From 82bedb1f3ba396b32b0f2275e5e1003e4b143398 Mon Sep 17 00:00:00 2001 From: Anton Korobeynikov Date: Mon, 1 Jul 2013 19:44:44 +0000 Subject: Add jump tables handling for MSP430. Patch by Job Noorman! llvm-svn: 185364 --- llvm/lib/Target/MSP430/MSP430ISelLowering.cpp | 10 ++++++++++ llvm/lib/Target/MSP430/MSP430ISelLowering.h | 1 + 2 files changed, 11 insertions(+) (limited to 'llvm/lib') diff --git a/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp b/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp index 3c19213a85c..168e3f1af5e 100644 --- a/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp +++ b/llvm/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(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/llvm/lib/Target/MSP430/MSP430ISelLowering.h b/llvm/lib/Target/MSP430/MSP430ISelLowering.h index 878b2076bf5..85a861ebecb 100644 --- a/llvm/lib/Target/MSP430/MSP430ISelLowering.h +++ b/llvm/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 -- cgit v1.2.3