From b2efdde06c00023287255d9a09861e43fb5efebd Mon Sep 17 00:00:00 2001 From: Tim Northover Date: Sat, 4 May 2013 16:53:53 +0000 Subject: AArch64: implement support for blockaddress in large code model git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181118 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/AArch64/AArch64ISelLowering.cpp | 31 +++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) (limited to 'lib') diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp index 77324f0..2a2a0a6 100644 --- a/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -1667,17 +1667,26 @@ AArch64TargetLowering::LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const { EVT PtrVT = getPointerTy(); const BlockAddress *BA = cast(Op)->getBlockAddress(); - assert(getTargetMachine().getCodeModel() == CodeModel::Small - && "Only small code model supported at the moment"); - - // The most efficient code is PC-relative anyway for the small memory model, - // so we don't need to worry about relocation model. - return DAG.getNode(AArch64ISD::WrapperSmall, DL, PtrVT, - DAG.getTargetBlockAddress(BA, PtrVT, 0, - AArch64II::MO_NO_FLAG), - DAG.getTargetBlockAddress(BA, PtrVT, 0, - AArch64II::MO_LO12), - DAG.getConstant(/*Alignment=*/ 4, MVT::i32)); + switch(getTargetMachine().getCodeModel()) { + case CodeModel::Small: + // The most efficient code is PC-relative anyway for the small memory model, + // so we don't need to worry about relocation model. + return DAG.getNode(AArch64ISD::WrapperSmall, DL, PtrVT, + DAG.getTargetBlockAddress(BA, PtrVT, 0, + AArch64II::MO_NO_FLAG), + DAG.getTargetBlockAddress(BA, PtrVT, 0, + AArch64II::MO_LO12), + DAG.getConstant(/*Alignment=*/ 4, MVT::i32)); + case CodeModel::Large: + return DAG.getNode( + AArch64ISD::WrapperLarge, DL, PtrVT, + DAG.getTargetBlockAddress(BA, PtrVT, 0, AArch64II::MO_ABS_G3), + DAG.getTargetBlockAddress(BA, PtrVT, 0, AArch64II::MO_ABS_G2_NC), + DAG.getTargetBlockAddress(BA, PtrVT, 0, AArch64II::MO_ABS_G1_NC), + DAG.getTargetBlockAddress(BA, PtrVT, 0, AArch64II::MO_ABS_G0_NC)); + default: + llvm_unreachable("Only small and large code models supported now"); + } } -- cgit v1.1