1 ; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump -v - | FileCheck %s
13 ; int foo(Outer outer) {
14 ; Inner i1 = outer.inner[1];
18 ; CHECK: DW_TAG_formal_parameter [3]
19 ; CHECK-NEXT: DW_AT_location [DW_FORM_data4] (
20 ; CHECK-NEXT: [0x0000000000000000, 0x0000000000000007): DW_OP_reg5 RDI, DW_OP_piece 0x8, DW_OP_piece 0x4, DW_OP_reg4 RSI, DW_OP_piece 0x4
21 ; CHECK-NEXT: [0x0000000000000007, 0x0000000000000009): DW_OP_reg5 RDI, DW_OP_piece 0x8
22 ; CHECK-NEXT: DW_AT_name {{.*}}"outer"
23 ; CHECK: DW_TAG_variable
24 ; CHECK-NEXT: DW_AT_location [DW_FORM_data4] (0x00000044
25 ; CHECK-NEXT: [0x0000000000000007, 0x0000000000000009): DW_OP_reg0 RAX, DW_OP_piece 0x4)
28 ; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-2.ll'
29 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
30 target triple = "x86_64-apple-macosx10.9.0"
32 ; Function Attrs: nounwind ssp uwtable
33 define i32 @foo(i64 %outer.coerce0, i64 %outer.coerce1) #0 !dbg !4 {
34 call void @llvm.dbg.value(metadata i64 %outer.coerce0, metadata !24, metadata !25), !dbg !26
35 call void @llvm.dbg.declare(metadata !{null}, metadata !27, metadata !28), !dbg !26
36 call void @llvm.dbg.value(metadata i64 %outer.coerce1, metadata !29, metadata !30), !dbg !26
37 call void @llvm.dbg.declare(metadata !{null}, metadata !31, metadata !32), !dbg !26
38 ; The 'trunc' generates no extra code, thus i1 is visible throughout its scope.
39 %outer.sroa.1.8.extract.trunc = trunc i64 %outer.coerce1 to i32, !dbg !33
40 call void @llvm.dbg.value(metadata i32 %outer.sroa.1.8.extract.trunc, metadata !34, metadata !35), !dbg !33
41 %outer.sroa.1.12.extract.shift = lshr i64 %outer.coerce1, 32, !dbg !33
42 %outer.sroa.1.12.extract.trunc = trunc i64 %outer.sroa.1.12.extract.shift to i32, !dbg !33
43 call void @llvm.dbg.value(metadata i64 %outer.sroa.1.12.extract.shift, metadata !34, metadata !37), !dbg !33
44 call void @llvm.dbg.value(metadata i32 %outer.sroa.1.12.extract.trunc, metadata !34, metadata !37), !dbg !33
45 call void @llvm.dbg.declare(metadata !{null}, metadata !34, metadata !35), !dbg !33
46 ret i32 %outer.sroa.1.8.extract.trunc, !dbg !36
49 ; Function Attrs: nounwind readnone
50 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
52 ; Function Attrs: nounwind
53 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #2
55 ; Function Attrs: nounwind readnone
56 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
58 attributes #0 = { nounwind ssp uwtable "frame-pointer"="all" }
59 attributes #1 = { nounwind readnone }
60 attributes #2 = { nounwind }
63 !llvm.module.flags = !{!21, !22}
66 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
67 !1 = !DIFile(filename: "sroasplit-2.c", directory: "")
69 !4 = distinct !DISubprogram(name: "foo", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 10, file: !1, scope: !5, type: !6, retainedNodes: !2)
70 !5 = !DIFile(filename: "sroasplit-2.c", directory: "")
71 !6 = !DISubroutineType(types: !7)
73 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
74 !9 = !DIDerivedType(tag: DW_TAG_typedef, name: "Outer", line: 8, file: !1, baseType: !10)
75 !10 = !DICompositeType(tag: DW_TAG_structure_type, line: 6, size: 128, align: 32, file: !1, elements: !11)
77 !12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 128, align: 32, file: !1, scope: !10, baseType: !13)
78 !13 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 32, baseType: !14, elements: !19)
79 !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "Inner", line: 4, file: !1, baseType: !15)
80 !15 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 64, align: 32, file: !1, elements: !16)
82 !17 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !15, baseType: !8)
83 !18 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 32, align: 32, offset: 32, file: !1, scope: !15, baseType: !8)
85 !20 = !DISubrange(count: 2)
86 !21 = !{i32 2, !"Dwarf Version", i32 2}
87 !22 = !{i32 1, !"Debug Info Version", i32 3}
88 !23 = !{!"clang version 3.5.0 "}
89 !24 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
90 !25 = !DIExpression(DW_OP_LLVM_fragment, 0, 64)
91 !26 = !DILocation(line: 10, scope: !4)
92 !27 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
93 !28 = !DIExpression(DW_OP_LLVM_fragment, 64, 64)
94 !29 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
95 !30 = !DIExpression(DW_OP_LLVM_fragment, 96, 32)
96 !31 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
97 !32 = !DIExpression(DW_OP_LLVM_fragment, 64, 32)
98 !33 = !DILocation(line: 11, scope: !4)
99 !34 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14)
100 !35 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
101 !36 = !DILocation(line: 12, scope: !4)
102 !37 = !DIExpression(DW_OP_LLVM_fragment, 32, 32)