1 ; RUN: opt < %s -passes=add-discriminators -S | FileCheck %s
3 ; Discriminator support for diamond-shaped CFG.:
8 ; #5 bar(5); else bar(3);
11 ; bar(5): discriminator 0
12 ; bar(3): discriminator 2
14 ; Function Attrs: uwtable
15 define void @_Z3fooi(i32 %i) #0 !dbg !4 {
16 %1 = alloca i32, align 4
17 store i32 %i, ptr %1, align 4
18 call void @llvm.dbg.declare(metadata ptr %1, metadata !11, metadata !12), !dbg !13
19 %2 = load i32, ptr %1, align 4, !dbg !14
20 %3 = icmp sgt i32 %2, 10, !dbg !16
21 br i1 %3, label %4, label %5, !dbg !17
23 ; <label>:4 ; preds = %0
24 call void @_Z3bari(i32 5), !dbg !18
27 ; <label>:5 ; preds = %0
28 call void @_Z3bari(i32 3), !dbg !19
29 ; CHECK: call void @_Z3bari(i32 3), !dbg ![[ELSE:[0-9]+]]
32 ; <label>:6 ; preds = %5, %4
36 ; Function Attrs: nounwind readnone
37 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
39 declare void @_Z3bari(i32) #2
41 attributes #0 = { uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
42 attributes #1 = { nounwind readnone }
43 attributes #2 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
46 !llvm.module.flags = !{!8, !9}
49 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 253273)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
50 !1 = !DIFile(filename: "a.cc", directory: "/tmp")
52 !4 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
53 !5 = !DISubroutineType(types: !6)
55 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
56 !8 = !{i32 2, !"Dwarf Version", i32 4}
57 !9 = !{i32 2, !"Debug Info Version", i32 3}
58 !10 = !{!"clang version 3.8.0 (trunk 253273)"}
59 !11 = !DILocalVariable(name: "i", arg: 1, scope: !4, file: !1, line: 3, type: !7)
61 !13 = !DILocation(line: 3, column: 14, scope: !4)
62 !14 = !DILocation(line: 4, column: 7, scope: !15)
63 !15 = distinct !DILexicalBlock(scope: !4, file: !1, line: 4, column: 7)
64 !16 = !DILocation(line: 4, column: 9, scope: !15)
65 !17 = !DILocation(line: 4, column: 7, scope: !4)
66 !18 = !DILocation(line: 5, column: 5, scope: !15)
67 !19 = !DILocation(line: 5, column: 18, scope: !15)
68 !20 = !DILocation(line: 6, column: 1, scope: !4)
70 ; CHECK: ![[ELSE]] = !DILocation(line: 5, column: 18, scope: ![[ELSEBLOCK:[0-9]+]])
71 ; CHECK: ![[ELSEBLOCK]] = !DILexicalBlockFile({{.*}} discriminator: 2)