Clean up the atomic opcodes in SelectionDAG.

This removes all the _8, _16, _32, and _64 opcodes and replaces each
group with an unsuffixed opcode. The MemoryVT field of the AtomicSDNode
is now used to carry the size information. In tablegen, the size-specific
opcodes are replaced by size-independent opcodes that utilize the
ability to compose them with predicates.

This shrinks the per-opcode tables and makes the code that handles
atomics much more concise.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61389 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 4a2af06..d79f6bb 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1403,10 +1403,7 @@
     break;
   }
 
-  case ISD::ATOMIC_CMP_SWAP_8:
-  case ISD::ATOMIC_CMP_SWAP_16:
-  case ISD::ATOMIC_CMP_SWAP_32:
-  case ISD::ATOMIC_CMP_SWAP_64: {
+  case ISD::ATOMIC_CMP_SWAP: {
     unsigned int num_operands = 4;
     assert(Node->getNumOperands() == num_operands && "Invalid Atomic node!");
     SDValue Ops[4];
@@ -1426,50 +1423,17 @@
     AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1));
     return Result.getValue(Op.getResNo());
   }
-  case ISD::ATOMIC_LOAD_ADD_8:
-  case ISD::ATOMIC_LOAD_SUB_8:
-  case ISD::ATOMIC_LOAD_AND_8:
-  case ISD::ATOMIC_LOAD_OR_8:
-  case ISD::ATOMIC_LOAD_XOR_8:
-  case ISD::ATOMIC_LOAD_NAND_8:
-  case ISD::ATOMIC_LOAD_MIN_8:
-  case ISD::ATOMIC_LOAD_MAX_8:
-  case ISD::ATOMIC_LOAD_UMIN_8:
-  case ISD::ATOMIC_LOAD_UMAX_8:
-  case ISD::ATOMIC_SWAP_8: 
-  case ISD::ATOMIC_LOAD_ADD_16:
-  case ISD::ATOMIC_LOAD_SUB_16:
-  case ISD::ATOMIC_LOAD_AND_16:
-  case ISD::ATOMIC_LOAD_OR_16:
-  case ISD::ATOMIC_LOAD_XOR_16:
-  case ISD::ATOMIC_LOAD_NAND_16:
-  case ISD::ATOMIC_LOAD_MIN_16:
-  case ISD::ATOMIC_LOAD_MAX_16:
-  case ISD::ATOMIC_LOAD_UMIN_16:
-  case ISD::ATOMIC_LOAD_UMAX_16:
-  case ISD::ATOMIC_SWAP_16:
-  case ISD::ATOMIC_LOAD_ADD_32:
-  case ISD::ATOMIC_LOAD_SUB_32:
-  case ISD::ATOMIC_LOAD_AND_32:
-  case ISD::ATOMIC_LOAD_OR_32:
-  case ISD::ATOMIC_LOAD_XOR_32:
-  case ISD::ATOMIC_LOAD_NAND_32:
-  case ISD::ATOMIC_LOAD_MIN_32:
-  case ISD::ATOMIC_LOAD_MAX_32:
-  case ISD::ATOMIC_LOAD_UMIN_32:
-  case ISD::ATOMIC_LOAD_UMAX_32:
-  case ISD::ATOMIC_SWAP_32:
-  case ISD::ATOMIC_LOAD_ADD_64:
-  case ISD::ATOMIC_LOAD_SUB_64:
-  case ISD::ATOMIC_LOAD_AND_64:
-  case ISD::ATOMIC_LOAD_OR_64:
-  case ISD::ATOMIC_LOAD_XOR_64:
-  case ISD::ATOMIC_LOAD_NAND_64:
-  case ISD::ATOMIC_LOAD_MIN_64:
-  case ISD::ATOMIC_LOAD_MAX_64:
-  case ISD::ATOMIC_LOAD_UMIN_64:
-  case ISD::ATOMIC_LOAD_UMAX_64:
-  case ISD::ATOMIC_SWAP_64: {
+  case ISD::ATOMIC_LOAD_ADD:
+  case ISD::ATOMIC_LOAD_SUB:
+  case ISD::ATOMIC_LOAD_AND:
+  case ISD::ATOMIC_LOAD_OR:
+  case ISD::ATOMIC_LOAD_XOR:
+  case ISD::ATOMIC_LOAD_NAND:
+  case ISD::ATOMIC_LOAD_MIN:
+  case ISD::ATOMIC_LOAD_MAX:
+  case ISD::ATOMIC_LOAD_UMIN:
+  case ISD::ATOMIC_LOAD_UMAX:
+  case ISD::ATOMIC_SWAP: {
     unsigned int num_operands = 3;
     assert(Node->getNumOperands() == num_operands && "Invalid Atomic node!");
     SDValue Ops[3];
@@ -4718,14 +4682,12 @@
     break;
   }
     
