diff options
Diffstat (limited to 'lib/CodeGen/StackSlotColoring.cpp')
| -rw-r--r-- | lib/CodeGen/StackSlotColoring.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/CodeGen/StackSlotColoring.cpp b/lib/CodeGen/StackSlotColoring.cpp index cc72e5e..a5a175f 100644 --- a/lib/CodeGen/StackSlotColoring.cpp +++ b/lib/CodeGen/StackSlotColoring.cpp @@ -184,10 +184,18 @@ void StackSlotColoring::InitializeSlots() { UsedColors.resize(LastFI); Assignments.resize(LastFI); + typedef std::iterator_traits<LiveStacks::iterator>::value_type Pair; + SmallVector<Pair *, 16> Intervals; + Intervals.reserve(LS->getNumIntervals()); + for (auto &I : *LS) + Intervals.push_back(&I); + std::sort(Intervals.begin(), Intervals.end(), + [](Pair *LHS, Pair *RHS) { return LHS->first < RHS->first; }); + // Gather all spill slots into a list. DEBUG(dbgs() << "Spill slot intervals:\n"); - for (LiveStacks::iterator i = LS->begin(), e = LS->end(); i != e; ++i) { - LiveInterval &li = i->second; + for (auto *I : Intervals) { + LiveInterval &li = I->second; DEBUG(li.dump()); int FI = TargetRegisterInfo::stackSlot2Index(li.reg); if (MFI->isDeadObjectIndex(FI)) |