1 ; RUN: opt -use-dbg-addr -sroa -S < %s | FileCheck %s 2 3 ; ModuleID = '<stdin>' 4 source_filename = "newvars.c" 5 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 6 target triple = "x86_64-pc-windows-msvc19.0.24215" 7 8 %struct.Pair = type { i32, i32 } 9 10 @pair = internal global %struct.Pair zeroinitializer 11 12 ; Function Attrs: nounwind uwtable 13 define void @if_else(i32 %cond, i32 %a, i32 %b) !dbg !8 { 14 entry: 15 %p = alloca %struct.Pair, align 4 16 %0 = bitcast %struct.Pair* %p to i8*, !dbg !25 17 call void @llvm.dbg.addr(metadata %struct.Pair* %p, metadata !20, metadata !DIExpression()), !dbg !26 18 %x = getelementptr inbounds %struct.Pair, %struct.Pair* %p, i32 0, i32 0, !dbg !27 19 store i32 %a, i32* %x, align 4, !dbg !28 20 %y = getelementptr inbounds %struct.Pair, %struct.Pair* %p, i32 0, i32 1, !dbg !34 21 store i32 %b, i32* %y, align 4, !dbg !35 22 %tobool = icmp ne i32 %cond, 0, !dbg !37 23 br i1 %tobool, label %if.then, label %if.else, !dbg !39 24 25 if.then: ; preds = %entry 26 %x1 = getelementptr inbounds %struct.Pair, %struct.Pair* %p, i32 0, i32 0, !dbg !40 27 store i32 0, i32* %x1, align 4, !dbg !42 28 %y2 = getelementptr inbounds %struct.Pair, %struct.Pair* %p, i32 0, i32 1, !dbg !43 29 store i32 %a, i32* %y2, align 4, !dbg !44 30 br label %if.end, !dbg !45 31 32 if.else: ; preds = %entry 33 %x3 = getelementptr inbounds %struct.Pair, %struct.Pair* %p, i32 0, i32 0, !dbg !46 34 store i32 %b, i32* %x3, align 4, !dbg !48 35 %y4 = getelementptr inbounds %struct.Pair, %struct.Pair* %p, i32 0, i32 1, !dbg !49 36 store i32 0, i32* %y4, align 4, !dbg !50 37 br label %if.end 38 39 if.end: ; preds = %if.else, %if.then 40 %1 = bitcast %struct.Pair* %p to i8*, !dbg !51 41 %2 = bitcast %struct.Pair* @pair to i8*, !dbg !51 42 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %2, i8* align 4 %1, i64 8, i1 false), !dbg !51 43 ret void 44 } 45 46 ; CHECK-LABEL: define void @if_else(i32 %cond, i32 %a, i32 %b) 47 ; CHECK: entry: 48 ; CHECK: call void @llvm.dbg.value(metadata i32 %a, metadata ![[PVAR:[0-9]+]], metadata ![[XFRAG:DIExpression\(DW_OP_LLVM_fragment, 0, 32\)]]) 49 ; CHECK: call void @llvm.dbg.value(metadata i32 %b, metadata ![[PVAR]], metadata ![[YFRAG:DIExpression\(DW_OP_LLVM_fragment, 32, 32\)]]) 50 ; CHECK: if.then: 51 ; CHECK: call void @llvm.dbg.value(metadata i32 0, metadata ![[PVAR]], metadata ![[XFRAG]]) 52 ; CHECK: call void @llvm.dbg.value(metadata i32 %a, metadata ![[PVAR]], metadata ![[YFRAG]]) 53 ; CHECK: if.else: 54 ; CHECK: call void @llvm.dbg.value(metadata i32 %b, metadata ![[PVAR]], metadata ![[XFRAG]]) 55 ; CHECK: call void @llvm.dbg.value(metadata i32 0, metadata ![[PVAR]], metadata ![[YFRAG]]) 56 ; CHECK: if.end: 57 ; CHECK: %p.sroa.4.0 = phi i32 [ %a, %if.then ], [ 0, %if.else ] 58 ; CHECK: %p.sroa.0.0 = phi i32 [ 0, %if.then ], [ %b, %if.else ] 59 ; CHECK: call void @llvm.dbg.value(metadata i32 %p.sroa.0.0, metadata ![[PVAR]], metadata ![[XFRAG]]) 60 ; CHECK: call void @llvm.dbg.value(metadata i32 %p.sroa.4.0, metadata ![[PVAR]], metadata ![[YFRAG]]) 61 62 ; CHECK: ![[PVAR]] = !DILocalVariable(name: "p", {{.