DI: Reverse direction of subprogram -> function edge.

[oota-llvm.git] / lib / IR / DebugInfo.cpp

diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index b22ba53645d2c3944275f8e341f8cc3ca88ee4e8..a2443becdd00d88c9abf380e37d88705a28405b7 100644 (file)
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -300,6 +300,10 @@ bool DebugInfoFinder::addScope(DIScope *Scope) {
 
 bool llvm::stripDebugInfo(Function &F) {
   bool Changed = false;
+  if (F.getSubprogram()) {
+    Changed = true;
+    F.setSubprogram(nullptr);
+  }
   for (BasicBlock &BB : F) {
     for (Instruction &I : BB) {
       if (I.getDebugLoc()) {
@@ -359,21 +363,3 @@ unsigned llvm::getDebugMetadataVersionFromModule(const Module &M) {
     return Val->getZExtValue();
   return 0;
 }
-
-DenseMap<const llvm::Function *, DISubprogram *>
-llvm::makeSubprogramMap(const Module &M) {
-  DenseMap<const Function *, DISubprogram *> R;
-
-  NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu");
-  if (!CU_Nodes)
-    return R;
-
-  for (MDNode *N : CU_Nodes->operands()) {
-    auto *CUNode = cast<DICompileUnit>(N);
-    for (auto *SP : CUNode->getSubprograms()) {
-      if (Function *F = SP->getFunction())
-        R.insert(std::make_pair(F, SP));
-    }
-  }
-  return R;
-}