From def27392c1b4792f695b4eb681cd024ade4025bf Mon Sep 17 00:00:00 2001 From: Bill Wendling Date: Mon, 24 Nov 2008 01:38:29 +0000 Subject: Add support for llvm.uadd.with.overflow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59926 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'lib/CodeGen') diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index c115710614..d24c846222 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -4168,13 +4168,16 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) { break; } - case ISD::SADDO: { + case ISD::SADDO: + case ISD::UADDO: { SDValue LHS = LegalizeOp(Node->getOperand(0)); SDValue RHS = LegalizeOp(Node->getOperand(1)); SDValue Sum = DAG.getNode(ISD::ADD, LHS.getValueType(), LHS, RHS); MVT OType = SDValue(Node, 1).getValueType(); - SDValue Cmp = DAG.getSetCC(OType, Sum, LHS, ISD::SETLT); + SDValue Cmp = DAG.getSetCC(OType, Sum, LHS, + (Node->getOpcode() == ISD::SADDO) ? + ISD::SETLT : ISD::SETULT); MVT ValueVTs[] = { LHS.getValueType(), OType }; SDValue Ops[] = { Sum, Cmp }; @@ -4185,9 +4188,6 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) { DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 1), SDValue(RNode, 1)); break; } - case ISD::UADDO: { - break; - } } assert(Result.getValueType() == Op.getValueType() && -- cgit v1.2.3-70-g09d2