MipsPostLegalizerCombiner.cpp Source File (original) (raw)

28#define GET_GICOMBINER_DEPS

29#include "MipsGenPostLegalizeGICombiner.inc"

30#undef GET_GICOMBINER_DEPS

32#define DEBUG_TYPE "mips-postlegalizer-combiner"

34using namespace llvm;

37namespace {

38#define GET_GICOMBINER_TYPES

39#include "MipsGenPostLegalizeGICombiner.inc"

40#undef GET_GICOMBINER_TYPES

42class MipsPostLegalizerCombinerImpl : public Combiner {

43protected:

44 const MipsPostLegalizerCombinerImplRuleConfig &RuleConfig;

48public:

49 MipsPostLegalizerCombinerImpl(

52 const MipsPostLegalizerCombinerImplRuleConfig &RuleConfig,

56 static const char *getName() { return "MipsPostLegalizerCombiner"; }

58 bool tryCombineAll(MachineInstr &I) const override;

60private:

61#define GET_GICOMBINER_CLASS_MEMBERS

62#include "MipsGenPostLegalizeGICombiner.inc"

63#undef GET_GICOMBINER_CLASS_MEMBERS

64};

66#define GET_GICOMBINER_IMPL

67#include "MipsGenPostLegalizeGICombiner.inc"

68#undef GET_GICOMBINER_IMPL

70MipsPostLegalizerCombinerImpl::MipsPostLegalizerCombinerImpl(

73 const MipsPostLegalizerCombinerImplRuleConfig &RuleConfig,

76 : Combiner(MF, CInfo, TPC, &VT, CSEInfo), RuleConfig(RuleConfig), STI(STI),

77 Helper(Observer, B, false, &VT, MDT, LI),

79#include "MipsGenPostLegalizeGICombiner.inc"

81{

82}

88public:

89 static char ID;

91 MipsPostLegalizerCombiner(bool IsOptNone = false);

93 StringRef getPassName() const override { return "MipsPostLegalizerCombiner"; }

99private:

100 bool IsOptNone;

101 MipsPostLegalizerCombinerImplRuleConfig RuleConfig;

102};

103}

104

105void MipsPostLegalizerCombiner::getAnalysisUsage(AnalysisUsage &AU) const {

111 if (!IsOptNone) {

114 }

116}

117

118MipsPostLegalizerCombiner::MipsPostLegalizerCombiner(bool IsOptNone)

120 if (!RuleConfig.parseCommandLineOption())

122}

123

124bool MipsPostLegalizerCombiner::runOnMachineFunction(MachineFunction &MF) {

126 return false;

127 auto *TPC = &getAnalysis();

129 bool EnableOpt =

131

135

137 &getAnalysis().get(MF);

139 IsOptNone ? nullptr

140 : &getAnalysis().getDomTree();

141 CombinerInfo CInfo( false, true,

142 LI, EnableOpt, F.hasOptSize(), F.hasMinSize());

143 MipsPostLegalizerCombinerImpl Impl(MF, CInfo, TPC, *VT, nullptr,

144 RuleConfig, ST, MDT, LI);

145 return Impl.combineMachineInstrs();

146}

147

148char MipsPostLegalizerCombiner::ID = 0;

150 "Combine Mips machine instrs after legalization", false,

151 false)

155 "Combine Mips machine instrs after legalization", false,

157

159 return new MipsPostLegalizerCombiner(IsOptNone);

160}

#define GET_GICOMBINER_CONSTRUCTOR_INITS

static GCRegistry::Add< OcamlGC > B("ocaml", "ocaml 3.10-compatible GC")

This contains common combine transformations that may be used in a combine pass,or by the target else...

Option class for Targets to specify which operations are combined how and when.

This contains the base class for all Combiners generated by TableGen.

Provides analysis for querying information about KnownBits during GISel passes.

Contains matchers for matching SSA Machine Instructions.

This file declares the targeting of the Machinelegalizer class for Mips.

#define INITIALIZE_PASS_DEPENDENCY(depName)

#define INITIALIZE_PASS_END(passName, arg, name, cfg, analysis)

#define INITIALIZE_PASS_BEGIN(passName, arg, name, cfg, analysis)

static StringRef getName(Value *V)

Target-Independent Code Generator Pass Configuration Options pass.

Represent the analysis usage information of a pass.

AnalysisUsage & addRequired()

AnalysisUsage & addPreserved()

Add the specified Pass class to the set of analyses preserved by this pass.

LLVM_ABI void setPreservesCFG()

This function should be called by the pass, iff they do not:

FunctionPass class - This class is used to implement most global optimizations.

To use KnownBitsInfo analysis in a pass, KnownBitsInfo &Info = getAnalysis<GISelValueTrackingInfoAnal...

Analysis pass which computes a MachineDominatorTree.

DominatorTree Class - Concrete subclass of DominatorTreeBase that is used to compute a normal dominat...

MachineFunctionPass - This class adapts the FunctionPass interface to allow convenient creation of pa...

void getAnalysisUsage(AnalysisUsage &AU) const override

getAnalysisUsage - Subclasses that override getAnalysisUsage must call this.

virtual bool runOnMachineFunction(MachineFunction &MF)=0

runOnMachineFunction - This method must be overloaded to perform the desired machine code transformat...

const TargetSubtargetInfo & getSubtarget() const

getSubtarget - Return the subtarget for which this machine code is being compiled.

Function & getFunction()

Return the LLVM function that this machine code represents.

const MachineFunctionProperties & getProperties() const

Get the function properties.

const TargetMachine & getTarget() const

getTarget - Return the target machine this machine code is compiled with

Representation of each machine instruction.

This class provides legalization strategies.

virtual StringRef getPassName() const

getPassName - Return a nice clean name for a pass.

CodeGenOptLevel getOptLevel() const

Returns the optimization level: None, Less, Default, or Aggressive.

Target-Independent Code Generator Pass Configuration Options.

unsigned ID

LLVM IR allows to use arbitrary numbers as calling convention identifiers.

This is an optimization pass for GlobalISel generic memory operations.

LLVM_ABI void report_fatal_error(Error Err, bool gen_crash_diag=true)

LLVM_ABI void getSelectionDAGFallbackAnalysisUsage(AnalysisUsage &AU)

Modify analysis usage so it preserves passes required for the SelectionDAG fallback.

FunctionPass * createMipsPostLegalizeCombiner(bool IsOptNone)

Definition MipsPostLegalizerCombiner.cpp:158