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Move isShuffleLegal from TLI to Legalize.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27398 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-04 17:21:22 +00:00
parent 2ffc00a1d5
commit c45420ddd2
1 changed files with 8 additions and 17 deletions
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25
include/llvm/Target/TargetLowering.h
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@ -192,6 +192,14 @@ public:
return LegalFPImmediates.end();
}
/// 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 values
/// are assumed to be legal.
virtual bool isShuffleMaskLegal(SDOperand Mask, MVT::ValueType VT) const {
return true;
}
/// 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
@ -207,15 +215,6 @@ public:
getOperationAction(Op, VT) == Custom;
}
/// isVectorShuffleLegal - Return true if a vector shuffle is legal with the
/// specified mask and type. Targets can specify exactly which masks they
/// support and the code generator is tasked with not creating illegal masks.
bool isShuffleLegal(MVT::ValueType VT, SDOperand Mask) const {
return isOperationLegal(ISD::VECTOR_SHUFFLE, VT) &&
isShuffleMaskLegal(Mask, VT);
}
/// getTypeToPromoteTo - If the action for this operation is to promote, this
/// method returns the ValueType to promote to.
MVT::ValueType getTypeToPromoteTo(unsigned Op, MVT::ValueType VT) const {
@ -515,14 +514,6 @@ protected:
TargetDAGCombineArray[NT >> 3] |= 1 << (NT&7);
}
/// 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 values
/// are assumed to be legal.
virtual bool isShuffleMaskLegal(SDOperand Mask, MVT::ValueType VT) const {
return true;
}
public:
//===--------------------------------------------------------------------===//