Changes in directory llvm/lib/Target:
TargetSelectionDAG.td updated: 1.21 -> 1.22 --- Log message: Added sextld + zextld DAG nodes. --- Diffs of the changes: (+17 -0) TargetSelectionDAG.td | 17 +++++++++++++++++ 1 files changed, 17 insertions(+) Index: llvm/lib/Target/TargetSelectionDAG.td diff -u llvm/lib/Target/TargetSelectionDAG.td:1.21 llvm/lib/Target/TargetSelectionDAG.td:1.22 --- llvm/lib/Target/TargetSelectionDAG.td:1.21 Tue Dec 13 16:55:21 2005 +++ llvm/lib/Target/TargetSelectionDAG.td Tue Dec 13 20:21:01 2005 @@ -150,6 +150,12 @@ SDTCisPtrTy<1> ]>; +def SDTIntExtLoad : SDTypeProfile<1, 3, [ // sextload, zextload + SDTCisInt<0>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>, + SDTCisVTSmallerThanOp<3, 0> +]>; + + //===----------------------------------------------------------------------===// // Selection DAG Node Properties. // @@ -173,6 +179,7 @@ def set; def node; +def srcvalue; def imm : SDNode<"ISD::Constant" , SDTIntLeaf , [], "ConstantSDNode">; def vt : SDNode<"ISD::VALUETYPE" , SDTOther , [], "VTSDNode">; @@ -245,6 +252,11 @@ def load : SDNode<"ISD::LOAD" , SDTLoad, [SDNPHasChain]>; def store : SDNode<"ISD::STORE" , SDTStore, [SDNPHasChain]>; +// Do not use sextld and zextld directly. Use sextload and zextload (see +// below) which pass in a dummy srcvalue node which tblgen will skip over. +def sextld : SDNode<"ISD::SEXTLOAD" , SDTIntExtLoad, [SDNPHasChain]>; +def zextld : SDNode<"ISD::ZEXTLOAD" , SDTIntExtLoad, [SDNPHasChain]>; + //===----------------------------------------------------------------------===// // Selection DAG Condition Codes @@ -311,6 +323,11 @@ def not : PatFrag<(ops node:$in), (xor node:$in, immAllOnes)>; def ineg : PatFrag<(ops node:$in), (sub 0, node:$in)>; +// extending load fragments. +def sextload : PatFrag<(ops node:$ptr, node:$vt), + (sextld node:$ptr, srcvalue:$dummy, node:$vt)>; +def zextload : PatFrag<(ops node:$ptr, node:$vt), + (zextld node:$ptr, srcvalue:$dummy, node:$vt)>; // setcc convenience fragments. def setoeq : PatFrag<(ops node:$lhs, node:$rhs), _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
