Michael Kruse 9f305371d9 [CodeGen] Fix potential null pointer dereference. NFC. ...

ScalarEvolution::getSCEV dereferences its argument, s.t. passing nullptr
leads to undefined behaviour.

Check for nullptr before calling it instead of checking its argument
afterwards.

llvm-svn: 336350

2018-07-05 13:44:50 +00:00

8.2 KiB

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