1 ; RUN: opt -inline -S < %s | FileCheck %s 2 ; struct A { 3 ; int arg0; 4 ; double arg1[2]; 5 ; } a, b; 6 ; 7 ; void fn3(A p1) { 8 ; if (p1.arg0) 9 ; a = p1; 10 ; } 11 ; 12 ; void fn4() { fn3(b); } 13 ; 14 ; void fn5() { 15 ; while (1) 16 ; fn4(); 17 ; } 18 ; ModuleID = 'test.cpp' 19 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 20 target triple = "aarch64-apple-darwin" 21 22 %struct.A = type { i32, [2 x double] } 23 24 @a = global %struct.A zeroinitializer, align 8 25 @b = global %struct.A zeroinitializer, align 8 26 27 ; Function Attrs: nounwind 28 declare void @_Z3fn31A(%struct.A* nocapture readonly %p1) #0 29 30 ; Function Attrs: nounwind readnone 31 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 32 33 ; Function Attrs: nounwind 34 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2 35 36 ; Function Attrs: nounwind 37 define void @_Z3fn4v() #0 { 38 entry: 39 ; Test that the dbg.declare is moved together with the alloca. 40 ; CHECK: define void @_Z3fn5v() 41 ; CHECK-NEXT: entry: 42 ; CHECK-NEXT: %agg.tmp.sroa.3.i = alloca [20 x i8], align 4 43 ; CHECK-NEXT: call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3.i, 44 %agg.tmp.sroa.3 = alloca [20 x i8], align 4 45 tail call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3, metadata !46, metadata !48), !dbg !49 46 %agg.tmp.sroa.0.0.copyload = load i32, i32* getelementptr inbounds (%struct.A, %struct.A* @b, i64 0, i32 0), align 8, !dbg !50 47 tail call void @llvm.dbg.value(metadata i32 %agg.tmp.sroa.0.0.copyload, i64 0, metadata !46, metadata !51), !dbg !49 48 %agg.tmp.sroa.3.0..sroa_idx = getelementptr inbounds [20 x i8], [20 x i8]* %agg.tmp.sroa.3, i64 0, i64 0, !dbg !50 49 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.3.0..sroa_idx, i8* getelementptr (i8, i8* bitcast (%struct.A* @b to i8*), i64 4), i64 20, i32 4, i1 false), !dbg !50 50 tail call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !46, metadata !31) #2, !dbg !49 51 %tobool.i = icmp eq i32 %agg.tmp.sroa.0.0.copyload, 0, !dbg !52 52 br i1 %tobool.i, label %_Z3fn31A.exit, label %if.then.i, !dbg !53 53 54 if.then.i: ; preds = %entry 55 store i32 %agg.tmp.sroa.0.0.copyload, i32* getelementptr inbounds (%struct.A, %struct.A* @a, i64 0, i32 0), align 8, !dbg !54 56 call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr (i8, i8* bitcast (%struct.A* @a to i8*), i64 4), i8* %agg.tmp.sroa.3.0..sroa_idx, i64 20, i32 4, i1 false), !dbg !54 57 br label %_Z3fn31A.exit, !dbg !54 58 59 _Z3fn31A.exit: ; preds = %entry, %if.then.i 60 ret void, !dbg !50 61 } 62 63 ; Function Attrs: noreturn nounwind 64 define void @_Z3fn5v() #3 { 65 entry: 66 br label %while.body, !dbg !55 67 68 while.body: ; preds = %entry, %while.body 69 call void @_Z3fn4v(), !dbg !56 70 br label %while.body, !dbg !55 71 } 72 73 ; Function Attrs: nounwind readnone 74 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 75 76 attributes #0 = { nounwind } 77 attributes #1 = { nounwind readnone } 78 attributes #2 = { nounwind } 79 attributes #3 = { noreturn nounwind } 80 81 !llvm.dbg.cu = !{!0} 82 !llvm.module.flags = !{!28, !29} 83 !llvm.ident = !{!30} 84 85 !0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !14, globals: !25, imports: !2) 86 !1 = !MDFile(filename: "<stdin>", directory: "") 87 !2 = !{} 88 !3 = !