-  case ISD::ATOMIC_CMP_SWAP_8:
-  case ISD::ATOMIC_CMP_SWAP_16:
-  case ISD::ATOMIC_CMP_SWAP_32:
-  case ISD::ATOMIC_CMP_SWAP_64: {
+  case ISD::ATOMIC_CMP_SWAP: {
     AtomicSDNode* AtomNode = cast<AtomicSDNode>(Node);
     Tmp2 = PromoteOp(Node->getOperand(2));
     Tmp3 = PromoteOp(Node->getOperand(3));
-    Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getChain(), 
+    Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getMemoryVT(), 
+                           AtomNode->getChain(), 
                            AtomNode->getBasePtr(), Tmp2, Tmp3,
                            AtomNode->getSrcValue(),
                            AtomNode->getAlignment());
@@ -4733,53 +4695,21 @@
     AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1)));
     break;
   }
-  case ISD::ATOMIC_LOAD_ADD_8:
-  case ISD::ATOMIC_LOAD_SUB_8:
-  case ISD::ATOMIC_LOAD_AND_8:
-  case ISD::ATOMIC_LOAD_OR_8:
-  case ISD::ATOMIC_LOAD_XOR_8:
-  case ISD::ATOMIC_LOAD_NAND_8:
-  case ISD::ATOMIC_LOAD_MIN_8:
-  case ISD::ATOMIC_LOAD_MAX_8:
-  case ISD::ATOMIC_LOAD_UMIN_8:
-  case ISD::ATOMIC_LOAD_UMAX_8:
-  case ISD::ATOMIC_SWAP_8: 
-  case ISD::ATOMIC_LOAD_ADD_16:
-  case ISD::ATOMIC_LOAD_SUB_16:
-  case ISD::ATOMIC_LOAD_AND_16:
-  case ISD::ATOMIC_LOAD_OR_16:
-  case ISD::ATOMIC_LOAD_XOR_16:
-  case ISD::ATOMIC_LOAD_NAND_16:
-  case ISD::ATOMIC_LOAD_MIN_16:
-  case ISD::ATOMIC_LOAD_MAX_16:
-  case ISD::ATOMIC_LOAD_UMIN_16:
-  case ISD::ATOMIC_LOAD_UMAX_16:
-  case ISD::ATOMIC_SWAP_16:
-  case ISD::ATOMIC_LOAD_ADD_32:
-  case ISD::ATOMIC_LOAD_SUB_32:
-  case ISD::ATOMIC_LOAD_AND_32:
-  case ISD::ATOMIC_LOAD_OR_32:
-  case ISD::ATOMIC_LOAD_XOR_32:
-  case ISD::ATOMIC_LOAD_NAND_32:
-  case ISD::ATOMIC_LOAD_MIN_32:
-  case ISD::ATOMIC_LOAD_MAX_32:
-  case ISD::ATOMIC_LOAD_UMIN_32:
-  case ISD::ATOMIC_LOAD_UMAX_32:
-  case ISD::ATOMIC_SWAP_32:
-  case ISD::ATOMIC_LOAD_ADD_64:
-  case ISD::ATOMIC_LOAD_SUB_64:
-  case ISD::ATOMIC_LOAD_AND_64:
-  case ISD::ATOMIC_LOAD_OR_64:
-  case ISD::ATOMIC_LOAD_XOR_64:
-  case ISD::ATOMIC_LOAD_NAND_64:
-  case ISD::ATOMIC_LOAD_MIN_64:
-  case ISD::ATOMIC_LOAD_MAX_64:
-  case ISD::ATOMIC_LOAD_UMIN_64:
-  case ISD::ATOMIC_LOAD_UMAX_64:
-  case ISD::ATOMIC_SWAP_64: {
+  case ISD::ATOMIC_LOAD_ADD:
+  case ISD::ATOMIC_LOAD_SUB:
+  case ISD::ATOMIC_LOAD_AND:
+  case ISD::ATOMIC_LOAD_OR:
+  case ISD::ATOMIC_LOAD_XOR:
+  case ISD::ATOMIC_LOAD_NAND:
+  case ISD::ATOMIC_LOAD_MIN:
+  case ISD::ATOMIC_LOAD_MAX:
+  case ISD::ATOMIC_LOAD_UMIN:
+  case ISD::ATOMIC_LOAD_UMAX:
+  case ISD::ATOMIC_SWAP: {
     AtomicSDNode* AtomNode = cast<AtomicSDNode>(Node);
     Tmp2 = PromoteOp(Node->getOperand(2));
-    Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getChain(), 
+    Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getMemoryVT(),
+                           AtomNode->getChain(), 
                            AtomNode->getBasePtr(), Tmp2,
                            AtomNode->getSrcValue(),
                            AtomNode->getAlignment());
@@ -6769,7 +6699,7 @@
     break;
   }
 
-  case ISD::ATOMIC_CMP_SWAP_64: {
+  case ISD::ATOMIC_CMP_SWAP: {
     // This operation does not need a loop.
     SDValue Tmp = TLI.LowerOperation(Op, DAG);
     assert(Tmp.getNode() && "Node must be custom expanded!");
@@ -6779,13 +6709,13 @@
     break;
   }
 
