AsmPrinter: mark the beginning and the end of a function in verbose mode

llvm-svn: 303690

1 files changed, 8 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 7ddb86d80bf..d72cf592298 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -628,12 +628,15 @@ void AsmPrinter::EmitDebugThreadLocal(const MCExpr *Value,
 /// EmitFunctionHeader - This method emits the header for the current
 /// function.
 void AsmPrinter::EmitFunctionHeader() {
+  const Function *F = MF->getFunction();
+
+  if (isVerbose())
+    OutStreamer->GetCommentOS() << "-- Begin function " << F->getName() << '\n';
+
   // Print out constants referenced by the function
   EmitConstantPool();
 
   // Print the 'header' of function.
-  const Function *F = MF->getFunction();
-
   OutStreamer->SwitchSection(getObjFileLowering().SectionForGlobal(F, TM));
   EmitVisibility(CurrentFnSym, F->getVisibility());
 
@@ -1107,6 +1110,9 @@ void AsmPrinter::EmitFunctionBody() {
     HI.Handler->endFunction(MF);
   }
 
+  if (isVerbose())
+    OutStreamer->GetCommentOS() << "-- End function\n";
+
   OutStreamer->AddBlankLine();
 }