diff options
| -rw-r--r-- | include/llvm/Target/TargetLowering.h | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index 92ffd398a5..1498479041 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -99,10 +99,10 @@ public: return RC; } - /// hasNativeSupportFor - Return true if the target has native support for the + /// isTypeLegal - Return true if the target has native support for the /// specified value type. This means that it has a register that directly /// holds it without promotions or expansions. - bool hasNativeSupportFor(MVT::ValueType VT) const { + bool isTypeLegal(MVT::ValueType VT) const { return RegClassForVT[VT] != 0; } @@ -132,15 +132,17 @@ public: return LegalFPImmediates.end(); } - /// getOperationAction - Return how this operation should be + /// getOperationAction - Return how this operation should be treated: either + /// it is legal, needs to be promoted to a larger size, needs to be + /// expanded to some other code sequence, or the target has a custom expander + /// for it. LegalizeAction getOperationAction(unsigned Op, MVT::ValueType VT) const { return (LegalizeAction)((OpActions[Op] >> (2*VT)) & 3); } - - /// hasNativeSupportForOperation - Return true if this operation is legal for - /// this type. - /// - bool hasNativeSupportForOperation(unsigned Op, MVT::ValueType VT) const { + + /// isOperationLegal - Return true if the specified operation is legal on this + /// target. + bool isOperationLegal(unsigned Op, MVT::ValueType VT) const { return getOperationAction(Op, VT) == Legal; } @@ -154,8 +156,8 @@ public: NVT = (MVT::ValueType)(NVT+1); assert(MVT::isInteger(NVT) == MVT::isInteger(VT) && NVT != MVT::isVoid && "Didn't find type to promote to!"); - } while (!hasNativeSupportFor(NVT) || - getOperationAction(Op, NVT) == Promote); + } while (!isTypeLegal(NVT) || + getOperationAction(Op, NVT) == Promote); return NVT; } |