1 ; RUN: opt -simplifycfg -S < %s | FileCheck %s
3 define i32 @foo(i32 %i) nounwind ssp !dbg !0 {
4 call void @llvm.dbg.value(metadata i32 %i, metadata !6, metadata !DIExpression()), !dbg !7
5 call void @llvm.dbg.value(metadata i32 0, metadata !9, metadata !DIExpression()), !dbg !11
6 %1 = icmp ne i32 %i, 0, !dbg !12
7 ;CHECK: call i32 (...) @bar()
8 ;CHECK-NEXT: llvm.dbg.value
9 br i1 %1, label %2, label %4, !dbg !12
11 ; <label>:2 ; preds = %0
12 %3 = call i32 (...) @bar(), !dbg !13
13 call void @llvm.dbg.value(metadata i32 %3, metadata !9, metadata !DIExpression()), !dbg !13
16 ; <label>:4 ; preds = %0
17 %5 = call i32 (...) @bar(), !dbg !16
18 call void @llvm.dbg.value(metadata i32 %5, metadata !9, metadata !DIExpression()), !dbg !16
21 ; <label>:6 ; preds = %4, %2
22 %k.0 = phi i32 [ %3, %2 ], [ %5, %4 ]
23 ret i32 %k.0, !dbg !19
26 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
30 declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone
32 !llvm.module.flags = !{!21}
35 !0 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !20, scope: !1, type: !3)
36 !1 = !DIFile(filename: "b.c", directory: "/private/tmp")
37 !2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang", isOptimized: true, emissionKind: FullDebug, file: !20)
38 !3 = !DISubroutineType(types: !4)
40 !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
41 !6 = !DILocalVariable(name: "i", line: 2, arg: 1, scope: !0, file: !1, type: !5)
42 !7 = !DILocation(line: 2, column: 13, scope: !0)
43 !9 = !DILocalVariable(name: "k", line: 3, scope: !10, file: !1, type: !5)
44 !10 = distinct !DILexicalBlock(line: 2, column: 16, file: !20, scope: !0)
45 !11 = !DILocation(line: 3, column: 12, scope: !10)
46 !12 = !DILocation(line: 4, column: 3, scope: !10)
47 !13 = !DILocation(line: 5, column: 5, scope: !14)
48 !14 = distinct !DILexicalBlock(line: 4, column: 10, file: !20, scope: !10)
49 !15 = !DILocation(line: 6, column: 3, scope: !14)
50 !16 = !DILocation(line: 7, column: 5, scope: !17)
51 !17 = distinct !DILexicalBlock(line: 6, column: 10, file: !20, scope: !10)
52 !18 = !DILocation(line: 8, column: 3, scope: !17)
53 !19 = !DILocation(line: 9, column: 3, scope: !10)
54 !20 = !DIFile(filename: "b.c", directory: "/private/tmp")
55 !21 = !{i32 1, !"Debug Info Version", i32 3}