diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2018-01-06 21:34:26 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2018-01-06 21:34:26 +0000 |
| commit | d215fd3b74b90f5dc1964610926fcc2a20f959aa (patch) | |
| tree | 0c9f21e40eae033d6760008729f37d2103e2c654 /lib/IR/BasicBlock.cpp | |
| parent | b8a2042aa938069e862750553db0e4d82d25822c (diff) | |
Diffstat (limited to 'lib/IR/BasicBlock.cpp')
| -rw-r--r-- | lib/IR/BasicBlock.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/IR/BasicBlock.cpp b/lib/IR/BasicBlock.cpp index 22513924a96dc..938c40182b92d 100644 --- a/lib/IR/BasicBlock.cpp +++ b/lib/IR/BasicBlock.cpp @@ -264,7 +264,8 @@ const BasicBlock *BasicBlock::getUniqueSuccessor() const { } iterator_range<BasicBlock::phi_iterator> BasicBlock::phis() { - return make_range<phi_iterator>(dyn_cast<PHINode>(&front()), nullptr); + PHINode *P = empty() ? nullptr : dyn_cast<PHINode>(&*begin()); + return make_range<phi_iterator>(P, nullptr); } /// This method is used to notify a BasicBlock that the |