Added CONVERT_RNDSAT (conversion with rounding and saturation) SDNode to
support targets that support these conversions. Users should avoid using
this node as the current targets don't generating code for it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59001 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index 032e8bf..436e5ff 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -3859,6 +3859,38 @@
return 0;
}
+ case Intrinsic::convertff:
+ case Intrinsic::convertfsi:
+ case Intrinsic::convertfui:
+ case Intrinsic::convertsif:
+ case Intrinsic::convertuif:
+ case Intrinsic::convertss:
+ case Intrinsic::convertsu:
+ case Intrinsic::convertus:
+ case Intrinsic::convertuu: {
+ ISD::CvtCode Code = ISD::CVT_INVALID;
+ switch (Intrinsic) {
+ case Intrinsic::convertff: Code = ISD::CVT_FF; break;
+ case Intrinsic::convertfsi: Code = ISD::CVT_FS; break;
+ case Intrinsic::convertfui: Code = ISD::CVT_FU; break;
+ case Intrinsic::convertsif: Code = ISD::CVT_SF; break;
+ case Intrinsic::convertuif: Code = ISD::CVT_UF; break;
+ case Intrinsic::convertss: Code = ISD::CVT_SS; break;
+ case Intrinsic::convertsu: Code = ISD::CVT_SU; break;
+ case Intrinsic::convertus: Code = ISD::CVT_US; break;
+ case Intrinsic::convertuu: Code = ISD::CVT_UU; break;
+ }
+ MVT DestVT = TLI.getValueType(I.getType());
+ Value* Op1 = I.getOperand(1);
+ setValue(&I, DAG.getConvertRndSat(DestVT, getValue(Op1),
+ DAG.getValueType(DestVT),
+ DAG.getValueType(getValue(Op1).getValueType()),
+ getValue(I.getOperand(2)),
+ getValue(I.getOperand(3)),
+ Code));
+ return 0;
+ }
+
case Intrinsic::sqrt:
setValue(&I, DAG.getNode(ISD::FSQRT,
getValue(I.getOperand(1)).getValueType(),