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More flexible TargetLowering LSR hooks for testing whether an immediate is a legal target address immediate or scale.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35076 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1931,15 +1931,25 @@ getRegForInlineAsmConstraint(const std::string &Constraint,
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// Loop Strength Reduction hooks
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//===----------------------------------------------------------------------===//
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/// isLegalAddressImmediate - Return true if the integer value or
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/// GlobalValue can be used as the offset of the target addressing mode.
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bool TargetLowering::isLegalAddressImmediate(int64_t V) const {
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/// isLegalAddressImmediate - Return true if the integer value can be used as
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/// the offset of the target addressing mode for load / store of the given
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/// type.
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bool TargetLowering::isLegalAddressImmediate(int64_t V, const Type *Ty) const {
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return false;
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}
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/// isLegalAddressImmediate - Return true if the GlobalValue can be used as
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/// the offset of the target addressing mode.
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bool TargetLowering::isLegalAddressImmediate(GlobalValue *GV) const {
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return false;
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}
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/// isLegalAddressScale - Return true if the integer value can be used as the
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/// scale of the target addressing mode for load / store of the given type.
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bool TargetLowering::isLegalAddressScale(int64_t S, const Type *Ty) const {
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return false;
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}
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// Magic for divide replacement
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