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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-15 20:40:22 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-15 20:40:22 +0000 |
commit | e69b4ab82924359ca3d85215fb42aee2495de2f8 (patch) | |
tree | 06fa912d0694d8fc002fb8d27fc0e7fa9cba6a2d | |
parent | 3928d13808b555139728268930ecffd574430769 (diff) | |
download | external_llvm-e69b4ab82924359ca3d85215fb42aee2495de2f8.zip external_llvm-e69b4ab82924359ca3d85215fb42aee2495de2f8.tar.gz external_llvm-e69b4ab82924359ca3d85215fb42aee2495de2f8.tar.bz2 |
Add SlotIndexes::getMBBRange() to get the range of a basic block in a single
lookup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121893 91177308-0d34-0410-b5e6-96231b3b80d8
-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 fd965fc..312ce03 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. |