*}}) 63 64 ; Function Attrs: argmemonly nounwind 65 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #2 66 67 ; Function Attrs: nounwind readnone speculatable 68 declare void @llvm.dbg.addr(metadata, metadata, metadata) 69 70 !llvm.dbg.cu = !{!0} 71 !llvm.module.flags = !{!3, !4, !5, !6} 72 !llvm.ident = !{!7} 73 74 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 75 !1 = !DIFile(filename: "newvars.c", directory: "C:\5Csrc\5Cllvm-project\5Cbuild") 76 !2 = !{} 77 !3 = !{i32 2, !"Dwarf Version", i32 4} 78 !4 = !{i32 2, !"Debug Info Version", i32 3} 79 !5 = !{i32 1, !"wchar_size", i32 2} 80 !6 = !{i32 7, !"PIC Level", i32 2} 81 !7 = !{!"clang version 6.0.0 "} 82 !8 = distinct !DISubprogram(name: "if_else", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !16) 83 !9 = !DISubroutineType(types: !10) 84 !10 = !{!11, !14, !14, !14} 85 !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Pair", file: !1, line: 1, size: 64, elements: !12) 86 !12 = !{!13, !15} 87 !13 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !11, file: !1, line: 1, baseType: !14, size: 32) 88 !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 89 !15 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !11, file: !1, line: 1, baseType: !14, size: 32, offset: 32) 90 !16 = !{!17, !18, !19, !20} 91 !17 = !DILocalVariable(name: "b", arg: 3, scope: !8, file: !1, line: 2, type: !14) 92 !18 = !DILocalVariable(name: "a", arg: 2, scope: !8, file: !1, line: 2, type: !14) 93 !19 = !DILocalVariable(name: "cond", arg: 1, scope: !8, file: !1, line: 2, type: !14) 94 !20 = !DILocalVariable(name: "p", scope: !8, file: !1, line: 3, type: !11) 95 !22 = !DILocation(line: 2, column: 42, scope: !8) 96 !23 = !DILocation(line: 2, column: 35, scope: !8) 97 !24 = !DILocation(line: 2, column: 25, scope: !8) 98 !25 = !DILocation(line: 3, column: 3, scope: !8) 99 !26 = !DILocation(line: 3, column: 15, scope: !8) 100 !27 = !DILocation(line: 4, column: 5, scope: !8) 101 !28 = !DILocation(line: 4, column: 7, scope: !8) 102 !29 = !{!30, !31, i64 0} 103 !30 = !{!"Pair", !31, i64 0, !31, i64 4} 104 !31 = !{!"int", !32, i64 0} 105 !32 = !{!"omnipotent char", !33, i64 0} 106 !33 = !{!"Simple C/C++ TBAA"} 107 !34 = !DILocation(line: 5, column: 5, scope: !8) 108 !35 = !DILocation(line: 5, column: 7, scope: !8) 109 !36 = !{!30, !31, i64 4} 110 !37 = !DILocation(line: 6, column: 7, scope: !38) 111 !38 = distinct !DILexicalBlock(scope: !8, file: !1, line: 6, column: 7) 112 !39 = !DILocation(line: 6, column: 7, scope: !8) 113 !40 = !DILocation(line: 7, column: 7, scope: !41) 114 !41 = distinct !DILexicalBlock(scope: !38, file: !1, line: 6, column: 13) 115 !42 = !DILocation(line: 7, column: 9, scope: !41) 116 !43 = !DILocation(line: 8, column: 7, scope: !41) 117 !44 = !DILocation(line: 8, column: 9, scope: !41) 118 !45 = !DILocation(line: 9, column: 3, scope: !41) 119 !46 = !DILocation(line: 10, column: 7, scope: !47) 120 !47 = distinct !DILexicalBlock(scope: !38, file: !1, line: 9, column: 10) 121 !48 = !DILocation(line: 10, column: 9, scope: !47) 122 !49 = !DILocation(line: 11, column: 7, scope: !47) 123 !50 = !DILocation(line: 11, column: 9, scope: !47) 124 !51 = !DILocation(line: 13, column: 10, scope: !8) 125 !52 = !{i64 0, i64 4, !53, i64 4, i64 4, !53} 126 !53 = !{!31, !31, i64 0} 127 !54 = !DILocation(line: 14, column: 1, scope: !8) 128
