diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.h')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.h b/lib/CodeGen/LiveIntervalAnalysis.h index 5b78342e28..7587e4f6f8 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.h +++ b/lib/CodeGen/LiveIntervalAnalysis.h @@ -36,11 +36,12 @@ namespace llvm { struct Interval { typedef std::pair<unsigned, unsigned> Range; typedef std::vector<Range> Ranges; + typedef std::vector<unsigned> Defs; unsigned reg; // the register of this interval float weight; // weight of this interval (number of uses // * 10^loopDepth) Ranges ranges; // the ranges in which this register is live - + Defs defs; Interval(unsigned r); bool empty() const { return ranges.empty(); } @@ -185,16 +186,19 @@ namespace llvm { /// register def void handleVirtualRegisterDef(MachineBasicBlock* mbb, MachineBasicBlock::iterator mi, - unsigned reg); + Interval& interval); /// handlePhysicalRegisterDef - update intervals for a /// physical register def void handlePhysicalRegisterDef(MachineBasicBlock* mbb, MachineBasicBlock::iterator mi, - unsigned reg); + Interval& interval); bool overlapsAliases(const Interval& lhs, const Interval& rhs) const; + + Interval& getOrCreateInterval(unsigned reg); + /// rep - returns the representative of this register unsigned rep(unsigned reg); |