diff options
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index e768e1c204..0103e2042f 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -516,18 +516,11 @@ void AvailableSpills::AddAvailableRegsToLiveIn(MachineBasicBlock &MBB, I = PhysRegsAvailable.begin(), E = PhysRegsAvailable.end(); I != E; ++I) { unsigned Reg = I->first; - bool MakeAvail = true; const TargetRegisterClass* RC = TRI->getPhysicalRegisterRegClass(Reg); // FIXME: A temporary workaround. We can't reuse available value if it's // not safe to move the def of the virtual register's class. e.g. // X86::RFP* register classes. Do not add it as a live-in. if (!TII->isSafeToMoveRegClassDefs(RC)) - MakeAvail = false; - if (MBB.isLiveIn(Reg)) - // It's already livein somehow. Be conservative, do not make it available. - MakeAvail = false; - - if (!MakeAvail) // This is no longer available. NotAvailable.insert(Reg); else { |