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This is needed by assignment verification in linear-scan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11618 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -189,6 +189,14 @@ public:
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return NumRegs;
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}
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/// areAliases - Returns true if the two registers alias each other,
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/// false otherwise
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bool areAliases(unsigned regA, unsigned regB) const {
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for (const unsigned *Alias = getAliasSet(regA); *Alias; ++Alias)
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if (*Alias == regA) return true;
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return false;
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}
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virtual const unsigned* getCalleeSaveRegs() const = 0;
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