Changes in directory llvm/lib/CodeGen:
RegisterScavenging.cpp updated: 1.7 -> 1.8 --- Log message: Interface clean up. --- Diffs of the changes: (+7 -13) RegisterScavenging.cpp | 20 +++++++------------- 1 files changed, 7 insertions(+), 13 deletions(-) Index: llvm/lib/CodeGen/RegisterScavenging.cpp diff -u llvm/lib/CodeGen/RegisterScavenging.cpp:1.7 llvm/lib/CodeGen/RegisterScavenging.cpp:1.8 --- llvm/lib/CodeGen/RegisterScavenging.cpp:1.7 Tue Feb 27 16:58:43 2007 +++ llvm/lib/CodeGen/RegisterScavenging.cpp Wed Feb 28 20:19:39 2007 @@ -25,7 +25,7 @@ #include "llvm/ADT/STLExtras.h" using namespace llvm; -void RegScavenger::init(MachineBasicBlock *mbb) { +void RegScavenger::enterBasicBlock(MachineBasicBlock *mbb) { const MachineFunction &MF = *mbb->getParent(); const TargetMachine &TM = MF.getTarget(); const MRegisterInfo *RegInfo = TM.getRegisterInfo(); @@ -35,9 +35,11 @@ if (!MBB) { NumPhysRegs = RegInfo->getNumRegs(); - ReservedRegs = RegInfo->getReservedRegs(MF); RegStates.resize(NumPhysRegs); + // Create reserved registers bitvector. + ReservedRegs = RegInfo->getReservedRegs(MF); + // Create callee-saved registers bitvector. CalleeSavedRegs.resize(NumPhysRegs); const unsigned *CSRegs = RegInfo->getCalleeSavedRegs(); @@ -51,7 +53,7 @@ // All registers started out unused. RegStates.set(); - // Create reserved registers bitvector. + // Reserved registers are always used. RegStates ^= ReservedRegs; // Live-in registers are in use. @@ -59,6 +61,8 @@ for (MachineBasicBlock::const_livein_iterator I = MBB->livein_begin(), E = MBB->livein_end(); I != E; ++I) setUsed(*I); + + Tracking = false; } void RegScavenger::forward() { @@ -168,13 +172,3 @@ int Reg = RegStatesCopy.find_first(); return (Reg == -1) ? 0 : Reg; } - -void RegScavenger::clear() { - if (MBB) { - MBBI = MBB->end(); - MBB = NULL; - } - - Tracking = false; - RegStates.clear(); -} _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits