//===- 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.
//===----------------------------------------------------------------------===//
//
// Value types - These values correspond to the register types defined in the
-// ValueTypes.h file.
+// ValueTypes.h file. If you update anything here, you must update it there as
+// well!
//
-class ValueType<int size> { string Namespace = "MVT"; int Size = size; }
+class ValueType<int size, int value> {
+ string Namespace = "MVT";
+ int Size = size;
+ int Value = value;
+}
-def i1 : ValueType<1>; // One bit boolean value
-def i8 : ValueType<8>; // 8-bit integer value
-def i16 : ValueType<16>; // 16-bit integer value
-def i32 : ValueType<32>; // 32-bit integer value
-def i64 : ValueType<64>; // 64-bit integer value
-def f32 : ValueType<32>; // 32-bit floating point value
-def f64 : ValueType<64>; // 64-bit floating point value
-def f80 : ValueType<80>; // 80-bit floating point 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
+def i32 : ValueType<32 , 4>; // 32-bit integer value
+def i64 : ValueType<64 , 5>; // 64-bit integer value
+def i128 : ValueType<128, 5>; // 128-bit integer value
+def f32 : ValueType<32 , 7>; // 32-bit floating point value
+def f64 : ValueType<64 , 8>; // 64-bit floating point value
+def f80 : ValueType<80 , 9>; // 80-bit floating point value
+def f128 : ValueType<128, 9>; // 128-bit floating point value
+def isVoid : ValueType<0 , 11>; // Produces no value
//===----------------------------------------------------------------------===//
// Register file description - These classes are used to fill in the target
// 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 DagNodeResultType;
-def DNRT_void : DagNodeResultType; // Tree node always returns void
-def DNRT_val : DagNodeResultType; // A non-void type
-def DNRT_arg0 : DagNodeResultType; // Tree node returns same type as Arg0
-
-class DagNodeArgType;
-def DNAT_val : DagNodeArgType; // Any value
-def DNAT_arg0 : DagNodeArgType; // Same as for arg #0
-def DNAT_ptr : DagNodeArgType; // Returns the target pointer type
-
-class DagNode<DagNodeResultType ret, list<DagNodeArgType> args> {
- DagNodeResultType RetType = ret;
- list<DagNodeArgType> ArgTypes = args;
+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_i8 : DagNodeValType; // Always have an i8 value
+
+class DagNode<DagNodeValType ret, list<DagNodeValType> args> {
+ DagNodeValType RetType = ret;
+ list<DagNodeValType> ArgTypes = args;
string EnumName = ?;
}
// BuiltinDagNodes are built into the instruction selector and correspond to
// enum values.
-class BuiltinDagNode<DagNodeResultType Ret, list<DagNodeArgType> Args,
+class BuiltinDagNode<DagNodeValType Ret, list<DagNodeValType> Args,
string Ename> : DagNode<Ret, Args> {
let EnumName = Ename;
}
// Magic nodes...
-def set : DagNode<DNRT_void, [DNAT_val, DNAT_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 : DagNode<DNRT_val, []>;
+def imm : BuiltinDagNode<DNVT_val, [], "Constant">;
+def frameidx : BuiltinDagNode<DNVT_ptr, [], "FrameIndex">;
+def basicblock : BuiltinDagNode<DNVT_ptr, [], "BasicBlock">;
// Arithmetic...
-def plus : BuiltinDagNode<DNRT_arg0, [DNAT_val, DNAT_arg0], "Plus">;
-def minus : BuiltinDagNode<DNRT_arg0, [DNAT_val, DNAT_arg0], "Minus">;
-//def mult : DagNode<2, DNRT_arg0>;
-//def div : DagNode<2, DNRT_arg0>;
-//def udiv : DagNode<2, DNRT_arg0>;
-//def mod : DagNode<2, DNRT_arg0>;
-//def umod : DagNode<2, DNRT_arg0>;
-
-//def load : DagNode<1, DNRT_val>;
-//def store : DagNode<2, DNRT_Void>;
+def plus : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "Plus">;
+def minus : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "Minus">;
+def times : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "Times">;
+def sdiv : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "SDiv">;
+def udiv : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "UDiv">;
+def srem : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "SRem">;
+def urem : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "URem">;
+def and : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "And">;
+def or : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "Or">;
+def xor : BuiltinDagNode<DNVT_arg0, [DNVT_arg1, DNVT_arg0], "Xor">;
+
+// Comparisons...
+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]>;
// Other...
-def ret : BuiltinDagNode<DNRT_void, [DNAT_val], "Ret">;
-def retvoid : BuiltinDagNode<DNRT_void, [], "RetVoid">;
+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_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...
+//
+class Nonterminal<dag pattern> {
+ dag Pattern = pattern;
+ bit BuiltIn = 0;
+}
projects / oota-llvm.git / blobdiff