vendor/llvm-project/llvmorg-11-init-20887-g2e10b7a39b9vendor/llvm-project/master

1 files changed, 49 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaSYCL.cpp b/clang/lib/Sema/SemaSYCL.cpp
new file mode 100644
index 000000000000..db7603b42f7b
--- /dev/null
+++ b/clang/lib/Sema/SemaSYCL.cpp
@@ -0,0 +1,49 @@
+//===- SemaSYCL.cpp - Semantic Analysis for SYCL constructs ---------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+// This implements Semantic Analysis for SYCL constructs.
+//===----------------------------------------------------------------------===//
+
+#include "clang/Sema/Sema.h"
+#include "clang/Sema/SemaDiagnostic.h"
+
+using namespace clang;
+
+// -----------------------------------------------------------------------------
+// SYCL device specific diagnostics implementation
+// -----------------------------------------------------------------------------
+
+Sema::DeviceDiagBuilder Sema::SYCLDiagIfDeviceCode(SourceLocation Loc,
+                                                   unsigned DiagID) {
+  assert(getLangOpts().SYCLIsDevice &&
+         "Should only be called during SYCL compilation");
+  FunctionDecl *FD = dyn_cast<FunctionDecl>(getCurLexicalContext());
+  DeviceDiagBuilder::Kind DiagKind = [this, FD] {
+    if (!FD)
+      return DeviceDiagBuilder::K_Nop;
+    if (getEmissionStatus(FD) == Sema::FunctionEmissionStatus::Emitted)
+      return DeviceDiagBuilder::K_ImmediateWithCallStack;
+    return DeviceDiagBuilder::K_Deferred;
+  }();
+  return DeviceDiagBuilder(DiagKind, Loc, DiagID, FD, *this);
+}
+
+bool Sema::checkSYCLDeviceFunction(SourceLocation Loc, FunctionDecl *Callee) {
+  assert(getLangOpts().SYCLIsDevice &&
+         "Should only be called during SYCL compilation");
+  assert(Callee && "Callee may not be null.");
+
+  // Errors in unevaluated context don't need to be generated,
+  // so we can safely skip them.
+  if (isUnevaluatedContext() || isConstantEvaluated())
+    return true;
+
+  DeviceDiagBuilder::Kind DiagKind = DeviceDiagBuilder::K_Nop;
+
+  return DiagKind != DeviceDiagBuilder::K_Immediate &&
+         DiagKind != DeviceDiagBuilder::K_ImmediateWithCallStack;
+}