[Loop Peeling] Fix the bug with IDom setting for exit loops
It is possible that loop exit has two predecessors in a loop body.
In this case after the peeling the iDom of the exit should be a clone of
iDom of original exit but no a clone of a block coming to this exit.
Reviewers: reames, fhahn
Reviewed By: reames
Subscribers: hiraditya, zzheng, llvm-commits
Differential Revision: https://reviews.llvm.org/D64618
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366050
91177308-0d34-0410-b5e6-
96231b3b80d8
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