diff options
Diffstat (limited to 'llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp index 0f23c2f0358..5f23d253f56 100644 --- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp +++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp @@ -177,6 +177,8 @@ LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalar(MachineInstr &MI, MIRBuilder.buildConstant(Offset, i * NarrowSize / 8); MIRBuilder.buildGEP(SrcReg, MI.getOperand(1).getReg(), Offset); + // TODO: This is conservatively correct, but we probably want to split the + // memory operands in the future. MIRBuilder.buildLoad(DstReg, SrcReg, **MI.memoperands_begin()); DstRegs.push_back(DstReg); @@ -202,6 +204,8 @@ LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalar(MachineInstr &MI, unsigned Offset = MRI.createGenericVirtualRegister(LLT::scalar(64)); MIRBuilder.buildConstant(Offset, i * NarrowSize / 8); MIRBuilder.buildGEP(DstReg, MI.getOperand(1).getReg(), Offset); + // TODO: This is conservatively correct, but we probably want to split the + // memory operands in the future. MIRBuilder.buildStore(SrcRegs[i], DstReg, **MI.memoperands_begin()); } MI.eraseFromParent(); |
