From 0b2fb39d8d930fbe2ac58b17fa8ac41e7db8ec88 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Fri, 29 Apr 2011 21:36:04 +0000
Subject: [PATCH] Print new instructions without DebugLoc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130542 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/DebugInfoProbe.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/VMCore/DebugInfoProbe.cpp b/lib/VMCore/DebugInfoProbe.cpp
index d417e4bc358..334c3d815d6 100644
--- a/lib/VMCore/DebugInfoProbe.cpp
+++ b/lib/VMCore/DebugInfoProbe.cpp
@@ -53,6 +53,7 @@ namespace llvm {
     Function *TheFn;
     std::set<unsigned> LineNos;
     std::set<MDNode *> DbgVariables;
+    std::set<Instruction *> MissingDebugLoc;
   };
 }
 
@@ -89,6 +90,8 @@ void DebugInfoProbeImpl::initialize(StringRef PName, Function &F) {
   for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
     for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); 
          BI != BE; ++BI) {
+      if (BI->getDebugLoc().isUnknown())
+        MissingDebugLoc.insert(BI);
       if (!isa<DbgInfoIntrinsic>(BI)) continue;
       Value *Addr = NULL;
       MDNode *Node = NULL;
@@ -148,6 +151,12 @@ void DebugInfoProbeImpl::finalize(Function &F) {
   for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
     for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); 
          BI != BE; ++BI) {
+      if (BI->getDebugLoc().isUnknown() &&
+          MissingDebugLoc.count(BI) == 0) {
+        DEBUG(dbgs() << "DebugInfoProbe(" << PassName << "): --- ");
+        DEBUG(BI->print(dbgs()));
+        DEBUG(dbgs() << "\n");
+      }
       if (!isa<DbgInfoIntrinsic>(BI)) continue;
       Value *Addr = NULL;
       MDNode *Node = NULL;