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| author | Nick Lewycky <nicholas@mxc.ca> | 2013-03-09 01:33:06 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2013-03-09 01:33:06 +0000 |
| commit | 17d2f776011cba33f7f5afb03c8066d35dbf8afc (patch) | |
| tree | 5b8e64958b648d1c714174aebdc5bfe092b5ea2c /lib/Transforms/Instrumentation | |
| parent | 24babfd2346a663fa694fcfe4eb69822268035c4 (diff) | |
| download | llvm-17d2f776011cba33f7f5afb03c8066d35dbf8afc.tar.gz llvm-17d2f776011cba33f7f5afb03c8066d35dbf8afc.tar.bz2 llvm-17d2f776011cba33f7f5afb03c8066d35dbf8afc.tar.xz | |
Don't emit the extra checksum into the .gcda file if the user hasn't asked for
it. Fortunately, versions of gcov that predate the extra checksum also ignore
any extra data, so this isn't a problem. There will be a matching commit in
compiler-rt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176745 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Instrumentation')
| -rw-r--r-- | lib/Transforms/Instrumentation/GCOVProfiling.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/lib/Transforms/Instrumentation/GCOVProfiling.cpp index db1dd41283..c448caa15a 100644 --- a/lib/Transforms/Instrumentation/GCOVProfiling.cpp +++ b/lib/Transforms/Instrumentation/GCOVProfiling.cpp @@ -601,9 +601,10 @@ Constant *GCOVProfiler::getIncrementIndirectCounterFunc() { } Constant *GCOVProfiler::getEmitFunctionFunc() { - Type *Args[2] = { + Type *Args[3] = { Type::getInt32Ty(*Ctx), // uint32_t ident Type::getInt8PtrTy(*Ctx), // const char *function_name + Type::getInt8Ty(*Ctx), // uint8_t use_extra_checksum }; FunctionType *FTy = FunctionType::get(Type::getVoidTy(*Ctx), Args, false); return M->getOrInsertFunction("llvm_gcda_emit_function", FTy); @@ -668,12 +669,13 @@ void GCOVProfiler::insertCounterWriteout( I = CountersBySP.begin(), E = CountersBySP.end(); I != E; ++I) { DISubprogram SP(I->second); - Builder.CreateCall2(EmitFunction, + Builder.CreateCall3(EmitFunction, Builder.getInt32(i), NoFunctionNamesInData ? Constant::getNullValue(Builder.getInt8PtrTy()) : - Builder.CreateGlobalStringPtr(SP.getName())); - + Builder.CreateGlobalStringPtr(SP.getName()), + Builder.getInt8(UseExtraChecksum)); + GlobalVariable *GV = I->first; unsigned Arcs = cast<ArrayType>(GV->getType()->getElementType())->getNumElements(); |