diff options
Diffstat (limited to 'include/llvm/Target/TargetLowering.h')
| -rw-r--r-- | include/llvm/Target/TargetLowering.h | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index 8bc39d0..ca51102 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -978,7 +978,7 @@ protected: /// not work with the with specified type and indicate what to do about it. void setLoadExtAction(unsigned ExtType, MVT VT, LegalizeAction Action) { - assert((unsigned)VT.SimpleTy < sizeof(LoadExtActions[0])*4 && + assert((unsigned)VT.SimpleTy < MVT::LAST_VALUETYPE && ExtType < array_lengthof(LoadExtActions) && "Table isn't big enough!"); LoadExtActions[ExtType] &= ~(uint64_t(3UL) << VT.SimpleTy*2); @@ -990,7 +990,7 @@ protected: void setTruncStoreAction(MVT ValVT, MVT MemVT, LegalizeAction Action) { assert((unsigned)ValVT.SimpleTy < array_lengthof(TruncStoreActions) && - (unsigned)MemVT.SimpleTy < sizeof(TruncStoreActions[0])*4 && + (unsigned)MemVT.SimpleTy < MVT::LAST_VALUETYPE && "Table isn't big enough!"); TruncStoreActions[ValVT.SimpleTy] &= ~(uint64_t(3UL) << MemVT.SimpleTy*2); TruncStoreActions[ValVT.SimpleTy] |= (uint64_t)Action << MemVT.SimpleTy*2; @@ -1025,7 +1025,7 @@ protected: void setConvertAction(MVT FromVT, MVT ToVT, LegalizeAction Action) { assert((unsigned)FromVT.SimpleTy < array_lengthof(ConvertActions) && - (unsigned)ToVT.SimpleTy < sizeof(ConvertActions[0])*4 && + (unsigned)ToVT.SimpleTy < MVT::LAST_VALUETYPE && "Table isn't big enough!"); ConvertActions[FromVT.SimpleTy] &= ~(uint64_t(3UL) << ToVT.SimpleTy*2); ConvertActions[FromVT.SimpleTy] |= (uint64_t)Action << ToVT.SimpleTy*2; @@ -1035,7 +1035,7 @@ protected: /// supported on the target and indicate what to do about it. void setCondCodeAction(ISD::CondCode CC, MVT VT, LegalizeAction Action) { - assert((unsigned)VT.SimpleTy < sizeof(CondCodeActions[0])*4 && + assert((unsigned)VT.SimpleTy < MVT::LAST_VALUETYPE && (unsigned)CC < array_lengthof(CondCodeActions) && "Table isn't big enough!"); CondCodeActions[(unsigned)CC] &= ~(uint64_t(3UL) << VT.SimpleTy*2); @@ -1167,6 +1167,18 @@ public: return SDValue(); // this is here to silence compiler errors } + /// CanLowerReturn - This hook should be implemented to check whether the + /// return values described by the Outs array can fit into the return + /// registers. If false is returned, an sret-demotion is performed. + /// + virtual bool CanLowerReturn(CallingConv::ID CallConv, bool isVarArg, + const SmallVectorImpl<EVT> &OutTys, + const SmallVectorImpl<ISD::ArgFlagsTy> &ArgsFlags, + SelectionDAG &DAG) + { + // Return true by default to get preexisting behavior. + return true; + } /// LowerReturn - This hook must be implemented to lower outgoing /// return values, described by the Outs array, into the specified /// DAG. The implementation should return the resulting token chain @@ -1502,6 +1514,14 @@ public: return false; } + /// isLegalICmpImmediate - Return true if the specified immediate is legal + /// icmp immediate, that is the target has icmp instructions which can compare + /// a register against the immediate without having to materialize the + /// immediate into a register. + virtual bool isLegalICmpImmediate(int64_t Imm) const { + return true; + } + //===--------------------------------------------------------------------===// // Div utility functions // |
