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Summary: CustomCallingConv is simply a CallingConv that tablegen should not generate the implementation for. It allows regular CallingConv's to delegate to these custom functions. This is (currently) necessary for Mips and we cannot use CCCustom without having to adapt to the different API that CCCustom uses. This brings us a bit closer to being able to remove MipsCC::analyzeCallOperands and MipsCC::analyzeFormalArguments in favour of the common implementation. No functional change to the targets. Depends on D3341 Reviewers: vmedic Reviewed By: vmedic Subscribers: vmedic, llvm-commits Differential Revision: http://reviews.llvm.org/D5965 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221052 91177308-0d34-0410-b5e6-96231b3b80d8
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