diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineDominators.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineDominators.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineDominators.cpp b/llvm/lib/CodeGen/MachineDominators.cpp index 303a6a9263b..4e348877697 100644 --- a/llvm/lib/CodeGen/MachineDominators.cpp +++ b/llvm/lib/CodeGen/MachineDominators.cpp @@ -143,6 +143,10 @@ void MachineDominatorTree::applySplitCriticalEdges() const { } void MachineDominatorTree::verifyDomTree() const { + if (getRoots().empty()) + // If dominator tree is unavailable, skip verification. + return; + MachineFunction &F = *getRoot()->getParent(); MachineDominatorTree OtherDT; |
