#include "llvm/CodeGen/LiveIntervals.h"#include "LiveRangeCalc.h"#include "llvm/ADT/ArrayRef.h"#include "llvm/ADT/DepthFirstIterator.h"#include "llvm/ADT/SmallPtrSet.h"#include "llvm/ADT/SmallVector.h"#include "llvm/ADT/iterator_range.h"#include "llvm/Analysis/AliasAnalysis.h"#include "llvm/CodeGen/LiveInterval.h"#include "llvm/CodeGen/LiveVariables.h"#include "llvm/CodeGen/MachineBasicBlock.h"#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"#include "llvm/CodeGen/MachineDominators.h"#include "llvm/CodeGen/MachineFunction.h"#include "llvm/CodeGen/MachineInstr.h"#include "llvm/CodeGen/MachineInstrBundle.h"#include "llvm/CodeGen/MachineOperand.h"#include "llvm/CodeGen/MachineRegisterInfo.h"#include "llvm/CodeGen/Passes.h"#include "llvm/CodeGen/SlotIndexes.h"#include "llvm/CodeGen/TargetRegisterInfo.h"#include "llvm/CodeGen/TargetSubtargetInfo.h"#include "llvm/CodeGen/VirtRegMap.h"#include "llvm/Config/llvm-config.h"#include "llvm/MC/LaneBitmask.h"#include "llvm/MC/MCRegisterInfo.h"#include "llvm/Pass.h"#include "llvm/Support/BlockFrequency.h"#include "llvm/Support/CommandLine.h"#include "llvm/Support/Compiler.h"#include "llvm/Support/Debug.h"#include "llvm/Support/MathExtras.h"#include "llvm/Support/raw_ostream.h"#include <algorithm>#include <cassert>#include <cstdint>#include <iterator>#include <tuple>#include <utility>
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Classes | |
| class | llvm::LiveIntervals::HMEditor |
| Toolkit used by handleMove to trim or extend live intervals. More... | |
Namespaces | |
| llvm | |
| This class represents lattice values for constants. | |
Macros | |
| #define | DEBUG_TYPE "regalloc" |
Functions | |
| INITIALIZE_PASS_BEGIN (LiveIntervals, "liveintervals", "Live Interval Analysis", false, false) INITIALIZE_PASS_END(LiveIntervals | |
| Live Interval static false cl::opt< bool > | EnablePrecomputePhysRegs ("precompute-phys-liveness", cl::Hidden, cl::desc("Eagerly compute live intervals for all physreg units.")) |
| cl::opt< bool > | llvm::UseSegmentSetForPhysRegs ("use-segment-set-for-physregs", cl::Hidden, cl::init(true), cl::desc("Use segment set for the computation of the live ranges of physregs.")) |
| static void | createSegmentsForValues (LiveRange &LR, iterator_range< LiveInterval::vni_iterator > VNIs) |
Variables | |
| liveintervals | |
| Live Interval | Analysis |
| Live Interval | false |
Macro Definition Documentation
◆ DEBUG_TYPE
| #define DEBUG_TYPE "regalloc" |
Definition at line 59 of file LiveIntervals.cpp.
Function Documentation
◆ createSegmentsForValues()
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static |
Definition at line 351 of file LiveIntervals.cpp.
References llvm::LiveRange::addSegment(), llvm::LaneBitmask::any(), assert(), llvm::LiveInterval::computeSubRangeUndefs(), llvm::dbgs(), llvm::tgtok::Def, llvm::VNInfo::def, llvm::LiveRange::extendInBlock(), llvm::SlotIndex::getDeadSlot(), llvm::LiveIntervals::getInterval(), llvm::SlotIndexes::getMBBEndIdx(), llvm::SlotIndexes::getMBBFromIndex(), llvm::SlotIndexes::getMBBStartIdx(), llvm::SlotIndex::getPrevSlot(), llvm::LiveRange::getVNInfoBefore(), I, llvm::SmallPtrSetImpl< PtrType >::insert(), llvm::LiveRangeCalc::isJointlyDominated(), llvm::VNInfo::isPHIDef(), LLVM_DEBUG, llvm_unreachable, llvm::MachineBasicBlock::predecessors(), Reg, and llvm::LiveInterval::subranges().
Referenced by llvm::LiveIntervals::shrinkToUses().
◆ EnablePrecomputePhysRegs()
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static |
◆ INITIALIZE_PASS_BEGIN()
| INITIALIZE_PASS_BEGIN | ( | LiveIntervals | , |
| "liveintervals" | , | ||
| "Live Interval Analysis" | , | ||
| false | , | ||
| false | |||
| ) |
Variable Documentation
◆ Analysis
| Live Interval Analysis |
Definition at line 68 of file LiveIntervals.cpp.
◆ false
| Live Interval false |
Definition at line 68 of file LiveIntervals.cpp.
◆ liveintervals
| liveintervals |
Definition at line 68 of file LiveIntervals.cpp.
