Skip to content
Commit 8968e6d1 authored by Alexey Samsonov's avatar Alexey Samsonov
Browse files

Fix null reference creation in ScheduleDAGInstrs constructor call. 

Both MachineLoopInfo and MachineDominatorTree may be null in ScheduleDAGMI
constructor call. It is undefined behavior to take references to these values.

This bug is reported by UBSan.

llvm-svn: 216118
parent d750723d
Hide whitespace changes
Inline Side-by-side
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment