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author | Bob Wilson <bob.wilson@apple.com> | 2009-04-20 18:36:57 +0000 |
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committer | Bob Wilson <bob.wilson@apple.com> | 2009-04-20 18:36:57 +0000 |
commit | 998e125a87d49f28c714d8223a37746850401057 (patch) | |
tree | 7120598afe0e7a85c772af91d375d54c2664dfb9 /lib/CodeGen | |
parent | 91b477d2fae6853bdb3c018862629305c6773367 (diff) | |
download | external_llvm-998e125a87d49f28c714d8223a37746850401057.zip external_llvm-998e125a87d49f28c714d8223a37746850401057.tar.gz external_llvm-998e125a87d49f28c714d8223a37746850401057.tar.bz2 |
Move duplicated AddLiveIn function from X86 and ARM backends to be a method
in the MachineFunction class, renaming it to addLiveIn for consistency with
the same method in MachineBasicBlock. Thanks for Anton for suggesting this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69615 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
-rw-r--r-- | lib/CodeGen/MachineFunction.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp index fc0e99f..e0cdad77 100644 --- a/lib/CodeGen/MachineFunction.cpp +++ b/lib/CodeGen/MachineFunction.cpp @@ -385,6 +385,16 @@ MachineFunction& MachineFunction::get(const Function *F) return *mc; } +/// addLiveIn - Add the specified physical register as a live-in value and +/// create a corresponding virtual register for it. +unsigned MachineFunction::addLiveIn(unsigned PReg, + const TargetRegisterClass *RC) { + assert(RC->contains(PReg) && "Not the correct regclass!"); + unsigned VReg = getRegInfo().createVirtualRegister(RC); + getRegInfo().addLiveIn(PReg, VReg); + return VReg; +} + /// getOrCreateDebugLocID - Look up the DebugLocTuple index with the given /// source file, line, and column. If none currently exists, create a new /// DebugLocTuple, and insert it into the DebugIdMap. |