//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "insert-gcov-profiling"
-
#include "llvm/Transforms/Instrumentation.h"
-#include "ProfilingUtils.h"
#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/UniqueVector.h"
-#include "llvm/DebugInfo.h"
+#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instructions.h"
+#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
-#include "llvm/Support/DebugLoc.h"
#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/InstIterator.h"
-#include "llvm/Support/PathV2.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"
+#include <algorithm>
+#include <memory>
#include <string>
#include <utility>
using namespace llvm;
+#define DEBUG_TYPE "insert-gcov-profiling"
+
static cl::opt<std::string>
DefaultGCOVVersion("default-gcov-version", cl::init("402*"), cl::Hidden,
cl::ValueRequired);
}
namespace {
+ class GCOVFunction;
+
class GCOVProfiler : public ModulePass {
public:
static char ID;
GCOVProfiler() : ModulePass(ID), Options(GCOVOptions::getDefault()) {
- 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());
+ init();
}
GCOVProfiler(const GCOVOptions &Options) : ModulePass(ID), Options(Options){
assert((Options.EmitNotes || Options.EmitData) &&
"GCOVProfiler asked to do nothing?");
+ init();
+ }
+ const char *getPassName() const override {
+ return "GCOV Profiler";
+ }
+
+ private:
+ void init() {
ReversedVersion[0] = Options.Version[3];
ReversedVersion[1] = Options.Version[2];
ReversedVersion[2] = Options.Version[1];
ReversedVersion[4] = '\0';
initializeGCOVProfilerPass(*PassRegistry::getPassRegistry());
}
- virtual const char *getPassName() const {
- return "GCOV Profiler";
- }
-
- private:
- bool runOnModule(Module &M);
+ bool runOnModule(Module &M) override;
// Create the .gcno files for the Module based on DebugInfo.
void emitProfileNotes();
Constant *getIncrementIndirectCounterFunc();
Constant *getEmitFunctionFunc();
Constant *getEmitArcsFunc();
+ Constant *getSummaryInfoFunc();
Constant *getDeleteWriteoutFunctionListFunc();
Constant *getDeleteFlushFunctionListFunc();
Constant *getEndFileFunc();
Function *insertFlush(ArrayRef<std::pair<GlobalVariable*, MDNode*> >);
void insertIndirectCounterIncrement();
- std::string mangleName(DICompileUnit CU, const char *NewStem,
- bool FullPath);
+ std::string mangleName(DICompileUnit CU, const char *NewStem);
GCOVOptions Options;
// Reversed, NUL-terminated copy of Options.Version.
- char ReversedVersion[5];
+ 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;
};
}
return new GCOVProfiler(Options);
}
-static std::string getFunctionName(DISubprogram SP) {
+static StringRef getFunctionName(DISubprogram SP) {
if (!SP.getLinkageName().empty())
return SP.getLinkageName();
return SP.getName();
namespace {
class GCOVRecord {
protected:
- static const char *LinesTag;
- static const char *FunctionTag;
- static const char *BlockTag;
- static const char *EdgeTag;
+ static const char *const LinesTag;
+ static const char *const FunctionTag;
+ static const char *const BlockTag;
+ static const char *const EdgeTag;
GCOVRecord() {}
// Returns the length measured in 4-byte blocks that will be used to
// represent this string in a GCOV file
- unsigned lengthOfGCOVString(StringRef s) {
+ static unsigned lengthOfGCOVString(StringRef s) {
// A GCOV string is a length, followed by a NUL, then between 0 and 3 NULs
// padding out to the next 4-byte word. The length is measured in 4-byte
// words including padding, not bytes of actual string.
