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[PM] code refactoring /NFC

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llvm-svn: 271822
This commit is contained in:
Xinliang David Li 2016-06-05 03:40:03 +00:00
parent c6ece6bf3b
commit 73b5d1e27d
3 changed files with 74 additions and 64 deletions
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2
include/llvm/InitializePasses.h
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@ -123,7 +123,7 @@ void initializeEarlyIfConverterPass(PassRegistry&);
void initializeEdgeBundlesPass(PassRegistry&);
void initializeExpandPostRAPass(PassRegistry&);
void initializeAAResultsWrapperPassPass(PassRegistry &);
void initializeGCOVProfilerPass(PassRegistry&);
void initializeGCOVProfilerLegacyPassPass(PassRegistry&);
void initializePGOInstrumentationGenLegacyPassPass(PassRegistry&);
void initializePGOInstrumentationUseLegacyPassPass(PassRegistry&);
void initializePGOIndirectCallPromotionLegacyPassPass(PassRegistry&);

134
lib/Transforms/Instrumentation/GCOVProfiling.cpp
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@ -68,85 +68,95 @@ GCOVOptions GCOVOptions::getDefault() {
}
namespace {
class GCOVFunction;
class GCOVFunction;
class GCOVProfiler : public ModulePass {
public:
static char ID;
GCOVProfiler() : GCOVProfiler(GCOVOptions::getDefault()) {}
GCOVProfiler(const GCOVOptions &Opts) : ModulePass(ID), Options(Opts) {
assert((Options.EmitNotes || Options.EmitData) &&
"GCOVProfiler asked to do nothing?");
ReversedVersion[0] = Options.Version[3];
ReversedVersion[1] = Options.Version[2];
ReversedVersion[2] = Options.Version[1];
ReversedVersion[3] = Options.Version[0];
ReversedVersion[4] = '\0';
initializeGCOVProfilerPass(*PassRegistry::getPassRegistry());
}
const char *getPassName() const override {
return "GCOV Profiler";
}
class GCOVProfiler {
public:
GCOVProfiler() : GCOVProfiler(GCOVOptions::getDefault()) {}
GCOVProfiler(const GCOVOptions &Opts) : Options(Opts) {
assert((Options.EmitNotes || Options.EmitData) &&
"GCOVProfiler asked to do nothing?");
ReversedVersion[0] = Options.Version[3];
ReversedVersion[1] = Options.Version[2];
ReversedVersion[2] = Options.Version[1];
ReversedVersion[3] = Options.Version[0];
ReversedVersion[4] = '\0';
}
bool runOnModule(Module &M);
private:
bool runOnModule(Module &M) override;
private:
// Create the .gcno files for the Module based on DebugInfo.
void emitProfileNotes();
// Create the .gcno files for the Module based on DebugInfo.
void emitProfileNotes();
// Modify the program to track transitions along edges and call into the
// profiling runtime to emit .gcda files when run.
bool emitProfileArcs();
// Modify the program to track transitions along edges and call into the
// profiling runtime to emit .gcda files when run.
bool emitProfileArcs();
// Get pointers to the functions in the runtime library.
Constant *getStartFileFunc();
Constant *getIncrementIndirectCounterFunc();
Constant *getEmitFunctionFunc();
Constant *getEmitArcsFunc();
Constant *getSummaryInfoFunc();
Constant *getDeleteWriteoutFunctionListFunc();
Constant *getDeleteFlushFunctionListFunc();
Constant *getEndFileFunc();
// Get pointers to the functions in the runtime library.
Constant *getStartFileFunc();
Constant *getIncrementIndirectCounterFunc();
Constant *getEmitFunctionFunc();
Constant *getEmitArcsFunc();
Constant *getSummaryInfoFunc();
Constant *getDeleteWriteoutFunctionListFunc();
Constant *getDeleteFlushFunctionListFunc();
Constant *getEndFileFunc();
