Add nodes for CondCodeSDNode and setcc, and add a bunch of pattern fragments
to make it easy to use them. This lets you write patterns like:
(set PRRC:$rd, (setne GPRC:$rS, imm:$SH))
and stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24009 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetSelectionDAG.td b/lib/Target/TargetSelectionDAG.td
index a0b7083..f58d4ab 100644
--- a/lib/Target/TargetSelectionDAG.td
+++ b/lib/Target/TargetSelectionDAG.td
@@ -99,6 +99,10 @@
SDTCisVTSmallerThanOp<2, 1>
]>;
+def SDTSetCC : SDTypeProfile<1, 3, [ // setcc
+ SDTCisInt<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT>
+]>;
+
//===----------------------------------------------------------------------===//
// Selection DAG Node Properties.
//
@@ -124,6 +128,7 @@
def imm : SDNode<"ISD::Constant" , SDTImm , [], "ConstantSDNode">;
def vt : SDNode<"ISD::VALUETYPE" , SDTVT , [], "VTSDNode">;
+def cond : SDNode<"ISD::CONDCODE" , SDTVT , [], "CondCodeSDNode">;
def undef : SDNode<"ISD::UNDEF" , SDTUNDEF , []>;
def add : SDNode<"ISD::ADD" , SDTIntBinOp ,
[SDNPCommutative, SDNPAssociative]>;
@@ -167,6 +172,22 @@
def fround : SDNode<"ISD::FP_ROUND" , SDTFPRoundOp>;
def fextend : SDNode<"ISD::FP_EXTEND" , SDTFPExtendOp>;
+def setcc : SDNode<"ISD::SETCC" , SDTSetCC>;
+
+//===----------------------------------------------------------------------===//
+// Selection DAG Condition Codes
+
+class CondCode; // ISD::CondCode enums
+def SETOEQ : CondCode; def SETOGT : CondCode;
+def SETOGE : CondCode; def SETOLT : CondCode; def SETOLE : CondCode;
+def SETONE : CondCode; def SETO : CondCode; def SETUO : CondCode;
+def SETUEQ : CondCode; def SETUGT : CondCode; def SETUGE : CondCode;
+def SETULT : CondCode; def SETULE : CondCode; def SETUNE : CondCode;
+
+def SETEQ : CondCode; def SETGT : CondCode; def SETGE : CondCode;
+def SETLT : CondCode; def SETLE : CondCode; def SETNE : CondCode;
+
+
//===----------------------------------------------------------------------===//
// Selection DAG Node Transformation Functions.
//
@@ -219,6 +240,49 @@
def not : PatFrag<(ops node:$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.
//