diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 18 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 7 |
2 files changed, 14 insertions, 11 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 6e58631f0c1..0731299f359 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1599,21 +1599,17 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case 8: LD = DAG.getLoad(MVT::i64, Chain, Addr, NULL, 0); break; } + Addr = LD; if (TLI.getTargetMachine().getRelocationModel() == Reloc::PIC_) { // For PIC, the sequence is: // BRIND(load(Jumptable + index) + RelocBase) - // RelocBase is the JumpTable on PPC and X86, GOT on Alpha - SDOperand Reloc; - if (TLI.usesGlobalOffsetTable()) - Reloc = DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, PTy); - else - Reloc = Table; - Addr = (PTy != MVT::i32) ? DAG.getNode(ISD::SIGN_EXTEND, PTy, LD) : LD; - Addr = DAG.getNode(ISD::ADD, PTy, Addr, Reloc); - Result = DAG.getNode(ISD::BRIND, MVT::Other, LD.getValue(1), Addr); - } else { - Result = DAG.getNode(ISD::BRIND, MVT::Other, LD.getValue(1), LD); + // RelocBase can be JumpTable, GOT or some sort of global base. + if (PTy != MVT::i32) + Addr = DAG.getNode(ISD::SIGN_EXTEND, PTy, Addr); + Addr = DAG.getNode(ISD::ADD, PTy, Addr, + TLI.getPICJumpTableRelocBase(Table, DAG)); } + Result = DAG.getNode(ISD::BRIND, MVT::Other, LD.getValue(1), Addr); } } break; diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 3708b1cb9a7..eadfa1fbb29 100644 --- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -393,6 +393,13 @@ unsigned TargetLowering::getVectorTypeBreakdown(MVT::ValueType VT, return 1; } +SDOperand TargetLowering::getPICJumpTableRelocBase(SDOperand Table, + SelectionDAG &DAG) const { + if (usesGlobalOffsetTable()) + return DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, getPointerTy()); + return Table; +} + //===----------------------------------------------------------------------===// // Optimization Methods //===----------------------------------------------------------------------===// |

