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Clarify some comments.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60683 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-12-08 04:53:23 +00:00
parent 230591900c
commit c93ced5b34
1 changed files with 2 additions and 2 deletions

4
lib/CodeGen/LiveIntervalAnalysis.cpp

@ -918,7 +918,7 @@ bool LiveIntervals::isReMaterializable(const LiveInterval &li,
MachineRegisterInfo::def_iterator I = mri_->def_begin(Reg),
E = mri_->def_end();
// For the def, it should be the only def.
// For the def, it should be the only def of that register.
if (MO.isDef() && (next(I) != E || IsLiveIn))
return false;
@ -931,7 +931,7 @@ bool LiveIntervals::isReMaterializable(const LiveInterval &li,
else if (Reg != ImpUse)
return false;
}
// For uses, there should be only one associate def.
// For the use, there should be only one associated def.
if (I != E && (next(I) != E || IsLiveIn))
return false;
}