Joseph Tremoulet 0e0be5a9f9 [WinEH] Set NoModuleLevelChanges in clone flags
Summary:
This is necessary to keep the cloner from making bogus copies of debug
metadata attached to the IR it is cloning.
Also, avoid running RemapInstruction over all instructions in the common
case that no cloning was performed.

Reviewers: rnk, andrew.w.kaylor, majnemer

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D13514

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249591 91177308-0d34-0410-b5e6-96231b3b80d8
2015-10-07 19:29:56 +00:00
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