1 ; RUN: opt -inline -S < %s | FileCheck %s
2 ; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
13 ; void fn4() { fn3(b); }
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"
24 %struct.A = type { i32, [2 x double] }
26 @a = global %struct.A zeroinitializer, align 8, !dbg !0
27 @b = global %struct.A zeroinitializer, align 8, !dbg !12
29 ; Function Attrs: nounwind
30 declare void @_Z3fn31A(%struct.A* nocapture readonly) #0
32 ; Function Attrs: nounwind readnone
33 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
35 ; Function Attrs: argmemonly nounwind
36 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #2
38 ; Function Attrs: nounwind
39 define void @_Z3fn4v() #0 !dbg !22 {
41 ; Test that the dbg.declare is moved together with the alloca.
42 ; CHECK: define void @_Z3fn5v()
44 ; CHECK-NEXT: %agg.tmp.sroa.3.i = alloca [20 x i8], align 4
45 ; CHECK-NEXT: br label %while.body
48 ; CHECK-NEXT: llvm.lifetime.start
49 ; CHECK-NEXT: call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3.i,
50 %agg.tmp.sroa.3 = alloca [20 x i8], align 4
51 tail call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3, metadata !25, metadata !30), !dbg !31
52 %agg.tmp.sroa.0.0.copyload = load i32, i32* getelementptr inbounds (%struct.A, %struct.A* @b, i64 0, i32 0), align 8, !dbg !33
53 tail call void @llvm.dbg.value(metadata i32 %agg.tmp.sroa.0.0.copyload, metadata !25, metadata !34), !dbg !31
54 %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
55 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
56 tail call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !25, metadata !35) #0, !dbg !31
57 %tobool.i = icmp eq i32 %agg.tmp.sroa.0.0.copyload, 0, !dbg !36
58 br i1 %tobool.i, label %_Z3fn31A.exit, label %if.then.i, !dbg !38
60 if.then.i: ; preds = %entry
61 store i32 %agg.tmp.sroa.0.0.copyload, i32* getelementptr inbounds (%struct.A, %struct.A* @a, i64 0, i32 0), align 8, !dbg !39
62 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
63 br label %_Z3fn31A.exit, !dbg !39
65 _Z3fn31A.exit: ; preds = %if.then.i, %entry
70 ; Function Attrs: noreturn nounwind
71 define void @_Z3fn5v() #3 !dbg !40 {
73 br label %while.body, !dbg !41
75 while.body: ; preds = %while.body, %entry
76 call void @_Z3fn4v(), !dbg !42
77 br label %while.body, !dbg !41
80 ; Function Attrs: nounwind readnone
81 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
83 attributes #0 = { nounwind }
84 attributes #1 = { nounwind readnone }
85 attributes #2 = { argmemonly nounwind }
86 attributes #3 = { noreturn nounwind }
89 !llvm.module.flags = !{!19, !20}
92 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
93 !1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)
94 !2 = !DIFile(filename: "test.cpp", directory: "")
95 !3 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !2, line: 1, size: 192, align: 64, elements: !4, identifier: "_ZTS1A")
97 !5 = !DIDerivedType(tag: DW_TAG_member, name: "arg0", scope: !3, file: !2, line: 2, baseType: !6, size: 32, align: 32)
98 !6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
99 !7 = !DIDerivedType(tag: DW_TAG_member, name: "arg1", scope: !3, file: !2, line: 3, baseType: !8, size: 128, align: 64, offset: 64)
100 !8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 128, align: 64, elements: !10)
101 !9 = !DIBasicType(name: "double", size: 64, align: 64, encoding: DW_ATE_float)
103 !11 = !DISubrange(count: 2)
104 !12 = !DIGlobalVariableExpression(var: !13, expr: !DIExpression())
105 !13 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)
106 !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)
107 !15 = !DIFile(filename: "<stdin>", directory: "")
111 !19 = !{i32 2, !"Dwarf Version", i32 4}
112 !20 = !{i32 2, !"Debug Info Version", i32 3}
113 !21 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"}
114 !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)
115 !23 = !DISubroutineType(types: !24)
117 !25 = !DILocalVariable(name: "p1", arg: 1, scope: !26, file: !2, line: 6, type: !3)
118 !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)
119 !27 = !DISubroutineType(types: !28)
122 !30 = !DIExpression(DW_OP_LLVM_fragment, 32, 160)
123 !31 = !DILocation(line: 6, scope: !26, inlinedAt: !32)
124 !32 = distinct !DILocation(line: 11, scope: !22)
125 !33 = !DILocation(line: 11, scope: !22)
126 !34 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
127 !35 = !DIExpression(DW_OP_deref)
128 !36 = !DILocation(line: 7, scope: !37, inlinedAt: !32)
129 !37 = distinct !DILexicalBlock(scope: !26, file: !2, line: 7)
130 !38 = !DILocation(line: 7, scope: !26, inlinedAt: !32)
131 !39 = !DILocation(line: 8, scope: !37, inlinedAt: !32)
132 !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)
133 !41 = !DILocation(line: 14, scope: !40)
134 !42 = !DILocation(line: 15, scope: !40)