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-rw-r--r--include/llvm/CodeGen/LiveIntervalAnalysis.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h
index 5610ed63c5..ee407cd8d8 100644
--- a/include/llvm/CodeGen/LiveIntervalAnalysis.h
+++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h
@@ -255,9 +255,10 @@ namespace llvm {
const SmallVectorImpl<LiveInterval*> *SpillIs,
bool &isLoad);
- /// intervalIsInOneMBB - Returns true if the specified interval is entirely
- /// within a single basic block.
- bool intervalIsInOneMBB(const LiveInterval &li) const;
+ /// intervalIsInOneMBB - If LI is confined to a single basic block, return
+ /// a pointer to that block. If LI is live in to or out of any block,
+ /// return NULL.
+ MachineBasicBlock *intervalIsInOneMBB(const LiveInterval &LI) const;
/// addKillFlags - Add kill flags to any instruction that kills a virtual
/// register.