1 ; RUN: llc -march=mips -mcpu=mips32r2 -O0 -filetype=obj -fast-isel=0 <%s | \
2 ; RUN: llvm-dwarfdump -v -all - | FileCheck %s
4 declare void @llvm.dbg.declare(metadata, metadata, metadata)
6 declare void @foo(i32*)
10 ; int f2(int a, int b) {
11 ; int c __attribute__((aligned(16))) = a + b;
16 ; int *f3(int a, int b) {
17 ; int c __attribute__((aligned(16))) = a + b;
23 ; CHECK: DW_TAG_subprogram
24 ; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_breg29 SP_64+36)
25 ; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000065] = "c")
27 ; Function Attrs: nounwind
28 define i32 @f2(i32 signext %a, i32 signext %b) !dbg !4 {
30 %a.addr = alloca i32, align 4
31 %b.addr = alloca i32, align 4
32 %c = alloca i32, align 16
33 store i32 %a, i32* %a.addr, align 4
34 call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !15, metadata !16), !dbg !17
35 store i32 %b, i32* %b.addr, align 4
36 call void @llvm.dbg.declare(metadata i32* %b.addr, metadata !18, metadata !16), !dbg !19
37 call void @llvm.dbg.declare(metadata i32* %c, metadata !20, metadata !16), !dbg !21
38 %0 = load i32, i32* %a.addr, align 4, !dbg !22
39 %1 = load i32, i32* %b.addr, align 4, !dbg !23
40 %add = add nsw i32 %0, %1, !dbg !24
41 store i32 %add, i32* %c, align 16, !dbg !21
42 call void @foo(i32* %c), !dbg !25
43 %2 = load i32, i32* %c, align 16, !dbg !26
47 ; CHECK: DW_TAG_subprogram
48 ; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_breg23 S7_64+32)
49 ; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000065] = "c")
51 define i32* @f3(i32 signext %a, i32 signext %b) !dbg !8 {
53 %a.addr = alloca i32, align 4
54 %b.addr = alloca i32, align 4
55 %c = alloca i32, align 16
56 %w = alloca i32*, align 4
57 store i32 %a, i32* %a.addr, align 4
58 call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !28, metadata !16), !dbg !29
59 store i32 %b, i32* %b.addr, align 4
60 call void @llvm.dbg.declare(metadata i32* %b.addr, metadata !30, metadata !16), !dbg !31
61 call void @llvm.dbg.declare(metadata i32* %c, metadata !32, metadata !16), !dbg !33
62 %0 = load i32, i32* %a.addr, align 4, !dbg !34
63 %1 = load i32, i32* %b.addr, align 4, !dbg !35
64 %add = add nsw i32 %0, %1, !dbg !36
65 store i32 %add, i32* %c, align 16, !dbg !33
66 call void @llvm.dbg.declare(metadata i32** %w, metadata !37, metadata !DIExpression(DW_OP_deref)), !dbg !38
67 %2 = load i32, i32* %c, align 16, !dbg !39
68 %3 = alloca i8, i32 %2, !dbg !40
69 %4 = bitcast i8* %3 to i32*, !dbg !40
70 store i32* %4, i32** %w, align 4, !dbg !38
71 call void @foo(i32* %c), !dbg !41
72 %5 = load i32*, i32** %w, align 4, !dbg !42
77 !llvm.module.flags = !{!12, !13}
80 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
81 !1 = !DIFile(filename: "test.c", directory: "/home/vk/repos/tmp/dwarf")
83 !4 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 20, type: !5, isLocal: false, isDefinition: true, scopeLine: 20, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
84 !5 = !DISubroutineType(types: !6)
86 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
87 !8 = distinct !DISubprogram(name: "f3", scope: !1, file: !1, line: 27, type: !9, isLocal: false, isDefinition: true, scopeLine: 27, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
88 !9 = !DISubroutineType(types: !10)
90 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 32, align: 32)
91 !12 = !{i32 2, !"Dwarf Version", i32 4}
92 !13 = !{i32 2, !"Debug Info Version", i32 3}
93 !14 = !{!"clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)"}
94 !15 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 20, type: !7)
96 !17 = !DILocation(line: 20, column: 12, scope: !4)
97 !18 = !DILocalVariable(name: "b", arg: 2, scope: !4, file: !1, line: 20, type: !7)
98 !19 = !DILocation(line: 20, column: 19, scope: !4)
99 !20 = !DILocalVariable(name: "c", scope: !4, file: !1, line: 21, type: !7)
100 !21 = !DILocation(line: 21, column: 7, scope: !4)
101 !22 = !DILocation(line: 21, column: 40, scope: !4)
102 !23 = !DILocation(line: 21, column: 44, scope: !4)
103 !24 = !DILocation(line: 21, column: 42, scope: !4)
104 !25 = !DILocation(line: 22, column: 3, scope: !4)
105 !26 = !DILocation(line: 23, column: 10, scope: !4)
106 !27 = !DILocation(line: 23, column: 3, scope: !4)
107 !28 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !1, line: 27, type: !7)
108 !29 = !DILocation(line: 27, column: 13, scope: !8)
109 !30 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !1, line: 27, type: !7)
110 !31 = !DILocation(line: 27, column: 20, scope: !8)
111 !32 = !DILocalVariable(name: "c", scope: !8, file: !1, line: 28, type: !7)
112 !33 = !DILocation(line: 28, column: 7, scope: !8)
113 !34 = !DILocation(line: 28, column: 40, scope: !8)
114 !35 = !DILocation(line: 28, column: 44, scope: !8)
115 !36 = !DILocation(line: 28, column: 42, scope: !8)
116 !37 = !DILocalVariable(name: "w", scope: !8, file: !1, line: 29, type: !11)
117 !38 = !DILocation(line: 29, column: 8, scope: !8)
118 !39 = !DILocation(line: 29, column: 19, scope: !8)
119 !40 = !DILocation(line: 29, column: 12, scope: !8)
120 !41 = !DILocation(line: 30, column: 3, scope: !8)
121 !42 = !DILocation(line: 31, column: 10, scope: !8)
122 !43 = !DILocation(line: 31, column: 3, scope: !8)