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Tail duplicate indirect branches for PowerPC, too.

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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
This commit is contained in:
Bob Wilson 2009-11-25 19:57:14 +00:00
parent 1c3451fc99
commit de9b1dae37
1 changed files with 2 additions and 0 deletions
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2
lib/Target/PowerPC/PPCInstrInfo.h
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@ -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; }
};
}