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(parent: 1fe907e) | patch
Make DeadArgumentElimination more conservative on variadic functions
authorTim Northover <tnorthover@apple.com>
Sun, 9 Jun 2013 02:17:27 +0000 (02:17 +0000)
committerTim Northover <tnorthover@apple.com>
Sun, 9 Jun 2013 02:17:27 +0000 (02:17 +0000)
commitd84b17e157bb27bed236a400cccf4562d0b19d96
tree0e00c7bb41f39ab536f58add300d86e0e49003f7tree | snapshot
parent1fe907e7f2de32df894373e24a10c8f54534d770commit | diff
Make DeadArgumentElimination more conservative on variadic functions

Variadic functions are particularly fragile in the face of ABI changes, so this
limits how much the pass changes them

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183625 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/IPO/DeadArgumentElimination.cpp diff | blob | history
test/Transforms/DeadArgElim/variadic_safety.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors