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| author | Bob Wilson <bob.wilson@apple.com> | 2009-11-25 19:57:14 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2009-11-25 19:57:14 +0000 |
| commit | aea35a5ebae86ac620ec0ebfe5ee152b46c343f2 (patch) | |
| tree | bd7f0615260d17a489a87cab3526da65f19cf53e | |
| parent | 62b818848c2415d32c82957322cba81948b7f409 (diff) | |
| download | external_llvm-aea35a5ebae86ac620ec0ebfe5ee152b46c343f2.tar.gz external_llvm-aea35a5ebae86ac620ec0ebfe5ee152b46c343f2.tar.bz2 external_llvm-aea35a5ebae86ac620ec0ebfe5ee152b46c343f2.zip | |
Tail duplicate indirect branches for PowerPC, too.
With the testcase for pr3120, the "threaded interpreter" runtime decreases
from 1788 to 1413 with this change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89877 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.h b/lib/Target/PowerPC/PPCInstrInfo.h index bb0dc15a79..ab341bd779 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.h +++ b/lib/Target/PowerPC/PPCInstrInfo.h @@ -151,6 +151,8 @@ public: /// instruction may be. This returns the maximum number of bytes. /// virtual unsigned GetInstSizeInBytes(const MachineInstr *MI) const; + + virtual bool isProfitableToDuplicateIndirectBranch() const { return true; } }; } |