Temporarily revert "Don't try to construct debug LexicalScopes hierarchy for function...

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfDebug.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 7c7f1c6ff5e288cd37ad546d7c5ae09848243f77..f78ca2c03b4ec247a29ce4e2ee141318da349244 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -730,8 +730,6 @@ void DwarfDebug::beginModule() {
 
   const Module *M = MMI->getModule();
 
-  FunctionDIs = makeSubprogramMap(*M);
-
   // If module has named metadata anchors then use them, otherwise scan the
   // module using debug info finder to collect debug info.
   NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu");
@@ -1417,10 +1415,6 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
   if (!MMI->hasDebugInfo())
     return;
 
-  auto DI = FunctionDIs.find(MF->getFunction());
-  if (DI == FunctionDIs.end())
-    return;
-
   // Grab the lexical scopes for the function, if we don't have any of those
   // then we're not going to be able to do anything.
   LScopes.initialize(*MF);
@@ -1436,7 +1430,6 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
   // belongs to so that we add to the correct per-cu line table in the
   // non-asm case.
   LexicalScope *FnScope = LScopes.getCurrentFunctionScope();
-  assert(FnScope->getScopeNode() == DI->second);
   DwarfCompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode());
   assert(TheCU && "Unable to find compile unit!");
   if (Asm->OutStreamer.hasRawTextSupport())
@@ -1534,8 +1527,7 @@ void DwarfDebug::endFunction(const MachineFunction *MF) {
     assert(CurFn == MF);
   assert(CurFn != nullptr);
 
-  if (!MMI->hasDebugInfo() || LScopes.empty() ||
-      !FunctionDIs.count(MF->getFunction())) {
+  if (!MMI->hasDebugInfo() || LScopes.empty()) {
     // If we don't have a lexical scope for this function then there will
     // be a hole in the range information. Keep note of this by setting the
     // previously used section to nullptr.