add isTerminatortto b and bcond

[oota-llvm.git] / lib / Target / ARM / ARMISelDAGToDAG.cpp

diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 8076757580761a560c67a7979c84d2addc94fd16..283d0f18c796fea04341ba4189eff44cf21066fb 100644 (file)
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -70,6 +70,16 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::BR_CC, MVT::f32, Custom);
   setOperationAction(ISD::BR_CC, MVT::f64, Custom);
 
+  setOperationAction(ISD::BRCOND,        MVT::Other, Expand);
+
+  setOperationAction(ISD::SHL_PARTS, MVT::i32, Expand);
+  setOperationAction(ISD::SRA_PARTS, MVT::i32, Expand);
+  setOperationAction(ISD::SRL_PARTS, MVT::i32, Expand);
+  setOperationAction(ISD::SDIV,      MVT::i32, Expand);
+  setOperationAction(ISD::UDIV,      MVT::i32, Expand);
+  setOperationAction(ISD::SREM,      MVT::i32, Expand);
+  setOperationAction(ISD::UREM,      MVT::i32, Expand);
+
   setOperationAction(ISD::VASTART,       MVT::Other, Custom);
   setOperationAction(ISD::VAEND,         MVT::Other, Expand);
 
@@ -284,7 +294,9 @@ public:
 static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG) {
   SDOperand Chain    = Op.getOperand(0);
   unsigned CallConv  = cast<ConstantSDNode>(Op.getOperand(1))->getValue();
-  assert(CallConv == CallingConv::C && "unknown calling convention");
+  assert((CallConv == CallingConv::C ||
+          CallConv == CallingConv::Fast)
+         && "unknown calling convention");
   bool isVarArg      = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0;
   bool isTailCall    = cast<ConstantSDNode>(Op.getOperand(3))->getValue() != 0;
   SDOperand Callee   = Op.getOperand(4);
@@ -319,11 +331,14 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG) {
     Chain = DAG.getNode(ISD::TokenFactor, MVT::Other,
                         &MemOpChains[0], MemOpChains.size());
 
-  // If the callee is a GlobalAddress/ExternalSymbol node (quite common, every
-  // direct call is) turn it into a TargetGlobalAddress/TargetExternalSymbol
-  // node so that legalize doesn't hack it.
+  // If the callee is a GlobalAddress node (quite common, every direct call is)
+  // turn it into a TargetGlobalAddress node so that legalize doesn't hack it.
+  // Likewise ExternalSymbol -> TargetExternalSymbol.
+  assert(Callee.getValueType() == MVT::i32);
   if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee))
-    Callee = DAG.getTargetGlobalAddress(G->getGlobal(), Callee.getValueType());
+    Callee = DAG.getTargetGlobalAddress(G->getGlobal(), MVT::i32);
+  else if (ExternalSymbolSDNode *E = dyn_cast<ExternalSymbolSDNode>(Callee))
+    Callee = DAG.getTargetExternalSymbol(E->getSymbol(), MVT::i32);
 
   // If this is a direct call, pass the chain and the callee.
   assert (Callee.Val);
@@ -728,6 +743,7 @@ public:
   bool SelectAddrRegImm(SDOperand N, SDOperand &Offset, SDOperand &Base);
   bool SelectAddrMode1(SDOperand N, SDOperand &Arg, SDOperand &Shift,
                       SDOperand &ShiftType);
+  bool SelectAddrMode5(SDOperand N, SDOperand &Arg, SDOperand &Offset);
 
   // Include the pieces autogenerated from the target description.
 #include "ARMGenDAGISel.inc"
@@ -826,6 +842,14 @@ bool ARMDAGToDAGISel::SelectAddrMode1(SDOperand N,
   return true;
 }
 
+bool ARMDAGToDAGISel::SelectAddrMode5(SDOperand N, SDOperand &Arg,
+                                      SDOperand &Offset) {
+  //TODO: detect offset
+  Offset = CurDAG->getTargetConstant(0, MVT::i32);
+  Arg    = N;
+  return true;
+}
+
 //register plus/minus 12 bit offset
 bool ARMDAGToDAGISel::SelectAddrRegImm(SDOperand N, SDOperand &Offset,
                                    SDOperand &Base) {