raw_ostream *os;
};
- const char *GCOVRecord::LinesTag = "\0\0\x45\x01";
- const char *GCOVRecord::FunctionTag = "\0\0\0\1";
- const char *GCOVRecord::BlockTag = "\0\0\x41\x01";
- const char *GCOVRecord::EdgeTag = "\0\0\x43\x01";
+ const char *const GCOVRecord::LinesTag = "\0\0\x45\x01";
+ const char *const GCOVRecord::FunctionTag = "\0\0\0\1";
+ const char *const GCOVRecord::BlockTag = "\0\0\x41\x01";
+ const char *const GCOVRecord::EdgeTag = "\0\0\x43\x01";
class GCOVFunction;
class GCOVBlock;
class GCOVLines : public GCOVRecord {
public:
void addLine(uint32_t Line) {
+ assert(Line != 0 && "Line zero is not a valid real line number.");
Lines.push_back(Line);
}
- uint32_t length() {
+ uint32_t length() const {
// Here 2 = 1 for string length + 1 for '0' id#.
return lengthOfGCOVString(Filename) + 2 + Lines.size();
}
write(Lines[i]);
}
- GCOVLines(StringRef F, raw_ostream *os)
+ GCOVLines(StringRef F, raw_ostream *os)
: Filename(F) {
this->os = os;
}
SmallVector<uint32_t, 32> Lines;
};
+
// Represent a basic block in GCOV. Each block has a unique number in the
// function, number of lines belonging to each block, and a set of edges to
// other blocks.
void writeOut() {
uint32_t Len = 3;
+ SmallVector<StringMapEntry<GCOVLines *> *, 32> SortedLinesByFile;
for (StringMap<GCOVLines *>::iterator I = LinesByFile.begin(),
E = LinesByFile.end(); I != E; ++I) {
Len += I->second->length();
+ SortedLinesByFile.push_back(&*I);
}
writeBytes(LinesTag, 4);
write(Len);
write(Number);
- for (StringMap<GCOVLines *>::iterator I = LinesByFile.begin(),
- E = LinesByFile.end(); I != E; ++I)
- I->second->writeOut();
+
+ std::sort(SortedLinesByFile.begin(), SortedLinesByFile.end(),
+ [](StringMapEntry<GCOVLines *> *LHS,
+ StringMapEntry<GCOVLines *> *RHS) {
+ return LHS->getKey() < RHS->getKey();
+ });
+ for (SmallVectorImpl<StringMapEntry<GCOVLines *> *>::iterator
+ I = SortedLinesByFile.begin(), E = SortedLinesByFile.end();
+ I != E; ++I)
+ (*I)->getValue()->writeOut();
write(0);
write(0);
}
class GCOVFunction : public GCOVRecord {
public:
GCOVFunction(DISubprogram SP, raw_ostream *os, uint32_t Ident,
- bool UseCfgChecksum) {
+ bool UseCfgChecksum) :
+ SP(SP), Ident(Ident), UseCfgChecksum(UseCfgChecksum), CfgChecksum(0) {
this->os = os;
Function *F = SP.getFunction();
- DEBUG(dbgs() << "Function: " << F->getName() << "\n");
+ DEBUG(dbgs() << "Function: " << getFunctionName(SP) << "\n");
uint32_t i = 0;
for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) {
Blocks[BB] = new GCOVBlock(i++, os);
}
ReturnBlock = new GCOVBlock(i++, os);
- writeBytes(FunctionTag, 4);
- uint32_t BlockLen = 1 + 1 + 1 + lengthOfGCOVString(getFunctionName(SP)) +
- 1 + lengthOfGCOVString(SP.getFilename()) + 1;
- if (UseCfgChecksum)
- ++BlockLen;
- write(BlockLen);
- write(Ident);
- write(0); // lineno checksum
- if (UseCfgChecksum)
- write(0); // cfg checksum
- writeGCOVString(getFunctionName(SP));
- writeGCOVString(SP.getFilename());
- write(SP.getLineNumber());
+ std::string FunctionNameAndLine;
+ raw_string_ostream FNLOS(FunctionNameAndLine);
+ FNLOS << getFunctionName(SP) << SP.getLineNumber();
+ FNLOS.flush();
+ FuncChecksum = hash_value(FunctionNameAndLine);
}
~GCOVFunction() {
return *ReturnBlock;
}