-  case ISD::ATOMIC_LOAD_ADD_64:
-  case ISD::ATOMIC_LOAD_SUB_64:
-  case ISD::ATOMIC_LOAD_AND_64:
-  case ISD::ATOMIC_LOAD_OR_64:
-  case ISD::ATOMIC_LOAD_XOR_64:
-  case ISD::ATOMIC_LOAD_NAND_64:
-  case ISD::ATOMIC_SWAP_64: {
+  case ISD::ATOMIC_LOAD_ADD:
+  case ISD::ATOMIC_LOAD_SUB:
+  case ISD::ATOMIC_LOAD_AND:
+  case ISD::ATOMIC_LOAD_OR:
+  case ISD::ATOMIC_LOAD_XOR:
+  case ISD::ATOMIC_LOAD_NAND:
+  case ISD::ATOMIC_SWAP: {
     // These operations require a loop to be generated.  We can't do that yet,
     // so substitute a target-dependent pseudo and expand that later.
     SDValue In2Lo, In2Hi, In2;
@@ -6793,7 +6723,8 @@
     In2 = DAG.getNode(ISD::BUILD_PAIR, VT, In2Lo, In2Hi);
     AtomicSDNode* Anode = cast<AtomicSDNode>(Node);
     SDValue Replace = 
-      DAG.getAtomic(Op.getOpcode(), Op.getOperand(0), Op.getOperand(1), In2,
+      DAG.getAtomic(Op.getOpcode(), Anode->getMemoryVT(),
+                    Op.getOperand(0), Op.getOperand(1), In2,
                     Anode->getSrcValue(), Anode->getAlignment());
     SDValue Result = TLI.LowerOperation(Replace, DAG);
     ExpandOp(Result.getValue(0), Lo, Hi);
@@ -8318,54 +8249,18 @@
                          Node->getOperand(2));
     break;
   }
-  case ISD::ATOMIC_CMP_SWAP_8:
-  case ISD::ATOMIC_CMP_SWAP_16:
-  case ISD::ATOMIC_CMP_SWAP_32:
-  case ISD::ATOMIC_CMP_SWAP_64:
-  case ISD::ATOMIC_LOAD_ADD_8:
-  case ISD::ATOMIC_LOAD_SUB_8:
-  case ISD::ATOMIC_LOAD_AND_8:
-  case ISD::ATOMIC_LOAD_OR_8:
-  case ISD::ATOMIC_LOAD_XOR_8:
-  case ISD::ATOMIC_LOAD_NAND_8:
-  case ISD::ATOMIC_LOAD_MIN_8:
-  case ISD::ATOMIC_LOAD_MAX_8:
-  case ISD::ATOMIC_LOAD_UMIN_8:
-  case ISD::ATOMIC_LOAD_UMAX_8:
-  case ISD::ATOMIC_SWAP_8: 
-  case ISD::ATOMIC_LOAD_ADD_16:
-  case ISD::ATOMIC_LOAD_SUB_16:
-  case ISD::ATOMIC_LOAD_AND_16:
-  case ISD::ATOMIC_LOAD_OR_16:
-  case ISD::ATOMIC_LOAD_XOR_16:
-  case ISD::ATOMIC_LOAD_NAND_16:
-  case ISD::ATOMIC_LOAD_MIN_16:
-  case ISD::ATOMIC_LOAD_MAX_16:
-  case ISD::ATOMIC_LOAD_UMIN_16:
-  case ISD::ATOMIC_LOAD_UMAX_16:
-  case ISD::ATOMIC_SWAP_16:
-  case ISD::ATOMIC_LOAD_ADD_32:
-  case ISD::ATOMIC_LOAD_SUB_32:
-  case ISD::ATOMIC_LOAD_AND_32:
-  case ISD::ATOMIC_LOAD_OR_32:
-  case ISD::ATOMIC_LOAD_XOR_32:
-  case ISD::ATOMIC_LOAD_NAND_32:
-  case ISD::ATOMIC_LOAD_MIN_32:
-  case ISD::ATOMIC_LOAD_MAX_32:
-  case ISD::ATOMIC_LOAD_UMIN_32:
-  case ISD::ATOMIC_LOAD_UMAX_32:
-  case ISD::ATOMIC_SWAP_32:
-  case ISD::ATOMIC_LOAD_ADD_64:
-  case ISD::ATOMIC_LOAD_SUB_64:
-  case ISD::ATOMIC_LOAD_AND_64:
-  case ISD::ATOMIC_LOAD_OR_64:
-  case ISD::ATOMIC_LOAD_XOR_64:
-  case ISD::ATOMIC_LOAD_NAND_64:
-  case ISD::ATOMIC_LOAD_MIN_64:
-  case ISD::ATOMIC_LOAD_MAX_64:
-  case ISD::ATOMIC_LOAD_UMIN_64:
-  case ISD::ATOMIC_LOAD_UMAX_64:
-  case ISD::ATOMIC_SWAP_64: {
+  case ISD::ATOMIC_CMP_SWAP:
+  case ISD::ATOMIC_LOAD_ADD:
+  case ISD::ATOMIC_LOAD_SUB:
+  case ISD::ATOMIC_LOAD_AND:
+  case ISD::ATOMIC_LOAD_OR:
+  case ISD::ATOMIC_LOAD_XOR:
+  case ISD::ATOMIC_LOAD_NAND:
+  case ISD::ATOMIC_LOAD_MIN:
+  case ISD::ATOMIC_LOAD_MAX:
+  case ISD::ATOMIC_LOAD_UMIN:
+  case ISD::ATOMIC_LOAD_UMAX:
+  case ISD::ATOMIC_SWAP: {
     // For now, we assume that using vectors for these operations don't make
     // much sense so we just split it.  We return an empty result
     SDValue X, Y;
diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index 5f23677..7ae53eb 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -98,56 +98,20 @@
   case ISD::SMULO:
   case ISD::UMULO:       Result = PromoteIntRes_XMULO(N, ResNo); break;
 
