diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.h')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.h b/llvm/lib/Target/X86/X86ISelLowering.h index 66a9107f945..3d334a064b2 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.h +++ b/llvm/lib/Target/X86/X86ISelLowering.h @@ -499,6 +499,11 @@ namespace llvm { /// from i32 to i8 but not from i32 to i16. virtual bool isNarrowingProfitable(EVT VT1, EVT VT2) const; + /// isFPImmLegal - Returns true if the target can instruction select the + /// specified FP immediate natively. If false, the legalizer will + /// materialize the FP immediate as a load from a constant pool. + virtual bool isFPImmLegal(const APFloat &Imm) const; + /// isShuffleMaskLegal - Targets can use this to indicate that they only /// support *some* VECTOR_SHUFFLE operations, those with specific masks. /// By default, if a target supports the VECTOR_SHUFFLE node, all mask @@ -584,6 +589,15 @@ namespace llvm { bool X86ScalarSSEf32; bool X86ScalarSSEf64; + /// LegalFPImmediates - A list of legal fp immediates. + std::vector<APFloat> LegalFPImmediates; + + /// addLegalFPImmediate - Indicate that this x86 target can instruction + /// select the specified FP immediate natively. + void addLegalFPImmediate(const APFloat& Imm) { + LegalFPImmediates.push_back(Imm); + } + SDValue LowerCallResult(SDValue Chain, SDValue InFlag, CallingConv::ID CallConv, bool isVarArg, const SmallVectorImpl<ISD::InputArg> &Ins, |
