diff options
| -rw-r--r-- | include/llvm/CodeGen/SlotIndexes.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/include/llvm/CodeGen/SlotIndexes.h b/include/llvm/CodeGen/SlotIndexes.h index fd965fc290..312ce0380f 100644 --- a/include/llvm/CodeGen/SlotIndexes.h +++ b/include/llvm/CodeGen/SlotIndexes.h @@ -545,18 +545,22 @@ namespace llvm { return nextNonNull; } - /// Returns the first index in the given basic block. - SlotIndex getMBBStartIdx(const MachineBasicBlock *mbb) const { + /// Return the (start,end) range of the given basic block. + const std::pair<SlotIndex, SlotIndex> & + getMBBRange(const MachineBasicBlock *mbb) const { MBB2IdxMap::const_iterator itr = mbb2IdxMap.find(mbb); assert(itr != mbb2IdxMap.end() && "MBB not found in maps."); - return itr->second.first; + return itr->second; + } + + /// Returns the first index in the given basic block. + SlotIndex getMBBStartIdx(const MachineBasicBlock *mbb) const { + return getMBBRange(mbb).first; } /// Returns the last index in the given basic block. SlotIndex getMBBEndIdx(const MachineBasicBlock *mbb) const { - MBB2IdxMap::const_iterator itr = mbb2IdxMap.find(mbb); - assert(itr != mbb2IdxMap.end() && "MBB not found in maps."); - return itr->second.second; + return getMBBRange(mbb).second; } /// Returns the basic block which the given index falls in. |