Generate correct Sparc32 ABI compliant code for functions that return a struct.
[oota-llvm.git] / lib / Target / Sparc / SparcISelLowering.h
index 9428bf3b9a7f8fccdfcdda74b37e2551fe2d46ee..7d02df8adcca151befafac35e06dd41aa9bba001 100644 (file)
@@ -36,14 +36,15 @@ namespace llvm {
 
       CALL,        // A call instruction.
       RET_FLAG,    // Return with a flag operand.
-      GLOBAL_BASE_REG // Global base reg for PIC
+      GLOBAL_BASE_REG, // Global base reg for PIC
+      FLUSHW       // FLUSH register windows to stack
     };
   }
 
   class SparcTargetLowering : public TargetLowering {
   public:
     SparcTargetLowering(TargetMachine &TM);
-    virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
+    virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
 
     /// computeMaskedBitsForTargetNode - Determine which of the bits specified
     /// in Mask are known to be either zero or one and return them in the
@@ -55,9 +56,9 @@ namespace llvm {
                                                 const SelectionDAG &DAG,
                                                 unsigned Depth = 0) const;
 
-    virtual MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,
-                                                         MachineBasicBlock *MBB,
-                    DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
+    virtual MachineBasicBlock *
+      EmitInstrWithCustomInserter(MachineInstr *MI,
+                                  MachineBasicBlock *MBB) const;
 
     virtual const char *getTargetNodeName(unsigned Opcode) const;
 
@@ -79,25 +80,29 @@ namespace llvm {
                            bool isVarArg,
                            const SmallVectorImpl<ISD::InputArg> &Ins,
                            DebugLoc dl, SelectionDAG &DAG,
-                           SmallVectorImpl<SDValue> &InVals);
+                           SmallVectorImpl<SDValue> &InVals) const;
 
     virtual SDValue
       LowerCall(SDValue Chain, SDValue Callee,
                 CallingConv::ID CallConv, bool isVarArg,
                 bool &isTailCall,
                 const SmallVectorImpl<ISD::OutputArg> &Outs,
+                const SmallVectorImpl<SDValue> &OutVals,
                 const SmallVectorImpl<ISD::InputArg> &Ins,
                 DebugLoc dl, SelectionDAG &DAG,
-                SmallVectorImpl<SDValue> &InVals);
+                SmallVectorImpl<SDValue> &InVals) const;
 
     virtual SDValue
       LowerReturn(SDValue Chain,
                   CallingConv::ID CallConv, bool isVarArg,
                   const SmallVectorImpl<ISD::OutputArg> &Outs,
-                  DebugLoc dl, SelectionDAG &DAG);
+                  const SmallVectorImpl<SDValue> &OutVals,
+                  DebugLoc dl, SelectionDAG &DAG) const;
 
-    SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG);
+    SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const;
+
+    unsigned getSRetArgSize(SelectionDAG &DAG, SDValue Callee) const;
   };
 } // end namespace llvm