diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 1709618..a512912 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -399,14 +399,13 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, // Iterate over all of the blocks that the variable is completely // live in, adding [insrtIndex(begin), instrIndex(end)+4) to the // live interval. - for (unsigned i = 0, e = vi.AliveBlocks.size(); i != e; ++i) { - if (vi.AliveBlocks[i]) { - LiveRange LR(getMBBStartIdx(i), - getMBBEndIdx(i)+1, // MBB ends at -1. - ValNo); - interval.addRange(LR); - DOUT << " +" << LR; - } + for (int i = vi.AliveBlocks.find_first(); i != -1; + i = vi.AliveBlocks.find_next(i)) { + LiveRange LR(getMBBStartIdx(i), + getMBBEndIdx(i)+1, // MBB ends at -1. + ValNo); + interval.addRange(LR); + DOUT << " +" << LR; } // Finally, this virtual register is live from the start of any killing |