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[AArch64][RegisterBankInfo] Teach instruction mapping about gpr32 -> fpr16 cross...
authorQuentin Colombet <qcolombet@apple.com>
Sat, 18 Nov 2017 04:28:56 +0000 (04:28 +0000)
committerQuentin Colombet <qcolombet@apple.com>
Sat, 18 Nov 2017 04:28:56 +0000 (04:28 +0000)
commit91801f68aa27602c2cd5f5dacac7082ed5277677
tree5fa340451fe5391575d26072558e92015e6e8794tree | snapshot
parent8dc0e1095fc4e1afae27a3dd2bba816b47234c1dcommit | diff
[AArch64][RegisterBankInfo] Teach instruction mapping about gpr32 -> fpr16 cross copies

Turns out this copies can actually occur because of the way we lower the
ABI for half.

llvm-svn: 318586
llvm/lib/Target/AArch64/AArch64GenRegisterBankInfo.def diff | blob | history
llvm/test/CodeGen/AArch64/GlobalISel/arm64-regbankselect.mir diff | blob | history
Domain: System / Toolchain;