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In GCC 4.7, function names are now forbidden from .gcda files. Support this by

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passing a null pointer to the function name in to GCDAProfiling, and add another
switch onto GCOVProfiling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176173 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2013-02-27 06:22:56 +00:00
parent 58591b1647
commit 52b4edf6a1
3 changed files with 24 additions and 12 deletions
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lib/Transforms/Instrumentation/GCOVProfiling.cpp
+14 -8
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@@ -45,14 +45,16 @@ namespace {
static char ID;
GCOVProfiler()
: ModulePass(ID), EmitNotes(true), EmitData(true), Use402Format(false),
UseExtraChecksum(false), NoRedZone(false) {
UseExtraChecksum(false), NoRedZone(false),
NoFunctionNamesInData(false) {
initializeGCOVProfilerPass(*PassRegistry::getPassRegistry());
}
GCOVProfiler(bool EmitNotes, bool EmitData, bool use402Format,
bool useExtraChecksum, bool NoRedZone_)
GCOVProfiler(bool EmitNotes, bool EmitData, bool Use402Format,
bool UseExtraChecksum, bool NoRedZone,
bool NoFunctionNamesInData)
: ModulePass(ID), EmitNotes(EmitNotes), EmitData(EmitData),
Use402Format(use402Format), UseExtraChecksum(useExtraChecksum),
NoRedZone(NoRedZone_) {
Use402Format(Use402Format), UseExtraChecksum(UseExtraChecksum),
NoRedZone(NoRedZone), NoFunctionNamesInData(NoFunctionNamesInData) {
assert((EmitNotes || EmitData) && "GCOVProfiler asked to do nothing?");
initializeGCOVProfilerPass(*PassRegistry::getPassRegistry());
}
@@ -100,6 +102,7 @@ namespace {
bool Use402Format;
bool UseExtraChecksum;
bool NoRedZone;
bool NoFunctionNamesInData;
Module *M;
LLVMContext *Ctx;
@@ -113,9 +116,10 @@ INITIALIZE_PASS(GCOVProfiler, "insert-gcov-profiling",
ModulePass *llvm::createGCOVProfilerPass(bool EmitNotes, bool EmitData,
bool Use402Format,
bool UseExtraChecksum,
bool NoRedZone) {
bool NoRedZone,
bool NoFunctionNamesInData) {
return new GCOVProfiler(EmitNotes, EmitData, Use402Format, UseExtraChecksum,
NoRedZone);
NoRedZone, NoFunctionNamesInData);
}
namespace {
@@ -664,7 +668,9 @@ void GCOVProfiler::insertCounterWriteout(
intptr_t ident = reinterpret_cast<intptr_t>(I->second);
Builder.CreateCall2(EmitFunction,
Builder.getInt32(ident),
Builder.CreateGlobalStringPtr(SP.getName()));
NoFunctionNamesInData ?
Constant::getNullValue(Builder.getInt8PtrTy()) :
Builder.CreateGlobalStringPtr(SP.getName()));
GlobalVariable *GV = I->first;
unsigned Arcs =