Ramkumar Ramachandra 40c3e03e27 Standardize {pred,succ,use,user}_empty() ...

The functions {pred,succ,use,user}_{begin,end} exist, but many users
have to check *_begin() with *_end() by hand to determine if the
BasicBlock or User is empty. Fix this with a standard *_empty(),
demonstrating a few usecases.

llvm-svn: 225760

2015-01-13 03:46:47 +00:00

8.5 KiB

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