[DSE] Add test to make sure memccpy does not kill stores.
authorFlorian Hahn <flo@fhahn.com>
Tue, 20 Oct 2020 12:56:46 +0000 (13:56 +0100)
committerFlorian Hahn <flo@fhahn.com>
Tue, 20 Oct 2020 13:18:11 +0000 (14:18 +0100)
commitf558256939c47b8b5f59c19c71e04324df8ca26a
treef0b0826759b2133e6b6088327755843b2e54ad40
parente372a5f86f6488bb0c2593a665d51fdd3a97c6e4
[DSE] Add test to make sure memccpy does not kill stores.

It is not known how many bytes are written by memccpy, so it cannot kill
any stores.
llvm/test/Transforms/DeadStoreElimination/MSSA/libcalls.ll