Eliminated the MemAccessInst class, folding contents into GEP class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3487 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/InstrSelection/InstrForest.cpp b/lib/CodeGen/InstrSelection/InstrForest.cpp
index eb9e7f9..91956f5 100644
--- a/lib/CodeGen/InstrSelection/InstrForest.cpp
+++ b/lib/CodeGen/InstrSelection/InstrForest.cpp
@@ -67,11 +67,10 @@
     {
       opLabel = AllocaN;		 // Alloca(ptr, N) operation
     }
-  else if ((opLabel == Instruction::Load ||
-	    opLabel == Instruction::GetElementPtr) &&
-	   cast<MemAccessInst>(I)->hasIndices())
+  else if (opLabel == Instruction::GetElementPtr &&
+	   cast<GetElementPtrInst>(I)->hasIndices())
     {
-      opLabel = opLabel + 100;		 // load/getElem with index vector
+      opLabel = opLabel + 100;		 // getElem with index vector
     }
   else if (opLabel == Instruction::Xor &&
            BinaryOperator::isNot(I))
diff --git a/lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp b/lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp
index 914fec3..294fdae 100644
--- a/lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp
+++ b/lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp
@@ -111,8 +111,8 @@
 FoldGetElemChain(const InstructionNode* getElemInstrNode,
 		 vector<Value*>& chainIdxVec)
 {
-  MemAccessInst* getElemInst = (MemAccessInst*)
-    getElemInstrNode->getInstruction();
+  GetElementPtrInst* getElemInst =
+    cast<GetElementPtrInst>(getElemInstrNode->getInstruction());
   
   // Return NULL if we don't fold any instructions in.
   Value* ptrVal = NULL;
@@ -128,9 +128,9 @@
 	 ptrChild->getOpLabel() == GetElemPtrIdx)
     {
       // Child is a GetElemPtr instruction
-      getElemInst = cast<MemAccessInst>(ptrChild->getValue());
-      MemAccessInst::op_iterator OI, firstIdx = getElemInst->idx_begin();
-      MemAccessInst::op_iterator lastIdx = getElemInst->idx_end();
+      getElemInst = cast<GetElementPtrInst>(ptrChild->getValue());
+      User::op_iterator OI, firstIdx = getElemInst->idx_begin();
+      User::op_iterator lastIdx = getElemInst->idx_end();
       bool allConstantOffsets = true;
 
       // Check that all offsets are constant for this instruction