Commit dc141af7 authored by Dominik Montada's avatar Dominik Montada Committed by Matt Arsenault
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[GlobalISel] (fix) Use pointer type size for offset constant when lowering stores 

Commit 9965b12f was supposed to change the offset constant when
lowering load/stores, but only introduced this change for loads. This
patch adds the same fix for stores.
parent ef465d0a

llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp

+2 −2
Original line number Diff line number Diff line
@@ -2346,8 +2346,8 @@ LegalizerHelper::lower(MachineInstr &MI, unsigned TypeIdx, LLT Ty) { 


    // Generate the PtrAdd and truncating stores.

    LLT PtrTy = MRI.getType(PtrReg);

    auto OffsetCst =

        MIRBuilder.buildConstant(LLT::scalar(64), LargeSplitSize / 8);

    auto OffsetCst = MIRBuilder.buildConstant(

            LLT::scalar(PtrTy.getSizeInBits()), LargeSplitSize / 8);

    Register PtrAddReg = MRI.createGenericVirtualRegister(PtrTy);

    auto SmallPtr =

        MIRBuilder.buildPtrAdd(PtrAddReg, PtrReg, OffsetCst.getReg(0));