From aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 25 Aug 2005 05:02:41 +0000
Subject: [PATCH] Add support for TargetConstantPool node

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23040 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/CodeGen/SelectionDAG.h      | 3 ++-
 include/llvm/CodeGen/SelectionDAGNodes.h | 9 ++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index 02af6d30cc2..df975bd68dc 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -101,6 +101,7 @@ public:
   SDOperand getFrameIndex(int FI, MVT::ValueType VT);
   SDOperand getTargetFrameIndex(int FI, MVT::ValueType VT);
   SDOperand getConstantPool(unsigned CPIdx, MVT::ValueType VT);
+  SDOperand getTargetConstantPool(unsigned CPIdx, MVT::ValueType VT);
   SDOperand getBasicBlock(MachineBasicBlock *MBB);
   SDOperand getExternalSymbol(const char *Sym, MVT::ValueType VT);
   SDOperand getValueType(MVT::ValueType);
@@ -309,7 +310,7 @@ private:
   std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> TargetConstants;
   std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> ConstantFPs;
   std::map<int, SDNode*> FrameIndices, TargetFrameIndices;
-  std::map<unsigned, SDNode*> ConstantPoolIndices;
+  std::map<unsigned, SDNode*> ConstantPoolIndices, TargetConstantPoolIndices;
   std::map<MachineBasicBlock *, SDNode*> BBNodes;
   std::vector<SDNode*> ValueTypeNodes;
   std::map<std::string, SDNode*> ExternalSymbols;
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 319403ca3cb..9f1769e0d69 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -66,6 +66,7 @@ namespace ISD {
     // dag, turning into a GlobalAddress operand.
     TargetGlobalAddress,
     TargetFrameIndex,
+    TargetConstantPool,
 
     // CopyToReg - This node has three operands: a chain, a register number to
     // set to this value, and a value.  
@@ -830,15 +831,17 @@ class ConstantPoolSDNode : public SDNode {
   unsigned CPI;
 protected:
   friend class SelectionDAG;
-  ConstantPoolSDNode(unsigned cpi, MVT::ValueType VT)
-    : SDNode(ISD::ConstantPool, VT), CPI(cpi) {}
+  ConstantPoolSDNode(unsigned cpi, MVT::ValueType VT, bool isTarget)
+    : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, VT),
+      CPI(cpi) {}
 public:
 
   unsigned getIndex() const { return CPI; }
 
   static bool classof(const ConstantPoolSDNode *) { return true; }
   static bool classof(const SDNode *N) {
-    return N->getOpcode() == ISD::ConstantPool;
+    return N->getOpcode() == ISD::ConstantPool ||
+           N->getOpcode() == ISD::TargetConstantPool;
   }
 };