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musttail: Don't eliminate varargs packs if there is a forwarding call
authorReid Kleckner <reid@kleckner.net>
Tue, 26 Aug 2014 00:59:51 +0000 (00:59 +0000)
committerReid Kleckner <reid@kleckner.net>
Tue, 26 Aug 2014 00:59:51 +0000 (00:59 +0000)
commitfad8d818dbd9784f58b04c0790435620226e0450
treeec21694047181cda904e2e4f1567a2be7299c4aa
parent18637beefefe32e098a3b63e393e87b43cd1db04
musttail: Don't eliminate varargs packs if there is a forwarding call

Also clean up and beef up this grep test for the feature.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216425 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/IPO/DeadArgumentElimination.cpp
test/Transforms/DeadArgElim/dead_vaargs.ll