-  case ISD::ATOMIC_LOAD_ADD_8:
-  case ISD::ATOMIC_LOAD_SUB_8:
-  case ISD::ATOMIC_LOAD_AND_8:
-  case ISD::ATOMIC_LOAD_OR_8:
-  case ISD::ATOMIC_LOAD_XOR_8:
-  case ISD::ATOMIC_LOAD_NAND_8:
-  case ISD::ATOMIC_LOAD_MIN_8:
-  case ISD::ATOMIC_LOAD_MAX_8:
-  case ISD::ATOMIC_LOAD_UMIN_8:
-  case ISD::ATOMIC_LOAD_UMAX_8:
-  case ISD::ATOMIC_SWAP_8:
-  case ISD::ATOMIC_LOAD_ADD_16:
-  case ISD::ATOMIC_LOAD_SUB_16:
-  case ISD::ATOMIC_LOAD_AND_16:
-  case ISD::ATOMIC_LOAD_OR_16:
-  case ISD::ATOMIC_LOAD_XOR_16:
-  case ISD::ATOMIC_LOAD_NAND_16:
-  case ISD::ATOMIC_LOAD_MIN_16:
-  case ISD::ATOMIC_LOAD_MAX_16:
-  case ISD::ATOMIC_LOAD_UMIN_16:
-  case ISD::ATOMIC_LOAD_UMAX_16:
-  case ISD::ATOMIC_SWAP_16:
-  case ISD::ATOMIC_LOAD_ADD_32:
-  case ISD::ATOMIC_LOAD_SUB_32:
-  case ISD::ATOMIC_LOAD_AND_32:
-  case ISD::ATOMIC_LOAD_OR_32:
-  case ISD::ATOMIC_LOAD_XOR_32:
-  case ISD::ATOMIC_LOAD_NAND_32:
-  case ISD::ATOMIC_LOAD_MIN_32:
-  case ISD::ATOMIC_LOAD_MAX_32:
-  case ISD::ATOMIC_LOAD_UMIN_32:
-  case ISD::ATOMIC_LOAD_UMAX_32:
-  case ISD::ATOMIC_SWAP_32:
-  case ISD::ATOMIC_LOAD_ADD_64:
-  case ISD::ATOMIC_LOAD_SUB_64:
-  case ISD::ATOMIC_LOAD_AND_64:
-  case ISD::ATOMIC_LOAD_OR_64:
-  case ISD::ATOMIC_LOAD_XOR_64:
-  case ISD::ATOMIC_LOAD_NAND_64:
-  case ISD::ATOMIC_LOAD_MIN_64:
-  case ISD::ATOMIC_LOAD_MAX_64:
-  case ISD::ATOMIC_LOAD_UMIN_64:
-  case ISD::ATOMIC_LOAD_UMAX_64:
-  case ISD::ATOMIC_SWAP_64:
+  case ISD::ATOMIC_LOAD_ADD:
+  case ISD::ATOMIC_LOAD_SUB:
+  case ISD::ATOMIC_LOAD_AND:
+  case ISD::ATOMIC_LOAD_OR:
+  case ISD::ATOMIC_LOAD_XOR:
+  case ISD::ATOMIC_LOAD_NAND:
+  case ISD::ATOMIC_LOAD_MIN:
+  case ISD::ATOMIC_LOAD_MAX:
+  case ISD::ATOMIC_LOAD_UMIN:
+  case ISD::ATOMIC_LOAD_UMAX:
+  case ISD::ATOMIC_SWAP:
     Result = PromoteIntRes_Atomic1(cast<AtomicSDNode>(N)); break;
 
-  case ISD::ATOMIC_CMP_SWAP_8:
-  case ISD::ATOMIC_CMP_SWAP_16:
-  case ISD::ATOMIC_CMP_SWAP_32:
-  case ISD::ATOMIC_CMP_SWAP_64:
+  case ISD::ATOMIC_CMP_SWAP:
     Result = PromoteIntRes_Atomic2(cast<AtomicSDNode>(N)); break;
   }
 
