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(parent: 2dd7657) | patch
Teach DAE that even though it can't modify the function signature of an
authorNick Lewycky <nicholas@mxc.ca>
Sat, 23 Jan 2010 19:19:34 +0000 (19:19 +0000)
committerNick Lewycky <nicholas@mxc.ca>
Sat, 23 Jan 2010 19:19:34 +0000 (19:19 +0000)
commitdbeecede809c1bffb016e48674622c5e8cb75a0c
tree556c6a94a4086d041b146f7c1938a9adef9b1424tree | snapshot
parent2dd7657a5b063e6f77c34f418b7e23654b6fe4a0commit | diff
Teach DAE that even though it can't modify the function signature of an
externally visible function, it can still find all callers of it and replace
the parameters to a dead argument with undef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94322 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/IPO/DeadArgumentElimination.cpp diff | blob | history
test/Transforms/DeadArgElim/deadexternal.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors