diff options
Diffstat (limited to 'lib/CodeGen/LiveRangeCalc.h')
| -rw-r--r-- | lib/CodeGen/LiveRangeCalc.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/CodeGen/LiveRangeCalc.h b/lib/CodeGen/LiveRangeCalc.h index 3c9e40f0fe..909829b228 100644 --- a/lib/CodeGen/LiveRangeCalc.h +++ b/lib/CodeGen/LiveRangeCalc.h @@ -105,9 +105,12 @@ class LiveRangeCalc { /// to be live-in are added to LiveIn. If a unique reaching def is found, /// its value is returned, if Kill is jointly dominated by multiple values, /// NULL is returned. + /// + /// PhysReg, when set, is used to verify live-in lists on basic blocks. VNInfo *findReachingDefs(LiveInterval *LI, MachineBasicBlock *KillMBB, - SlotIndex Kill); + SlotIndex Kill, + unsigned PhysReg); /// updateSSA - Compute the values that will be live in to all requested /// blocks in LiveIn. Create PHI-def values as required to preserve SSA form. @@ -157,7 +160,9 @@ public: /// Kill is not dominated by a single existing value, PHI-defs are inserted /// as required to preserve SSA form. If Kill is known to be dominated by a /// single existing value, Alloc may be null. - void extend(LiveInterval *LI, SlotIndex Kill); + /// + /// PhysReg, when set, is used to verify live-in lists on basic blocks. + void extend(LiveInterval *LI, SlotIndex Kill, unsigned PhysReg = 0); /// createDeadDefs - Create a dead def in LI for every def operand of Reg. /// Each instruction defining Reg gets a new VNInfo with a corresponding |