@@ -170,7 +134,8 @@
 
 SDValue DAGTypeLegalizer::PromoteIntRes_Atomic1(AtomicSDNode *N) {
   SDValue Op2 = GetPromotedInteger(N->getOperand(2));
-  SDValue Res = DAG.getAtomic(N->getOpcode(), N->getChain(), N->getBasePtr(),
+  SDValue Res = DAG.getAtomic(N->getOpcode(), N->getMemoryVT(),
+                              N->getChain(), N->getBasePtr(),
                               Op2, N->getSrcValue(), N->getAlignment());
   // Legalized the chain result - switch anything that used the old chain to
   // use the new one.
@@ -181,7 +146,8 @@
 SDValue DAGTypeLegalizer::PromoteIntRes_Atomic2(AtomicSDNode *N) {
   SDValue Op2 = GetPromotedInteger(N->getOperand(2));
   SDValue Op3 = GetPromotedInteger(N->getOperand(3));
-  SDValue Res = DAG.getAtomic(N->getOpcode(), N->getChain(), N->getBasePtr(),
+  SDValue Res = DAG.getAtomic(N->getOpcode(), N->getMemoryVT(),
+                              N->getChain(), N->getBasePtr(),
                               Op2, Op3, N->getSrcValue(), N->getAlignment());
   // Legalized the chain result - switch anything that used the old chain to
   // use the new one.
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 33eddae..5da693c 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -442,54 +442,18 @@
     ID.AddInteger(ST->getRawFlags());
     break;
   }
-  case ISD::ATOMIC_CMP_SWAP_8:
-  case ISD::ATOMIC_SWAP_8:
-  case ISD::ATOMIC_LOAD_ADD_8:
-  case ISD::ATOMIC_LOAD_SUB_8:
-  case ISD::ATOMIC_LOAD_AND_8:
-  case ISD::ATOMIC_LOAD_OR_8:
-  case ISD::ATOMIC_LOAD_XOR_8:
-  case ISD::ATOMIC_LOAD_NAND_8:
-  case ISD::ATOMIC_LOAD_MIN_8:
-  case ISD::ATOMIC_LOAD_MAX_8:
-  case ISD::ATOMIC_LOAD_UMIN_8:
-  case ISD::ATOMIC_LOAD_UMAX_8: 
-  case ISD::ATOMIC_CMP_SWAP_16:
-  case ISD::ATOMIC_SWAP_16:
-  case ISD::ATOMIC_LOAD_ADD_16:
-  case ISD::ATOMIC_LOAD_SUB_16:
-  case ISD::ATOMIC_LOAD_AND_16:
-  case ISD::ATOMIC_LOAD_OR_16:
-  case ISD::ATOMIC_LOAD_XOR_16:
-  case ISD::ATOMIC_LOAD_NAND_16:
-  case ISD::ATOMIC_LOAD_MIN_16:
-  case ISD::ATOMIC_LOAD_MAX_16:
-  case ISD::ATOMIC_LOAD_UMIN_16:
-  case ISD::ATOMIC_LOAD_UMAX_16: 
-  case ISD::ATOMIC_CMP_SWAP_32:
-  case ISD::ATOMIC_SWAP_32:
-  case ISD::ATOMIC_LOAD_ADD_32:
-  case ISD::ATOMIC_LOAD_SUB_32:
-  case ISD::ATOMIC_LOAD_AND_32:
-  case ISD::ATOMIC_LOAD_OR_32:
-  case ISD::ATOMIC_LOAD_XOR_32:
-  case ISD::ATOMIC_LOAD_NAND_32:
-  case ISD::ATOMIC_LOAD_MIN_32:
-  case ISD::ATOMIC_LOAD_MAX_32:
-  case ISD::ATOMIC_LOAD_UMIN_32:
-  case ISD::ATOMIC_LOAD_UMAX_32: 
-  case ISD::ATOMIC_CMP_SWAP_64:
-  case ISD::ATOMIC_SWAP_64:
-  case ISD::ATOMIC_LOAD_ADD_64:
-  case ISD::ATOMIC_LOAD_SUB_64:
-  case ISD::ATOMIC_LOAD_AND_64:
-  case ISD::ATOMIC_LOAD_OR_64:
-  case ISD::ATOMIC_LOAD_XOR_64:
-  case ISD::ATOMIC_LOAD_NAND_64:
-  case ISD::ATOMIC_LOAD_MIN_64:
-  case ISD::ATOMIC_LOAD_MAX_64:
-  case ISD::ATOMIC_LOAD_UMIN_64:
-  case ISD::ATOMIC_LOAD_UMAX_64: {
+  case ISD::ATOMIC_CMP_SWAP:
+  case ISD::ATOMIC_SWAP:
+  case ISD::ATOMIC_LOAD_ADD:
+  case ISD::ATOMIC_LOAD_SUB:
+  case ISD::ATOMIC_LOAD_AND:
+  case ISD::ATOMIC_LOAD_OR:
+  case ISD::ATOMIC_LOAD_XOR:
+  case ISD::ATOMIC_LOAD_NAND:
+  case ISD::ATOMIC_LOAD_MIN:
+  case ISD::ATOMIC_LOAD_MAX:
+  case ISD::ATOMIC_LOAD_UMIN:
+  case ISD::ATOMIC_LOAD_UMAX: {
     const AtomicSDNode *AT = cast<AtomicSDNode>(N);
     ID.AddInteger(AT->getRawFlags());
     break;
@@ -3287,20 +3251,18 @@
   return CallResult.second;
 }
 
-SDValue SelectionDAG::getAtomic(unsigned Opcode, SDValue Chain, 
+SDValue SelectionDAG::getAtomic(unsigned Opcode, MVT MemVT,
+                                SDValue Chain,
                                 SDValue Ptr, SDValue Cmp, 
                                 SDValue Swp, const Value* PtrVal,
                                 unsigned Alignment) {
-  assert((Opcode == ISD::ATOMIC_CMP_SWAP_8  ||
-          Opcode == ISD::ATOMIC_CMP_SWAP_16 ||
-          Opcode == ISD::ATOMIC_CMP_SWAP_32 ||
-          Opcode == ISD::ATOMIC_CMP_SWAP_64) && "Invalid Atomic Op");
+  assert(Opcode == ISD::ATOMIC_CMP_SWAP && "Invalid Atomic Op");
   assert(Cmp.getValueType() == Swp.getValueType() && "Invalid Atomic Op Types");
 
   MVT VT = Cmp.getValueType();
 
   if (Alignment == 0)  // Ensure that codegen never sees alignment 0
-    Alignment = getMVTAlignment(VT);
+    Alignment = getMVTAlignment(MemVT);
 
   SDVTList VTs = getVTList(VT, MVT::Other);
   FoldingSetNodeID ID;
@@ -3310,65 +3272,35 @@
   if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
     return SDValue(E, 0);
   SDNode* N = NodeAllocator.Allocate<AtomicSDNode>();
-  new (N) AtomicSDNode(Opcode, VTs, Chain, Ptr, Cmp, Swp, PtrVal, Alignment);
+  new (N) AtomicSDNode(Opcode, VTs, MemVT,
+                       Chain, Ptr, Cmp, Swp, PtrVal, Alignment);
   CSEMap.InsertNode(N, IP);
   AllNodes.push_back(N);
   return SDValue(N, 0);
 }
 
