diff --git a/lib/Transforms/Utils/LoopSimplify.cpp b/lib/Transforms/Utils/LoopSimplify.cpp
index d8f7c9176f5..2e7d21cb171 100644
--- a/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/lib/Transforms/Utils/LoopSimplify.cpp
@@ -386,8 +386,9 @@ static BasicBlock *insertUniqueBackedgeBlock(Loop *L, BasicBlock *Preheader,
 
   // Create and insert the new backedge block...
   BasicBlock *BEBlock = BasicBlock::Create(Header->getContext(),
-                                           Header->getName()+".backedge", F);
+                                           Header->getName() + ".backedge", F);
   BranchInst *BETerminator = BranchInst::Create(Header, BEBlock);
+  BETerminator->setDebugLoc(Header->getFirstNonPHI()->getDebugLoc());
 
   DEBUG(dbgs() << "LoopSimplify: Inserting unique backedge block "
                << BEBlock->getName() << "\n");
diff --git a/test/Transforms/LoopSimplify/single-backedge.ll b/test/Transforms/LoopSimplify/single-backedge.ll
index aedd6f23091..92fbdca8a6d 100644
--- a/test/Transforms/LoopSimplify/single-backedge.ll
+++ b/test/Transforms/LoopSimplify/single-backedge.ll
@@ -5,19 +5,35 @@
 ; RUN: opt < %s -indvars -S | FileCheck %s
 ; CHECK: Loop.backedge:
 ; CHECK-NOT: br
-; CHECK: br label %Loop
+; CHECK: br label %Loop, !dbg [[BACKEDGE_LOC:![0-9]+]]
+
+; CHECK: [[BACKEDGE_LOC]] = !DILocation(line: 101, column: 1, scope: !{{.*}})
 
 define i32 @test(i1 %C) {
 ; <label>:0
-	br label %Loop
-Loop:		; preds = %BE2, %BE1, %0
-	%IV = phi i32 [ 1, %0 ], [ %IV2, %BE1 ], [ %IV2, %BE2 ]		; <i32> [#uses=2]
-	store i32 %IV, i32* null
-	%IV2 = add i32 %IV, 2		; <i32> [#uses=2]
-	br i1 %C, label %BE1, label %BE2
-BE1:		; preds = %Loop
-	br label %Loop
-BE2:		; preds = %Loop
-	br label %Loop
+  br label %Loop, !dbg !6
+Loop: ; preds = %BE2, %BE1, %0
+  %IV = phi i32 [ 1, %0 ], [ %IV2, %BE1 ], [ %IV2, %BE2 ] ; <i32> [#uses=2]
+  store i32 %IV, i32* null, !dbg !7
+  %IV2 = add i32 %IV, 2, !dbg !8 ; <i32> [#uses=2]
+  br i1 %C, label %BE1, label %BE2, !dbg !9
+BE1:  ; preds = %Loop
+  br label %Loop, !dbg !10
+BE2:    ; preds = %n br label %Loop
+  br label %Loop, !dbg !11
 }
 
+!llvm.module.flags = !{!0, !1}
+!0 = !{i32 2, !"Dwarf Version", i32 4}
+!1 = !{i32 2, !"Debug Info Version", i32 3}
+
+!2 = !{}
+!3 = !DISubroutineType(types: !2)
+!4 = !DIFile(filename: "atomic.cpp", directory: "/tmp")
+!5 = !DISubprogram(name: "test", scope: !4, file: !4, line: 99, type: !3, isLocal: false, isDefinition: true, scopeLine: 100, flags: DIFlagPrototyped, isOptimized: false, variables: !2)
+!6 = !DILocation(line: 100, column: 1, scope: !5)
+!7 = !DILocation(line: 101, column: 1, scope: !5)
+!8 = !DILocation(line: 102, column: 1, scope: !5)
+!9 = !DILocation(line: 103, column: 1, scope: !5)
+!10 = !DILocation(line: 104, column: 1, scope: !5)
+!11 = !DILocation(line: 105, column: 1, scope: !5)