//===- Target.td - Target Independent TableGen interface --------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// This file defines the target-independent interfaces which should be
// implemented by each target which is using a TableGen based code generator.
int Value = value;
}
+def OtherVT: ValueType<0 , 0>; // "Other" value
def i1 : ValueType<1 , 1>; // One bit boolean value
def i8 : ValueType<8 , 2>; // 8-bit integer value
def i16 : ValueType<16 , 3>; // 16-bit integer value
// Methods - This member can be used to insert arbitrary code into a generated
// register class. The normal usage of this is to overload virtual methods.
code Methods = [{}];
+
+ // isDummyClass - If this is set to true, this register class is not really
+ // part of the target, it is just used for other purposes.
+ bit isDummyClass = 0;
}
// DAG node definitions used by the instruction selector...
//
class DagNodeValType;
+def DNVT_any : DagNodeValType; // No constraint on tree node
def DNVT_void : DagNodeValType; // Tree node always returns void
def DNVT_val : DagNodeValType; // A non-void type
def DNVT_arg0 : DagNodeValType; // Tree node returns same type as Arg0
def DNVT_arg1 : DagNodeValType; // Tree node returns same type as Arg1
def DNVT_ptr : DagNodeValType; // The target pointer type
-def DNVT_bool : DagNodeValType; // Always returns bool
+def DNVT_i8 : DagNodeValType; // Always have an i8 value
class DagNode<DagNodeValType ret, list<DagNodeValType> args> {
DagNodeValType RetType = ret;
}
// Magic nodes...
-def set : DagNode<DNVT_void, [DNVT_val, DNVT_arg0]>;
+def Void : RegisterClass<isVoid,0,[]> { let isDummyClass = 1; }
+def set : DagNode<DNVT_void, [DNVT_val, DNVT_arg0]>;
+def chain : BuiltinDagNode<DNVT_void, [DNVT_void, DNVT_void], "ChainNode">;
+def blockchain : BuiltinDagNode<DNVT_void, [DNVT_void, DNVT_void],
+ "BlockChainNode">;
+def ChainExpander : Expander<(chain Void, Void), []>;
+def BlockChainExpander : Expander<(blockchain Void, Void), []>;
+
// Terminals...
def imm : BuiltinDagNode<DNVT_val, [], "Constant">;
def xor : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "Xor">;
// Comparisons...
-def seteq : BuiltinDagNode<DNVT_bool, [DNVT_arg1, DNVT_arg0], "SetEQ">;
-def setne : BuiltinDagNode<DNVT_bool, [DNVT_arg1, DNVT_arg0], "SetNE">;
-def setlt : BuiltinDagNode<DNVT_bool, [DNVT_arg1, DNVT_arg0], "SetLT">;
-def setle : BuiltinDagNode<DNVT_bool, [DNVT_arg1, DNVT_arg0], "SetLE">;
-def setgt : BuiltinDagNode<DNVT_bool, [DNVT_arg1, DNVT_arg0], "SetGT">;
-def setge : BuiltinDagNode<DNVT_bool, [DNVT_arg1, DNVT_arg0], "SetGE">;
+def seteq : BuiltinDagNode<DNVT_i8 , [DNVT_arg1, DNVT_arg0], "SetEQ">;
+def setne : BuiltinDagNode<DNVT_i8 , [DNVT_arg1, DNVT_arg0], "SetNE">;
+def setlt : BuiltinDagNode<DNVT_i8 , [DNVT_arg1, DNVT_arg0], "SetLT">;
+def setle : BuiltinDagNode<DNVT_i8 , [DNVT_arg1, DNVT_arg0], "SetLE">;
+def setgt : BuiltinDagNode<DNVT_i8 , [DNVT_arg1, DNVT_arg0], "SetGT">;
+def setge : BuiltinDagNode<DNVT_i8 , [DNVT_arg1, DNVT_arg0], "SetGE">;
def load : BuiltinDagNode<DNVT_val, [DNVT_ptr], "Load">;
//def store : BuiltinDagNode<DNVT_Void, [DNVT_ptr, DNVT_val]>;
def ret : BuiltinDagNode<DNVT_void, [DNVT_val], "Ret">;
def retvoid : BuiltinDagNode<DNVT_void, [], "RetVoid">;
def br : BuiltinDagNode<DNVT_void, [DNVT_ptr], "Br">;
-def brcond : BuiltinDagNode<DNVT_void, [DNVT_bool, DNVT_ptr, DNVT_ptr],
+def brcond : BuiltinDagNode<DNVT_void, [DNVT_i8, DNVT_ptr, DNVT_ptr],
"BrCond">;
+def unspec1 : BuiltinDagNode<DNVT_any , [DNVT_val], "Unspec1">;
+def unspec2 : BuiltinDagNode<DNVT_any , [DNVT_val, DNVT_val], "Unspec2">;
+
//===----------------------------------------------------------------------===//
// DAG nonterminals definitions used by the instruction selector...
//