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| author | Devang Patel <dpatel@apple.com> | 2011-12-09 01:18:48 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2011-12-09 01:18:48 +0000 |
| commit | 2b1d77355bdeb9b7515b16bdd049c39ed78fca4b (patch) | |
| tree | 1f11d91d6e8258d2a7b7c917dc9281a92339ff27 /lib/CodeGen/MachineSink.cpp | |
| parent | 2dd0353fec61b412e521013049d6a03de29aa8c7 (diff) | |
Update stale comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146220 91177308-0d34-0410-b5e6-96231b3b80d8
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 |