diff options
Diffstat (limited to 'lib/Target/Mips/MipsISelLowering.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsISelLowering.cpp | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp index d152e6781a..ddcbb60ba9 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -2659,20 +2659,21 @@ MipsTargetLowering::LowerFormalArguments(SDValue Chain, InVals.push_back(Load); OutChains.push_back(Load.getValue(1)); } - } - // The mips ABIs for returning structs by value requires that we copy - // the sret argument into $v0 for the return. Save the argument into - // a virtual register so that we can access it from the return points. - if (DAG.getMachineFunction().getFunction()->hasStructRetAttr()) { - unsigned Reg = MipsFI->getSRetReturnReg(); - if (!Reg) { - Reg = MF.getRegInfo().createVirtualRegister( - getRegClassFor(isN64() ? MVT::i64 : MVT::i32)); - MipsFI->setSRetReturnReg(Reg); + // The mips ABIs for returning structs by value requires that we copy + // the sret argument into $v0 for the return. Save the argument into + // a virtual register so that we can access it from the return points. + if (Flags.isSRet()) { + unsigned Reg = MipsFI->getSRetReturnReg(); + if (!Reg) { + Reg = MF.getRegInfo().createVirtualRegister( + getRegClassFor(isN64() ? MVT::i64 : MVT::i32)); + MipsFI->setSRetReturnReg(Reg); + } + SDValue Copy = + DAG.getCopyToReg(DAG.getEntryNode(), DL, Reg, InVals.back()); + Chain = DAG.getNode(ISD::TokenFactor, DL, MVT::Other, Copy, Chain); } - SDValue Copy = DAG.getCopyToReg(DAG.getEntryNode(), DL, Reg, InVals[0]); - Chain = DAG.getNode(ISD::TokenFactor, DL, MVT::Other, Copy, Chain); } if (IsVarArg) |