[DeLICM] Refector out parseSetOrNull. NFC.
commit08a321ae68820e21c7d0f7847210bbe33c638524
authorMichael Kruse <llvm@meinersbur.de>
Mon, 20 Mar 2017 15:37:32 +0000 (20 15:37 +0000)
committerMichael Kruse <llvm@meinersbur.de>
Mon, 20 Mar 2017 15:37:32 +0000 (20 15:37 +0000)
tree62e82e2dd9451b29b20c8df24fef72f5d7586886
parentf689c3242dc9d6b5f37cf3073019cdc640febff1
[DeLICM] Refector out parseSetOrNull. NFC.

Note that the isl::union_set(isl_ctx,std::string) constructor will
auto-convert the char* to an std::string. Converting a nullptr to
std::string is undefined in C++11 (sect. 21.4.2.9).

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@298259 91177308-0d34-0410-b5e6-96231b3b80d8
unittests/DeLICM/DeLICMTest.cpp