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authorBob Wilson <bob.wilson@apple.com>2009-11-25 19:57:14 +0000
committerBob Wilson <bob.wilson@apple.com>2009-11-25 19:57:14 +0000
commitde9b1dae37877f1b31e8cf42a14195c3fffbae3f (patch)
treebd7f0615260d17a489a87cab3526da65f19cf53e
parent1c3451fc99feb68dc401049568788547a0b7844d (diff)
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.h2
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; }
};
}