aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChris Lattner <sabre@nondot.org>2005-09-28 20:58:39 +0000
committerChris Lattner <sabre@nondot.org>2005-09-28 20:58:39 +0000
commita5cac6f6eb939b033c020cc59499756d2b95b349 (patch)
treed5686115471c9e209164e552d0073d03a3dc6b20
parent7cf2fe6c48aa14cd2d323d3cc81a2b51bb548863 (diff)
downloadexternal_llvm-a5cac6f6eb939b033c020cc59499756d2b95b349.zip
external_llvm-a5cac6f6eb939b033c020cc59499756d2b95b349.tar.gz
external_llvm-a5cac6f6eb939b033c020cc59499756d2b95b349.tar.bz2
Mark associative nodes as associative
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23503 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/PowerPC/PPCInstrInfo.td18
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 94f504a..9467f17 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -87,7 +87,8 @@ def SDTExtInreg : SDTypeProfile<1, 2, [ // sext_inreg
// Note: These are hard coded into tblgen.
//
class SDNodeProperty;
-def SDNPCommutative : SDNodeProperty;
+def SDNPCommutative : SDNodeProperty; // X op Y == Y op X
+def SDNPAssociative : SDNodeProperty; // (X op Y) op Z == X op (Y op Z)
//===----------------------------------------------------------------------===//
// Selection DAG Node definitions.
@@ -105,12 +106,17 @@ def node;
def imm : SDNode<"ISD::Constant" , SDTImm , [], "ConstantSDNode">;
def vt : SDNode<"ISD::VALUETYPE" , SDTVT , [], "VTSDNode">;
-def and : SDNode<"ISD::AND" , SDTIntBinOp, [SDNPCommutative]>;
-def or : SDNode<"ISD::OR" , SDTIntBinOp, [SDNPCommutative]>;
-def xor : SDNode<"ISD::XOR" , SDTIntBinOp, [SDNPCommutative]>;
-def add : SDNode<"ISD::ADD" , SDTBinOp , [SDNPCommutative]>;
+def and : SDNode<"ISD::AND" , SDTIntBinOp,
+ [SDNPCommutative, SDNPAssociative]>;
+def or : SDNode<"ISD::OR" , SDTIntBinOp,
+ [SDNPCommutative, SDNPAssociative]>;
+def xor : SDNode<"ISD::XOR" , SDTIntBinOp,
+ [SDNPCommutative, SDNPAssociative]>;
+def add : SDNode<"ISD::ADD" , SDTBinOp ,
+ [SDNPCommutative, SDNPAssociative]>;
def sub : SDNode<"ISD::SUB" , SDTBinOp>;
-def mul : SDNode<"ISD::MUL" , SDTBinOp , [SDNPCommutative]>;
+def mul : SDNode<"ISD::MUL" , SDTBinOp ,
+ [SDNPCommutative, SDNPAssociative]>;
def sdiv : SDNode<"ISD::SDIV" , SDTBinOp>;
def udiv : SDNode<"ISD::UDIV" , SDTIntBinOp>;
def mulhs : SDNode<"ISD::MULHS" , SDTIntBinOp, [SDNPCommutative]>;