1 files changed, 51 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/AST/Interp/Function.cpp b/contrib/llvm-project/clang/lib/AST/Interp/Function.cpp
new file mode 100644
index 000000000000..1d04998d5dd1
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/AST/Interp/Function.cpp
@@ -0,0 +1,51 @@
+//===--- Function.h - Bytecode function for the VM --------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "Function.h"
+#include "Opcode.h"
+#include "Program.h"
+#include "clang/AST/Decl.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/Basic/Builtins.h"
+
+using namespace clang;
+using namespace clang::interp;
+
+Function::Function(Program &P, const FunctionDecl *F, unsigned ArgSize,
+                   llvm::SmallVectorImpl<PrimType> &&ParamTypes,
+                   llvm::DenseMap<unsigned, ParamDescriptor> &&Params,
+                   llvm::SmallVectorImpl<unsigned> &&ParamOffsets,
+                   bool HasThisPointer, bool HasRVO, bool UnevaluatedBuiltin)
+    : P(P), Loc(F->getBeginLoc()), F(F), ArgSize(ArgSize),
+      ParamTypes(std::move(ParamTypes)), Params(std::move(Params)),
+      ParamOffsets(std::move(ParamOffsets)), HasThisPointer(HasThisPointer),
+      HasRVO(HasRVO), Variadic(F->isVariadic()),
+      IsUnevaluatedBuiltin(UnevaluatedBuiltin) {}
+
+Function::ParamDescriptor Function::getParamDescriptor(unsigned Offset) const {
+  auto It = Params.find(Offset);
+  assert(It != Params.end() && "Invalid parameter offset");
+  return It->second;
+}
+
+SourceInfo Function::getSource(CodePtr PC) const {
+  assert(PC >= getCodeBegin() && "PC does not belong to this function");
+  assert(PC <= getCodeEnd() && "PC Does not belong to this function");
+  assert(hasBody() && "Function has no body");
+  unsigned Offset = PC - getCodeBegin();
+  using Elem = std::pair<unsigned, SourceInfo>;
+  auto It = llvm::lower_bound(SrcMap, Elem{Offset, {}}, llvm::less_first());
+  assert(It != SrcMap.end());
+  return It->second;
+}
+
+bool Function::isVirtual() const {
+  if (const auto *M = dyn_cast<CXXMethodDecl>(F))
+    return M->isVirtual();
+  return false;
+}