[AArch64] fix for fcos and frem f16 promotion.

[SjoerdMeijer]

Summary

Fix for copy-paste mistake in r311154; setOperationAction for fcos and frem f16 operands appeared twice (and it should be set to 'promoted').

[olista01]

LGTM

llvm/trunk/lib/Target/AArch64/AArch64ISelLowering.cpp

if (!Subtarget->hasFullFP16()) {
     setOperationAction(ISD::SELECT,      MVT::f16,  Promote);
     setOperationAction(ISD::SELECT_CC,   MVT::f16,  Promote);
     setOperationAction(ISD::SETCC,       MVT::f16,  Promote);
     setOperationAction(ISD::BR_CC,       MVT::f16,  Promote);
     setOperationAction(ISD::FADD,        MVT::f16,  Promote);
     setOperationAction(ISD::FSUB,        MVT::f16,  Promote);
     setOperationAction(ISD::FMUL,        MVT::f16,  Promote);
     setOperationAction(ISD::FDIV,        MVT::f16,  Promote);
-    setOperationAction(ISD::FREM,        MVT::f16,  Promote);
     setOperationAction(ISD::FMA,         MVT::f16,  Promote);
     setOperationAction(ISD::FNEG,        MVT::f16,  Promote);
     setOperationAction(ISD::FABS,        MVT::f16,  Promote);
     setOperationAction(ISD::FCEIL,       MVT::f16,  Promote);
     setOperationAction(ISD::FSQRT,       MVT::f16,  Promote);
-    setOperationAction(ISD::FCOS,        MVT::f16,  Promote);
     setOperationAction(ISD::FFLOOR,      MVT::f16,  Promote);
     setOperationAction(ISD::FNEARBYINT,  MVT::f16,  Promote);
     setOperationAction(ISD::FRINT,       MVT::f16,  Promote);
     setOperationAction(ISD::FROUND,      MVT::f16,  Promote);
     setOperationAction(ISD::FTRUNC,      MVT::f16,  Promote);
     setOperationAction(ISD::FMINNUM,     MVT::f16,  Promote);
     setOperationAction(ISD::FMAXNUM,     MVT::f16,  Promote);
     setOperationAction(ISD::FMINNAN,     MVT::f16,  Promote);