Make the UselessRegs argument optional in the LiveRangeEdit constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127181 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveRangeEdit.h b/lib/CodeGen/LiveRangeEdit.h
index d5795cd..9518130 100644
--- a/lib/CodeGen/LiveRangeEdit.h
+++ b/lib/CodeGen/LiveRangeEdit.h
@@ -31,7 +31,7 @@
class LiveRangeEdit {
LiveInterval &parent_;
SmallVectorImpl<LiveInterval*> &newRegs_;
- const SmallVectorImpl<LiveInterval*> &uselessRegs_;
+ const SmallVectorImpl<LiveInterval*> *uselessRegs_;
/// firstNew_ - Index of the first register added to newRegs_.
const unsigned firstNew_;
@@ -66,7 +66,7 @@
/// rematerializing values because they are about to be removed.
LiveRangeEdit(LiveInterval &parent,
SmallVectorImpl<LiveInterval*> &newRegs,
- const SmallVectorImpl<LiveInterval*> &uselessRegs)
+ const SmallVectorImpl<LiveInterval*> *uselessRegs = 0)
: parent_(parent), newRegs_(newRegs), uselessRegs_(uselessRegs),
firstNew_(newRegs.size()), scannedRemattable_(false) {}
@@ -87,7 +87,7 @@
/// anyRematerializable - Return true if any parent values may be
/// rematerializable.
- /// This function must be called before ny rematerialization is attempted.
+ /// This function must be called before any rematerialization is attempted.
bool anyRematerializable(LiveIntervals&, const TargetInstrInfo&,
AliasAnalysis*);