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| 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 | a2a98fd0ddd2ae277be7cdd62aae92f6c5155e07 (patch) | |
| tree | 1b77ec8fedaf4f4680702ec8dff9bbc2ff660566 /lib/CodeGen/PrologEpilogInserter.cpp | |
| parent | e6949b13997e6d31aa4719a0e80c4b6b405e42a9 (diff) | |
| download | llvm-a2a98fd0ddd2ae277be7cdd62aae92f6c5155e07.tar.gz llvm-a2a98fd0ddd2ae277be7cdd62aae92f6c5155e07.tar.bz2 llvm-a2a98fd0ddd2ae277be7cdd62aae92f6c5155e07.tar.xz | |
Move common code into an MRI function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147071 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/PrologEpilogInserter.cpp')
| -rw-r--r-- | lib/CodeGen/PrologEpilogInserter.cpp | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp index b4fd1cb4f5..dd0a83a90a 100644 --- a/lib/CodeGen/PrologEpilogInserter.cpp +++ b/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; - } - } } } |