Revert [Clang Interpreter] Initial patch for the constexpr interpreter

This reverts r370476 (git commit a5590950549719d0d9ea69ed164b0c8c0f4e02e6)

llvm-svn: 370481

1 files changed, 0 insertions, 87 deletions

diff --git a/clang/lib/AST/Interp/Block.cpp b/clang/lib/AST/Interp/Block.cpp
deleted file mode 100644
index 5fc93eb39f4..00000000000
--- a/clang/lib/AST/Interp/Block.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-//===--- Block.cpp - Allocated blocks for the interpreter -------*- 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
-//
-//===----------------------------------------------------------------------===//
-//
-// Defines the classes describing allocated blocks.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Block.h"
-#include "Pointer.h"
-
-using namespace clang;
-using namespace clang::interp;
-
-
-
-void Block::addPointer(Pointer *P) {
-  if (IsStatic)
-    return;
-  if (Pointers)
-    Pointers->Prev = P;
-  P->Next = Pointers;
-  P->Prev = nullptr;
-  Pointers = P;
-}
-
-void Block::removePointer(Pointer *P) {
-  if (IsStatic)
-    return;
-  if (Pointers == P)
-    Pointers = P->Next;
-  if (P->Prev)
-    P->Prev->Next = P->Next;
-  if (P->Next)
-    P->Next->Prev = P->Prev;
-}
-
-void Block::cleanup() {
-  if (Pointers == nullptr && IsDead)
-    (reinterpret_cast<DeadBlock *>(this + 1) - 1)->free();
-}
-
-void Block::movePointer(Pointer *From, Pointer *To) {
-  if (IsStatic)
-    return;
-  To->Prev = From->Prev;
-  if (To->Prev)
-    To->Prev->Next = To;
-  To->Next = From->Next;
-  if (To->Next)
-    To->Next->Prev = To;
-  if (Pointers == From)
-    Pointers = To;
-
-  From->Prev = nullptr;
-  From->Next = nullptr;
-}
-
-DeadBlock::DeadBlock(DeadBlock *&Root, Block *Blk)
-    : Root(Root), B(Blk->Desc, Blk->IsStatic, Blk->IsExtern, /*isDead=*/true) {
-  // Add the block to the chain of dead blocks.
-  if (Root)
-    Root->Prev = this;
-
-  Next = Root;
-  Prev = nullptr;
-  Root = this;
-
-  // Transfer pointers.
-  B.Pointers = Blk->Pointers;
-  for (Pointer *P = Blk->Pointers; P; P = P->Next)
-    P->Pointee = &B;
-}
-
-void DeadBlock::free() {
-  if (Prev)
-    Prev->Next = Next;
-  if (Next)
-    Next->Prev = Prev;
-  if (Root == this)
-    Root = Next;
-  ::free(this);
-}