1; From source:
2; int f(int a, int b) {
3;   return a   //
4;          &&  //
5;          b;
6; }
7
8; Check that the comparison of 'a' is attributed to line 2, not 3.
9
10; CHECK: .loc{{ +}}1{{ +}}2
11; CHECK-NOT: .loc{{ }}
12; CHECK: cmp
13
14; Function Attrs: nounwind uwtable
15define i32 @_Z1fii(i32 %a, i32 %b) #0 !dbg !4 {
16entry:
17  %a.addr = alloca i32, align 4
18  %b.addr = alloca i32, align 4
19  store i32 %a, i32* %a.addr, align 4
20  store i32 %b, i32* %b.addr, align 4
21  %0 = load i32, i32* %a.addr, align 4, !dbg !10
22  %tobool = icmp ne i32 %0, 0, !dbg !10
23  br i1 %tobool, label %land.rhs, label %land.end, !dbg !11
24
25land.rhs:                                         ; preds = %entry
26  %1 = load i32, i32* %b.addr, align 4, !dbg !12
27  %tobool1 = icmp ne i32 %1, 0, !dbg !12
28  br label %land.end
29
30land.end:                                         ; preds = %land.rhs, %entry
31  %2 = phi i1 [ false, %entry ], [ %tobool1, %land.rhs ]
32  %conv = zext i1 %2 to i32, !dbg !10
33  ret i32 %conv, !dbg !13
34}
35
36attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
37
38!llvm.dbg.cu = !{!0}
39!llvm.module.flags = !{!7, !8}
40!llvm.ident = !{!9}
41
42!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 (trunk 227472) (llvm/trunk 227476)", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
43!1 = !DIFile(filename: "line.cpp", directory: "/tmp/dbginfo")
44!2 = !{}
45!4 = distinct !DISubprogram(name: "f", line: 1, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
46!5 = !DIFile(filename: "line.cpp", directory: "/tmp/dbginfo")
47!6 = !DISubroutineType(types: !2)
48!7 = !{i32 2, !"Dwarf Version", i32 4}
49!8 = !{i32 2, !"Debug Info Version", i32 3}
50!9 = !{!"clang version 3.7.0 (trunk 227472) (llvm/trunk 227476)"}
51!10 = !DILocation(line: 2, scope: !4)
52!11 = !DILocation(line: 3, scope: !4)
53!12 = !DILocation(line: 4, scope: !4)
54!13 = !DILocation(line: 2, scope: !4)
55