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Add nodes for CondCodeSDNode and setcc, and add a bunch of pattern fragments

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to make it easy to use them.  This lets you write patterns like:

(set PRRC:$rd, (setne GPRC:$rS, imm:$SH))

and stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24009 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-26 17:00:25 +00:00
parent 1531f2025c
commit 1f426deade
1 changed files with 64 additions and 0 deletions
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64
lib/Target/TargetSelectionDAG.td
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@ -99,6 +99,10 @@ def SDTExtInreg : SDTypeProfile<1, 2, [ // sext_inreg
SDTCisVTSmallerThanOp<2, 1>
]>;
def SDTSetCC : SDTypeProfile<1, 3, [ // setcc
SDTCisInt<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT>
]>;
//===----------------------------------------------------------------------===//
// Selection DAG Node Properties.
//
@ -124,6 +128,7 @@ def node;
def imm : SDNode<"ISD::Constant" , SDTImm , [], "ConstantSDNode">;
def vt : SDNode<"ISD::VALUETYPE" , SDTVT , [], "VTSDNode">;
def cond : SDNode<"ISD::CONDCODE" , SDTVT , [], "CondCodeSDNode">;
def undef : SDNode<"ISD::UNDEF" , SDTUNDEF , []>;
def add : SDNode<"ISD::ADD" , SDTIntBinOp ,
[SDNPCommutative, SDNPAssociative]>;
@ -167,6 +172,22 @@ def fsqrt : SDNode<"ISD::FSQRT" , SDTFPUnaryOp>;
def fround : SDNode<"ISD::FP_ROUND" , SDTFPRoundOp>;
def fextend : SDNode<"ISD::FP_EXTEND" , SDTFPExtendOp>;
def setcc : SDNode<"ISD::SETCC" , SDTSetCC>;
//===----------------------------------------------------------------------===//
// Selection DAG Condition Codes
class CondCode; // ISD::CondCode enums
def SETOEQ : CondCode; def SETOGT : CondCode;
def SETOGE : CondCode; def SETOLT : CondCode; def SETOLE : CondCode;
def SETONE : CondCode; def SETO : CondCode; def SETUO : CondCode;
def SETUEQ : CondCode; def SETUGT : CondCode; def SETUGE : CondCode;
def SETULT : CondCode; def SETULE : CondCode; def SETUNE : CondCode;
def SETEQ : CondCode; def SETGT : CondCode; def SETGE : CondCode;
def SETLT : CondCode; def SETLE : CondCode; def SETNE : CondCode;
//===----------------------------------------------------------------------===//
// Selection DAG Node Transformation Functions.
//
@ -219,6 +240,49 @@ def vtFP : PatLeaf<(vt), [{ return MVT::isFloatingPoint(N->getVT()); }]>;
def not : PatFrag<(ops node:$in), (xor node:$in, immAllOnes)>;
def ineg : PatFrag<(ops node:$in), (sub 0, node:$in)>;
// setcc convenience fragments.
def setoeq : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETOEQ)>;
def setogt : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETOGT)>;
def setoge : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETOGE)>;
def setolt : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETOLT)>;
def setole : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETOLE)>;
def setone : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETONE)>;
def seto : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETO)>;
def setuo : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETUO)>;
def setueq : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETUEQ)>;
def setugt : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETUGT)>;
def setuge : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETUGE)>;
def setult : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETULT)>;
def setule : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETULE)>;
def setune : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETUNE)>;
def seteq : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETEQ)>;
def setgt : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETGT)>;
def setge : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETGE)>;
def setlt : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETLT)>;
def setle : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETLE)>;
def setne : PatFrag<(ops node:$lhs, node:$rhs),
(setcc node:$lhs, node:$rhs, SETNE)>;
//===----------------------------------------------------------------------===//
// Selection DAG Pattern Support.
//