-SDValue SelectionDAG::getAtomic(unsigned Opcode, SDValue Chain, 
+SDValue SelectionDAG::getAtomic(unsigned Opcode, MVT MemVT,
+                                SDValue Chain,
                                 SDValue Ptr, SDValue Val, 
                                 const Value* PtrVal,
                                 unsigned Alignment) {
-  assert((Opcode == ISD::ATOMIC_LOAD_ADD_8 ||
-          Opcode == ISD::ATOMIC_LOAD_SUB_8 ||
-          Opcode == ISD::ATOMIC_LOAD_AND_8 ||
-          Opcode == ISD::ATOMIC_LOAD_OR_8 ||
-          Opcode == ISD::ATOMIC_LOAD_XOR_8 ||
-          Opcode == ISD::ATOMIC_LOAD_NAND_8 ||
-          Opcode == ISD::ATOMIC_LOAD_MIN_8 || 
-          Opcode == ISD::ATOMIC_LOAD_MAX_8 ||
-          Opcode == ISD::ATOMIC_LOAD_UMIN_8 || 
-          Opcode == ISD::ATOMIC_LOAD_UMAX_8 ||
-          Opcode == ISD::ATOMIC_SWAP_8 || 
-          Opcode == ISD::ATOMIC_LOAD_ADD_16 ||
-          Opcode == ISD::ATOMIC_LOAD_SUB_16 ||
-          Opcode == ISD::ATOMIC_LOAD_AND_16 ||
-          Opcode == ISD::ATOMIC_LOAD_OR_16 ||
-          Opcode == ISD::ATOMIC_LOAD_XOR_16 ||
-          Opcode == ISD::ATOMIC_LOAD_NAND_16 ||
-          Opcode == ISD::ATOMIC_LOAD_MIN_16 || 
-          Opcode == ISD::ATOMIC_LOAD_MAX_16 ||
-          Opcode == ISD::ATOMIC_LOAD_UMIN_16 || 
-          Opcode == ISD::ATOMIC_LOAD_UMAX_16 ||
-          Opcode == ISD::ATOMIC_SWAP_16 || 
-          Opcode == ISD::ATOMIC_LOAD_ADD_32 ||
-          Opcode == ISD::ATOMIC_LOAD_SUB_32 ||
-          Opcode == ISD::ATOMIC_LOAD_AND_32 ||
-          Opcode == ISD::ATOMIC_LOAD_OR_32 ||
-          Opcode == ISD::ATOMIC_LOAD_XOR_32 ||
-          Opcode == ISD::ATOMIC_LOAD_NAND_32 ||
-          Opcode == ISD::ATOMIC_LOAD_MIN_32 || 
-          Opcode == ISD::ATOMIC_LOAD_MAX_32 ||
-          Opcode == ISD::ATOMIC_LOAD_UMIN_32 || 
-          Opcode == ISD::ATOMIC_LOAD_UMAX_32 ||
-          Opcode == ISD::ATOMIC_SWAP_32 || 
-          Opcode == ISD::ATOMIC_LOAD_ADD_64 ||
-          Opcode == ISD::ATOMIC_LOAD_SUB_64 ||
-          Opcode == ISD::ATOMIC_LOAD_AND_64 ||
-          Opcode == ISD::ATOMIC_LOAD_OR_64 ||
-          Opcode == ISD::ATOMIC_LOAD_XOR_64 ||
-          Opcode == ISD::ATOMIC_LOAD_NAND_64 ||
-          Opcode == ISD::ATOMIC_LOAD_MIN_64 || 
-          Opcode == ISD::ATOMIC_LOAD_MAX_64 ||
-          Opcode == ISD::ATOMIC_LOAD_UMIN_64 || 
-          Opcode == ISD::ATOMIC_LOAD_UMAX_64 ||
-          Opcode == ISD::ATOMIC_SWAP_64)        && "Invalid Atomic Op");
+  assert((Opcode == ISD::ATOMIC_LOAD_ADD ||
+          Opcode == ISD::ATOMIC_LOAD_SUB ||
+          Opcode == ISD::ATOMIC_LOAD_AND ||
+          Opcode == ISD::ATOMIC_LOAD_OR ||
+          Opcode == ISD::ATOMIC_LOAD_XOR ||
+          Opcode == ISD::ATOMIC_LOAD_NAND ||
+          Opcode == ISD::ATOMIC_LOAD_MIN || 
+          Opcode == ISD::ATOMIC_LOAD_MAX ||
+          Opcode == ISD::ATOMIC_LOAD_UMIN || 
+          Opcode == ISD::ATOMIC_LOAD_UMAX ||
+          Opcode == ISD::ATOMIC_SWAP) &&
+         "Invalid Atomic Op");
 
   MVT VT = Val.getValueType();
 
   if (Alignment == 0)  // Ensure that codegen never sees alignment 0
-    Alignment = getMVTAlignment(VT);
+    Alignment = getMVTAlignment(MemVT);
 
