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