diff options
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.h b/lib/CodeGen/LiveIntervalAnalysis.h index b4228ce9b6..c9db013d97 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.h +++ b/lib/CodeGen/LiveIntervalAnalysis.h @@ -96,8 +96,8 @@ namespace llvm { LiveInterval& getInterval(unsigned reg) { Reg2IntervalMap::iterator I = r2iMap_.find(reg); - assert(I != r2iMap_.end()&& "Interval does not exist for register"); - return *I->second; + assert(I != r2iMap_.end()&& "Interval does not exist for register"); + return *I->second; } /// getInstructionIndex - returns the base index of instr @@ -152,8 +152,12 @@ namespace llvm { MachineBasicBlock::iterator mi, LiveInterval& interval); - bool overlapsAliases(const LiveInterval& lhs, - const LiveInterval& rhs) const; + /// Return true if the two specified registers belong to different + /// register classes. The registers may be either phys or virt regs. + bool differingRegisterClasses(unsigned RegA, unsigned RegB) const; + + bool overlapsAliases(const LiveInterval *lhs, + const LiveInterval *rhs) const; LiveInterval& getOrCreateInterval(unsigned reg); |