ProgramPoint now takes the space of two pointers instead of one. This change was

motivated because it became clear that the number of subclasses of ProgramPoint
would expand and we ran out of bits to represent a pointer variant. As a plus of
this change, BlockEdge program points can now be represented explicitly without
using a cache of CFGBlock* pairs in CFG.

llvm-svn: 56245

1 files changed, 0 insertions, 64 deletions

diff --git a/clang/lib/Analysis/ProgramPoint.cpp b/clang/lib/Analysis/ProgramPoint.cpp
deleted file mode 100644
index d95680ff389..00000000000
--- a/clang/lib/Analysis/ProgramPoint.cpp
+++ /dev/null
@@ -1,64 +0,0 @@
-//= ProgramPoint.cpp - Program Points for Path-Sensitive Analysis --*- C++ -*-//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  This file implements methods for subclasses of ProgramPoint.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/AST/CFG.h"
-#include "clang/Analysis/ProgramPoint.h"
-
-using namespace clang;
-
-BlockEdge::BlockEdge(CFG& cfg, const CFGBlock* B1, const CFGBlock* B2) {    
-  if (B1->succ_size() == 1) {
-    assert (*(B1->succ_begin()) == B2);
-    setRawData(B1, BlockEdgeSrcKind);
-  }
-  else if (B2->pred_size() == 1) {
-    assert (*(B2->pred_begin()) == B1);
-    setRawData(B2, BlockEdgeDstKind);
-  }
-  else 
-    setRawData(cfg.getBlockEdgeImpl(B1,B2), BlockEdgeAuxKind);
-}
-
-CFGBlock* BlockEdge::getSrc() const {
-  switch (getKind()) {
-    default:
-      assert (false && "Invalid BlockEdgeKind.");
-      return NULL;
-      
-    case BlockEdgeSrcKind:
-      return reinterpret_cast<CFGBlock*>(getRawPtr());
-      
-    case BlockEdgeDstKind:
-      return *(reinterpret_cast<CFGBlock*>(getRawPtr())->pred_begin());        
-      
-    case BlockEdgeAuxKind:
-      return reinterpret_cast<BPair*>(getRawPtr())->first;
-  }
-}
-
-CFGBlock* BlockEdge::getDst() const {
-  switch (getKind()) {
-    default:
-      assert (false && "Invalid BlockEdgeKind.");
-      return NULL;
-      
-    case BlockEdgeSrcKind:
-      return *(reinterpret_cast<CFGBlock*>(getRawPtr())->succ_begin());
-      
-    case BlockEdgeDstKind:
-      return reinterpret_cast<CFGBlock*>(getRawPtr());
-      
-    case BlockEdgeAuxKind:
-      return reinterpret_cast<BPair*>(getRawPtr())->second;
-  }
-}