diff options
Diffstat (limited to 'lib/CodeGen/LiveRangeEdit.h')
| -rw-r--r-- | lib/CodeGen/LiveRangeEdit.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveRangeEdit.h b/lib/CodeGen/LiveRangeEdit.h index ad248bf..d5795cd 100644 --- a/lib/CodeGen/LiveRangeEdit.h +++ b/lib/CodeGen/LiveRangeEdit.h @@ -41,11 +41,11 @@ class LiveRangeEdit { /// remattable_ - Values defined by remattable instructions as identified by /// tii.isTriviallyReMaterializable(). - SmallPtrSet<VNInfo*,4> remattable_; + SmallPtrSet<const VNInfo*,4> remattable_; /// rematted_ - Values that were actually rematted, and so need to have their /// live range trimmed or entirely removed. - SmallPtrSet<VNInfo*,4> rematted_; + SmallPtrSet<const VNInfo*,4> rematted_; /// scanRemattable - Identify the parent_ values that may rematerialize. void scanRemattable(LiveIntervals &lis, @@ -78,6 +78,7 @@ public: iterator begin() const { return newRegs_.begin()+firstNew_; } iterator end() const { return newRegs_.end(); } unsigned size() const { return newRegs_.size()-firstNew_; } + bool empty() const { return size() == 0; } LiveInterval *get(unsigned idx) const { return newRegs_[idx+firstNew_]; } /// create - Create a new register with the same class and stack slot as @@ -117,8 +118,14 @@ public: const TargetInstrInfo&, const TargetRegisterInfo&); + /// markRematerialized - explicitly mark a value as rematerialized after doing + /// it manually. + void markRematerialized(const VNInfo *ParentVNI) { + rematted_.insert(ParentVNI); + } + /// didRematerialize - Return true if ParentVNI was rematerialized anywhere. - bool didRematerialize(VNInfo *ParentVNI) const { + bool didRematerialize(const VNInfo *ParentVNI) const { return rematted_.count(ParentVNI); } }; |