1 ; RUN: opt -deadargelim -S < %s | FileCheck %s 2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 3 4 %struct.Channel = type { i32, i32 } 5 6 ; Function Attrs: nounwind uwtable 7 define void @f2(i32 %m, i32 %n) #0 !dbg !7 { 8 entry: 9 call void @llvm.dbg.value(metadata i32 %m, metadata !12, metadata !DIExpression()), !dbg !21 10 call void @llvm.dbg.value(metadata i32 %n, metadata !13, metadata !DIExpression()), !dbg !22 11 call void @llvm.dbg.value(metadata %struct.Channel* null, metadata !14, metadata !DIExpression()), !dbg !23 12 %call = call %struct.Channel* (...) @foo(), !dbg !24 13 call void @llvm.dbg.value(metadata %struct.Channel* %call, metadata !14, metadata !DIExpression()), !dbg !23 14 %cmp = icmp sgt i32 %m, 3, !dbg !25 15 br i1 %cmp, label %if.then, label %if.end, !dbg !27 16 17 if.then: ; preds = %entry 18 %call1 = call zeroext i1 @f1(i1 zeroext true, %struct.Channel* %call), !dbg !28 19 br label %if.end, !dbg !28 20 21 if.end: ; preds = %if.then, %entry 22 %cmp2 = icmp sgt i32 %n, %m, !dbg !29 23 br i1 %cmp2, label %if.then3, label %if.end5, !dbg !31 24 25 if.then3: ; preds = %if.end 26 %call4 = call zeroext i1 @f1(i1 zeroext false, %struct.Channel* %call), !dbg !32 27 br label %if.end5, !dbg !32 28 29 if.end5: ; preds = %if.then3, %if.end 30 ret void, !dbg !33 31 } 32 33 declare %struct.Channel* @foo(...) local_unnamed_addr #1 34 35 ; Function Attrs: noinline nounwind uwtable 36 define internal zeroext i1 @f1(i1 zeroext %is_y, %struct.Channel* %str) #4 !dbg !34 { 37 entry: 38 %frombool = zext i1 %is_y to i8 39 ; CHECK: call void @llvm.dbg.value(metadata i1 %is_y, metadata !39, metadata !DIExpression()), !dbg !42 40 call void @llvm.dbg.value(metadata i1 %is_y, metadata !39, metadata !DIExpression()), !dbg !42 41 ; CHECK: call void @llvm.dbg.value(metadata %struct.Channel* %str, metadata !40, metadata !DIExpression()), !dbg !43 42 call void @llvm.dbg.value(metadata %struct.Channel* %str, metadata !40, metadata !DIExpression()), !dbg !43 43 call void @llvm.dbg.value(metadata %struct.Channel* null, metadata !41, metadata !DIExpression()), !dbg !44 44 %tobool = icmp ne %struct.Channel* %str, null, !dbg !45 45 br i1 %tobool, label %if.end, label %if.then, !dbg !47 46 47 if.then: ; preds = %entry 48 call void (...) @baa(), !dbg !48 49 br label %cleanup, !dbg !50 50 51 if.end: ; preds = %entry 52 %call = call %struct.Channel* (...) @foo(), !dbg !51 53 call void @llvm.dbg.value(metadata %struct.Channel* %call, metadata !41, metadata !DIExpression()), !dbg !44 54 %tobool1 = trunc i8 %frombool to i1, !dbg !52 55 br i1 %tobool1, label %if.then2, label %if.end3, !dbg !56 56 57 if.then2: ; preds = %if.end 58 call void (...) @baa(), !dbg !57 59 br label %cleanup, !dbg !56 60 61 if.end3: ; preds = %if.end 62 br label %cleanup, !dbg !56 63 64 cleanup: ; preds = %if.end3, %if.then2, %if.then 65 %retval.0 = phi i1 [ false, %if.then2 ], [ true, %if.end3 ], [ false, %if.then ] 66 ret i1 %retval.0, !dbg !56 67 } 68 69 declare void @baa(...) local_unnamed_addr #1 70 71 ; Function Attrs: nounwind readnone speculatable 72 declare void @llvm.dbg.value(metadata, metadata, metadata) #3 73 74 !llvm.dbg.cu = !{!0} 75 !llvm.module.flags = !{!3, !4, !5} 76 !llvm.ident = !{!6} 77 78 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 7.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 79 !1 = !DIFile(filename: "test.c", directory: "/dir") 80 !2 = !{} 81 !3 = !{i32 2, !"Dwarf Version", i32 4} 82 !4 = !{i32 2, !"Debug Info Version", i32 3} 83 !5 = !