_SIZE));
-    }
-  }
-#endif
 )";
 
 static void runLoadStoreRoundtrip(ID3D12Device *Device,
                                   dxc::SpecificDllLoader &DxcSupport,
-                                  const MatrixParams &Params, bool Verbose,
-                                  bool CompileOnly) {
+                                  const MatrixParams &Params, bool Verbose) {
   const size_t NumElements = Params.totalElements();
   const size_t BufferSize = Params.totalBytes();
 
-  std::string Target = "cs_6_10";
-  if (Params.EmulateTest)
-    Target = "cs_6_8";
-
   // TODO: these should be varied by test to ensure full coverage
   std::stringstream ExtraDefs;
   ExtraDefs << " -DOFFSET=" << 0;
 
   std::string Args = buildCompilerArgs(Params, ExtraDefs.str().c_str());
 
-  // Always verify the shader compiles.
-  compileShader(DxcSupport, LoadStoreShader, Target.c_str(), Args, Verbose);
-
-  if (CompileOnly) {
-    logCompiledButSkipping();
-    return;
-  }
+  compileShader(DxcSupport, LoadStoreShader, "cs_6_10", Args, Verbose);
 
   auto Expected = makeExpected(Params.CompType, Params.M, Params.N, 1);
 
   // Construct the ShaderOp: two UAV buffers, load from one, store to other.
-  auto Op = createComputeOp(LoadStoreShader, Target.c_str(), "UAV(u0), UAV(u1)",
+  auto Op = createComputeOp(LoadStoreShader, "cs_6_10", "UAV(u0), UAV(u1)",
                             Args.c_str());
   addUAVBuffer(Op.get(), "Input", BufferSize, false, "byname");
   addUAVBuffer(Op.get(), "Output", BufferSize, true);
@@ -488,64 +428,46 @@ void DxilConf_SM610_LinAlg::LoadStoreRoundtrip_Wave_16x16_F16() {
   Params.Layout = LinalgMatrixLayout::RowMajor;
   Params.NumThreads = 64;
   Params.Enable16Bit = true;
-  Params.EmulateTest = EmulateTest;
-  runLoadStoreRoundtrip(D3DDevice, DxcSupport, Params, VerboseLogging,
-                        CompileOnly);
+  runLoadStoreRoundtrip(D3DDevice, DxcSupport, Params, VerboseLogging);
 }
 
 static const char SplatStoreShader[] = R"(
   RWByteAddressBuffer Output : register(u0);
 
-#ifndef EMULATE_TEST
   [WaveSize(4, 64)]
   [numthreads(NUMTHREADS, 1, 1)]
-  void main() {
+  void main(uint threadID : SV_GroupIndex) {
+    if (WaveReadLaneFirst(threadID) != 0)
+      return;
+
     __builtin_LinAlgMatrix
       [[__LinAlgMatrix_Attributes(COMP_TYPE, M_DIM, N_DIM, USE, SCOPE)]]
       Mat;
     __builtin_LinAlg_FillMatrix(Mat, FILL_VALUE);
     __builtin_LinAlg_MatrixStoreToDescriptor(
       Mat, Output, 0, STRIDE, LAYOUT, 128);
   }
-#else
-  [numthreads(NUMTHREADS, 1, 1)]
-  void main() {
-    ELEM_TYPE fill = FILL_VALUE;
-    for (uint I = 0; I < M_DIM*N_DIM; ++I) {
-      Output.Store<ELEM_TYPE>(I*ELEM_SIZE, fill);
-    }
-  }
-#endif
 )";
 
 static void runSplatStore(ID3D12Device *Device,
                           dxc::SpecificDllLoader &DxcSupport,
                           const MatrixParams &Params, float FillValue,
-                          bool Verbose, bool CompileOnly) {
+                          bool Verbose) {
   const size_t NumElements = Params.totalElements();
   const size_t BufferSize = Params.totalBytes();
-  std::string Target = "cs_6_10";
-  if (Params.EmulateTest)
-    Target = "cs_6_8";
 
   std::stringstream ExtraDefs;
   ExtraDefs << "-DFILL_VALUE=" << FillValue;
 
   std::string Args = buildCompilerArgs(Params, ExtraDefs.str().c_str());
 
-  // Always verify the shader compiles.
-  compileShader(DxcSupport, SplatStoreShader, Target.c_str(), Args, Verbose);
-
-  if (CompileOnly) {
-    logCompiledButSkipping();
-    return;
-  }
+  compileShader(DxcSupport, SplatStoreShader, "cs_6_10", Args, Verbose);
 
   auto Expected =
       makeExpected(Params.CompType, Params.M, Params.N, FillValue, false);
 
-  auto Op = createComputeOp(SplatStoreShader, Target.c_str(), "UAV(u0)",
-                            Args.c_str());
+  auto Op =
+      createComputeOp(SplatStoreShader, "cs_6_10", "UAV(u0)", Args.c_str());
   addUAVBuffer(Op.get(), "Output", BufferSize, true);
   addRootUAV(Op.get(), 0, "Output");
 
