6 files changed, 20 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp
index 44ee6b3b3a6..e74066ef43a 100644
--- a/clang/lib/CodeGen/CGDecl.cpp
+++ b/clang/lib/CodeGen/CGDecl.cpp
@@ -105,6 +105,7 @@ void CodeGenFunction::EmitDecl(const Decl &D) {
   case Decl::Import:
   case Decl::OMPThreadPrivate:
   case Decl::OMPCapturedExpr:
+  case Decl::OMPRequires:
   case Decl::Empty:
     // None of these decls require codegen support.
     return;
@@ -2146,3 +2147,7 @@ void CodeGenModule::EmitOMPDeclareReduction(const OMPDeclareReductionDecl *D,
     return;
   getOpenMPRuntime().emitUserDefinedReduction(CGF, D);
 }
+
+void CodeGenModule::EmitOMPRequiresDecl(const OMPRequiresDecl *D) {
+  //Do nothing - here to avoid build errors
+}
diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index 01012cb3e91..d421729faa2 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -8273,6 +8273,7 @@ void CGOpenMPRuntime::scanForTargetRegionsFunctions(const Stmt *S,
     case OMPD_declare_reduction:
     case OMPD_taskloop:
     case OMPD_taskloop_simd:
+    case OMPD_requires:
     case OMPD_unknown:
       llvm_unreachable("Unknown target directive for OpenMP device codegen.");
     }
@@ -8748,6 +8749,7 @@ void CGOpenMPRuntime::emitTargetDataStandAloneCall(
     case OMPD_target_parallel:
     case OMPD_target_parallel_for:
     case OMPD_target_parallel_for_simd:
+    case OMPD_requires:
     case OMPD_unknown:
       llvm_unreachable("Unexpected standalone target data directive.");
       break;
diff --git a/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp b/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
index 0553c18a772..45aafaa5c3c 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
@@ -762,6 +762,7 @@ static bool hasNestedSPMDDirective(ASTContext &Ctx,
     case OMPD_declare_reduction:
     case OMPD_taskloop:
     case OMPD_taskloop_simd:
+    case OMPD_requires:
     case OMPD_unknown:
       llvm_unreachable("Unexpected directive.");
     }
@@ -831,6 +832,7 @@ static bool supportsSPMDExecutionMode(ASTContext &Ctx,
   case OMPD_declare_reduction:
   case OMPD_taskloop:
   case OMPD_taskloop_simd:
+  case OMPD_requires:
   case OMPD_unknown:
     break;
   }
@@ -980,6 +982,7 @@ static bool hasNestedLightweightDirective(ASTContext &Ctx,
     case OMPD_declare_reduction:
     case OMPD_taskloop:
     case OMPD_taskloop_simd:
+    case OMPD_requires:
     case OMPD_unknown:
       llvm_unreachable("Unexpected directive.");
     }
@@ -1052,6 +1055,7 @@ static bool supportsLightweightRuntime(ASTContext &Ctx,
   case OMPD_declare_reduction:
   case OMPD_taskloop:
   case OMPD_taskloop_simd:
+  case OMPD_requires:
   case OMPD_unknown:
     break;
   }
diff --git a/clang/lib/CodeGen/CGStmtOpenMP.cpp b/clang/lib/CodeGen/CGStmtOpenMP.cpp
index bbb15353420..7305b0f3213 100644
--- a/clang/lib/CodeGen/CGStmtOpenMP.cpp
+++ b/clang/lib/CodeGen/CGStmtOpenMP.cpp
@@ -3903,6 +3903,7 @@ static void emitOMPAtomicExpr(CodeGenFunction &CGF, OpenMPClauseKind Kind,
   case OMPC_from:
   case OMPC_use_device_ptr:
   case OMPC_is_device_ptr:
+  case OMPC_unified_address:
     llvm_unreachable("Clause is not allowed in 'omp atomic'.");
   }
 }
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index baafa98d5c8..cd30ad1a400 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -4879,6 +4879,10 @@ void CodeGenModule::EmitTopLevelDecl(Decl *D) {
   case Decl::OMPDeclareReduction:
     EmitOMPDeclareReduction(cast<OMPDeclareReductionDecl>(D));
     break;
+ 
+  case Decl::OMPRequires:
+    EmitOMPRequiresDecl(cast<OMPRequiresDecl>(D));
+    break;
 
   default:
     // Make sure we handled everything we should, every other kind is a
diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index ae7f7f3e191..baf3619ca88 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -1224,6 +1224,10 @@ public:
   void EmitOMPDeclareReduction(const OMPDeclareReductionDecl *D,
                                CodeGenFunction *CGF = nullptr);
 
+  /// Emit a code for requires directive.
+  /// \param D Requires declaration
+  void EmitOMPRequiresDecl(const OMPRequiresDecl *D);
+
   /// Returns whether the given record has hidden LTO visibility and therefore
   /// may participate in (single-module) CFI and whole-program vtable
   /// optimization.