{i32 1, !"wchar_size", i32 4} 84 !6 = !{!"clang version 7.0.0"} 85 !7 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 31, type: !8, isLocal: false, isDefinition: true, scopeLine: 32, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11) 86 !8 = !DISubroutineType(types: !9) 87 !9 = !{null, !10, !10} 88 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 89 !11 = !{!12, !13, !14} 90 !12 = !DILocalVariable(name: "m", arg: 1, scope: !7, file: !1, line: 31, type: !10) 91 !13 = !DILocalVariable(name: "n", arg: 2, scope: !7, file: !1, line: 31, type: !10) 92 !14 = !DILocalVariable(name: "str3", scope: !7, file: !1, line: 33, type: !15) 93 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64) 94 !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "channel", file: !1, line: 6, baseType: !17) 95 !17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Channel", file: !1, line: 3, size: 64, elements: !18) 96 !18 = !{!19, !20} 97 !19 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !17, file: !1, line: 4, baseType: !10, size: 32) 98 !20 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !17, file: !1, line: 5, baseType: !10, size: 32, offset: 32) 99 !21 = !DILocation(line: 31, column: 13, scope: !7) 100 !22 = !DILocation(line: 31, column: 20, scope: !7) 101 !23 = !DILocation(line: 33, column: 11, scope: !7) 102 !24 = !DILocation(line: 34, column: 9, scope: !7) 103 !25 = !DILocation(line: 36, column: 8, scope: !26) 104 !26 = distinct !DILexicalBlock(scope: !7, file: !1, line: 36, column: 6) 105 !27 = !DILocation(line: 36, column: 6, scope: !7) 106 !28 = !DILocation(line: 37, column: 3, scope: !26) 107 !29 = !DILocation(line: 39, column: 8, scope: !30) 108 !30 = distinct !DILexicalBlock(scope: !7, file: !1, line: 39, column: 6) 109 !31 = !DILocation(line: 39, column: 6, scope: !7) 110 !32 = !DILocation(line: 40, column: 3, scope: !30) 111 !33 = !DILocation(line: 41, column: 1, scope: !7) 112 !34 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 12, type: !35, isLocal: true, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !38) 113 !35 = !DISubroutineType(types: !36) 114 !36 = !{!37, !37, !15} 115 !37 = !DIBasicType(name: "_Bool", size: 8, encoding: DW_ATE_boolean) 116 !38 = !{!39, !40, !41} 117 !39 = !DILocalVariable(name: "is_y", arg: 1, scope: !34, file: !1, line: 12, type: !37) 118 !40 = !DILocalVariable(name: "str", arg: 2, scope: !34, file: !1, line: 12, type: !15) 119 !41 = !DILocalVariable(name: "str2", scope: !34, file: !1, line: 14, type: !15) 120 !42 = !DILocation(line: 12, column: 21, scope: !34) 121 !43 = !DILocation(line: 12, column: 36, scope: !34) 122 !44 = !DILocation(line: 14, column: 11, scope: !34) 123 !45 = !DILocation(line: 16, column: 7, scope: !46) 124 !46 = distinct !DILexicalBlock(scope: !34, file: !1, line: 16, column: 6) 125 !47 = !DILocation(line: 16, column: 6, scope: !34) 126 !48 = !DILocation(line: 17, column: 3, scope: !49) 127 !49 = distinct !DILexicalBlock(scope: !46, file: !1, line: 16, column: 11) 128 !50 = !DILocation(line: 18, column: 3, scope: !49) 129 !51 = !DILocation(line: 21, column: 9, scope: !34) 130 !52 = !DILocation(line: 23, column: 6, scope: !34) 131 !53 = !DILocation(line: 24, column: 3, scope: !54) 132 !54 = distinct !DILexicalBlock(scope: !55, file: !1, line: 23, column: 11) 133 !55 = distinct !DILexicalBlock(scope: !34, file: !1, line: 23, column: 6) 134 !56 = !DILocation(line: 25, column: 3, scope: !54) 135 !57 = !DILocation(line: 28, column: 2, scope: !34) 136