+ std::string getEdgeDestinations() {
+ std::string EdgeDestinations;
+ raw_string_ostream EDOS(EdgeDestinations);
+ Function *F = Blocks.begin()->first->getParent();
+ for (Function::iterator I = F->begin(), E = F->end(); I != E; ++I) {
+ GCOVBlock &Block = *Blocks[I];
+ for (int i = 0, e = Block.OutEdges.size(); i != e; ++i)
+ EDOS << Block.OutEdges[i]->Number;
+ }
+ return EdgeDestinations;
+ }
+
+ uint32_t getFuncChecksum() {
+ return FuncChecksum;
+ }
+
+ void setCfgChecksum(uint32_t Checksum) {
+ CfgChecksum = Checksum;
+ }
+
void writeOut() {
+ writeBytes(FunctionTag, 4);
+ uint32_t BlockLen = 1 + 1 + 1 + lengthOfGCOVString(getFunctionName(SP)) +
+ 1 + lengthOfGCOVString(SP.getFilename()) + 1;
+ if (UseCfgChecksum)
+ ++BlockLen;
+ write(BlockLen);
+ write(Ident);
+ write(FuncChecksum);
+ if (UseCfgChecksum)
+ write(CfgChecksum);
+ writeGCOVString(getFunctionName(SP));
+ writeGCOVString(SP.getFilename());
+ write(SP.getLineNumber());
+
// Emit count of blocks.
writeBytes(BlockTag, 4);
write(Blocks.size() + 1);
DEBUG(dbgs() << Blocks.size() << " blocks.\n");
// Emit edges between blocks.
- for (DenseMap<BasicBlock *, GCOVBlock *>::iterator I = Blocks.begin(),
- E = Blocks.end(); I != E; ++I) {
- GCOVBlock &Block = *I->second;
+ if (Blocks.empty()) return;
+ Function *F = Blocks.begin()->first->getParent();
+ for (Function::iterator I = F->begin(), E = F->end(); I != E; ++I) {
+ GCOVBlock &Block = *Blocks[I];
if (Block.OutEdges.empty()) continue;
writeBytes(EdgeTag, 4);
}
// Emit lines for each block.
- for (DenseMap<BasicBlock *, GCOVBlock *>::iterator I = Blocks.begin(),
- E = Blocks.end(); I != E; ++I) {
- I->second->writeOut();
+ for (Function::iterator I = F->begin(), E = F->end(); I != E; ++I) {
+ Blocks[I]->writeOut();
}
}
private:
+ DISubprogram SP;
+ uint32_t Ident;
+ uint32_t FuncChecksum;
+ bool UseCfgChecksum;
+ uint32_t CfgChecksum;
DenseMap<BasicBlock *, GCOVBlock *> Blocks;
GCOVBlock *ReturnBlock;
};
}
-std::string GCOVProfiler::mangleName(DICompileUnit CU, const char *NewStem,
- bool FullPath) {
+std::string GCOVProfiler::mangleName(DICompileUnit CU, const char *NewStem) {
if (NamedMDNode *GCov = M->getNamedMetadata("llvm.gcov")) {
for (int i = 0, e = GCov->getNumOperands(); i != e; ++i) {
MDNode *N = GCov->getOperand(i);
SmallString<128> Filename = CU.getFilename();
sys::path::replace_extension(Filename, NewStem);
StringRef FName = sys::path::filename(Filename);
- if (!FullPath)
- return FName;
SmallString<128> CurPath;
if (sys::fs::current_path(CurPath)) return FName;
sys::path::append(CurPath, FName.str());
return false;
}
+static bool functionHasLines(Function *F) {
+ // Check whether this function actually has any source lines. Not only
+ // do these waste space, they also can crash gcov.
+ for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) {
+ for (BasicBlock::iterator I = BB->begin(), IE = BB->end();
+ I != IE; ++I) {
+ // Debug intrinsic locations correspond to the location of the
+ // declaration, not necessarily any statements or expressions.
+ if (isa<DbgInfoIntrinsic>(I)) continue;
+
+ const DebugLoc &Loc = I->getDebugLoc();
+ if (Loc.isUnknown()) continue;
+
+ // Artificial lines such as calls to the global constructors.
