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Re-apply my liveintervalanalysis changes. Now with PR1207 fixes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34428 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-02-19 21:49:54 +00:00
parent d1b2c5b34d
commit b371f457b0
23 changed files with 334 additions and 104 deletions
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17
lib/Target/Sparc/SparcRegisterInfo.cpp
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@@ -20,6 +20,7 @@
#include "llvm/CodeGen/MachineLocation.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Type.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/STLExtras.h"
using namespace llvm;
@@ -116,6 +117,22 @@ const unsigned* SparcRegisterInfo::getCalleeSavedRegs() const {
return CalleeSavedRegs;
}
BitVector SparcRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
BitVector Reserved(getNumRegs());
Reserved.set(SP::G2);
Reserved.set(SP::G3);
Reserved.set(SP::G4);
Reserved.set(SP::O6);
Reserved.set(SP::I6);
Reserved.set(SP::I7);
Reserved.set(SP::G0);
Reserved.set(SP::G5);
Reserved.set(SP::G6);
Reserved.set(SP::G7);
return Reserved;
}
const TargetRegisterClass* const*
SparcRegisterInfo::getCalleeSavedRegClasses() const {
static const TargetRegisterClass * const CalleeSavedRegClasses[] = { 0 };