diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 6a05e5473bb..a5c698bc4ed 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -2622,6 +2622,7 @@ SDValue ARMTargetLowering::LowerGlobalTLSAddressWindows(SDValue Op, SelectionDAG &DAG) const { assert(Subtarget->isTargetWindows() && "Windows specific TLS lowering"); + SDValue Chain = DAG.getEntryNode(); EVT PtrVT = getPointerTy(DAG.getDataLayout()); SDLoc DL(Op); @@ -2663,8 +2664,17 @@ ARMTargetLowering::LowerGlobalTLSAddressWindows(SDValue Op, DAG.getNode(ISD::ADD, DL, PtrVT, TLSArray, Slot), MachinePointerInfo(), false, false, false, 0); - return DAG.getNode(ISD::ADD, DL, PtrVT, TLS, - LowerGlobalAddressWindows(Op, DAG)); + // Get the offset of the start of the .tls section (section base) + const auto *GA = cast<GlobalAddressSDNode>(Op); + auto *CPV = ARMConstantPoolConstant::Create(GA->getGlobal(), ARMCP::SECREL); + SDValue Offset = + DAG.getLoad(PtrVT, DL, Chain, + DAG.getNode(ARMISD::Wrapper, DL, MVT::i32, + DAG.getTargetConstantPool(CPV, PtrVT, 4)), + MachinePointerInfo::getConstantPool(DAG.getMachineFunction()), + false, false, false, 0); + + return DAG.getNode(ISD::ADD, DL, PtrVT, TLS, Offset); } // Lower ISD::GlobalTLSAddress using the "general dynamic" model |