+ if (Loc.getLine() == 0) continue;
+
+ return true;
+ }
+ }
+ return false;
+}
+
void GCOVProfiler::emitProfileNotes() {
NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu");
if (!CU_Nodes) return;
// LTO, we'll generate the same .gcno files.
DICompileUnit CU(CU_Nodes->getOperand(i));
- std::string ErrorInfo;
- raw_fd_ostream out(mangleName(CU, "gcno", false).c_str(), ErrorInfo,
- raw_fd_ostream::F_Binary);
- out.write("oncg", 4);
- out.write(ReversedVersion, 4);
- out.write("MVLL", 4);
+ std::error_code EC;
+ raw_fd_ostream out(mangleName(CU, "gcno"), EC, sys::fs::F_None);
+ std::string EdgeDestinations;
DIArray SPs = CU.getSubprograms();
for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
DISubprogram SP(SPs.getElement(i));
- if (!SP.Verify()) continue;
+ assert((!SP || SP.isSubprogram()) &&
+ "A MDNode in subprograms of a CU should be null or a DISubprogram.");
+ if (!SP)
+ continue;
Function *F = SP.getFunction();
if (!F) continue;
- GCOVFunction Func(SP, &out, i, Options.UseCfgChecksum);
+ if (!functionHasLines(F)) continue;
+
+ // gcov expects every function to start with an entry block that has a
+ // single successor, so split the entry block to make sure of that.
+ BasicBlock &EntryBlock = F->getEntryBlock();
+ BasicBlock::iterator It = EntryBlock.begin();
+ while (isa<AllocaInst>(*It) || isa<DbgInfoIntrinsic>(*It))
+ ++It;
+ EntryBlock.splitBasicBlock(It);
+
+ Funcs.push_back(
+ make_unique<GCOVFunction>(SP, &out, i, Options.UseCfgChecksum));
+ GCOVFunction &Func = *Funcs.back();
for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) {
GCOVBlock &Block = Func.getBlock(BB);
uint32_t Line = 0;
for (BasicBlock::iterator I = BB->begin(), IE = BB->end();
I != IE; ++I) {
+ // Debug intrinsic locations correspond to the location of the
+ // declaration, not necessarily any statements or expressions.
+ if (isa<DbgInfoIntrinsic>(I)) continue;
+
const DebugLoc &Loc = I->getDebugLoc();
if (Loc.isUnknown()) continue;
+
+ // Artificial lines such as calls to the global constructors.
+ if (Loc.getLine() == 0) continue;
+
if (Line == Loc.getLine()) continue;
Line = Loc.getLine();
if (SP != getDISubprogram(Loc.getScope(*Ctx))) continue;
Lines.addLine(Loc.getLine());
}
}
- Func.writeOut();
+ EdgeDestinations += Func.getEdgeDestinations();
}
+
+ FileChecksums.push_back(hash_value(EdgeDestinations));
+ out.write("oncg", 4);
+ out.write(ReversedVersion, 4);
+ out.write(reinterpret_cast<char*>(&FileChecksums.back()), 4);
+
+ for (auto &Func : Funcs) {
+ Func->setCfgChecksum(FileChecksums.back());
+ Func->writeOut();
+ }
+
out.write("\0\0\0\0\0\0\0\0", 8); // EOF
out.close();
}
NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu");
if (!CU_Nodes) return false;
- bool Result = false;
+ bool Result = false;
bool InsertIndCounterIncrCode = false;
for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
