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remove some dead hooks

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35845 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-04-09 23:31:19 +00:00
parent 9fda270e2c
commit eb8c74ddf2
2 changed files with 0 additions and 49 deletions
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35
lib/Target/X86/X86ISelLowering.cpp
View File

@ -4092,41 +4092,6 @@ bool X86TargetLowering::isLegalAddressingMode(const AddrMode &AM,
}
/// isLegalAddressImmediate - Return true if the integer value can be used
/// as the offset of the target addressing mode for load / store of the
/// given type.
bool X86TargetLowering::isLegalAddressImmediate(int64_t V,const Type *Ty) const{
// X86 allows a sign-extended 32-bit immediate field.
return (V > -(1LL << 32) && V < (1LL << 32)-1);
}
/// isLegalAddressImmediate - Return true if the GlobalValue can be used as
/// the offset of the target addressing mode.
bool X86TargetLowering::isLegalAddressImmediate(GlobalValue *GV) const {
// In 64-bit mode, GV is 64-bit so it won't fit in the 32-bit displacement
// field unless we are in small code model.
if (Subtarget->is64Bit() &&
getTargetMachine().getCodeModel() != CodeModel::Small)
return false;
return (!Subtarget->GVRequiresExtraLoad(GV, getTargetMachine(), false));
}
/// isLegalAddressScale - Return true if the integer value can be used as the
/// scale of the target addressing mode for load / store of the given type.
bool X86TargetLowering::isLegalAddressScale(int64_t S, const Type *Ty) const {
switch (S) {
default:
return false;
case 2: case 4: case 8:
return true;
// FIXME: These require both scale + index last and thus more expensive.
// How to tell LSR to try for 2, 4, 8 first?
case 3: case 5: case 9:
return true;
}
}
/// 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

14
lib/Target/X86/X86ISelLowering.h
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@ -339,20 +339,6 @@ namespace llvm {
/// by AM is legal for this target, for a load/store of the specified type.
virtual bool isLegalAddressingMode(const AddrMode &AM, const Type *Ty)const;
/// isLegalAddressImmediate - Return true if the integer value can be used
/// as the offset of the target addressing mode for load / store of the
/// given type.
virtual bool isLegalAddressImmediate(int64_t V, const Type *Ty) const;
/// isLegalAddressImmediate - Return true if the GlobalValue can be used as
/// the offset of the target addressing mode.
virtual bool isLegalAddressImmediate(GlobalValue *GV) const;
/// isLegalAddressScale - Return true if the integer value can be used as
/// the scale of the target addressing mode for load / store of the given
/// type.
virtual bool isLegalAddressScale(int64_t S, const Type *Ty) 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