1 ; RUN: opt -passes=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(ptr 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.p0.p0.i64(ptr nocapture writeonly, ptr 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
47 ; CHECK-NEXT: llvm.lifetime.start
48 ; CHECK-NEXT: call void @llvm.dbg.declare(metadata ptr %agg.tmp.sroa.3.i,
49 %agg.tmp.sroa.3 = alloca [20 x i8], align 4
50 tail call void @llvm.dbg.declare(metadata ptr %agg.tmp.sroa.3, metadata !25, metadata !30), !dbg !31
51 %agg.tmp.sroa.0.0.copyload = load i32, ptr @b, align 8, !dbg !33
52 tail call void @llvm.dbg.value(metadata i32 %agg.tmp.sroa.0.0.copyload, metadata !25, metadata !34), !dbg !31
53 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp.sroa.3, ptr align 4 getelementptr (i8, ptr @b, i64 4), i64 20, i1 false), !dbg !33
54 tail call void @llvm.dbg.declare(metadata ptr undef, metadata !25, metadata !35) #0, !dbg !31
55 %tobool.i = icmp eq i32 %agg.tmp.sroa.0.0.copyload, 0, !dbg !36
56 br i1 %tobool.i, label %_Z3fn31A.exit, label %if.then.i, !dbg !38
58 if.then.i: ; preds = %entry
59 store i32 %agg.tmp.sroa.0.0.copyload, ptr @a, align 8, !dbg !39
60 call void @llvm.memcpy.p0.p0.i64(ptr align 4 getelementptr (i8, ptr @a, i64 4), ptr align 4 %agg.tmp.sroa.3, i64 20, i1 false), !dbg !39
61 br label %_Z3fn31A.exit, !dbg !39
63 _Z3fn31A.exit: ; preds = %if.then.i, %entry
68 ; Function Attrs: noreturn nounwind
69 define void @_Z3fn5v() #3 !dbg !40 {
71 br label %while.body, !dbg !41
73 while.body: ; preds = %while.body, %entry
74 call void @_Z3fn4v(), !dbg !42
75 br label %while.body, !dbg !41
78 ; Function Attrs: nounwind readnone
79 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
81 attributes #0 = { nounwind }
82 attributes #1 = { nounwind readnone }
83 attributes #2 = { argmemonly nounwind }
84 attributes #3 = { noreturn nounwind }
87 !llvm.module.flags = !{!19, !20}
90 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
91 !1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)
92 !2 = !DIFile(filename: "test.cpp", directory: "")
93 !3 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !2, line: 1, size: 192, align: 64, elements: !4, identifier: "_ZTS1A")
95 !5 = !DIDerivedType(tag: DW_TAG_member, name: "arg0", scope: !3, file: !2, line: 2, baseType: !6, size: 32, align: 32)
96 !6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
97 !7 = !DIDerivedType(tag: DW_TAG_member, name: "arg1", scope: !3, file: !2, line: 3, baseType: !8, size: 128, align: 64, offset: 64)
98 !8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 128, align: 64, elements: !10)
99 !9 = !DIBasicType(name: "double", size: 64, align: 64, encoding: DW_ATE_float)
101 !11 = !DISubrange(count: 2)
102 !12 = !DIGlobalVariableExpression(var: !13, expr: !DIExpression())
103 !13 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)
104 !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)
105 !15 = !DIFile(filename: "<stdin>", directory: "")
109 !19 = !{i32 2, !"Dwarf Version", i32 4}
110 !20 = !{i32 2, !"Debug Info Version", i32 3}
111 !21 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"}
112 !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)
113 !23 = !DISubroutineType(types: !24)
115 !25 = !DILocalVariable(name: "p1", arg: 1, scope: !26, file: !2, line: 6, type: !3)
116 !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)
117 !27 = !DISubroutineType(types: !28)
120 !30 = !DIExpression(DW_OP_LLVM_fragment, 32, 160)
121 !31 = !DILocation(line: 6, scope: !26, inlinedAt: !32)
122 !32 = distinct !DILocation(line: 11, scope: !22)
123 !33 = !DILocation(line: 11, scope: !22)
124 !34 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
125 !35 = !DIExpression(DW_OP_deref)
126 !36 = !DILocation(line: 7, scope: !37, inlinedAt: !32)
127 !37 = distinct !DILexicalBlock(scope: !26, file: !2, line: 7)
128 !38 = !DILocation(line: 7, scope: !26, inlinedAt: !32)
129 !39 = !DILocation(line: 8, scope: !37, inlinedAt: !32)
130 !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)
131 !41 = !DILocation(line: 14, scope: !40)
132 !42 = !DILocation(line: 15, scope: !40)