diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-12-21 19:50:05 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-12-21 19:50:05 +0000 |
| commit | 3588a43e3a3633b41a811aefcf86ae00a5a8e548 (patch) | |
| tree | ab5d700d49099b57523fbfffc50d4d46e35a5751 /llvm/lib/CodeGen/PrologEpilogInserter.cpp | |
| parent | a4b2a86353ef12c7abd4aaffbbfb4ab22d79eea0 (diff) | |
| download | bcm5719-llvm-3588a43e3a3633b41a811aefcf86ae00a5a8e548.tar.gz bcm5719-llvm-3588a43e3a3633b41a811aefcf86ae00a5a8e548.zip | |
Move common code into an MRI function.
llvm-svn: 147071
Diffstat (limited to 'llvm/lib/CodeGen/PrologEpilogInserter.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/PrologEpilogInserter.cpp | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp index b4fd1cb4f52..dd0a83a90a3 100644 --- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp +++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp @@ -224,17 +224,9 @@ void PEI::calculateCalleeSavedRegisters(MachineFunction &Fn) { std::vector<CalleeSavedInfo> CSI; for (unsigned i = 0; CSRegs[i]; ++i) { unsigned Reg = CSRegs[i]; - if (Fn.getRegInfo().isPhysRegUsed(Reg)) { + if (Fn.getRegInfo().isPhysRegOrOverlapUsed(Reg)) { // If the reg is modified, save it! CSI.push_back(CalleeSavedInfo(Reg)); - } else { - for (const unsigned *AliasSet = RegInfo->getAliasSet(Reg); - *AliasSet; ++AliasSet) { // Check alias registers too. - if (Fn.getRegInfo().isPhysRegUsed(*AliasSet)) { - CSI.push_back(CalleeSavedInfo(Reg)); - break; - } - } } } |
