diff options
Diffstat (limited to 'lib/CodeGen/PrologEpilogInserter.cpp')
| -rw-r--r-- | lib/CodeGen/PrologEpilogInserter.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp index 13cd353362..0ceb866965 100644 --- a/lib/CodeGen/PrologEpilogInserter.cpp +++ b/lib/CodeGen/PrologEpilogInserter.cpp @@ -127,12 +127,15 @@ void PEI::saveCallerSavedRegisters(MachineFunction &Fn) { unsigned Reg = CSRegs[i]; if (ModifiedRegs[Reg]) { RegsToSave.push_back(Reg); // If modified register... - } else if (const unsigned *AliasSet = RegInfo->getAliasSet(Reg)) - for (unsigned j = 0; AliasSet[j]; ++j) // Check alias registers too... - if (ModifiedRegs[AliasSet[j]]) { + } else { + for (const unsigned *AliasSet = RegInfo->getAliasSet(Reg); + *AliasSet; ++AliasSet) { // Check alias registers too... + if (ModifiedRegs[*AliasSet]) { RegsToSave.push_back(Reg); break; } + } + } } if (RegsToSave.empty()) |