From 08016a657ceb894928a909c39cc5ceee85a0e20b Mon Sep 17 00:00:00 2001
From: Manman Ren <mren@apple.com>
Date: Mon, 1 Jul 2013 18:20:30 +0000
Subject: [PATCH] Debug Info: Scope of a DebugLoc should not be null.

No functionality change. Remove handling for the null case.

llvm-svn: 185354
---
 llvm/lib/IR/DebugInfo.cpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp
index d932adc7f3c0..1ab39b6fe8cd 100644
--- a/llvm/lib/IR/DebugInfo.cpp
+++ b/llvm/lib/IR/DebugInfo.cpp
@@ -1213,13 +1213,10 @@ static void printDebugLoc(DebugLoc DL, raw_ostream &CommentOS,
                           const LLVMContext &Ctx) {
   if (!DL.isUnknown()) {          // Print source line info.
     DIScope Scope(DL.getScope(Ctx));
-    assert((!Scope || Scope.isScope()) &&
-      "Scope of a DebugLoc should be null or a DIScope.");
+    assert(Scope.isScope() &&
+      "Scope of a DebugLoc should be a DIScope.");
     // Omit the directory, because it's likely to be long and uninteresting.
-    if (Scope)
-      CommentOS << Scope.getFilename();
-    else
-      CommentOS << "<unknown>";
+    CommentOS << Scope.getFilename();
     CommentOS << ':' << DL.getLine();
     if (DL.getCol() != 0)
       CommentOS << ':' << DL.getCol();