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Diffstat (limited to 'llvm/lib/CodeGen/LiveRangeCalc.h')
-rw-r--r-- | llvm/lib/CodeGen/LiveRangeCalc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LiveRangeCalc.h b/llvm/lib/CodeGen/LiveRangeCalc.h index 84cc1cb2be7..892f535a5ae 100644 --- a/llvm/lib/CodeGen/LiveRangeCalc.h +++ b/llvm/lib/CodeGen/LiveRangeCalc.h @@ -160,6 +160,7 @@ class LiveRangeCalc { /// all uses must be jointly dominated by the definitions from @p LR /// together with definitions of other lanes where @p LR becomes undefined /// (via <def,read-undef> operands). + /// If @p LR is a main range, the @p LaneMask should be set to ~0. void extendToUses(LiveRange &LR, unsigned Reg, LaneBitmask LaneMask, LiveInterval *LI = nullptr); |