commit abb11cc83e8192cd9974548a0182500d4206ca07
author Chris Lattner <sabre@nondot.org> Sun Dec 18 15:45:51 2005 +0000
committer Chris Lattner <sabre@nondot.org> Sun Dec 18 15:45:51 2005 +0000
tree dec347a3a4750a3ce8bdc043c302832449c85bb6
parent ebcfa0c210205b8a413818b8de282caf6cf21aa2

More fixes for Selection of copyto/fromreg with a flag

llvm-svn: 24829

llvm/utils/TableGen/DAGISelEmitter.cpp

diff --git a/llvm/utils/TableGen/DAGISelEmitter.cpp b/llvm/utils/TableGen/DAGISelEmitter.cpp
index b8077b3..9b4c4a6 100644
--- a/llvm/utils/TableGen/DAGISelEmitter.cpp
+++ b/llvm/utils/TableGen/DAGISelEmitter.cpp
@@ -2353,7 +2353,7 @@
      << "    SDOperand Chain = Select(N.getOperand(0));\n"
      << "    unsigned Reg = cast<RegisterSDNode>(N.getOperand(1))->getReg();\n"
      << "    MVT::ValueType VT = N.Val->getValueType(0);\n"
-     << "    if (N.getNumOperands() == 2) {\n"
+     << "    if (N.Val->getNumValues() == 2) {\n"
      << "      if (Chain == N.getOperand(0)) return N; // No change\n"
      << "      SDOperand New = CurDAG->getCopyFromReg(Chain, Reg, VT);\n"
      << "      CodeGenMap[N.getValue(0)] = New;\n"
@@ -2361,8 +2361,9 @@
      << "      return New.getValue(N.ResNo);\n"
      << "    } else {\n"
      << "      SDOperand Flag;\n"
-     << "      if (N.getOperand(2).Val) Flag = Select(N.getOperand(2));\n"
-     << "      if (Chain == N.getOperand(0) && Flag == N.getOperand(2))\n"
+     << "      if (N.getNumOperands() == 3) Flag = Select(N.getOperand(2));\n"
+     << "      if (Chain == N.getOperand(0) &&\n"
+     << "          (N.getNumOperands() == 2 || Flag == N.getOperand(2)))\n"
      << "        return N; // No change\n"
      << "      SDOperand New = CurDAG->getCopyFromReg(Chain, Reg, VT, Flag);\n"
      << "      CodeGenMap[N.getValue(0)] = New;\n"
@@ -2373,21 +2374,19 @@
      << "  }\n"
      << "  case ISD::CopyToReg: {\n"
      << "    SDOperand Chain = Select(N.getOperand(0));\n"
-     << "    SDOperand Reg = N.getOperand(1);\n"
+     << "    unsigned Reg = cast<RegisterSDNode>(N.getOperand(1))->getReg();\n"
      << "    SDOperand Val = Select(N.getOperand(2));\n"
      << "    SDOperand Result = N;\n"
-     << "    if (N.getNumOperands() == 3) {\n"
+     << "    if (N.Val->getNumValues() == 1) {\n"
      << "      if (Chain != N.getOperand(0) || Val != N.getOperand(2))\n"
-     << "        Result = CurDAG->getNode(ISD::CopyToReg, MVT::Other,\n"
-     << "                                 Chain, Reg, Val);\n"
+     << "        Result = CurDAG->getCopyToReg(Chain, Reg, Val);\n"
      << "      return CodeGenMap[N] = Result;\n"
      << "    } else {\n"
      << "      SDOperand Flag;\n"
-     << "      if (N.getOperand(3).Val) Flag = Select(N.getOperand(3));\n"
+     << "      if (N.getNumOperands() == 4) Flag = Select(N.getOperand(3));\n"
      << "      if (Chain != N.getOperand(0) || Val != N.getOperand(2) ||\n"
-     << "          Flag != N.getOperand(3))\n"
-     << "        Result = CurDAG->getNode(ISD::CopyToReg, MVT::Other,\n"
-     << "                                 Chain, Reg, Val, Flag);\n"
+     << "          (N.getNumOperands() == 4 && Flag != N.getOperand(3)))\n"
+     << "        Result = CurDAG->getCopyToReg(Chain, Reg, Val, Flag);\n"
      << "      CodeGenMap[N.getValue(0)] = Result;\n"
      << "      CodeGenMap[N.getValue(1)] = Result.getValue(1);\n"
      << "      return Result.getValue(N.ResNo);\n"