regpressure: Added RegisterPressure::dump
llvm-svn: 157423
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@ -18,6 +18,8 @@
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#include "llvm/CodeGen/LiveIntervalAnalysis.h"
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#include "llvm/CodeGen/MachineRegisterInfo.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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@ -61,6 +63,22 @@ void RegisterPressure::decrease(const TargetRegisterClass *RC,
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decreaseSetPressure(MaxSetPressure, RC, TRI);
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}
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void RegisterPressure::dump(const TargetRegisterInfo *TRI) {
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dbgs() << "Live In: ";
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for (unsigned i = 0, e = LiveInRegs.size(); i < e; ++i)
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dbgs() << PrintReg(LiveInRegs[i], TRI) << " ";
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dbgs() << '\n';
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dbgs() << "Live Out: ";
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for (unsigned i = 0, e = LiveOutRegs.size(); i < e; ++i)
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dbgs() << PrintReg(LiveOutRegs[i], TRI) << " ";
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dbgs() << '\n';
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for (unsigned i = 0, e = MaxSetPressure.size(); i < e; ++i) {
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if (MaxSetPressure[i] != 0)
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dbgs() << TRI->getRegPressureSetName(i) << "=" << MaxSetPressure[i]
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<< '\n';
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}
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}
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/// Increase the current pressure as impacted by these physical registers and
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/// bump the high water mark if needed.
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void RegPressureTracker::increasePhysRegPressure(ArrayRef<unsigned> Regs) {
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@ -42,6 +42,8 @@ struct RegisterPressure {
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/// Decrease register pressure for each pressure set impacted by this register
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/// class. This is only useful to account for spilling or rematerialization.
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void decrease(const TargetRegisterClass *RC, const TargetRegisterInfo *TRI);
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void dump(const TargetRegisterInfo *TRI);
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};
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/// RegisterPressure computed within a region of instructions delimited by
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