diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegisterCoalescer.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegisterCoalescer.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp index c847068bca90..4c8534cf2d01 100644 --- a/llvm/lib/CodeGen/RegisterCoalescer.cpp +++ b/llvm/lib/CodeGen/RegisterCoalescer.cpp @@ -3908,20 +3908,20 @@ void RegisterCoalescer::lateLiveIntervalUpdate() { bool RegisterCoalescer:: copyCoalesceWorkList(MutableArrayRef<MachineInstr*> CurrList) { bool Progress = false; - for (unsigned i = 0, e = CurrList.size(); i != e; ++i) { - if (!CurrList[i]) + for (MachineInstr *&MI : CurrList) { + if (!MI) continue; // Skip instruction pointers that have already been erased, for example by // dead code elimination. - if (ErasedInstrs.count(CurrList[i])) { - CurrList[i] = nullptr; + if (ErasedInstrs.count(MI)) { + MI = nullptr; continue; } bool Again = false; - bool Success = joinCopy(CurrList[i], Again); + bool Success = joinCopy(MI, Again); Progress |= Success; if (Success || !Again) - CurrList[i] = nullptr; + MI = nullptr; } return Progress; } |
