diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp index 508fb4802ae..de1d94c72b0 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp @@ -1228,7 +1228,6 @@ void DAGTypeLegalizer::ExpandIntRes_ADDSUB(SDNode *N, GetExpandedInteger(N->getOperand(1), RHSL, RHSH); MVT NVT = LHSL.getValueType(); - SDVTList VTList = DAG.getVTList(NVT, MVT::Flag); SDValue LoOps[2] = { LHSL, RHSL }; SDValue HiOps[3] = { LHSH, RHSH }; @@ -1242,6 +1241,7 @@ void DAGTypeLegalizer::ExpandIntRes_ADDSUB(SDNode *N, TLI.getTypeToExpandTo(NVT)); if (hasCarry) { + SDVTList VTList = DAG.getVTList(NVT, MVT::Flag); if (N->getOpcode() == ISD::ADD) { Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); HiOps[2] = Lo.getValue(1); @@ -1253,8 +1253,8 @@ void DAGTypeLegalizer::ExpandIntRes_ADDSUB(SDNode *N, } } else { if (N->getOpcode() == ISD::ADD) { - Lo = DAG.getNode(ISD::ADD, VTList, LoOps, 2); - Hi = DAG.getNode(ISD::ADD, VTList, HiOps, 2); + Lo = DAG.getNode(ISD::ADD, NVT, LoOps, 2); + Hi = DAG.getNode(ISD::ADD, NVT, HiOps, 2); SDValue Cmp1 = DAG.getSetCC(TLI.getSetCCResultType(Lo), Lo, LoOps[0], ISD::SETULT); SDValue Carry1 = DAG.getNode(ISD::SELECT, NVT, Cmp1, @@ -1266,9 +1266,10 @@ void DAGTypeLegalizer::ExpandIntRes_ADDSUB(SDNode *N, DAG.getConstant(1, NVT), Carry1); Hi = DAG.getNode(ISD::ADD, NVT, Hi, Carry2); } else { - Lo = DAG.getNode(ISD::SUB, VTList, LoOps, 2); - Hi = DAG.getNode(ISD::SUB, VTList, HiOps, 2); - SDValue Cmp = DAG.getSetCC(NVT, LoOps[0], LoOps[1], ISD::SETULT); + Lo = DAG.getNode(ISD::SUB, NVT, LoOps, 2); + Hi = DAG.getNode(ISD::SUB, NVT, HiOps, 2); + SDValue Cmp = DAG.getSetCC(TLI.getSetCCResultType(LoOps[0]), + LoOps[0], LoOps[1], ISD::SETULT); SDValue Borrow = DAG.getNode(ISD::SELECT, NVT, Cmp, DAG.getConstant(1, NVT), DAG.getConstant(0, NVT)); diff --git a/test/CodeGen/Alpha/2008-11-12-Add128.ll b/test/CodeGen/Alpha/2008-11-12-Add128.ll new file mode 100644 index 00000000000..e6e57464cb2 --- /dev/null +++ b/test/CodeGen/Alpha/2008-11-12-Add128.ll @@ -0,0 +1,14 @@ +; RUN: llvm-as < %s | llc +; PR3044 +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f128:128:128" +target triple = "alphaev6-unknown-linux-gnu" + +define i128 @__mulvti3(i128 %u, i128 %v) nounwind { +entry: + %0 = load i128* null, align 16 ; [#uses=1] + %1 = load i64* null, align 8 ; [#uses=1] + %2 = zext i64 %1 to i128 ; [#uses=1] + %3 = add i128 %2, %0 ; [#uses=1] + store i128 %3, i128* null, align 16 + unreachable +}