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Conditionalize the format of the GCOV files by target type. Darwin uses the 4.2 

format.

llvm-svn: 131503
This commit is contained in:
Bill Wendling 2011-05-17 23:05:13 +00:00
parent e9692808b7
commit 0671ba8448
3 changed files with 22 additions and 12 deletions
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2
llvm/include/llvm/LinkAllPasses.h
View File

@ -70,7 +70,7 @@ namespace {
(void) llvm::createEdgeProfilerPass();
(void) llvm::createOptimalEdgeProfilerPass();
(void) llvm::createPathProfilerPass();
(void) llvm::createGCOVProfilerPass(true, true);
(void) llvm::createGCOVProfilerPass(true, true, false);
(void) llvm::createFunctionInliningPass();
(void) llvm::createAlwaysInlinerPass();
(void) llvm::createGlobalDCEPass();

3
llvm/include/llvm/Transforms/Instrumentation.h
View File

@ -28,7 +28,8 @@ ModulePass *createOptimalEdgeProfilerPass();
ModulePass *createPathProfilerPass();
// Insert GCOV profiling instrumentation
ModulePass *createGCOVProfilerPass(bool EmitNotes = true, bool EmitData = true);
ModulePass *createGCOVProfilerPass(bool EmitNotes = true, bool EmitData = true,
bool Use402Format = false);
} // End llvm namespace

29
llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
View File

@ -43,11 +43,12 @@ namespace {
public:
static char ID;
GCOVProfiler()
: ModulePass(ID), EmitNotes(true), EmitData(true) {
: ModulePass(ID), EmitNotes(true), EmitData(true), Use402Format(false) {
initializeGCOVProfilerPass(*PassRegistry::getPassRegistry());
}
GCOVProfiler(bool EmitNotes, bool EmitData)
: ModulePass(ID), EmitNotes(EmitNotes), EmitData(EmitData) {
GCOVProfiler(bool EmitNotes, bool EmitData, bool use402Format = false)
: ModulePass(ID), EmitNotes(EmitNotes), EmitData(EmitData),
Use402Format(use402Format) {
assert((EmitNotes || EmitData) && "GCOVProfiler asked to do nothing?");
initializeGCOVProfilerPass(*PassRegistry::getPassRegistry());
}
@ -93,6 +94,7 @@ namespace {
bool EmitNotes;
bool EmitData;
bool Use402Format;
Module *M;
LLVMContext *Ctx;
@ -103,8 +105,9 @@ char GCOVProfiler::ID = 0;
INITIALIZE_PASS(GCOVProfiler, "insert-gcov-profiling",
"Insert instrumentation for GCOV profiling", false, false)
ModulePass *llvm::createGCOVProfilerPass(bool EmitNotes, bool EmitData) {
return new GCOVProfiler(EmitNotes, EmitData);
ModulePass *llvm::createGCOVProfilerPass(bool EmitNotes, bool EmitData,
bool Use402Format) {
return new GCOVProfiler(EmitNotes, EmitData, Use402Format);
}
static DISubprogram findSubprogram(DIScope Scope) {
@ -250,7 +253,7 @@ namespace {
// object users can construct, the blocks and lines will be rooted here.
class GCOVFunction : public GCOVRecord {
public:
GCOVFunction(DISubprogram SP, raw_ostream *os) {
GCOVFunction(DISubprogram SP, raw_ostream *os, bool Use402Format) {
this->os = os;
Function *F = SP.getFunction();
@ -261,13 +264,16 @@ namespace {
ReturnBlock = new GCOVBlock(i++, os);
writeBytes(FunctionTag, 4);
uint32_t BlockLen = 1 + 1 + 1 + 1 + lengthOfGCOVString(SP.getName()) +
uint32_t BlockLen = 1 + 1 + 1 + lengthOfGCOVString(SP.getName()) +
1 + lengthOfGCOVString(SP.getFilename()) + 1;
if (!Use402Format)
++BlockLen; // For second checksum.
write(BlockLen);
uint32_t Ident = reinterpret_cast<intptr_t>((MDNode*)SP);
write(Ident);
write(0); // checksum #1
write(0); // checksum #2
if (!Use402Format)
write(0); // checksum #2
writeGCOVString(SP.getName());
writeGCOVString(SP.getFilename());
write(SP.getLineNumber());
@ -368,7 +374,10 @@ void GCOVProfiler::emitGCNO(DebugInfoFinder &DIF) {
std::string ErrorInfo;
out = new raw_fd_ostream(mangleName(CU, "gcno").c_str(), ErrorInfo,
raw_fd_ostream::F_Binary);
out->write("oncg*404MVLL", 12);
if (!Use402Format)
out->write("oncg*404MVLL", 12);
else
out->write("oncg*402MVLL", 12);
}
for (DebugInfoFinder::iterator SPI = DIF.subprogram_begin(),
@ -378,7 +387,7 @@ void GCOVProfiler::emitGCNO(DebugInfoFinder &DIF) {
Function *F = SP.getFunction();
if (!F) continue;
GCOVFunction Func(SP, os);
GCOVFunction Func(SP, os, Use402Format);
for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) {
GCOVBlock &Block = Func.getBlock(BB);