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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2013-07-01 19:44:44 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2013-07-01 19:44:44 +0000 |
| commit | 27253f5edd04791bfbd0b5dd6e228be1d8071fce (patch) | |
| tree | 2b254a5e68e685a6c1d8e2df0e03985db744a28b /lib | |
| parent | 03fae50cfa5631349fbd47f4c232fc78f5b3b8af (diff) | |
| download | external_llvm-27253f5edd04791bfbd0b5dd6e228be1d8071fce.zip external_llvm-27253f5edd04791bfbd0b5dd6e228be1d8071fce.tar.gz external_llvm-27253f5edd04791bfbd0b5dd6e228be1d8071fce.tar.bz2 | |
Add jump tables handling for MSP430.
Patch by Job Noorman!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185364 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/MSP430/MSP430ISelLowering.cpp | 10 | ||||
| -rw-r--r-- | lib/Target/MSP430/MSP430ISelLowering.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/MSP430/MSP430ISelLowering.cpp b/lib/Target/MSP430/MSP430ISelLowering.cpp index 3c19213..168e3f1 100644 --- a/lib/Target/MSP430/MSP430ISelLowering.cpp +++ b/lib/Target/MSP430/MSP430ISelLowering.cpp @@ -169,6 +169,7 @@ MSP430TargetLowering::MSP430TargetLowering(MSP430TargetMachine &tm) : setOperationAction(ISD::VAARG, MVT::Other, Expand); setOperationAction(ISD::VAEND, MVT::Other, Expand); setOperationAction(ISD::VACOPY, MVT::Other, Expand); + setOperationAction(ISD::JumpTable, MVT::i16, Custom); // Libcalls names. if (HWMultMode == HWMultIntr) { @@ -199,6 +200,7 @@ SDValue MSP430TargetLowering::LowerOperation(SDValue Op, case ISD::RETURNADDR: return LowerRETURNADDR(Op, DAG); case ISD::FRAMEADDR: return LowerFRAMEADDR(Op, DAG); case ISD::VASTART: return LowerVASTART(Op, DAG); + case ISD::JumpTable: return LowerJumpTable(Op, DAG); default: llvm_unreachable("unimplemented operand"); } @@ -981,6 +983,14 @@ SDValue MSP430TargetLowering::LowerVASTART(SDValue Op, false, false, 0); } +SDValue MSP430TargetLowering::LowerJumpTable(SDValue Op, + SelectionDAG &DAG) const { + JumpTableSDNode *JT = cast<JumpTableSDNode>(Op); + SDValue Result = DAG.getTargetJumpTable(JT->getIndex(), getPointerTy()); + Result.getNode()->setDebugLoc(JT->getDebugLoc()); + return Result; +} + /// getPostIndexedAddressParts - returns true by value, base pointer and /// offset pointer and addressing mode by reference if this node can be /// combined with a load / store to form a post-indexed load / store. diff --git a/lib/Target/MSP430/MSP430ISelLowering.h b/lib/Target/MSP430/MSP430ISelLowering.h index 878b207..85a861e 100644 --- a/lib/Target/MSP430/MSP430ISelLowering.h +++ b/lib/Target/MSP430/MSP430ISelLowering.h @@ -93,6 +93,7 @@ namespace llvm { SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const; SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const; SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const; + SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const; SDValue getReturnAddressFrameIndex(SelectionDAG &DAG) const; TargetLowering::ConstraintType |