Igor Laevsky 68beb2a9ec Teach lowering to correctly handle invoke statepoint and gc results tied to them. Note that we still can not lower gc.relocates for invoke statepoints. ...

Also it extracts getCopyFromRegs helper function in SelectionDAGBuilder as we need to be able to customize type of the register exported from basic block during lowering of the gc.result.
(Resubmitting this change after not being able to reproduce buildbot failure)

Differential Revision: http://reviews.llvm.org/D7760



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231800 91177308-0d34-0410-b5e6-96231b3b80d8

2015-03-10 16:26:48 +00:00

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