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| author | Dale Johannesen <dalej@apple.com> | 2010-04-29 19:32:19 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2010-04-29 19:32:19 +0000 |
| commit | 6feac8a39b6607c5be2a9284711b2a9da0feea8f (patch) | |
| tree | 66554a856215c41f6b252ffb7b661d29123e8c1f /llvm/lib/CodeGen/PrologEpilogInserter.cpp | |
| parent | 080e4fb2f046cfde37e6cccb65429731f35cbe8e (diff) | |
| download | llvm-6feac8a39b6607c5be2a9284711b2a9da0feea8f.zip llvm-6feac8a39b6607c5be2a9284711b2a9da0feea8f.tar.gz llvm-6feac8a39b6607c5be2a9284711b2a9da0feea8f.tar.bz2 | |
Make naked functions work on PPC.
llvm-svn: 102657
Diffstat (limited to 'llvm/lib/CodeGen/PrologEpilogInserter.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/PrologEpilogInserter.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp index 365a84a..16bf6ea 100644 --- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp +++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp @@ -197,6 +197,10 @@ void PEI::calculateCalleeSavedRegisters(MachineFunction &Fn) { if (CSRegs == 0 || CSRegs[0] == 0) return; + // In Naked functions we aren't going to save any registers. + if (Fn.getFunction()->hasFnAttr(Attribute::Naked)) + return; + // Figure out which *callee saved* registers are modified by the current // function, thus needing to be saved and restored in the prolog/epilog. const TargetRegisterClass * const *CSRegClasses = |