// Create or retrieve an i32 state value that is used to represent the
// pred block number for certain non-trivial edges.
GlobalVariable *getEdgeStateValue();
// Create or retrieve an i32 state value that is used to represent the
// pred block number for certain non-trivial edges.
GlobalVariable *getEdgeStateValue();
// Produce a table of pointers to counters, by predecessor and successor
// block number.
GlobalVariable *buildEdgeLookupTable(Function *F, GlobalVariable *Counter,
const UniqueVector<BasicBlock *> &Preds,
const UniqueVector<BasicBlock *> &Succs);
// Produce a table of pointers to counters, by predecessor and successor
// block number.
GlobalVariable *buildEdgeLookupTable(Function *F,
GlobalVariable *Counter,
const UniqueVector<BasicBlock *>&Preds,
const UniqueVector<BasicBlock*>&Succs);
// Add the function to write out all our counters to the global destructor
// list.
Function *
insertCounterWriteout(ArrayRef<std::pair<GlobalVariable *, MDNode *>>);
Function *insertFlush(ArrayRef<std::pair<GlobalVariable *, MDNode *>>);
void insertIndirectCounterIncrement();
// Add the function to write out all our counters to the global destructor
// list.
Function *insertCounterWriteout(ArrayRef<std::pair<GlobalVariable*,
MDNode*> >);
Function *insertFlush(ArrayRef<std::pair<GlobalVariable*, MDNode*> >);
void insertIndirectCounterIncrement();
std::string mangleName(const DICompileUnit *CU, const char *NewStem);
std::string mangleName(const DICompileUnit *CU, const char *NewStem);
GCOVOptions Options;
GCOVOptions Options;
// Reversed, NUL-terminated copy of Options.Version.
char ReversedVersion[5];
// Checksum, produced by hash of EdgeDestinations
SmallVector<uint32_t, 4> FileChecksums;
// Reversed, NUL-terminated copy of Options.Version.
char ReversedVersion[5];
// Checksum, produced by hash of EdgeDestinations
SmallVector<uint32_t, 4> FileChecksums;
Module *M;
LLVMContext *Ctx;
SmallVector<std::unique_ptr<GCOVFunction>, 16> Funcs;
};
Module *M;
LLVMContext *Ctx;
SmallVector<std::unique_ptr<GCOVFunction>, 16> Funcs;
};
class GCOVProfilerLegacyPass : public ModulePass {
public:
static char ID;
GCOVProfilerLegacyPass()
: GCOVProfilerLegacyPass(GCOVOptions::getDefault()) {}
GCOVProfilerLegacyPass(const GCOVOptions &Opts)
: ModulePass(ID), Profiler(Opts) {
initializeGCOVProfilerLegacyPassPass(*PassRegistry::getPassRegistry());
}
const char *getPassName() const override { return "GCOV Profiler"; }
bool runOnModule(Module &M) override { return Profiler.runOnModule(M); }
private:
GCOVProfiler Profiler;
};
}
char GCOVProfiler::ID = 0;
INITIALIZE_PASS(GCOVProfiler, "insert-gcov-profiling",
char GCOVProfilerLegacyPass::ID = 0;
INITIALIZE_PASS(GCOVProfilerLegacyPass, "insert-gcov-profiling",
"Insert instrumentation for GCOV profiling", false, false)
ModulePass *llvm::createGCOVProfilerPass(const GCOVOptions &Options) {
return new GCOVProfiler(Options);
return new GCOVProfilerLegacyPass(Options);
}
static StringRef getFunctionName(const DISubprogram *SP) {

2
lib/Transforms/Instrumentation/Instrumentation.cpp
View File

@ -59,7 +59,7 @@ void llvm::initializeInstrumentation(PassRegistry &Registry) {
initializeAddressSanitizerPass(Registry);
initializeAddressSanitizerModulePass(Registry);
initializeBoundsCheckingPass(Registry);
initializeGCOVProfilerPass(Registry);
initializeGCOVProfilerLegacyPassPass(Registry);
initializePGOInstrumentationGenLegacyPassPass(Registry);
initializePGOInstrumentationUseLegacyPassPass(Registry);
initializePGOIndirectCallPromotionLegacyPassPass(Registry);