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[LegalizeTypes] Merge ExpandIntRes_LLROUND and ExpandIntRes_LLRINT into one function that handles both. NFC 

These too functions are were the same except for which libcall gets
emitted. Just merge them into one.

This is prep work for some other work including strict fp support.
This commit is contained in:
Craig Topper 2019-11-16 19:27:43 -08:00
parent 8eeabbaf5d
commit d4ba11ae32
2 changed files with 31 additions and 44 deletions
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72
llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
View File

@ -1698,8 +1698,8 @@ void DAGTypeLegalizer::ExpandIntegerResult(SDNode *N, unsigned ResNo) {
case ISD::FLT_ROUNDS_: ExpandIntRes_FLT_ROUNDS(N, Lo, Hi); break;
case ISD::FP_TO_SINT: ExpandIntRes_FP_TO_SINT(N, Lo, Hi); break;
case ISD::FP_TO_UINT: ExpandIntRes_FP_TO_UINT(N, Lo, Hi); break;
case ISD::LLROUND: ExpandIntRes_LLROUND(N, Lo, Hi); break;
case ISD::LLRINT: ExpandIntRes_LLRINT(N, Lo, Hi); break;
case ISD::LLROUND:
case ISD::LLRINT: ExpandIntRes_LLROUND_LLRINT(N, Lo, Hi); break;
case ISD::LOAD: ExpandIntRes_LOAD(cast<LoadSDNode>(N), Lo, Hi); break;
case ISD::MUL: ExpandIntRes_MUL(N, Lo, Hi); break;
case ISD::READCYCLECOUNTER: ExpandIntRes_READCYCLECOUNTER(N, Lo, Hi); break;
@ -2584,49 +2584,37 @@ void DAGTypeLegalizer::ExpandIntRes_FP_TO_UINT(SDNode *N, SDValue &Lo,
Lo, Hi);
}
void DAGTypeLegalizer::ExpandIntRes_LLROUND(SDNode *N, SDValue &Lo,
SDValue &Hi) {
RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
void DAGTypeLegalizer::ExpandIntRes_LLROUND_LLRINT(SDNode *N, SDValue &Lo,
SDValue &Hi) {
EVT VT = N->getOperand(0).getValueType().getSimpleVT().SimpleTy;
if (VT == MVT::f32)
LC = RTLIB::LLROUND_F32;
else if (VT == MVT::f64)
LC = RTLIB::LLROUND_F64;
else if (VT == MVT::f80)
LC = RTLIB::LLROUND_F80;
else if (VT == MVT::f128)
LC = RTLIB::LLROUND_F128;
else if (VT == MVT::ppcf128)
LC = RTLIB::LLROUND_PPCF128;
assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected llround input type!");
SDValue Op = N->getOperand(0);
if (getTypeAction(Op.getValueType()) == TargetLowering::TypePromoteFloat)
Op = GetPromotedFloat(Op);
SDLoc dl(N);
EVT RetVT = N->getValueType(0);
TargetLowering::MakeLibCallOptions CallOptions;
CallOptions.setSExt(true);
SplitInteger(TLI.makeLibCall(DAG, LC, RetVT, Op, CallOptions, dl).first,
Lo, Hi);
}
void DAGTypeLegalizer::ExpandIntRes_LLRINT(SDNode *N, SDValue &Lo,
SDValue &Hi) {
RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
EVT VT = N->getOperand(0).getValueType().getSimpleVT().SimpleTy;
if (VT == MVT::f32)
LC = RTLIB::LLRINT_F32;
else if (VT == MVT::f64)
LC = RTLIB::LLRINT_F64;
else if (VT == MVT::f80)
LC = RTLIB::LLRINT_F80;
else if (VT == MVT::f128)
LC = RTLIB::LLRINT_F128;
else if (VT == MVT::ppcf128)
LC = RTLIB::LLRINT_PPCF128;
assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected llrint input type!");
if (N->getOpcode() == ISD::LLROUND) {
if (VT == MVT::f32)
LC = RTLIB::LLROUND_F32;
else if (VT == MVT::f64)
LC = RTLIB::LLROUND_F64;
else if (VT == MVT::f80)
LC = RTLIB::LLROUND_F80;
else if (VT == MVT::f128)
LC = RTLIB::LLROUND_F128;
else if (VT == MVT::ppcf128)
LC = RTLIB::LLROUND_PPCF128;
assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected llround input type!");
} else if (N->getOpcode() == ISD::LLRINT) {
if (VT == MVT::f32)
LC = RTLIB::LLRINT_F32;
else if (VT == MVT::f64)
LC = RTLIB::LLRINT_F64;
else if (VT == MVT::f80)
LC = RTLIB::LLRINT_F80;
else if (VT == MVT::f128)
LC = RTLIB::LLRINT_F128;
else if (VT == MVT::ppcf128)
LC = RTLIB::LLRINT_PPCF128;
assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected llrint input type!");
} else
llvm_unreachable("Unexpected opcode!");
SDValue Op = N->getOperand(0);
if (getTypeAction(Op.getValueType()) == TargetLowering::TypePromoteFloat)

3
llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
View File

@ -411,8 +411,7 @@ private:
void ExpandIntRes_FLT_ROUNDS (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandIntRes_FP_TO_SINT (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandIntRes_FP_TO_UINT (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandIntRes_LLROUND (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandIntRes_LLRINT (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandIntRes_LLROUND_LLRINT (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandIntRes_Logical (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandIntRes_ADDSUB (SDNode *N, SDValue &Lo, SDValue &Hi);