diff options
Diffstat (limited to 'lib/CodeGen/RegisterClassInfo.cpp')
| -rw-r--r-- | lib/CodeGen/RegisterClassInfo.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/RegisterClassInfo.cpp b/lib/CodeGen/RegisterClassInfo.cpp index 17165fa726..d5b7f309db 100644 --- a/lib/CodeGen/RegisterClassInfo.cpp +++ b/lib/CodeGen/RegisterClassInfo.cpp @@ -50,9 +50,8 @@ void RegisterClassInfo::runOnMachineFunction(const MachineFunction &mf) { CSRNum.clear(); CSRNum.resize(TRI->getNumRegs(), 0); for (unsigned N = 0; unsigned Reg = CSR[N]; ++N) - for (const uint16_t *AS = TRI->getOverlaps(Reg); - unsigned Alias = *AS; ++AS) - CSRNum[Alias] = N + 1; // 0 means no CSR, 1 means CalleeSaved[0], ... + for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI) + CSRNum[*AI] = N + 1; // 0 means no CSR, 1 means CalleeSaved[0], ... Update = true; } CalleeSaved = CSR; |