1 ; RUN: opt -simplifycfg -S < %s | FileCheck %s
3 %0 = type { i32*, i32* }
5 @0 = external hidden constant [5 x %0], align 4
7 define void @foo(i32) nounwind ssp !dbg !0 {
9 %1 = icmp slt i32 %0, 0, !dbg !5
10 br i1 %1, label %BB5, label %BB1, !dbg !5
13 %2 = icmp sgt i32 %0, 4, !dbg !5
14 br i1 %2, label %BB5, label %BB2, !dbg !5
17 %3 = shl i32 1, %0, !dbg !5
18 %4 = and i32 %3, 31, !dbg !5
19 %5 = icmp eq i32 %4, 0, !dbg !5
20 br i1 %5, label %BB5, label %BB3, !dbg !5
23 ;CHECK-NEXT: getelementptr
27 %6 = getelementptr inbounds [5 x %0], [5 x %0]* @0, i32 0, i32 %0, !dbg !6
28 call void @llvm.dbg.value(metadata %0* %6, metadata !7, metadata !{}), !dbg !12
29 %7 = icmp eq %0* %6, null, !dbg !13
30 br i1 %7, label %BB5, label %BB4, !dbg !13
33 %8 = icmp slt i32 %0, 0, !dbg !5
36 BB5: ; preds = %BB3, %BB2, %BB1, %Entry
40 declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone
44 !0 = distinct !DISubprogram(name: "foo", line: 231, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !15, scope: !1, type: !3)
45 !1 = !DIFile(filename: "a.c", directory: "/private/tmp")
46 !2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang (trunk 129006)", isOptimized: true, emissionKind: FullDebug, file: !15, enums: !4, retainedTypes: !4)
47 !3 = !DISubroutineType(types: !4)
49 !5 = !DILocation(line: 131, column: 2, scope: !0)
50 !6 = !DILocation(line: 134, column: 2, scope: !0)
51 !7 = !DILocalVariable(name: "bar", line: 232, scope: !8, file: !1, type: !9)
52 !8 = distinct !DILexicalBlock(line: 231, column: 1, file: !15, scope: !0)
53 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, scope: !2, baseType: !10)
54 !10 = !DIDerivedType(tag: DW_TAG_const_type, scope: !2, baseType: !11)
55 !11 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
56 !12 = !DILocation(line: 232, column: 40, scope: !8)
57 !13 = !DILocation(line: 234, column: 2, scope: !8)
58 !14 = !DILocation(line: 274, column: 1, scope: !8)
59 !15 = !DIFile(filename: "a.c", directory: "/private/tmp")