1 files changed, 0 insertions, 193 deletions
diff --git a/clang/lib/AST/Interp/InterpFrame.cpp b/clang/lib/AST/Interp/InterpFrame.cpp
deleted file mode 100644
index b787294ee09..00000000000
--- a/clang/lib/AST/Interp/InterpFrame.cpp
+++ /dev/null
@@ -1,193 +0,0 @@
-//===--- InterpFrame.cpp - Call Frame implementation 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 "InterpFrame.h"
-#include "Function.h"
-#include "Interp.h"
-#include "InterpStack.h"
-#include "Program.h"
-#include "Type.h"
-#include "clang/AST/DeclCXX.h"
-
-using namespace clang;
-using namespace clang::interp;
-
-InterpFrame::InterpFrame(InterpState &S, Function *Func, InterpFrame *Caller,
-                         CodePtr RetPC, Pointer &&This)
-    : Caller(Caller), S(S), Func(Func), This(std::move(This)), RetPC(RetPC),
-      ArgSize(Func ? Func->getArgSize() : 0),
-      Args(static_cast<char *>(S.Stk.top())), FrameOffset(S.Stk.size()) {
-  if (Func) {
-    if (unsigned FrameSize = Func->getFrameSize()) {
-      Locals = std::make_unique<char[]>(FrameSize);
-      for (auto &Scope : Func->scopes()) {
-        for (auto &Local : Scope.locals()) {
-          Block *B = new (localBlock(Local.Offset)) Block(Local.Desc);
-          B->invokeCtor();
-        }
-      }
-    }
-  }
-}
-
-InterpFrame::~InterpFrame() {
-  if (Func && Func->isConstructor() && This.isBaseClass())
-    This.initialize();
-  for (auto &Param : Params)
-    S.deallocate(reinterpret_cast<Block *>(Param.second.get()));
-}
-
-void InterpFrame::destroy(unsigned Idx) {
-  for (auto &Local : Func->getScope(Idx).locals()) {
-    S.deallocate(reinterpret_cast<Block *>(localBlock(Local.Offset)));
-  }
-}
-
-void InterpFrame::popArgs() {
-  for (PrimType Ty : Func->args_reverse())
-    TYPE_SWITCH(Ty, S.Stk.discard<T>());
-}
-
-template <typename T>
-static void print(llvm::raw_ostream &OS, const T &V, ASTContext &, QualType) {
-  OS << V;
-}
-
-template <>
-void print(llvm::raw_ostream &OS, const Pointer &P, ASTContext &Ctx,
-           QualType Ty) {
-  if (P.isZero()) {
-    OS << "nullptr";
-    return;
-  }
-
-  auto printDesc = [&OS, &Ctx](Descriptor *Desc) {
-    if (auto *D = Desc->asDecl()) {
-      // Subfields or named values.
-      if (auto *VD = dyn_cast<ValueDecl>(D)) {
-        OS << *VD;
-        return;
-      }
-      // Base classes.
-      if (isa<RecordDecl>(D)) {
-        return;
-      }
-    }
-    // Temporary expression.
-    if (auto *E = Desc->asExpr()) {
-      E->printPretty(OS, nullptr, Ctx.getPrintingPolicy());
-      return;
-    }
-    llvm_unreachable("Invalid descriptor type");
-  };
-
-  if (!Ty->isReferenceType())
-    OS << "&";
-  llvm::SmallVector<Pointer, 2> Levels;
-  for (Pointer F = P; !F.isRoot(); ) {
-    Levels.push_back(F);
-    F = F.isArrayElement() ? F.getArray().expand() : F.getBase();
-  }
-
-  printDesc(P.getDeclDesc());
-  for (auto It = Levels.rbegin(); It != Levels.rend(); ++It) {
-    if (It->inArray()) {
-      OS << "[" << It->expand().getIndex() << "]";
-      continue;
-    }
-    if (auto Index = It->getIndex()) {
-      OS << " + " << Index;
-      continue;
-    }
-    OS << ".";
-    printDesc(It->getFieldDesc());
-  }
-}
-
-void InterpFrame::describe(llvm::raw_ostream &OS) {
-  const FunctionDecl *F = getCallee();
-  auto *M = dyn_cast<CXXMethodDecl>(F);
-  if (M && M->isInstance() && !isa<CXXConstructorDecl>(F)) {
-    print(OS, This, S.getCtx(), S.getCtx().getRecordType(M->getParent()));
-    OS << "->";
-  }
-  OS << *F << "(";
-  unsigned Off = Func->hasRVO() ? primSize(PT_Ptr) : 0;
-  for (unsigned I = 0, N = F->getNumParams(); I < N; ++I) {
-    QualType Ty = F->getParamDecl(I)->getType();
-
-    PrimType PrimTy;
-    if (llvm::Optional<PrimType> T = S.Ctx.classify(Ty)) {
-      PrimTy = *T;
-    } else {
-      PrimTy = PT_Ptr;
-    }
-
-    TYPE_SWITCH(PrimTy, print(OS, stackRef<T>(Off), S.getCtx(), Ty));
-    Off += align(primSize(PrimTy));
-    if (I + 1 != N)
-      OS << ", ";
-  }
-  OS << ")";
-}
-
-Frame *InterpFrame::getCaller() const {
-  if (Caller->Caller)
-    return Caller;
-  return S.getSplitFrame();
-}
-
-SourceLocation InterpFrame::getCallLocation() const {
-  if (!Caller->Func)
-    return S.getLocation(nullptr, {});
-  return S.getLocation(Caller->Func, RetPC - sizeof(uintptr_t));
-}
-
-const FunctionDecl *InterpFrame::getCallee() const {
-  return Func->getDecl();
-}
-
-Pointer InterpFrame::getLocalPointer(unsigned Offset) {
-  assert(Offset < Func->getFrameSize() && "Invalid local offset.");
-  return Pointer(
-      reinterpret_cast<Block *>(Locals.get() + Offset - sizeof(Block)));
-}
-
-Pointer InterpFrame::getParamPointer(unsigned Off) {
-  // Return the block if it was created previously.
-  auto Pt = Params.find(Off);
-  if (Pt != Params.end()) {
-    return Pointer(reinterpret_cast<Block *>(Pt->second.get()));
-  }
-
-  // Allocate memory to store the parameter and the block metadata.
-  const auto &Desc = Func->getParamDescriptor(Off);
-  size_t BlockSize = sizeof(Block) + Desc.second->getAllocSize();
-  auto Memory = std::make_unique<char[]>(BlockSize);
-  auto *B = new (Memory.get()) Block(Desc.second);
-
-  // Copy the initial value.
-  TYPE_SWITCH(Desc.first, new (B->data()) T(stackRef<T>(Off)));
-
-  // Record the param.
-  Params.insert({Off, std::move(Memory)});
-  return Pointer(B);
-}
-
-SourceInfo InterpFrame::getSource(CodePtr PC) const {
-  return S.getSource(Func, PC);
-}
-
-const Expr *InterpFrame::getExpr(CodePtr PC) const {
-  return S.getExpr(Func, PC);
-}
-
-SourceLocation InterpFrame::getLocation(CodePtr PC) const {
-  return S.getLocation(Func, PC);
-}
-