DICompileUnit CU(CU_Nodes->getOperand(i));
SmallVector<std::pair<GlobalVariable *, MDNode *>, 8> CountersBySP;
for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
DISubprogram SP(SPs.getElement(i));
- if (!SP.Verify()) continue;
+ assert((!SP || SP.isSubprogram()) &&
+ "A MDNode in subprograms of a CU should be null or a DISubprogram.");
+ if (!SP)
+ continue;
Function *F = SP.getFunction();
if (!F) continue;
+ if (!functionHasLines(F)) continue;
if (!Result) Result = true;
unsigned Edges = 0;
for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) {
else
Edges += TI->getNumSuccessors();
}
-
+
ArrayType *CounterTy =
ArrayType::get(Type::getInt64Ty(*Ctx), Edges);
GlobalVariable *Counters =
Constant::getNullValue(CounterTy),
"__llvm_gcov_ctr");
CountersBySP.push_back(std::make_pair(Counters, (MDNode*)SP));
-
+
UniqueVector<BasicBlock *> ComplexEdgePreds;
UniqueVector<BasicBlock *> ComplexEdgeSuccs;
-
+
unsigned Edge = 0;
for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) {
TerminatorInst *TI = BB->getTerminator();
int Successors = isa<ReturnInst>(TI) ? 1 : TI->getNumSuccessors();
if (Successors) {
- IRBuilder<> Builder(TI);
-
if (Successors == 1) {
+ IRBuilder<> Builder(BB->getFirstInsertionPt());
Value *Counter = Builder.CreateConstInBoundsGEP2_64(Counters, 0,
Edge);
Value *Count = Builder.CreateLoad(Counter);
Count = Builder.CreateAdd(Count, Builder.getInt64(1));
Builder.CreateStore(Count, Counter);
} else if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {
+ IRBuilder<> Builder(BI);
Value *Sel = Builder.CreateSelect(BI->getCondition(),
Builder.getInt64(Edge),
Builder.getInt64(Edge + 1));
for (int i = 0; i != Successors; ++i)
ComplexEdgeSuccs.insert(TI->getSuccessor(i));
}
+
Edge += Successors;
}
}
-
+
if (!ComplexEdgePreds.empty()) {
GlobalVariable *EdgeTable =
buildEdgeLookupTable(F, Counters,
ComplexEdgePreds, ComplexEdgeSuccs);
GlobalVariable *EdgeState = getEdgeStateValue();
-
+
for (int i = 0, e = ComplexEdgePreds.size(); i != e; ++i) {
- IRBuilder<> Builder(ComplexEdgePreds[i+1]->getTerminator());
+ IRBuilder<> Builder(ComplexEdgePreds[i + 1]->getFirstInsertionPt());
Builder.CreateStore(Builder.getInt32(i), EdgeState);
}
+
for (int i = 0, e = ComplexEdgeSuccs.size(); i != e; ++i) {
- // call runtime to perform increment
- BasicBlock::iterator InsertPt =
- ComplexEdgeSuccs[i+1]->getFirstInsertionPt();
- IRBuilder<> Builder(InsertPt);
+ // Call runtime to perform increment.
+ IRBuilder<> Builder(ComplexEdgeSuccs[i+1]->getFirstInsertionPt());
Value *CounterPtrArray =
Builder.CreateConstInBoundsGEP2_64(EdgeTable, 0,
i * ComplexEdgePreds.size());
};
FTy = FunctionType::get(Builder.getVoidTy(), Params, false);
- // Inialize the environment and register the local writeout and flush
+ // Initialize the environment and register the local writeout and flush
// functions.
