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| author | Christopher Lamb <christopher.lamb@gmail.com> | 2007-07-26 07:48:21 +0000 |
|---|---|---|
| committer | Christopher Lamb <christopher.lamb@gmail.com> | 2007-07-26 07:48:21 +0000 |
| commit | 08d52071bae2f8cc2e9aa6a451118b83d043813b (patch) | |
| tree | 7467f6e03f13c84aad5031e90ba99b9a60f1c622 /utils/TableGen/DAGISelEmitter.cpp | |
| parent | 518143d7950fb02683b9675e94d42c112ed599c4 (diff) | |
| download | llvm-08d52071bae2f8cc2e9aa6a451118b83d043813b.tar.gz llvm-08d52071bae2f8cc2e9aa6a451118b83d043813b.tar.bz2 llvm-08d52071bae2f8cc2e9aa6a451118b83d043813b.tar.xz | |
Add target independent MachineInstr's to represent subreg insert/extract in MBB's. PR1350
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40518 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/DAGISelEmitter.cpp')
| -rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index 36677bb127..b5b2ba1469 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -3729,6 +3729,33 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) { << " MVT::Other, Tmp, Chain);\n" << "}\n\n"; + OS << "SDNode *Select_EXTRACT_SUBREG(const SDOperand &N) {\n" + << " SDOperand N0 = N.getOperand(0);\n" + << " SDOperand N1 = N.getOperand(1);\n" + << " unsigned C = cast<ConstantSDNode>(N1)->getValue();\n" + << " SDOperand Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n" + << " AddToISelQueue(N0);\n" + << " return CurDAG->getTargetNode(TargetInstrInfo::EXTRACT_SUBREG,\n" + << " N.getValueType(), N0, Tmp);\n" + << "}\n\n"; + + OS << "SDNode *Select_INSERT_SUBREG(const SDOperand &N) {\n" + << " SDOperand N0 = N.getOperand(0);\n" + << " SDOperand N1 = N.getOperand(1);\n" + << " SDOperand N2 = N.getOperand(2);\n" + << " unsigned C = cast<ConstantSDNode>(N2)->getValue();\n" + << " SDOperand Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n" + << " AddToISelQueue(N1);\n" + << " if (N0.getOpcode() == ISD::UNDEF) {\n" + << " return CurDAG->getTargetNode(TargetInstrInfo::EXTRACT_SUBREG,\n" + << " N.getValueType(), N1, Tmp);\n" + << " } else {\n" + << " AddToISelQueue(N0);\n" + << " return CurDAG->getTargetNode(TargetInstrInfo::EXTRACT_SUBREG,\n" + << " N.getValueType(), N0, N1, Tmp);\n" + << " }\n" + << "}\n\n"; + OS << "// The main instruction selector code.\n" << "SDNode *SelectCode(SDOperand N) {\n" << " if (N.getOpcode() >= ISD::BUILTIN_OP_END &&\n" @@ -3766,7 +3793,9 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) { << " return NULL;\n" << " }\n" << " case ISD::INLINEASM: return Select_INLINEASM(N);\n" - << " case ISD::LABEL: return Select_LABEL(N);\n"; + << " case ISD::LABEL: return Select_LABEL(N);\n" + << " case ISD::EXTRACT_SUBREG: return Select_EXTRACT_SUBREG(N);\n" + << " case ISD::INSERT_SUBREG: return Select_INSERT_SUBREG(N);\n"; // Loop over all of the case statements, emiting a call to each method we |