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Added RegisterPressureTracker::dump() for debugging.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169359 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2012-12-05 06:47:08 +00:00
parent 83dbce2fc8
commit 17cf535199
2 changed files with 18 additions and 5 deletions
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2
include/llvm/CodeGen/RegisterPressure.h
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@ -273,6 +273,8 @@ public:
return getDownwardPressure(MI, PressureResult, MaxPressureResult);
}
void dump(const TargetRegisterInfo *TRI) const;
protected:
void increasePhysRegPressure(ArrayRef<unsigned> Regs);
void decreasePhysRegPressure(ArrayRef<unsigned> Regs);

21
lib/CodeGen/RegisterPressure.cpp
View File

@ -64,7 +64,17 @@ void RegisterPressure::decrease(const TargetRegisterClass *RC,
}
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
static void dumpSetPressure(const std::vector<unsigned> &SetPressure,
const TargetRegisterInfo *TRI) {
for (unsigned i = 0, e = SetPressure.size(); i < e; ++i) {
if (SetPressure[i] != 0)
dbgs() << TRI->getRegPressureSetName(i) << "=" << SetPressure[i] << '\n';
}
}
void RegisterPressure::dump(const TargetRegisterInfo *TRI) const {
dbgs() << "Max Pressure: ";
dumpSetPressure(MaxSetPressure, TRI);
dbgs() << "Live In: ";
for (unsigned i = 0, e = LiveInRegs.size(); i < e; ++i)
dbgs() << PrintReg(LiveInRegs[i], TRI) << " ";
@ -73,11 +83,12 @@ void RegisterPressure::dump(const TargetRegisterInfo *TRI) const {
for (unsigned i = 0, e = LiveOutRegs.size(); i < e; ++i)
dbgs() << PrintReg(LiveOutRegs[i], TRI) << " ";
dbgs() << '\n';
for (unsigned i = 0, e = MaxSetPressure.size(); i < e; ++i) {
if (MaxSetPressure[i] != 0)
dbgs() << TRI->getRegPressureSetName(i) << "=" << MaxSetPressure[i]
<< '\n';
}
}
void RegPressureTracker::dump(const TargetRegisterInfo *TRI) const {
dbgs() << "Curr Pressure: ";
dumpSetPressure(CurrSetPressure, TRI);
P.dump(TRI);
}
#endif