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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-05-03 13:08:51 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-05-03 13:08:51 +0000 |
| commit | 9841d21a31cbc34a0915671ac89116215568ace7 (patch) | |
| tree | bdef6f791aa82f133ed6390783e94a6160d9d785 /lib | |
| parent | 13d927fb814f5eeac4f2bccdb905b87a764fb2ce (diff) | |
| download | external_llvm-9841d21a31cbc34a0915671ac89116215568ace7.zip external_llvm-9841d21a31cbc34a0915671ac89116215568ace7.tar.gz external_llvm-9841d21a31cbc34a0915671ac89116215568ace7.tar.bz2 | |
Match wrapper node for address
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70731 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/MSP430/MSP430ISelDAGToDAG.cpp | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/lib/Target/MSP430/MSP430ISelDAGToDAG.cpp b/lib/Target/MSP430/MSP430ISelDAGToDAG.cpp index 3b28668..e564e63 100644 --- a/lib/Target/MSP430/MSP430ISelDAGToDAG.cpp +++ b/lib/Target/MSP430/MSP430ISelDAGToDAG.cpp @@ -79,7 +79,8 @@ bool MSP430DAGToDAGISel::SelectAddr(SDValue Op, SDValue Addr, return false; // Operand is a result from ADD with constant operand which fits into i16. - if (Addr.getOpcode() == ISD::ADD) { + switch (Addr.getOpcode()) { + case ISD::ADD: if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1))) { uint64_t CVal = CN->getZExtValue(); // Offset should fit into 16 bits. @@ -94,7 +95,21 @@ bool MSP430DAGToDAGISel::SelectAddr(SDValue Op, SDValue Addr, return true; } } - } + break; + case MSP430ISD::Wrapper: + SDValue N0 = Addr.getOperand(0); + if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(N0)) { + // We can match addresses of globals without any offsets + if (!G->getOffset()) { + Base = CurDAG->getTargetGlobalAddress(G->getGlobal(), + MVT::i16, 0); + Disp = CurDAG->getTargetConstant(0, MVT::i16); + + return true; + } + } + break; + }; Base = Addr; Disp = CurDAG->getTargetConstant(0, MVT::i16); |