1 ; RUN: opt -simplifycfg -S < %s | FileCheck %s 2 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 10 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 14 br label %6, !dbg !15 15 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 19 br label %6, !dbg !18 20 21 ; <label>:6 ; preds = %4, %2 22 %k.0 = phi i32 [ %3, %2 ], [ %5, %4 ] 23 ret i32 %k.0, !dbg !19 24 } 25 26 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 27 28 declare i32 @bar(...) 29 30 declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone 31 32 !llvm.module.flags = !{!21} 33 !llvm.dbg.cu = !{!2} 34 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) 39 !4 = !{!5} 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} 56
