Handle debug info for i128 constants.

llvm-svn: 133821

1 files changed, 26 insertions, 10 deletions

diff --git a/llvm/lib/VMCore/DebugInfoProbe.cpp b/llvm/lib/VMCore/DebugInfoProbe.cpp
index d1275ff58ca..382c2971482 100644
--- a/llvm/lib/VMCore/DebugInfoProbe.cpp
+++ b/llvm/lib/VMCore/DebugInfoProbe.cpp
@@ -53,6 +53,7 @@ namespace llvm {
     Function *TheFn;
     std::set<MDNode *> DbgVariables;
     std::set<Instruction *> MissingDebugLoc;
+    std::set<unsigned> LineNos;
   };
 }
 
@@ -66,14 +67,19 @@ void DebugInfoProbeImpl::initialize(StringRef PName, Function &F) {
 
   DbgVariables.clear();
   MissingDebugLoc.clear();
+  LineNos.clear();
   TheFn = &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 (!isa<PHINode>(BI) && BI->getDebugLoc().isUnknown())
-        MissingDebugLoc.insert(BI);
-      if (!isa<DbgInfoIntrinsic>(BI)) continue;
+      DebugLoc DL = BI->getDebugLoc();
+      if (DL.isUnknown()) {
+        if (!isa<PHINode>(BI))
+          MissingDebugLoc.insert(BI);
+      } else
+        LineNos.insert(DL.getLine());
+       if (!isa<DbgInfoIntrinsic>(BI)) continue;
       Value *Addr = NULL;
       MDNode *Node = NULL;
       if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(BI)) {
@@ -114,16 +120,20 @@ void DebugInfoProbeImpl::finalize(Function &F) {
   assert (TheFn == &F && "Invalid function to measure!");
 
   std::set<MDNode *>DbgVariables2;
+  std::set<unsigned>LineNos2;
   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 (!isa<PHINode>(BI) && BI->getDebugLoc().isUnknown() &&
-          MissingDebugLoc.count(BI) == 0) {
-        ++NumDbgLineLost;
-        DEBUG(dbgs() << "DebugInfoProbe (" << PassName << "): --- ");
-        DEBUG(BI->print(dbgs()));
-        DEBUG(dbgs() << "\n");
-      }
+      DebugLoc DL = BI->getDebugLoc();
+      if (DL.isUnknown()) {
+        if (!isa<PHINode>(BI) && MissingDebugLoc.count(BI) == 0) {
+          ++NumDbgLineLost;
+          DEBUG(dbgs() << "DebugInfoProbe (" << PassName << "): --- ");
+          DEBUG(BI->print(dbgs()));
+          DEBUG(dbgs() << "\n");
+        }
+      } else
+        LineNos2.insert(DL.getLine());
       if (!isa<DbgInfoIntrinsic>(BI)) continue;
       Value *Addr = NULL;
       MDNode *Node = NULL;
@@ -138,6 +148,12 @@ void DebugInfoProbeImpl::finalize(Function &F) {
         DbgVariables2.insert(Node);
     }
 
+  for (std::set<unsigned>::iterator I = LineNos.begin(),
+         E = LineNos.end(); I != E; ++I) {
+    unsigned LNO = *I;
+    if (LineNos2.count(LNO) == 0)
+      DEBUG(dbgs() << "DebugInfoProbe dropping line number " << LNO << "\n");
+  }
   for (std::set<MDNode *>::iterator I = DbgVariables.begin(), 
          E = DbgVariables.end(); I != E; ++I) {
     if (DbgVariables2.count(*I) == 0 && (*I)->getNumOperands() >= 2) {