[BUILD] add clang-cl to CMakeSettings (#5596)

This is for enable clang-cl build.
The change will fix build error when use clang_cl_x64_x64 with
CMakeSettings.

Still many warnings and other issue to fix.

CMakeSettings.json

@@ -22,6 +22,28 @@
       "ctestCommandArgs": "",
       "inheritEnvironments": [ "msvc_x64_x64" ]
     },
+    {
+      "name": "x64-clang-cl-Release",
+      "generator": "Ninja",
+      "configurationType": "RelWithDebInfo",
+      "buildRoot": "${projectDir}\\out\\build\\${name}",
+      "installRoot": "${projectDir}\\out\\install\\${name}",
+      "cmakeCommandArgs": "-C ${projectDir}\\cmake\\caches\\PredefinedParams.cmake -DLLVM_ENABLE_ASSERTIONS=On -DLLVM_LIT_ARGS=\"-v\"",
+      "buildCommandArgs": "-v",
+      "ctestCommandArgs": "",
+      "inheritEnvironments": [ "clang_cl_x64_x64" ]
+    },
+    {
+      "name": "x64-clang-cl-Debug",
+      "generator": "Ninja",
+      "configurationType": "Debug",
+      "buildRoot": "${projectDir}\\out\\build\\${name}",
+      "installRoot": "${projectDir}\\out\\install\\${name}",
+      "cmakeCommandArgs": "-C ${projectDir}\\cmake\\caches\\PredefinedParams.cmake -DLLVM_ENABLE_ASSERTIONS=On -DLLVM_LIT_ARGS=\"-v\"",
+      "buildCommandArgs": "-v",
+      "ctestCommandArgs": "",
+      "inheritEnvironments": [ "clang_cl_x64_x64" ]
+    },
     {
       "name": "x86-Release",
       "generator": "Ninja",

projects/dxilconv/lib/DxbcConverter/DxbcConverter.cpp

@@ -6807,7 +6807,8 @@ Value *DxbcConverter::CastDxbcValue(Value *pValue, const CompType &SrcType, cons
       return m_pBuilder->CreateBitCast(m_pBuilder->CreateSExt(pValue, Type::getInt16Ty(m_Ctx)), Type::getHalfTy(m_Ctx));
     case CompType::Kind::F32:
       return m_pBuilder->CreateBitCast(m_pBuilder->CreateSExt(pValue, Type::getInt32Ty(m_Ctx)), Type::getFloatTy(m_Ctx));
-    default: LLVM_FALLTHROUGH;
+    default:
+      break;
     }
     break;
 
@@ -6831,7 +6832,8 @@ Value *DxbcConverter::CastDxbcValue(Value *pValue, const CompType &SrcType, cons
       pValue = m_pBuilder->CreateSExt(pValue, Type::getInt32Ty(m_Ctx));
       return CreateBitCast(pValue, CompType::getI32(), CompType::getF32());
     }
-    default: LLVM_FALLTHROUGH;
+    default:
+      break;
     }
     break;
 
@@ -6855,7 +6857,8 @@ Value *DxbcConverter::CastDxbcValue(Value *pValue, const CompType &SrcType, cons
       pValue = m_pBuilder->CreateZExt(pValue, Type::getInt32Ty(m_Ctx));
       return CreateBitCast(pValue, CompType::getI32(), CompType::getF32());
     }
-    default: LLVM_FALLTHROUGH;
+    default:
+      break;
     }
     break;
 
@@ -6877,7 +6880,8 @@ Value *DxbcConverter::CastDxbcValue(Value *pValue, const CompType &SrcType, cons
     }
     case CompType::Kind::F32:
       return CreateBitCast(pValue, CompType::getI32(), CompType::getF32());
-    default: LLVM_FALLTHROUGH;
+    default:
+      break;
     }
     break;
 
@@ -6897,7 +6901,8 @@ Value *DxbcConverter::CastDxbcValue(Value *pValue, const CompType &SrcType, cons
     }
     case CompType::Kind::F32:
       return m_pBuilder->CreateFPExt(pValue, Type::getFloatTy(m_Ctx));
-    default: LLVM_FALLTHROUGH;
+    default:
+      break;
     }
     break;
 
@@ -6917,11 +6922,13 @@ Value *DxbcConverter::CastDxbcValue(Value *pValue, const CompType &SrcType, cons
       return CreateBitCast(pValue, CompType::getF32(), CompType::getI32());
     case CompType::Kind::F16:
       return m_pBuilder->CreateFPTrunc(pValue, Type::getHalfTy(m_Ctx));
-    default: LLVM_FALLTHROUGH;
+    default:
+      break;
     }
     break;
 
-  default: LLVM_FALLTHROUGH;
+  default:
+    break;
   }
 
   DXASSERT(false, "unsupported cast combination");
@@ -7084,7 +7091,8 @@ CompType DxbcConverter::InferOperandType(const D3D10ShaderBinary::CInstruction &
       }
     }
 
-    default: LLVM_FALLTHROUGH;
+    default:
+      break;
     }
   }
 

projects/dxilconv/lib/DxbcConverter/DxbcUtil.cpp

@@ -825,6 +825,8 @@ DXIL::PrimitiveTopology GetPrimitiveTopology(D3D10_SB_PRIMITIVE_TOPOLOGY Topolog
   case D3D10_SB_PRIMITIVE_TOPOLOGY_LINESTRIP_ADJ:       LLVM_FALLTHROUGH;
   case D3D10_SB_PRIMITIVE_TOPOLOGY_TRIANGLELIST_ADJ:    LLVM_FALLTHROUGH;
   case D3D10_SB_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP_ADJ:   LLVM_FALLTHROUGH;
+  default:
+    break;
   }
 
   IFTBOOL(false, DXC_E_INCORRECT_DXBC);