DenseMap<SDValue, unsigned> &VRBaseMap,
bool IsDebug, bool IsClone, bool IsCloned);
+ /// ConstrainForSubReg - Try to constrain VReg to a register class that
+ /// supports SubIdx sub-registers. Emit a copy if that isn't possible.
+ /// Return the virtual register to use.
+ unsigned ConstrainForSubReg(unsigned VReg, unsigned SubIdx,
+ EVT VT, DebugLoc DL);
+
/// EmitSubregNode - Generate machine code for subreg nodes.
///
void EmitSubregNode(SDNode *Node, DenseMap<SDValue, unsigned> &VRBaseMap,
/// (which do not go into the machine instrs.)
static unsigned CountResults(SDNode *Node);
- /// CountOperands - The inputs to target nodes have any actual inputs first,
- /// followed by an optional chain operand, then flag operands. Compute
- /// the number of actual operands that will go into the resulting
- /// MachineInstr.
- static unsigned CountOperands(SDNode *Node);
-
/// EmitDbgValue - Generate machine instruction for a dbg_value node.
///
MachineInstr *EmitDbgValue(SDDbgValue *SD,