move this over to the dag

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24609 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Alpha/AlphaISelDAGToDAG.cpp b/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
index 8e2e39e7cdeb80e74e2fa1160083bbe91ba0c674..e96ec70d70aed7fa9de5fb1bf28fa82367fde5ae 100644 (file)
--- a/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
+++ b/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
@@ -247,14 +247,6 @@ SDOperand AlphaDAGToDAGISel::Select(SDOperand Op) {
                                 CurDAG->getTargetExternalSymbol(cast<ExternalSymbolSDNode>(N)->getSymbol(), MVT::i64),
                                 getGlobalBaseReg());
 
-  case ISD::CALLSEQ_START:
-  case ISD::CALLSEQ_END: {
-    unsigned Amt = cast<ConstantSDNode>(N->getOperand(1))->getValue();
-    unsigned Opc = N->getOpcode() == ISD::CALLSEQ_START ?
-                       Alpha::ADJUSTSTACKDOWN : Alpha::ADJUSTSTACKUP;
-    return CurDAG->SelectNodeTo(N, Opc, MVT::Other,
-                                getI64Imm(Amt), Select(N->getOperand(0)));
-  }
   case ISD::RET: {
     SDOperand Chain = Select(N->getOperand(0));     // Token chain.
     SDOperand InFlag;

diff --git a/lib/Target/Alpha/AlphaInstrInfo.td b/lib/Target/Alpha/AlphaInstrInfo.td
index a1f520a3c6e8eb77ddb98cdb8af317c320ec42ad..82618f925d47e5dae4ee110ccd876f1bb93f8947 100644 (file)
--- a/lib/Target/Alpha/AlphaInstrInfo.td
+++ b/lib/Target/Alpha/AlphaInstrInfo.td
@@ -26,6 +26,11 @@ def Alpha_cvtqt : SDNode<"AlphaISD::CVTQT_", SDTFPUnaryOpUnC, []>;
 def Alpha_cvtqs : SDNode<"AlphaISD::CVTQS_", SDTFPUnaryOpUnC, []>;
 def Alpha_cvttq : SDNode<"AlphaISD::CVTTQ_", SDTFPUnaryOp, []>;
 
+// These are target-independent nodes, but have target-specific formats.
+def SDT_AlphaCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i64> ]>;
+def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_AlphaCallSeq,[SDNPHasChain]>;
+def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_AlphaCallSeq,[SDNPHasChain]>;
+
 
 //********************
 //Paterns for matching
@@ -99,8 +104,10 @@ def IDEF_F64 : PseudoInstAlpha<(ops F8RC:$RA), "#idef $RA",
              [(set F8RC:$RA, (undef))]>;
 
 def WTF : PseudoInstAlpha<(ops variable_ops), "#wtf", []>;
-def ADJUSTSTACKUP : PseudoInstAlpha<(ops variable_ops), "ADJUP", []>;
-def ADJUSTSTACKDOWN : PseudoInstAlpha<(ops variable_ops), "ADJDOWN", []>;
+def ADJUSTSTACKUP : PseudoInstAlpha<(ops s64imm:$amt), "ADJUP", 
+                [(callseq_start imm:$amt)]>;
+def ADJUSTSTACKDOWN : PseudoInstAlpha<(ops s64imm:$amt), "ADJDOWN", 
+                [(callseq_end imm:$amt)]>;
 def ALTENT : PseudoInstAlpha<(ops s64imm:$TARGET), "$TARGET:\n", []>;
 def PCLABEL : PseudoInstAlpha<(ops s64imm:$num), "PCMARKER_$num:\n",[]>;
 def MEMLABEL : PseudoInstAlpha<(ops s64imm:$i, s64imm:$j, s64imm:$k, s64imm:$m),