   SDVTList VTs = getVTList(VT, MVT::Other);
   FoldingSetNodeID ID;
@@ -3378,7 +3310,8 @@
   if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
     return SDValue(E, 0);
   SDNode* N = NodeAllocator.Allocate<AtomicSDNode>();
-  new (N) AtomicSDNode(Opcode, VTs, Chain, Ptr, Val, PtrVal, Alignment);
+  new (N) AtomicSDNode(Opcode, VTs, MemVT,
+                       Chain, Ptr, Val, PtrVal, Alignment);
   CSEMap.InsertNode(N, IP);
   AllNodes.push_back(N);
   return SDValue(N, 0);
@@ -5060,54 +4993,18 @@
 #endif
   case ISD::PREFETCH:      return "Prefetch";
   case ISD::MEMBARRIER:    return "MemBarrier";
-  case ISD::ATOMIC_CMP_SWAP_8:  return "AtomicCmpSwap8";
-  case ISD::ATOMIC_SWAP_8:      return "AtomicSwap8";
-  case ISD::ATOMIC_LOAD_ADD_8:  return "AtomicLoadAdd8";
-  case ISD::ATOMIC_LOAD_SUB_8:  return "AtomicLoadSub8";
-  case ISD::ATOMIC_LOAD_AND_8:  return "AtomicLoadAnd8";
-  case ISD::ATOMIC_LOAD_OR_8:   return "AtomicLoadOr8";
-  case ISD::ATOMIC_LOAD_XOR_8:  return "AtomicLoadXor8";
-  case ISD::ATOMIC_LOAD_NAND_8: return "AtomicLoadNand8";
-  case ISD::ATOMIC_LOAD_MIN_8:  return "AtomicLoadMin8";
-  case ISD::ATOMIC_LOAD_MAX_8:  return "AtomicLoadMax8";
-  case ISD::ATOMIC_LOAD_UMIN_8: return "AtomicLoadUMin8";
-  case ISD::ATOMIC_LOAD_UMAX_8: return "AtomicLoadUMax8";
-  case ISD::ATOMIC_CMP_SWAP_16:  return "AtomicCmpSwap16";
-  case ISD::ATOMIC_SWAP_16:      return "AtomicSwap16";
-  case ISD::ATOMIC_LOAD_ADD_16:  return "AtomicLoadAdd16";
-  case ISD::ATOMIC_LOAD_SUB_16:  return "AtomicLoadSub16";
-  case ISD::ATOMIC_LOAD_AND_16:  return "AtomicLoadAnd16";
-  case ISD::ATOMIC_LOAD_OR_16:   return "AtomicLoadOr16";
-  case ISD::ATOMIC_LOAD_XOR_16:  return "AtomicLoadXor16";
-  case ISD::ATOMIC_LOAD_NAND_16: return "AtomicLoadNand16";
-  case ISD::ATOMIC_LOAD_MIN_16:  return "AtomicLoadMin16";
-  case ISD::ATOMIC_LOAD_MAX_16:  return "AtomicLoadMax16";
-  case ISD::ATOMIC_LOAD_UMIN_16: return "AtomicLoadUMin16";
-  case ISD::ATOMIC_LOAD_UMAX_16: return "AtomicLoadUMax16";
-  case ISD::ATOMIC_CMP_SWAP_32:  return "AtomicCmpSwap32";
-  case ISD::ATOMIC_SWAP_32:      return "AtomicSwap32";
-  case ISD::ATOMIC_LOAD_ADD_32:  return "AtomicLoadAdd32";
-  case ISD::ATOMIC_LOAD_SUB_32:  return "AtomicLoadSub32";
-  case ISD::ATOMIC_LOAD_AND_32:  return "AtomicLoadAnd32";
-  case ISD::ATOMIC_LOAD_OR_32:   return "AtomicLoadOr32";
-  case ISD::ATOMIC_LOAD_XOR_32:  return "AtomicLoadXor32";
-  case ISD::ATOMIC_LOAD_NAND_32: return "AtomicLoadNand32";
-  case ISD::ATOMIC_LOAD_MIN_32:  return "AtomicLoadMin32";
-  case ISD::ATOMIC_LOAD_MAX_32:  return "AtomicLoadMax32";
-  case ISD::ATOMIC_LOAD_UMIN_32: return "AtomicLoadUMin32";
-  case ISD::ATOMIC_LOAD_UMAX_32: return "AtomicLoadUMax32";
-  case ISD::ATOMIC_CMP_SWAP_64:  return "AtomicCmpSwap64";
-  case ISD::ATOMIC_SWAP_64:      return "AtomicSwap64";
-  case ISD::ATOMIC_LOAD_ADD_64:  return "AtomicLoadAdd64";
-  case ISD::ATOMIC_LOAD_SUB_64:  return "AtomicLoadSub64";
-  case ISD::ATOMIC_LOAD_AND_64:  return "AtomicLoadAnd64";
-  case ISD::ATOMIC_LOAD_OR_64:   return "AtomicLoadOr64";
-  case ISD::ATOMIC_LOAD_XOR_64:  return "AtomicLoadXor64";
-  case ISD::ATOMIC_LOAD_NAND_64: return "AtomicLoadNand64";
-  case ISD::ATOMIC_LOAD_MIN_64:  return "AtomicLoadMin64";
-  case ISD::ATOMIC_LOAD_MAX_64:  return "AtomicLoadMax64";
-  case ISD::ATOMIC_LOAD_UMIN_64: return "AtomicLoadUMin64";
-  case ISD::ATOMIC_LOAD_UMAX_64: return "AtomicLoadUMax64";
+  case ISD::ATOMIC_CMP_SWAP:    return "AtomicCmpSwap";
+  case ISD::ATOMIC_SWAP:        return "AtomicSwap";
+  case ISD::ATOMIC_LOAD_ADD:    return "AtomicLoadAdd";
+  case ISD::ATOMIC_LOAD_SUB:    return "AtomicLoadSub";
+  case ISD::ATOMIC_LOAD_AND:    return "AtomicLoadAnd";
+  case ISD::ATOMIC_LOAD_OR:     return "AtomicLoadOr";
+  case ISD::ATOMIC_LOAD_XOR:    return "AtomicLoadXor";
+  case ISD::ATOMIC_LOAD_NAND:   return "AtomicLoadNand";
+  case ISD::ATOMIC_LOAD_MIN:    return "AtomicLoadMin";
+  case ISD::ATOMIC_LOAD_MAX:    return "AtomicLoadMax";
+  case ISD::ATOMIC_LOAD_UMIN:   return "AtomicLoadUMin";
+  case ISD::ATOMIC_LOAD_UMAX:   return "AtomicLoadUMax";
   case ISD::PCMARKER:      return "PCMarker";
   case ISD::READCYCLECOUNTER: return "ReadCycleCounter";
   case ISD::SRCVALUE:      return "SrcValue";
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index 853e054..920cca4 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -2959,10 +2959,12 @@
 const char *
 SelectionDAGLowering::implVisitBinaryAtomic(CallInst& I, ISD::NodeType Op) {
   SDValue Root = getRoot();   
-  SDValue L = DAG.getAtomic(Op, Root, 
-                            getValue(I.getOperand(1)), 
-                            getValue(I.getOperand(2)),
-                            I.getOperand(1));
+  SDValue L =
+    DAG.getAtomic(Op, getValue(I.getOperand(2)).getValueType().getSimpleVT(),
+                  Root,
+                  getValue(I.getOperand(1)), 
+                  getValue(I.getOperand(2)),
+                  I.getOperand(1));
   setValue(&I, L);
   DAG.setRoot(L.getValue(1));
   return 0;
@@ -4145,198 +4147,40 @@
   }
   case Intrinsic::atomic_cmp_swap: {
     SDValue Root = getRoot();   
-    SDValue L;
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        L = DAG.getAtomic(ISD::ATOMIC_CMP_SWAP_8, Root, 
-                          getValue(I.getOperand(1)), 
