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33a537a5c4
Also allow trailing register mask operands on non-variadic both MachineSDNodes and MachineInstrs. The extra physreg RegisterSDNode operands are added to the MI as <imp-use> operands. This makes it possible to have non-variadic call instructions. Call and return instructions really are non-variadic, the argument registers should only be used implicitly - they are not part of the encoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159727 91177308-0d34-0410-b5e6-96231b3b80d8
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