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Use TRI::printReg instead of AbstractRegisterDescription when printing

Browse Source 
LiveIntervalUnions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121781 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-12-14 18:53:47 +00:00
parent 414e5023f8
commit 4a84cce3ed
3 changed files with 13 additions and 34 deletions
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21
lib/CodeGen/LiveIntervalUnion.cpp
View File

@ -18,7 +18,10 @@
#include "llvm/ADT/SparseBitVector.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include <algorithm>
using namespace llvm;
@ -66,24 +69,16 @@ void LiveIntervalUnion::extract(LiveInterval &VirtReg) {
}
void
LiveIntervalUnion::print(raw_ostream &OS,
const AbstractRegisterDescription *RegDesc) const {
LiveIntervalUnion::print(raw_ostream &OS, const TargetRegisterInfo *TRI) const {
OS << "LIU ";
if (RegDesc != NULL)
OS << RegDesc->getName(RepReg);
else {
OS << RepReg;
TRI->printReg(RepReg, OS);
for (LiveSegments::const_iterator SI = Segments.begin(); SI.valid(); ++SI) {
OS << " [" << SI.start() << ' ' << SI.stop() << "):";
TRI->printReg(SI.value()->reg, OS);
}
for (LiveSegments::const_iterator SI = Segments.begin(); SI.valid(); ++SI)
dbgs() << " [" << SI.start() << ' ' << SI.stop() << "):%reg"
<< SI.value()->reg;
OS << "\n";
}
void LiveIntervalUnion::dump(const AbstractRegisterDescription *RegDesc) const {
print(dbgs(), RegDesc);
}
#ifndef NDEBUG
// Verify the live intervals in this union and add them to the visited set.
void LiveIntervalUnion::verify(LiveVirtRegBitSet& VisitedVRegs) {

15
lib/CodeGen/LiveIntervalUnion.h
View File

@ -22,19 +22,14 @@
namespace llvm {
class TargetRegisterInfo;
#ifndef NDEBUG
// forward declaration
template <unsigned Element> class SparseBitVector;
typedef SparseBitVector<128> LiveVirtRegBitSet;
#endif
/// Abstraction to provide info for the representative register.
class AbstractRegisterDescription {
public:
virtual const char *getName(unsigned Reg) const = 0;
virtual ~AbstractRegisterDescription() {}
};
/// Compare a live virtual register segment to a LiveIntervalUnion segment.
inline bool
overlap(const LiveRange &VRSeg,
@ -85,10 +80,8 @@ public:
// Remove a live virtual register's segments from this union.
void extract(LiveInterval &VirtReg);
void dump(const AbstractRegisterDescription *RegDesc) const;
// If tri != NULL, use it to decode RepReg
void print(raw_ostream &OS, const AbstractRegisterDescription *RegDesc) const;
// Print union, using TRI to translate register names
void print(raw_ostream &OS, const TargetRegisterInfo *TRI) const;
#ifndef NDEBUG
// Verify the live intervals in this union and add them to the visited set.

11
lib/CodeGen/RegAllocBasic.cpp
View File

@ -60,14 +60,6 @@ VerifyRegAlloc("verify-regalloc",
const char *RegAllocBase::TimerGroupName = "Register Allocation";
namespace {
class PhysicalRegisterDescription : public AbstractRegisterDescription {
const TargetRegisterInfo *TRI;
public:
PhysicalRegisterDescription(const TargetRegisterInfo *T): TRI(T) {}
virtual const char *getName(unsigned Reg) const { return TRI->getName(Reg); }
};
/// RABasic provides a minimal implementation of the basic register allocation
/// algorithm. It prioritizes live virtual registers by spill weight and spills
/// whenever a register is unavailable. This is not practical in production but
@ -165,8 +157,7 @@ void RegAllocBase::verify() {
// Verify disjoint unions.
for (unsigned PhysReg = 0; PhysReg < PhysReg2LiveUnion.numRegs(); ++PhysReg) {
DEBUG(PhysicalRegisterDescription PRD(TRI);
PhysReg2LiveUnion[PhysReg].dump(&PRD));
DEBUG(PhysReg2LiveUnion[PhysReg].print(dbgs(), TRI));
LiveVirtRegBitSet &VRegs = unionVRegs[PhysReg];
PhysReg2LiveUnion[PhysReg].verify(VRegs);
// Union + intersection test could be done efficiently in one pass, but