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| author | Tim Northover <Tim.Northover@arm.com> | 2013-05-04 16:54:00 +0000 |
|---|---|---|
| committer | Tim Northover <Tim.Northover@arm.com> | 2013-05-04 16:54:00 +0000 |
| commit | cd1b09b25b57c1fb09a50ded1d6852a5a1cb6377 (patch) | |
| tree | 48dac9efb691dc9637b0c4c59677a0ca9f4dc0f4 /lib | |
| parent | b2efdde06c00023287255d9a09861e43fb5efebd (diff) | |
| download | llvm-cd1b09b25b57c1fb09a50ded1d6852a5a1cb6377.tar.gz llvm-cd1b09b25b57c1fb09a50ded1d6852a5a1cb6377.tar.bz2 llvm-cd1b09b25b57c1fb09a50ded1d6852a5a1cb6377.tar.xz | |
AArch64: support large code model for jump-tables
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181119 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/AArch64/AArch64ISelLowering.cpp | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp index 2a2a0a626e..dfc5ad01dd 100644 --- a/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -2133,14 +2133,27 @@ SDValue AArch64TargetLowering::LowerJumpTable(SDValue Op, SelectionDAG &DAG) const { JumpTableSDNode *JT = cast<JumpTableSDNode>(Op); DebugLoc dl = JT->getDebugLoc(); + EVT PtrVT = getPointerTy(); // When compiling PIC, jump tables get put in the code section so a static // relocation-style is acceptable for both cases. - return DAG.getNode(AArch64ISD::WrapperSmall, dl, getPointerTy(), - DAG.getTargetJumpTable(JT->getIndex(), getPointerTy()), - DAG.getTargetJumpTable(JT->getIndex(), getPointerTy(), - AArch64II::MO_LO12), - DAG.getConstant(1, MVT::i32)); + switch (getTargetMachine().getCodeModel()) { + case CodeModel::Small: + return DAG.getNode(AArch64ISD::WrapperSmall, dl, PtrVT, + DAG.getTargetJumpTable(JT->getIndex(), PtrVT), + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, + AArch64II::MO_LO12), + DAG.getConstant(1, MVT::i32)); + case CodeModel::Large: + return DAG.getNode( + AArch64ISD::WrapperLarge, dl, PtrVT, + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, AArch64II::MO_ABS_G3), + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, AArch64II::MO_ABS_G2_NC), + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, AArch64II::MO_ABS_G1_NC), + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, AArch64II::MO_ABS_G0_NC)); + default: + llvm_unreachable("Only small and large code models supported now"); + } } // (SELECT_CC lhs, rhs, iftrue, iffalse, condcode) |