diff options
Diffstat (limited to 'lib/Target/AArch64/AArch64ISelLowering.cpp')
-rw-r--r-- | lib/Target/AArch64/AArch64ISelLowering.cpp | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp index 652f129b51..e2e472fa9f 100644 --- a/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -1035,15 +1035,8 @@ AArch64TargetLowering::LowerReturn(SDValue Chain, // Analyze outgoing return values. CCInfo.AnalyzeReturn(Outs, CCAssignFnForNode(CallConv)); - // If this is the first return lowered for this function, add - // the regs to the liveout set for the function. - if (DAG.getMachineFunction().getRegInfo().liveout_empty()) { - for (unsigned i = 0; i != RVLocs.size(); ++i) - if (RVLocs[i].isRegLoc()) - DAG.getMachineFunction().getRegInfo().addLiveOut(RVLocs[i].getLocReg()); - } - SDValue Flag; + SmallVector<SDValue, 4> RetOps(1, Chain); for (unsigned i = 0, e = RVLocs.size(); i != e; ++i) { // PCS: "If the type, T, of the result of a function is such that @@ -1087,13 +1080,17 @@ AArch64TargetLowering::LowerReturn(SDValue Chain, Chain = DAG.getCopyToReg(Chain, dl, VA.getLocReg(), Arg, Flag); Flag = Chain.getValue(1); + RetOps.push_back(DAG.getRegister(VA.getLocReg(), VA.getLocVT())); } - if (Flag.getNode()) { - return DAG.getNode(AArch64ISD::Ret, dl, MVT::Other, Chain, Flag); - } else { - return DAG.getNode(AArch64ISD::Ret, dl, MVT::Other, Chain); - } + RetOps[0] = Chain; // Update chain. + + // Add the flag if we have it. + if (Flag.getNode()) + RetOps.push_back(Flag); + + return DAG.getNode(AArch64ISD::Ret, dl, MVT::Other, + &RetOps[0], RetOps.size()); } SDValue |