@@ -568,9 +490,7 @@ void DxilConf_SM610_LinAlg::SplatStore_Wave_16x16_F16() {
   Params.Layout = LinalgMatrixLayout::RowMajor;
   Params.NumThreads = 64;
   Params.Enable16Bit = true;
-  Params.EmulateTest = EmulateTest;
-  runSplatStore(D3DDevice, DxcSupport, Params, 42.0f, VerboseLogging,
-                CompileOnly);
+  runSplatStore(D3DDevice, DxcSupport, Params, 42.0f, VerboseLogging);
 }
 
 static const char ElementAccessShader[] = R"(
@@ -583,10 +503,12 @@ static const char ElementAccessShader[] = R"(
     return (coord.y * N_DIM + coord.x) * ELEM_SIZE;
   }
 
-#ifndef EMULATE_TEST
   [WaveSize(4, 64)]
   [numthreads(NUMTHREADS, 1, 1)]
-  void main(uint threadIndex : SV_GroupIndex) {
+  void main(uint threadID : SV_GroupIndex) {
+    if (WaveReadLaneFirst(threadID) != 0)
+      return;
+
     __builtin_LinAlgMatrix
       [[__LinAlgMatrix_Attributes(COMP_TYPE, M_DIM, N_DIM, USE, SCOPE)]]
       Mat;
@@ -604,30 +526,15 @@ static const char ElementAccessShader[] = R"(
 
     // Save the matrix length that this thread saw. The length is written
     // to the output right after the matrix, offset by the thread index
-    uint LenIdx = (M_DIM * N_DIM * ELEM_SIZE) + (threadIndex * sizeof(uint));
+    uint LenIdx = (M_DIM * N_DIM * ELEM_SIZE) + (threadID * sizeof(uint));
     uint Len = __builtin_LinAlg_MatrixLength(Mat);
     Output.Store<uint>(LenIdx, Len);
   }
-#else
-  [numthreads(NUMTHREADS, 1, 1)]
-  void main(uint threadIndex : SV_GroupIndex) {
-    uint LenIdx = (M_DIM * N_DIM * ELEM_SIZE) + (threadIndex * sizeof(uint));
-    Output.Store<uint>(LenIdx, M_DIM * N_DIM / NUMTHREADS);
-
-    if (threadIndex != 0)
-      return;
-
-    for (uint I = 0; I < M_DIM*N_DIM; ++I) {
-      Output.Store<ELEM_TYPE>(I*ELEM_SIZE, Input.Load<ELEM_TYPE>(I*ELEM_SIZE));
-    }
-  }
-#endif
 )";
 
 static void runElementAccess(ID3D12Device *Device,
                              dxc::SpecificDllLoader &DxcSupport,
-                             const MatrixParams &Params, bool Verbose,
-                             bool CompileOnly) {
+                             const MatrixParams &Params, bool Verbose) {
   const size_t NumElements = Params.totalElements();
   const size_t NumThreads = Params.NumThreads;
   const size_t InputBufSize = Params.totalBytes();
@@ -639,24 +546,15 @@ static void runElementAccess(ID3D12Device *Device,
   const size_t OutputBufSize =
       NumElements * ElementSize + NumThreads * sizeof(uint32_t);
 
-  std::string Target = "cs_6_10";
-  if (Params.EmulateTest)
-    Target = "cs_6_8";
-
   std::stringstream ExtraDefs;
   std::string Args = buildCompilerArgs(Params, ExtraDefs.str().c_str());
 
-  compileShader(DxcSupport, ElementAccessShader, Target.c_str(), Args, Verbose);
-
-  if (CompileOnly) {
-    logCompiledButSkipping();
-    return;
-  }
+  compileShader(DxcSupport, ElementAccessShader, "cs_6_10", Args, Verbose);
 
   auto Expected = makeExpected(Params.CompType, Params.M, Params.N, 1);
 
-  auto Op = createComputeOp(ElementAccessShader, Target.c_str(),
-                            "UAV(u0), UAV(u1)", Args.c_str());
+  auto Op = createComputeOp(ElementAccessShader, "cs_6_10", "UAV(u0), UAV(u1)",
+                            Args.c_str());
   addUAVBuffer(Op.get(), "Input", InputBufSize, false, "byname");
   addUAVBuffer(Op.get(), "Output", OutputBufSize, true);
   addRootUAV(Op.get(), 0, "Input");
@@ -701,8 +599,7 @@ void DxilConf_SM610_LinAlg::ElementAccess_Wave_16x16_F16() {
   Params.Layout = LinalgMatrixLayout::RowMajor;
   Params.NumThreads = 64;
   Params.Enable16Bit = true;
-  Params.EmulateTest = EmulateTest;
-  runElementAccess(D3DDevice, DxcSupport, Params, VerboseLogging, CompileOnly);
+  runElementAccess(D3DDevice, DxcSupport, Params, VerboseLogging);
 }
 
 } // namespace LinAlg