{!4} 89 !4 = !MDCompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, size: 192, align: 64, file: !5, elements: !6, identifier: "_ZTS1A") 90 !5 = !MDFile(filename: "test.cpp", directory: "") 91 !6 = !{!7, !9} 92 !7 = !MDDerivedType(tag: DW_TAG_member, name: "arg0", line: 2, size: 32, align: 32, file: !5, scope: !"_ZTS1A", baseType: !8) 93 !8 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 94 !9 = !MDDerivedType(tag: DW_TAG_member, name: "arg1", line: 3, size: 128, align: 64, offset: 64, file: !5, scope: !"_ZTS1A", baseType: !10) 95 !10 = !MDCompositeType(tag: DW_TAG_array_type, size: 128, align: 64, baseType: !11, elements: !12) 96 !11 = !MDBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float) 97 !12 = !{!13} 98 !13 = !MDSubrange(count: 2) 99 !14 = !{!15, !21, !24} 100 !15 = !MDSubprogram(name: "fn3", linkageName: "_Z3fn31A", line: 6, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !5, scope: !16, type: !17, function: void (%struct.A*)* @_Z3fn31A, variables: !19) 101 !16 = !MDFile(filename: "test.cpp", directory: "") 102 !17 = !MDSubroutineType(types: !18) 103 !18 = !{null, !"_ZTS1A"} 104 !19 = !{!20} 105 !20 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 6, arg: 1, scope: !15, file: !16, type: !"_ZTS1A") 106 !21 = !MDSubprogram(name: "fn4", linkageName: "_Z3fn4v", line: 11, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !5, scope: !16, type: !22, function: void ()* @_Z3fn4v, variables: !2) 107 !22 = !MDSubroutineType(types: !23) 108 !23 = !{null} 109 !24 = !MDSubprogram(name: "fn5", linkageName: "_Z3fn5v", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 13, file: !5, scope: !16, type: !22, function: void ()* @_Z3fn5v, variables: !2) 110 !25 = !{!26, !27} 111 !26 = !MDGlobalVariable(name: "a", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !"_ZTS1A", variable: %struct.A* @a) 112 !27 = !MDGlobalVariable(name: "b", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !"_ZTS1A", variable: %struct.A* @b) 113 !28 = !{i32 2, !"Dwarf Version", i32 4} 114 !29 = !{i32 2, !"Debug Info Version", i32 3} 115 !30 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"} 116 !31 = !MDExpression(DW_OP_deref) 117 !32 = !MDLocation(line: 6, scope: !15) 118 !33 = !MDLocation(line: 7, scope: !34) 119 !34 = distinct !MDLexicalBlock(line: 7, column: 0, file: !5, scope: !15) 120 !35 = !{!36, !37, i64 0} 121 !36 = !{!"_ZTS1A", !37, i64 0, !38, i64 8} 122 !37 = !{!"int", !38, i64 0} 123 !38 = !{!"omnipotent char", !39, i64 0} 124 !39 = !{!"Simple C/C++ TBAA"} 125 !40 = !MDLocation(line: 7, scope: !15) 126 !41 = !MDLocation(line: 8, scope: !34) 127 !42 = !{i64 0, i64 4, !43, i64 8, i64 16, !44} 128 !43 = !{!37, !37, i64 0} 129 !44 = !{!38, !38, i64 0} 130 !45 = !MDLocation(line: 9, scope: !15) 131 !46 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 6, arg: 1, scope: !15, file: !16, type: !"_ZTS1A") 132 !47 = distinct !MDLocation(line: 11, scope: !21) 133 !48 = !MDExpression(DW_OP_bit_piece, 32, 160) 134 !49 = !MDLocation(line: 6, scope: !15, inlinedAt: !47) 135 !50 = !MDLocation(line: 11, scope: !21) 136 !51 = !MDExpression(DW_OP_bit_piece, 0, 32) 137 !52 = !MDLocation(line: 7, scope: !34, inlinedAt: !47) 138 !53 = !MDLocation(line: 7, scope: !15, inlinedAt: !47) 139 !54 = !MDLocation(line: 8, scope: !34, inlinedAt: !47) 140 !55 = !MDLocation(line: 14, scope: !24) 141 !56 = !MDLocation(line: 15, scope: !24) 142
