DI: Reverse direction of subprogram -> function edge.

[oota-llvm.git] / lib / Transforms / Instrumentation / DataFlowSanitizer.cpp

diff --git a/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp b/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
index 3b204b77f0e3dff5bdad89d1352b13ba6640f1b2..21ef3207e899dbad8f740946165c16e6d8e68c8a 100644 (file)
--- a/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
@@ -258,7 +258,6 @@ class DataFlowSanitizer : public ModulePass {
   DFSanABIList ABIList;
   DenseMap<Value *, Function *> UnwrappedFnMap;
   AttributeSet ReadOnlyNoneAttrs;
-  DenseMap<const Function *, DISubprogram *> FunctionDIs;
 
   Value *getShadowAddress(Value *Addr, Instruction *Pos);
   bool isInstrumented(const Function *F);
@@ -610,8 +609,6 @@ bool DataFlowSanitizer::runOnModule(Module &M) {
   if (ABIList.isIn(M, "skip"))
     return false;
 
-  FunctionDIs = makeSubprogramMap(M);
-
   if (!GetArgTLSPtr) {
     Type *ArgTLSTy = ArrayType::get(ShadowTy, 64);
     ArgTLS = Mod->getOrInsertGlobal("__dfsan_arg_tls", ArgTLSTy);
@@ -768,11 +765,6 @@ bool DataFlowSanitizer::runOnModule(Module &M) {
           ConstantExpr::getBitCast(NewF, PointerType::getUnqual(FT));
       F.replaceAllUsesWith(WrappedFnCst);
 
-      // Patch the pointer to LLVM function in debug info descriptor.
-      auto DI = FunctionDIs.find(&F);
-      if (DI != FunctionDIs.end())
-        DI->second->replaceFunction(&F);
-
       UnwrappedFnMap[WrappedFnCst] = &F;
       *i = NewF;