-                          getValue(I.getOperand(2)),
-                          getValue(I.getOperand(3)),
-                          I.getOperand(1));
-        break;
-      case MVT::i16:
-        L = DAG.getAtomic(ISD::ATOMIC_CMP_SWAP_16, Root, 
-                          getValue(I.getOperand(1)), 
-                          getValue(I.getOperand(2)),
-                          getValue(I.getOperand(3)),
-                          I.getOperand(1));
-        break;
-      case MVT::i32:
-        L = DAG.getAtomic(ISD::ATOMIC_CMP_SWAP_32, Root, 
-                          getValue(I.getOperand(1)), 
-                          getValue(I.getOperand(2)),
-                          getValue(I.getOperand(3)),
-                          I.getOperand(1));
-        break;
-      case MVT::i64:
-        L = DAG.getAtomic(ISD::ATOMIC_CMP_SWAP_64, Root, 
-                          getValue(I.getOperand(1)), 
-                          getValue(I.getOperand(2)),
-                          getValue(I.getOperand(3)),
-                          I.getOperand(1));
-        break;
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    SDValue L =
+      DAG.getAtomic(ISD::ATOMIC_CMP_SWAP,
+                    getValue(I.getOperand(2)).getValueType().getSimpleVT(),
+                    Root,
+                    getValue(I.getOperand(1)), 
+                    getValue(I.getOperand(2)),
+                    getValue(I.getOperand(3)),
+                    I.getOperand(1));
     setValue(&I, L);
     DAG.setRoot(L.getValue(1));
     return 0;
   }
   case Intrinsic::atomic_load_add:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_ADD_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_ADD_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_ADD_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_ADD_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_ADD);
   case Intrinsic::atomic_load_sub:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_SUB_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_SUB_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_SUB_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_SUB_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_SUB);
   case Intrinsic::atomic_load_or:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_OR_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_OR_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_OR_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_OR_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_OR);
   case Intrinsic::atomic_load_xor:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_XOR_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_XOR_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_XOR_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_XOR_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_XOR);
   case Intrinsic::atomic_load_and:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_AND_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_AND_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_AND_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_AND_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_AND);
   case Intrinsic::atomic_load_nand:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_NAND_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_NAND_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_NAND_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_NAND_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_NAND);
   case Intrinsic::atomic_load_max:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MAX_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MAX_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MAX_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MAX_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MAX);
   case Intrinsic::atomic_load_min:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MIN_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MIN_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MIN_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MIN_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_MIN);
   case Intrinsic::atomic_load_umin:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMIN_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMIN_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMIN_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMIN_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMIN);
   case Intrinsic::atomic_load_umax:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMAX_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMAX_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMAX_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMAX_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_LOAD_UMAX);
   case Intrinsic::atomic_swap:
-    switch (getValue(I.getOperand(2)).getValueType().getSimpleVT()) {
-      case MVT::i8:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_SWAP_8);
-      case MVT::i16:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_SWAP_16);
-      case MVT::i32:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_SWAP_32);
-      case MVT::i64:
-        return implVisitBinaryAtomic(I, ISD::ATOMIC_SWAP_64);
-      default:
-       assert(0 && "Invalid atomic type");
-       abort();
-    }
+    return implVisitBinaryAtomic(I, ISD::ATOMIC_SWAP);
   }
 }