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Print the symbolic register name in a register allocator debug dump.

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llvm-svn: 22002
This commit is contained in:
Chris Lattner 2005-05-14 05:34:15 +00:00
parent 1202c26d6e
commit 369427683d
3 changed files with 27 additions and 15 deletions
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24
lib/CodeGen/LiveInterval.cpp
View File

@ -20,6 +20,7 @@
#include "LiveInterval.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Target/MRegisterInfo.h"
#include <algorithm>
#include <iostream>
#include <map>
@ -351,17 +352,22 @@ void LiveRange::dump() const {
std::cerr << *this << "\n";
}
void LiveInterval::print(std::ostream &OS, const MRegisterInfo *MRI) const {
if (MRI && MRegisterInfo::isPhysicalRegister(reg))
OS << MRI->getName(reg);
else
OS << "%reg" << reg;
std::ostream& llvm::operator<<(std::ostream& os, const LiveInterval& li) {
os << "%reg" << li.reg << ',' << li.weight;
if (li.empty())
return os << "EMPTY";
OS << ',' << weight;
os << " = ";
for (LiveInterval::Ranges::const_iterator i = li.ranges.begin(),
e = li.ranges.end(); i != e; ++i)
os << *i;
return os;
if (empty())
OS << "EMPTY";
else {
OS << " = ";
for (LiveInterval::Ranges::const_iterator I = ranges.begin(),
E = ranges.end(); I != E; ++I)
OS << *I;
}
}
void LiveInterval::dump() const {

8
lib/CodeGen/LiveInterval.h
View File

@ -26,6 +26,8 @@
#include <cassert>
namespace llvm {
class MRegisterInfo;
/// LiveRange structure - This represents a simple register range in the
/// program, with an inclusive start point and an exclusive end point.
/// These ranges are rendered as [start,end).
@ -175,6 +177,7 @@ namespace llvm {
return beginNumber() < other.beginNumber();
}
void print(std::ostream &OS, const MRegisterInfo *MRI = 0) const;
void dump() const;
private:
@ -185,7 +188,10 @@ namespace llvm {
LiveInterval& operator=(const LiveInterval& rhs); // DO NOT IMPLEMENT
};
std::ostream& operator<<(std::ostream& os, const LiveInterval& li);
inline std::ostream &operator<<(std::ostream &OS, const LiveInterval &LI) {
LI.print(OS);
return OS;
}
}
#endif

10
lib/CodeGen/LiveIntervalAnalysis.cpp
View File

@ -142,11 +142,11 @@ bool LiveIntervals::runOnMachineFunction(MachineFunction &fn) {
numIntervals += getNumIntervals();
#if 1
DEBUG(std::cerr << "********** INTERVALS **********\n");
DEBUG(for (iterator I = begin(), E = end(); I != E; ++I)
std::cerr << I->second << "\n");
#endif
DEBUG(std::cerr << "********** INTERVALS **********\n";
for (iterator I = begin(), E = end(); I != E; ++I) {
I->second.print(std::cerr, mri_);
std::cerr << "\n";
});
// join intervals if requested
if (EnableJoining) joinIntervals();