diff options
Diffstat (limited to 'include/llvm/CodeGen/SelectionDAG.h')
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAG.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h index c5cc8f5813..c25497aa97 100644 --- a/include/llvm/CodeGen/SelectionDAG.h +++ b/include/llvm/CodeGen/SelectionDAG.h @@ -935,6 +935,20 @@ public: } } + /// Returns an APFloat semantics tag appropriate for the given type. If VT is + /// a vector type, the element semantics are returned. + static const fltSemantics &EVTToAPFloatSemantics(EVT VT) { + switch (VT.getScalarType().getSimpleVT().SimpleTy) { + default: llvm_unreachable("Unknown FP format"); + case MVT::f16: return APFloat::IEEEhalf; + case MVT::f32: return APFloat::IEEEsingle; + case MVT::f64: return APFloat::IEEEdouble; + case MVT::f80: return APFloat::x87DoubleExtended; + case MVT::f128: return APFloat::IEEEquad; + case MVT::ppcf128: return APFloat::PPCDoubleDouble; + } + } + /// AssignOrdering - Assign an order to the SDNode. void AssignOrdering(const SDNode *SD, unsigned Order); @@ -978,10 +992,8 @@ public: SDValue CreateStackTemporary(EVT VT1, EVT VT2); /// FoldConstantArithmetic - - SDValue FoldConstantArithmetic(unsigned Opcode, - EVT VT, - ConstantSDNode *Cst1, - ConstantSDNode *Cst2); + SDValue FoldConstantArithmetic(unsigned Opcode, EVT VT, + SDNode *Cst1, SDNode *Cst2); /// FoldSetCC - Constant fold a setcc to true or false. SDValue FoldSetCC(EVT VT, SDValue N1, |