1 ; REQUIRES: object-emission
3 ; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=All < %s | llvm-dwarfdump -v -debug-info - | FileCheck -implicit-check-not=DW_TAG %s
4 ; RUN: %llc_dwarf -accel-tables=Apple -dwarf-linkage-names=All -O0 -filetype=obj < %s | llvm-dwarfdump -v - | FileCheck --check-prefix=CHECK-ACCEL --check-prefix=CHECK %s
7 ; $ clang++ a.cpp b.cpp -g -c -emit-llvm
8 ; $ llvm-link a.bc b.bc -o ab.bc
9 ; $ opt -inline ab.bc -o ab-opt.bc
17 ; int __attribute__((always_inline)) func(int x) {
21 ; Ensure that func inlined into main is described and references the abstract
22 ; definition in b.cpp's CU.
24 ; CHECK: DW_TAG_compile_unit
25 ; CHECK: DW_AT_name {{.*}} "a.cpp"
26 ; CHECK: DW_TAG_subprogram
27 ; CHECK: DW_AT_type [DW_FORM_ref_addr] (0x00000000[[INT:[a-f0-9]+]]
28 ; CHECK: 0x[[INLINED:[0-9a-f]*]]:{{.*}}DW_TAG_inlined_subroutine
29 ; CHECK: DW_AT_abstract_origin {{.*}}[[ABS_FUNC:........]] "_Z4funci"
30 ; CHECK: DW_TAG_formal_parameter
31 ; CHECK: DW_AT_abstract_origin {{.*}}[[ABS_VAR:........]] "x"
33 ; Check the abstract definition is in the 'b.cpp' CU and doesn't contain any
34 ; concrete information (address range or variable location)
35 ; CHECK: DW_TAG_compile_unit
36 ; CHECK: DW_AT_name {{.*}} "b.cpp"
37 ; CHECK: 0x[[ABS_FUNC]]: DW_TAG_subprogram
38 ; CHECK-NOT: DW_AT_low_pc
39 ; CHECK: 0x[[ABS_VAR]]: DW_TAG_formal_parameter
40 ; CHECK-NOT: DW_AT_location
41 ; CHECK: DW_AT_type [DW_FORM_ref4] {{.*}} {0x[[INT]]}
42 ; CHECK-NOT: DW_AT_location
44 ; CHECK: 0x[[INT]]: DW_TAG_base_type
45 ; CHECK: DW_AT_name {{.*}} "int"
47 ; Check the concrete out of line definition references the abstract and
48 ; provides the address range and variable location
49 ; CHECK: 0x[[FUNC:[0-9a-f]*]]{{.*}}DW_TAG_subprogram
51 ; CHECK: DW_AT_abstract_origin {{.*}} {0x[[ABS_FUNC]]} "_Z4funci"
52 ; CHECK: DW_TAG_formal_parameter
53 ; CHECK: DW_AT_location
54 ; CHECK: DW_AT_abstract_origin {{.*}} {0x[[ABS_VAR]]} "x"
56 ; Check that both the inline and the non out of line version of func are
57 ; correctly referenced in the accelerator table. Before r221837, the one
58 ; in the second compilation unit had a wrong offset
59 ; CHECK-ACCEL: .apple_names contents:
60 ; CHECK-ACCEL: String{{.*}}"func"
61 ; CHECK-ACCEL-NOT: String
62 ; CHECK-ACCEL: Atom[0]{{.*}}[[INLINED]]
63 ; CHECK-ACCEL-NOT: String
64 ; CHECK-ACCEL: Atom[0]{{.*}}[[FUNC]]
66 @i = external global i32
68 ; Function Attrs: uwtable
69 define i32 @main() #0 !dbg !4 {
71 %x.addr.i = alloca i32, align 4
72 %retval = alloca i32, align 4
73 store i32 0, i32* %retval
74 %0 = load i32, i32* @i, align 4, !dbg !19
75 %1 = bitcast i32* %x.addr.i to i8*
76 call void @llvm.lifetime.start(i64 4, i8* %1)
77 store i32 %0, i32* %x.addr.i, align 4
78 call void @llvm.dbg.declare(metadata i32* %x.addr.i, metadata !120, metadata !DIExpression()), !dbg !21
79 %2 = load i32, i32* %x.addr.i, align 4, !dbg !22
80 %mul.i = mul nsw i32 %2, 2, !dbg !22
81 %3 = bitcast i32* %x.addr.i to i8*, !dbg !22
82 call void @llvm.lifetime.end(i64 4, i8* %3), !dbg !22
83 ret i32 %mul.i, !dbg !19
86 ; Function Attrs: alwaysinline nounwind uwtable
87 define i32 @_Z4funci(i32 %x) #1 !dbg !12 {
89 %x.addr = alloca i32, align 4
90 store i32 %x, i32* %x.addr, align 4
91 call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !20, metadata !DIExpression()), !dbg !23
92 %0 = load i32, i32* %x.addr, align 4, !dbg !24
93 %mul = mul nsw i32 %0, 2, !dbg !24
94 ret i32 %mul, !dbg !24
97 ; Function Attrs: nounwind readnone
98 declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
100 ; Function Attrs: nounwind
101 declare void @llvm.lifetime.start(i64, i8* nocapture) #3
103 ; Function Attrs: nounwind
104 declare void @llvm.lifetime.end(i64, i8* nocapture) #3
106 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
107 attributes #1 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
108 attributes #2 = { nounwind readnone }
109 attributes #3 = { nounwind }
111 !llvm.dbg.cu = !{!0, !9}
112 !llvm.module.flags = !{!16, !17}
113 !llvm.ident = !{!18, !18}
115 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
116 !1 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo")
118 !4 = distinct !DISubprogram(name: "main", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2)
119 !5 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo")
120 !6 = !DISubroutineType(types: !7)
122 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
123 !9 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !10, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
124 !10 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo")
125 !12 = distinct !DISubprogram(name: "func", linkageName: "_Z4funci", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !9, scopeLine: 1, file: !10, scope: !13, type: !14, retainedNodes: !2)
126 !13 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo")
127 !14 = !DISubroutineType(types: !15)
129 !16 = !{i32 2, !"Dwarf Version", i32 4}
130 !17 = !{i32 2, !"Debug Info Version", i32 3}
131 !18 = !{!"clang version 3.5.0 "}
132 !19 = !DILocation(line: 4, scope: !4)
133 !20 = !DILocalVariable(name: "x", line: 1, arg: 1, scope: !12, file: !13, type: !8)
135 !120 = !DILocalVariable(name: "x", line: 1, arg: 1, scope: !12, file: !13, type: !8)
137 !21 = !DILocation(line: 1, scope: !12, inlinedAt: !19)
138 !22 = !DILocation(line: 2, scope: !12, inlinedAt: !19)
139 !23 = !DILocation(line: 1, scope: !12)
140 !24 = !DILocation(line: 2, scope: !12)