diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp index 686bdbef9a6..4bea8716b0c 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp @@ -466,6 +466,14 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_FP_EXTEND(SDNode *N) { SDValue Chain = IsStrict ? N->getOperand(0) : SDValue(); + if (getTypeAction(Op.getValueType()) == TargetLowering::TypePromoteFloat) { + Op = GetPromotedFloat(Op); + // If the promotion did the FP_EXTEND to the destination type for us, + // there's nothing left to do here. + if (Op.getValueType() == N->getValueType(0)) + return BitConvertToInteger(Op); + } + // There's only a libcall for f16 -> f32, so proceed in two stages. Also, it's // entirely possible for both f16 and f32 to be legal, so use the fully // hard-float FP_EXTEND rather than FP16_TO_FP. @@ -479,15 +487,6 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_FP_EXTEND(SDNode *N) { } } - if (getTypeAction(Op.getValueType()) == TargetLowering::TypePromoteFloat) { - Op = GetPromotedFloat(Op); - // If the promotion did the FP_EXTEND to the destination type for us, - // there's nothing left to do here. - if (Op.getValueType() == N->getValueType(0)) { - return BitConvertToInteger(Op); - } - } - RTLIB::Libcall LC = RTLIB::getFPEXT(Op.getValueType(), N->getValueType(0)); assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_EXTEND!"); TargetLowering::MakeLibCallOptions CallOptions; |
