Live-through live interval is [mbb start, mbb end+1].

llvm-svn: 52431
2008-06-17 20:13:36 +00:00 · 2008-06-17 20:13:36 +00:00 · f873ed1b10
parent 1eb69314fa
commit f873ed1b10
1 changed files with 1 additions and 1 deletions
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@ -366,7 +366,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
    for (unsigned i = 0, e = vi.AliveBlocks.size(); i != e; ++i) {
      if (vi.AliveBlocks[i]) {
        LiveRange LR(getMBBStartIdx(i),
-                     getMBBEndIdx(i),
+                     getMBBEndIdx(i)+1,  // MBB ends at -1.
                     ValNo);
        interval.addRange(LR);
        DOUT << " +" << LR;