Reverts commit r301424, r301425 and r301426

Commits were:

"Use WeakVH instead of WeakTrackingVH in AliasSetTracker's UnkownInsts"
"Add a new WeakVH value handle; NFC"
"Rename WeakVH to WeakTrackingVH; NFC"

The changes assumed pointers are 8 byte aligned on all architectures.

llvm-svn: 301429

2 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/Bitcode/Reader/ValueList.cpp b/llvm/lib/Bitcode/Reader/ValueList.cpp
index d1a2a11bbfa..7152a51cea6 100644
--- a/llvm/lib/Bitcode/Reader/ValueList.cpp
+++ b/llvm/lib/Bitcode/Reader/ValueList.cpp
@@ -58,7 +58,7 @@ void BitcodeReaderValueList::assignValue(Value *V, unsigned Idx) {
   if (Idx >= size())
     resize(Idx + 1);
 
-  WeakTrackingVH &OldV = ValuePtrs[Idx];
+  WeakVH &OldV = ValuePtrs[Idx];
   if (!OldV) {
     OldV = V;
     return;
diff --git a/llvm/lib/Bitcode/Reader/ValueList.h b/llvm/lib/Bitcode/Reader/ValueList.h
index 72775a3cf3b..3119d7735e2 100644
--- a/llvm/lib/Bitcode/Reader/ValueList.h
+++ b/llvm/lib/Bitcode/Reader/ValueList.h
@@ -20,7 +20,7 @@ namespace llvm {
 class Constant;
 
 class BitcodeReaderValueList {
-  std::vector<WeakTrackingVH> ValuePtrs;
+  std::vector<WeakVH> ValuePtrs;
 
   /// As we resolve forward-referenced constants, we add information about them
   /// to this vector.  This allows us to resolve them in bulk instead of