Revert Christopher Lamb's load/store alignment changes.

llvm-svn: 36309

1 files changed, 3 insertions, 21 deletions

diff --git a/llvm/lib/Bytecode/Reader/Reader.cpp b/llvm/lib/Bytecode/Reader/Reader.cpp
index 59c69d7c496..49792693dcc 100644
--- a/llvm/lib/Bytecode/Reader/Reader.cpp
+++ b/llvm/lib/Bytecode/Reader/Reader.cpp
@@ -831,31 +831,13 @@ void BytecodeReader::ParseInstruction(SmallVector<unsigned, 8> &Oprnds,
                                      &Idx[0], Idx.size());
       break;
     }
-    case 62: {   // attributed load
-        if (Oprnds.size() != 2 || !isa<PointerType>(InstTy))
-          error("Invalid attributed load instruction!");
-        signed Log2AlignVal = ((Oprnds[1]>>1)-1);
-        Result = new LoadInst(getValue(iType, Oprnds[0]), "", (Oprnds[1] & 1),
-                              ((Log2AlignVal < 0) ? 0 : 1<<Log2AlignVal));
-        break;
-      }
+    case 62:   // volatile load
     case Instruction::Load:
       if (Oprnds.size() != 1 || !isa<PointerType>(InstTy))
         error("Invalid load instruction!");
-      Result = new LoadInst(getValue(iType, Oprnds[0]), "");
+      Result = new LoadInst(getValue(iType, Oprnds[0]), "", Opcode == 62);
       break;
-    case 63: {   // attributed store
-        if (!isa<PointerType>(InstTy) || Oprnds.size() != 3)
-          error("Invalid store instruction!");
-
-        Value *Ptr = getValue(iType, Oprnds[1]);
-        const Type *ValTy = cast<PointerType>(Ptr->getType())->getElementType();
-        signed Log2AlignVal = ((Oprnds[2]>>1)-1);
-        Result = new StoreInst(getValue(getTypeSlot(ValTy), Oprnds[0]), Ptr,
-                               (Oprnds[2] & 1), 
-                               ((Log2AlignVal < 0) ? 0 : 1<<Log2AlignVal));
-        break;
-      }
+    case 63:   // volatile store
     case Instruction::Store: {
       if (!isa<PointerType>(InstTy) || Oprnds.size() != 2)
         error("Invalid store instruction!");