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6483751a36
This commit refactors the lowering of the COPY_STRUCT_BYVAL_I32 pseudo-instruction in the ARM backend. We introduce a new helper class that encapsulates all of the operations needed during the lowering. The operations are implemented for each subtarget in different subclasses. Currently only arm and thumb2 subtargets are supported. This refactoring was done to easily implement support for thumb1 subtargets. This initial patch does not add support for thumb1, but is only a refactoring. A follow on patch will implement the support for thumb1 subtargets. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192915 91177308-0d34-0410-b5e6-96231b3b80d8
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