diff options
Diffstat (limited to 'lib/CodeGen/MachineSink.cpp')
| -rw-r--r-- | lib/CodeGen/MachineSink.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/CodeGen/MachineSink.cpp b/lib/CodeGen/MachineSink.cpp index dff8109363..c4a533b09b 100644 --- a/lib/CodeGen/MachineSink.cpp +++ b/lib/CodeGen/MachineSink.cpp @@ -152,10 +152,7 @@ MachineSinking::AllUsesDominatedByBlock(unsigned Reg, if (MRI->use_nodbg_empty(Reg)) return true; - // Ignoring debug uses is necessary so debug info doesn't affect the code. - // This may leave a referencing dbg_value in the original block, before - // the definition of the vreg. Dwarf generator handles this although the - // user might not get the right info at runtime. + // 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 |