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| author | Evan Cheng <evan.cheng@apple.com> | 2010-05-24 21:33:37 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-05-24 21:33:37 +0000 |
| commit | 3946043a80a043b3cf43b34bf068feaadc46485b (patch) | |
| tree | 221c20a608f7c7306aa8cfd26855c9d98b1b7d0f /include/llvm/CodeGen/MachineRegisterInfo.h | |
| parent | e350690e3b0b33255ad9b8f152da4dff43014f9b (diff) | |
Avoid adding duplicate function live-in's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104560 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/MachineRegisterInfo.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineRegisterInfo.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h index dede05f85c..fa14fdc3f1 100644 --- a/include/llvm/CodeGen/MachineRegisterInfo.h +++ b/include/llvm/CodeGen/MachineRegisterInfo.h @@ -293,6 +293,10 @@ public: /// corresponding live-in physical register. unsigned getLiveInPhysReg(unsigned VReg) const; + /// getLiveInVirtReg - If PReg is a live-in physical register, return the + /// corresponding live-in physical register. + unsigned getLiveInVirtReg(unsigned PReg) const; + /// EmitLiveInCopies - Emit copies to initialize livein virtual registers /// into the given entry block. void EmitLiveInCopies(MachineBasicBlock *EntryMBB, |