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[AArch64][RegisterBankInfo] Use the generic implementation of copyCost.

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Long term we may want to give high cost at FPR to/from GPR copies.

llvm-svn: 272086
This commit is contained in:
Quentin Colombet 2016-06-08 01:24:00 +00:00
parent f822b42dbd
commit 29b8e1633e
1 changed files with 2 additions and 1 deletions
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3
lib/Target/AArch64/AArch64RegisterBankInfo.cpp
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@ -71,7 +71,8 @@ unsigned AArch64RegisterBankInfo::copyCost(const RegisterBank &A,
// Will introduce other hooks for different size:
// * extract cost.
// * build_sequence cost.
return 0;
// TODO: Add more accurate cost for FPR to/from GPR.
return RegisterBankInfo::copyCost(A, B, Size);
}
const RegisterBank &AArch64RegisterBankInfo::getRegBankFromRegClass(