Constant *GCOVInit = M->getOrInsertFunction("llvm_gcov_init", FTy);
Builder.CreateCall2(GCOVInit, WriteoutF, FlushF);
Type *Int64PtrTy = Type::getInt64PtrTy(*Ctx);
ArrayType *EdgeTableTy = ArrayType::get(Int64PtrTy, TableSize);
- OwningArrayPtr<Constant *> EdgeTable(new Constant*[TableSize]);
+ std::unique_ptr<Constant * []> EdgeTable(new Constant *[TableSize]);
Constant *NullValue = Constant::getNullValue(Int64PtrTy);
for (size_t i = 0; i != TableSize; ++i)
EdgeTable[i] = NullValue;
Type *Args[] = {
Type::getInt8PtrTy(*Ctx), // const char *orig_filename
Type::getInt8PtrTy(*Ctx), // const char version[4]
+ Type::getInt32Ty(*Ctx), // uint32_t checksum
};
FunctionType *FTy = FunctionType::get(Type::getVoidTy(*Ctx), Args, false);
return M->getOrInsertFunction("llvm_gcda_start_file", FTy);
}
Constant *GCOVProfiler::getEmitFunctionFunc() {
- Type *Args[3] = {
+ Type *Args[] = {
Type::getInt32Ty(*Ctx), // uint32_t ident
Type::getInt8PtrTy(*Ctx), // const char *function_name
+ Type::getInt32Ty(*Ctx), // uint32_t func_checksum
Type::getInt8Ty(*Ctx), // uint8_t use_extra_checksum
+ Type::getInt32Ty(*Ctx), // uint32_t cfg_checksum
};
FunctionType *FTy = FunctionType::get(Type::getVoidTy(*Ctx), Args, false);
return M->getOrInsertFunction("llvm_gcda_emit_function", FTy);
return M->getOrInsertFunction("llvm_gcda_emit_arcs", FTy);
}
+Constant *GCOVProfiler::getSummaryInfoFunc() {
+ FunctionType *FTy = FunctionType::get(Type::getVoidTy(*Ctx), false);
+ return M->getOrInsertFunction("llvm_gcda_summary_info", FTy);
+}
+
Constant *GCOVProfiler::getDeleteWriteoutFunctionListFunc() {
FunctionType *FTy = FunctionType::get(Type::getVoidTy(*Ctx), false);
return M->getOrInsertFunction("llvm_delete_writeout_function_list", FTy);
Constant *StartFile = getStartFileFunc();
Constant *EmitFunction = getEmitFunctionFunc();
Constant *EmitArcs = getEmitArcsFunc();
+ Constant *SummaryInfo = getSummaryInfoFunc();
Constant *EndFile = getEndFileFunc();
NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu");
if (CU_Nodes) {
for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
DICompileUnit CU(CU_Nodes->getOperand(i));
- std::string FilenameGcda = mangleName(CU, "gcda", true);
- Builder.CreateCall2(StartFile,
+ std::string FilenameGcda = mangleName(CU, "gcda");
+ uint32_t CfgChecksum = FileChecksums.empty() ? 0 : FileChecksums[i];
+ Builder.CreateCall3(StartFile,
Builder.CreateGlobalStringPtr(FilenameGcda),
- Builder.CreateGlobalStringPtr(ReversedVersion));
+ Builder.CreateGlobalStringPtr(ReversedVersion),
+ Builder.getInt32(CfgChecksum));
for (unsigned j = 0, e = CountersBySP.size(); j != e; ++j) {
DISubprogram SP(CountersBySP[j].second);
- Builder.CreateCall3(
+ uint32_t FuncChecksum = Funcs.empty() ? 0 : Funcs[j]->getFuncChecksum();
+ Builder.CreateCall5(
EmitFunction, Builder.getInt32(j),
Options.FunctionNamesInData ?
Builder.CreateGlobalStringPtr(getFunctionName(SP)) :
Constant::getNullValue(Builder.getInt8PtrTy()),
- Builder.getInt8(Options.UseCfgChecksum));
+ Builder.getInt32(FuncChecksum),
+ Builder.getInt8(Options.UseCfgChecksum),
+ Builder.getInt32(CfgChecksum));
GlobalVariable *GV = CountersBySP[j].first;
unsigned Arcs =
Builder.getInt32(Arcs),
Builder.CreateConstGEP2_64(GV, 0, 0));
}
+ Builder.CreateCall(SummaryInfo);
Builder.CreateCall(EndFile);
}
}
// uint64_t *counter = counters[pred];
// if (!counter) return;
Value *ZExtPred = Builder.CreateZExt(Pred, Builder.getInt64Ty());
- Arg = llvm::next(Fn->arg_begin());
+ Arg = std::next(Fn->arg_begin());
Arg->setName("counters");
Value *GEP = Builder.CreateGEP(Arg, ZExtPred);
Value *Counter = Builder.CreateLoad(GEP, "counter");
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