diff options
Diffstat (limited to 'lib/CodeGen/MachineSink.cpp')
| -rw-r--r-- | lib/CodeGen/MachineSink.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/MachineSink.cpp b/lib/CodeGen/MachineSink.cpp index c4a533b09b..3837f6d888 100644 --- a/lib/CodeGen/MachineSink.cpp +++ b/lib/CodeGen/MachineSink.cpp @@ -149,11 +149,10 @@ MachineSinking::AllUsesDominatedByBlock(unsigned Reg, assert(TargetRegisterInfo::isVirtualRegister(Reg) && "Only makes sense for vregs"); + // Ignore debug uses because debug info doesn't affect the code. if (MRI->use_nodbg_empty(Reg)) return true; - // Ignoring debug uses because debug info doesn't affect the code. - // BreakPHIEdge is true if all the uses are in the successor MBB being sunken // into and they are all PHI nodes. In this case, machine-sink must break // the critical edge first. e.g. |